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Foley Todd

Disclosed activity across 13 companies

Tapewire entity
2482
SEC CIK
0001473930

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Reported relationships

Latest disclosed role at each company.

CompanyLast reported asReport datePublished
Aktis Oncology, Inc.AKTS · Entity 4711Director · 10% ownerJanuary 12, 2026January 14, 2026
Dyne Therapeutics, Inc.DYN · Entity 394810% ownerSeptember 21, 2020September 23, 2020
Oncorus, Inc.ONCR · Entity 11221310% ownerOctober 06, 2020October 08, 2020
RHYTHM PHARMACEUTICALS, INC.RYTM · Entity 3693DirectorMarch 15, 2021March 16, 2021
Repare Therapeutics Inc.RPTX · Entity 68433DirectorJune 08, 2023June 12, 2023
TURMERIC ACQUISITION CORP.TMPM · Entity 139875PresidentOctober 15, 2020October 15, 2020
Werewolf Therapeutics, Inc.HOWL · Entity 724410% ownerMarch 27, 2025April 30, 2025

Disclosed balances

About these balances

Latest available filing per company, not a reconstructed current portfolio. Matching sequences show the last reported balance with all source rows expandable; grouping alone does not establish account ownership. Do not add unresolved positions together. Filings may omit unchanged positions, and amendments may correct only part of an older disclosure. Jointly reported shares are not necessarily this owner's personal holdings.

Aktis Oncology, Inc.

Report date January 12, 2026 · Filed January 14, 2026

Security / awardOwnership accountDisclosed shares / unitsDisclosure context
Common StockSEC Table I · non-derivativeIndirectSee Footnote597,391 Reported balance After 2026-01-12 transaction · row 1 Account identity is unresolved; indirect or unspecified ownership is not merged.
1 source row

Row 1 · 2026-01-12 · Conversion · Acquired 597,391 · Balance 597,391

F1: The shares of common stock were issued upon conversion as follows: 556,810 by MPM BioVentures 2018, L.P. ("BV 2018"), 29,593 by MPM BioVentures 2018 (B), L.P. ("BV 2018(B)") and 10,988 by MPM Asset Management Investors BV2018 LLC ("AM BV2018"). MPM BioVentures 2018 GP LLC and MPM BioVentures 2018 LLC ("BV2018 LLC") are the direct and indirect general partners of BV 2018 and BV 2018(B). BV 2018 LLC is the manager of AM BV2018. The Reporting Person is a managing director of BV 2018 LLC.

F2: Each share of Series Seed Redeemable Convertible Preferred Stock, Series A Redeemable Convertible Preferred Stock and Series B Redeemable Convertible Preferred Stock automatically converted into shares of the Issuer's Common Stock on a 3.8044-for-1 basis into the number of shares of Common Stock shown in Column 7 without payment of further consideration upon the closing of the initial public offering of the Issuer's Common Stock. The Series Seed Redeemable Convertible Preferred Stock, Series A Redeemable Convertible Preferred Stock and Series B Redeemable Convertible Preferred Stock had no expiration date.

F3: The Reporting Persons disclaim beneficial ownership of the securities except to the extent of his or its pecuniary interest therein.

F4: The shares are held as follows: 556,810 by BV 2018, 29,593 by BV 2018(B) and 10,988 by AM BV2018.

Common StockSEC Table I · non-derivativeIndirectSee Footnote3,285,661 Reported balance After 2026-01-12 transaction · row 2 Account identity is unresolved; indirect or unspecified ownership is not merged.
1 source row

Row 2 · 2026-01-12 · Conversion · Acquired 2,688,270 · Balance 3,285,661

F5: The shares of common stock were issued upon conversion as follows: 2,505,648 by BV 2018, 133,170 by BV 2018(B) and 49,452 by AM BV2018.

F2: Each share of Series Seed Redeemable Convertible Preferred Stock, Series A Redeemable Convertible Preferred Stock and Series B Redeemable Convertible Preferred Stock automatically converted into shares of the Issuer's Common Stock on a 3.8044-for-1 basis into the number of shares of Common Stock shown in Column 7 without payment of further consideration upon the closing of the initial public offering of the Issuer's Common Stock. The Series Seed Redeemable Convertible Preferred Stock, Series A Redeemable Convertible Preferred Stock and Series B Redeemable Convertible Preferred Stock had no expiration date.

F3: The Reporting Persons disclaim beneficial ownership of the securities except to the extent of his or its pecuniary interest therein.

F6: The shares are held as follows: 3,062,458 by BV 2018, 162,763 by BV 2018(B) and 60,440 by AM BV2018.

Common StockSEC Table I · non-derivativeIndirectSee Footnote4,002,533 Reported balance After 2026-01-12 transaction · row 3 Account identity is unresolved; indirect or unspecified ownership is not merged.
1 source row

Row 3 · 2026-01-12 · Conversion · Acquired 716,872 · Balance 4,002,533

F7: The shares of common stock were issued upon conversion as follows: 668,173 by BV 2018, 35,512 by BV 2018(B) and 13,187 by AM BV2018.

F2: Each share of Series Seed Redeemable Convertible Preferred Stock, Series A Redeemable Convertible Preferred Stock and Series B Redeemable Convertible Preferred Stock automatically converted into shares of the Issuer's Common Stock on a 3.8044-for-1 basis into the number of shares of Common Stock shown in Column 7 without payment of further consideration upon the closing of the initial public offering of the Issuer's Common Stock. The Series Seed Redeemable Convertible Preferred Stock, Series A Redeemable Convertible Preferred Stock and Series B Redeemable Convertible Preferred Stock had no expiration date.

F3: The Reporting Persons disclaim beneficial ownership of the securities except to the extent of his or its pecuniary interest therein.

F8: The shares are held as follows: 3,730,631 by BV 2018, 198,275 by BV 2018(B) and 73,627 by AM BV2018.

Common StockSEC Table I · non-derivativeIndirectSee Footnote4,235,403 Reported balance After 2026-01-12 transaction · row 4 Account identity is unresolved; indirect or unspecified ownership is not merged.
1 source row

Row 4 · 2026-01-12 · Purchase · Acquired 232,870 · Balance 4,235,403

F9: The shares were purchased as follows: 219,897 by BV 2018, 8,689 by BV 2018(B) and 4,284 by AM BV2018.

F3: The Reporting Persons disclaim beneficial ownership of the securities except to the extent of his or its pecuniary interest therein.

F10: The shares are held as follows: 3,950,528 by BV 2018, 206,964 by BV 2018(B) and 77,911 by AM BV2018.

Series Seed Redeemable Convertible Preferred StockSEC Table II · derivative / convertible securityIndirectSee Footnote0 Reported balance After 2026-01-12 transaction · row 5 Instrument identity requires review; Table II rows are not merged.
1 source row

Row 5 · 2026-01-12 · Conversion · Disposed 2,272,727 · Balance 0

F2: Each share of Series Seed Redeemable Convertible Preferred Stock, Series A Redeemable Convertible Preferred Stock and Series B Redeemable Convertible Preferred Stock automatically converted into shares of the Issuer's Common Stock on a 3.8044-for-1 basis into the number of shares of Common Stock shown in Column 7 without payment of further consideration upon the closing of the initial public offering of the Issuer's Common Stock. The Series Seed Redeemable Convertible Preferred Stock, Series A Redeemable Convertible Preferred Stock and Series B Redeemable Convertible Preferred Stock had no expiration date.

F1: The shares of common stock were issued upon conversion as follows: 556,810 by MPM BioVentures 2018, L.P. ("BV 2018"), 29,593 by MPM BioVentures 2018 (B), L.P. ("BV 2018(B)") and 10,988 by MPM Asset Management Investors BV2018 LLC ("AM BV2018"). MPM BioVentures 2018 GP LLC and MPM BioVentures 2018 LLC ("BV2018 LLC") are the direct and indirect general partners of BV 2018 and BV 2018(B). BV 2018 LLC is the manager of AM BV2018. The Reporting Person is a managing director of BV 2018 LLC.

F3: The Reporting Persons disclaim beneficial ownership of the securities except to the extent of his or its pecuniary interest therein.

Series A Redeemable Convertible Preferred StockSEC Table II · derivative / convertible securityIndirectSee Footnote0 Reported balance After 2026-01-12 transaction · row 6 Instrument identity requires review; Table II rows are not merged.
1 source row

Row 6 · 2026-01-12 · Conversion · Disposed 10,227,273 · Balance 0

F2: Each share of Series Seed Redeemable Convertible Preferred Stock, Series A Redeemable Convertible Preferred Stock and Series B Redeemable Convertible Preferred Stock automatically converted into shares of the Issuer's Common Stock on a 3.8044-for-1 basis into the number of shares of Common Stock shown in Column 7 without payment of further consideration upon the closing of the initial public offering of the Issuer's Common Stock. The Series Seed Redeemable Convertible Preferred Stock, Series A Redeemable Convertible Preferred Stock and Series B Redeemable Convertible Preferred Stock had no expiration date.

F3: The Reporting Persons disclaim beneficial ownership of the securities except to the extent of his or its pecuniary interest therein.

F5: The shares of common stock were issued upon conversion as follows: 2,505,648 by BV 2018, 133,170 by BV 2018(B) and 49,452 by AM BV2018.

Series B Redeemable Convertible Preferred StockSEC Table II · derivative / convertible securityIndirectSee Footnote0 Reported balance After 2026-01-12 transaction · row 7 Instrument identity requires review; Table II rows are not merged.
1 source row

Row 7 · 2026-01-12 · Conversion · Disposed 2,727,273 · Balance 0

F2: Each share of Series Seed Redeemable Convertible Preferred Stock, Series A Redeemable Convertible Preferred Stock and Series B Redeemable Convertible Preferred Stock automatically converted into shares of the Issuer's Common Stock on a 3.8044-for-1 basis into the number of shares of Common Stock shown in Column 7 without payment of further consideration upon the closing of the initial public offering of the Issuer's Common Stock. The Series Seed Redeemable Convertible Preferred Stock, Series A Redeemable Convertible Preferred Stock and Series B Redeemable Convertible Preferred Stock had no expiration date.

F3: The Reporting Persons disclaim beneficial ownership of the securities except to the extent of his or its pecuniary interest therein.

F7: The shares of common stock were issued upon conversion as follows: 668,173 by BV 2018, 35,512 by BV 2018(B) and 13,187 by AM BV2018.

Filing footnotes · ownership attribution and instrument terms

F1: The shares of common stock were issued upon conversion as follows: 556,810 by MPM BioVentures 2018, L.P. ("BV 2018"), 29,593 by MPM BioVentures 2018 (B), L.P. ("BV 2018(B)") and 10,988 by MPM Asset Management Investors BV2018 LLC ("AM BV2018"). MPM BioVentures 2018 GP LLC and MPM BioVentures 2018 LLC ("BV2018 LLC") are the direct and indirect general partners of BV 2018 and BV 2018(B). BV 2018 LLC is the manager of AM BV2018. The Reporting Person is a managing director of BV 2018 LLC.

F2: Each share of Series Seed Redeemable Convertible Preferred Stock, Series A Redeemable Convertible Preferred Stock and Series B Redeemable Convertible Preferred Stock automatically converted into shares of the Issuer's Common Stock on a 3.8044-for-1 basis into the number of shares of Common Stock shown in Column 7 without payment of further consideration upon the closing of the initial public offering of the Issuer's Common Stock. The Series Seed Redeemable Convertible Preferred Stock, Series A Redeemable Convertible Preferred Stock and Series B Redeemable Convertible Preferred Stock had no expiration date.

F3: The Reporting Persons disclaim beneficial ownership of the securities except to the extent of his or its pecuniary interest therein.

F4: The shares are held as follows: 556,810 by BV 2018, 29,593 by BV 2018(B) and 10,988 by AM BV2018.

F5: The shares of common stock were issued upon conversion as follows: 2,505,648 by BV 2018, 133,170 by BV 2018(B) and 49,452 by AM BV2018.

F6: The shares are held as follows: 3,062,458 by BV 2018, 162,763 by BV 2018(B) and 60,440 by AM BV2018.

F7: The shares of common stock were issued upon conversion as follows: 668,173 by BV 2018, 35,512 by BV 2018(B) and 13,187 by AM BV2018.

F8: The shares are held as follows: 3,730,631 by BV 2018, 198,275 by BV 2018(B) and 73,627 by AM BV2018.

F9: The shares were purchased as follows: 219,897 by BV 2018, 8,689 by BV 2018(B) and 4,284 by AM BV2018.

F10: The shares are held as follows: 3,950,528 by BV 2018, 206,964 by BV 2018(B) and 77,911 by AM BV2018.

Security / awardOwnership accountDisclosed shares / unitsDisclosure context
Common StockSEC Table I · non-derivativeIndirectSee footnote4,614,943 Reported balance After 2020-09-21 transaction · row 1 Joint disclosure: continuity of the reported position is unresolved; see ownership footnotes.
1 source row

Row 1 · 2020-09-21 · Conversion · Acquired 4,614,943 · Balance 4,614,943

F1: On September 21, 2020, the Series A Preferred Stock automatically converted into Common Stock on a 3.3169-for-one basis without payment of further consideration upon closing of the initial public offering of the Issuer's common stock. The shares had no expiration date.

F5: On September 21, 2020, the Series B Preferred Stock automatically converted into Common Stock on a 3.3169-for-one basis without payment of further consideration upon closing of the initial public offering of the Issuer's common stock. The shares had no expiration date.

F2: The shares are held directly by MPM BioVentures 2018, L.P. ("BV 2018"). The general partner of BV 2018 is MPM BioVentures 2018 GP LLC ("BV 2018 GP"). MPM BioVentures 2018 LLC ("BV 2018 LLC") is the managing member of BV 2018 GP. Edward Hurwitz, Luke Evnin, Ansbert Gadicke, and Todd Foley are the Managing Directors of BV 2018 LLC. Each of BV 2018 GP, BV 2018 LLC, Edward Hurwitz, Luke Evnin, Ansbert Gadicke, and Todd Foley disclaims Section 16 beneficial ownership of the securities held by BV 2018, except to the extent of its pecuniary interest therein, if any.

Common StockSEC Table I · non-derivativeIndirectSee footnote245,279 Reported balance After 2020-09-21 transaction · row 2 Joint disclosure: continuity of the reported position is unresolved; see ownership footnotes.
1 source row

Row 2 · 2020-09-21 · Conversion · Acquired 245,279 · Balance 245,279

F1: On September 21, 2020, the Series A Preferred Stock automatically converted into Common Stock on a 3.3169-for-one basis without payment of further consideration upon closing of the initial public offering of the Issuer's common stock. The shares had no expiration date.

F5: On September 21, 2020, the Series B Preferred Stock automatically converted into Common Stock on a 3.3169-for-one basis without payment of further consideration upon closing of the initial public offering of the Issuer's common stock. The shares had no expiration date.

F3: The shares are held directly by MPM BioVentures 2018 (B), L.P. ("BV 2018(B)"). The general partner of BV 2018(B) is BV 2018 GP. BV 2018 LLC is the managing member of BV 2018 GP. Edward Hurwitz, Luke Evnin, Ansbert Gadicke, and Todd Foley are the Managing Directors of BV 2018 LLC. Each of BV 2018 GP, BV 2018 LLC, Edward Hurwitz, Luke Evnin, Ansbert Gadicke, and Todd Foley disclaims Section 16 beneficial ownership of the securities held by BV 2018(B), except to the extent of its pecuniary interest therein, if any.

Common StockSEC Table I · non-derivativeIndirectSee footnote91,081 Reported balance After 2020-09-21 transaction · row 3 Joint disclosure: continuity of the reported position is unresolved; see ownership footnotes.
1 source row

Row 3 · 2020-09-21 · Conversion · Acquired 91,081 · Balance 91,081

F1: On September 21, 2020, the Series A Preferred Stock automatically converted into Common Stock on a 3.3169-for-one basis without payment of further consideration upon closing of the initial public offering of the Issuer's common stock. The shares had no expiration date.

F5: On September 21, 2020, the Series B Preferred Stock automatically converted into Common Stock on a 3.3169-for-one basis without payment of further consideration upon closing of the initial public offering of the Issuer's common stock. The shares had no expiration date.

F4: The shares are held directly by MPM Asset Management Investors BV2018 LLC ("MPM Asset Management"). The manager of MPM Asset Management is BV 2018 LLC. Edward Hurwitz, Luke Evnin, Ansbert Gadicke, and Todd Foley are the Managing Directors of BV2018 LLC. Each of BV 2018 LLC, Edward Hurwitz, Luke Evnin, Ansbert Gadicke, and Todd Foley disclaims Section 16 beneficial ownership of the securities held by MPM Asset Management, except to the extent of his pecuniary interest therein, if any.

Series A Preferred StockSEC Table II · derivative / convertible securityIndirectSee footnote0 Reported balance After 2020-09-21 transaction · row 4 Instrument identity requires review; Table II rows are not merged.
1 source row

Row 4 · 2020-09-21 · Conversion · Disposed 13,980,992 · Balance 0

F1: On September 21, 2020, the Series A Preferred Stock automatically converted into Common Stock on a 3.3169-for-one basis without payment of further consideration upon closing of the initial public offering of the Issuer's common stock. The shares had no expiration date.

F2: The shares are held directly by MPM BioVentures 2018, L.P. ("BV 2018"). The general partner of BV 2018 is MPM BioVentures 2018 GP LLC ("BV 2018 GP"). MPM BioVentures 2018 LLC ("BV 2018 LLC") is the managing member of BV 2018 GP. Edward Hurwitz, Luke Evnin, Ansbert Gadicke, and Todd Foley are the Managing Directors of BV 2018 LLC. Each of BV 2018 GP, BV 2018 LLC, Edward Hurwitz, Luke Evnin, Ansbert Gadicke, and Todd Foley disclaims Section 16 beneficial ownership of the securities held by BV 2018, except to the extent of its pecuniary interest therein, if any.

Series A Preferred StockSEC Table II · derivative / convertible securityIndirectSee footnote0 Reported balance After 2020-09-21 transaction · row 5 Instrument identity requires review; Table II rows are not merged.
1 source row

Row 5 · 2020-09-21 · Conversion · Disposed 743,076 · Balance 0

F1: On September 21, 2020, the Series A Preferred Stock automatically converted into Common Stock on a 3.3169-for-one basis without payment of further consideration upon closing of the initial public offering of the Issuer's common stock. The shares had no expiration date.

F3: The shares are held directly by MPM BioVentures 2018 (B), L.P. ("BV 2018(B)"). The general partner of BV 2018(B) is BV 2018 GP. BV 2018 LLC is the managing member of BV 2018 GP. Edward Hurwitz, Luke Evnin, Ansbert Gadicke, and Todd Foley are the Managing Directors of BV 2018 LLC. Each of BV 2018 GP, BV 2018 LLC, Edward Hurwitz, Luke Evnin, Ansbert Gadicke, and Todd Foley disclaims Section 16 beneficial ownership of the securities held by BV 2018(B), except to the extent of its pecuniary interest therein, if any.

Series A Preferred StockSEC Table II · derivative / convertible securityIndirectSee footnote0 Reported balance After 2020-09-21 transaction · row 6 Instrument identity requires review; Table II rows are not merged.
1 source row

Row 6 · 2020-09-21 · Conversion · Disposed 275,932 · Balance 0

F1: On September 21, 2020, the Series A Preferred Stock automatically converted into Common Stock on a 3.3169-for-one basis without payment of further consideration upon closing of the initial public offering of the Issuer's common stock. The shares had no expiration date.

F4: The shares are held directly by MPM Asset Management Investors BV2018 LLC ("MPM Asset Management"). The manager of MPM Asset Management is BV 2018 LLC. Edward Hurwitz, Luke Evnin, Ansbert Gadicke, and Todd Foley are the Managing Directors of BV2018 LLC. Each of BV 2018 LLC, Edward Hurwitz, Luke Evnin, Ansbert Gadicke, and Todd Foley disclaims Section 16 beneficial ownership of the securities held by MPM Asset Management, except to the extent of his pecuniary interest therein, if any.

Series B Preferred StockSEC Table II · derivative / convertible securityIndirectSee footnote0 Reported balance After 2020-09-21 transaction · row 7 Instrument identity requires review; Table II rows are not merged.
1 source row

Row 7 · 2020-09-21 · Conversion · Disposed 1,326,313 · Balance 0

F5: On September 21, 2020, the Series B Preferred Stock automatically converted into Common Stock on a 3.3169-for-one basis without payment of further consideration upon closing of the initial public offering of the Issuer's common stock. The shares had no expiration date.

F2: The shares are held directly by MPM BioVentures 2018, L.P. ("BV 2018"). The general partner of BV 2018 is MPM BioVentures 2018 GP LLC ("BV 2018 GP"). MPM BioVentures 2018 LLC ("BV 2018 LLC") is the managing member of BV 2018 GP. Edward Hurwitz, Luke Evnin, Ansbert Gadicke, and Todd Foley are the Managing Directors of BV 2018 LLC. Each of BV 2018 GP, BV 2018 LLC, Edward Hurwitz, Luke Evnin, Ansbert Gadicke, and Todd Foley disclaims Section 16 beneficial ownership of the securities held by BV 2018, except to the extent of its pecuniary interest therein, if any.

Series B Preferred StockSEC Table II · derivative / convertible securityIndirectSee footnote0 Reported balance After 2020-09-21 transaction · row 8 Instrument identity requires review; Table II rows are not merged.
1 source row

Row 8 · 2020-09-21 · Conversion · Disposed 70,492 · Balance 0

F5: On September 21, 2020, the Series B Preferred Stock automatically converted into Common Stock on a 3.3169-for-one basis without payment of further consideration upon closing of the initial public offering of the Issuer's common stock. The shares had no expiration date.

F3: The shares are held directly by MPM BioVentures 2018 (B), L.P. ("BV 2018(B)"). The general partner of BV 2018(B) is BV 2018 GP. BV 2018 LLC is the managing member of BV 2018 GP. Edward Hurwitz, Luke Evnin, Ansbert Gadicke, and Todd Foley are the Managing Directors of BV 2018 LLC. Each of BV 2018 GP, BV 2018 LLC, Edward Hurwitz, Luke Evnin, Ansbert Gadicke, and Todd Foley disclaims Section 16 beneficial ownership of the securities held by BV 2018(B), except to the extent of its pecuniary interest therein, if any.

Series B Preferred StockSEC Table II · derivative / convertible securityIndirectSee footnote0 Reported balance After 2020-09-21 transaction · row 9 Instrument identity requires review; Table II rows are not merged.
1 source row

Row 9 · 2020-09-21 · Conversion · Disposed 26,176 · Balance 0

F5: On September 21, 2020, the Series B Preferred Stock automatically converted into Common Stock on a 3.3169-for-one basis without payment of further consideration upon closing of the initial public offering of the Issuer's common stock. The shares had no expiration date.

F4: The shares are held directly by MPM Asset Management Investors BV2018 LLC ("MPM Asset Management"). The manager of MPM Asset Management is BV 2018 LLC. Edward Hurwitz, Luke Evnin, Ansbert Gadicke, and Todd Foley are the Managing Directors of BV2018 LLC. Each of BV 2018 LLC, Edward Hurwitz, Luke Evnin, Ansbert Gadicke, and Todd Foley disclaims Section 16 beneficial ownership of the securities held by MPM Asset Management, except to the extent of his pecuniary interest therein, if any.

Filing footnotes · ownership attribution and instrument terms

F1: On September 21, 2020, the Series A Preferred Stock automatically converted into Common Stock on a 3.3169-for-one basis without payment of further consideration upon closing of the initial public offering of the Issuer's common stock. The shares had no expiration date.

F2: The shares are held directly by MPM BioVentures 2018, L.P. ("BV 2018"). The general partner of BV 2018 is MPM BioVentures 2018 GP LLC ("BV 2018 GP"). MPM BioVentures 2018 LLC ("BV 2018 LLC") is the managing member of BV 2018 GP. Edward Hurwitz, Luke Evnin, Ansbert Gadicke, and Todd Foley are the Managing Directors of BV 2018 LLC. Each of BV 2018 GP, BV 2018 LLC, Edward Hurwitz, Luke Evnin, Ansbert Gadicke, and Todd Foley disclaims Section 16 beneficial ownership of the securities held by BV 2018, except to the extent of its pecuniary interest therein, if any.

F3: The shares are held directly by MPM BioVentures 2018 (B), L.P. ("BV 2018(B)"). The general partner of BV 2018(B) is BV 2018 GP. BV 2018 LLC is the managing member of BV 2018 GP. Edward Hurwitz, Luke Evnin, Ansbert Gadicke, and Todd Foley are the Managing Directors of BV 2018 LLC. Each of BV 2018 GP, BV 2018 LLC, Edward Hurwitz, Luke Evnin, Ansbert Gadicke, and Todd Foley disclaims Section 16 beneficial ownership of the securities held by BV 2018(B), except to the extent of its pecuniary interest therein, if any.

F4: The shares are held directly by MPM Asset Management Investors BV2018 LLC ("MPM Asset Management"). The manager of MPM Asset Management is BV 2018 LLC. Edward Hurwitz, Luke Evnin, Ansbert Gadicke, and Todd Foley are the Managing Directors of BV2018 LLC. Each of BV 2018 LLC, Edward Hurwitz, Luke Evnin, Ansbert Gadicke, and Todd Foley disclaims Section 16 beneficial ownership of the securities held by MPM Asset Management, except to the extent of his pecuniary interest therein, if any.

F5: On September 21, 2020, the Series B Preferred Stock automatically converted into Common Stock on a 3.3169-for-one basis without payment of further consideration upon closing of the initial public offering of the Issuer's common stock. The shares had no expiration date.

Security / awardOwnership accountDisclosed shares / unitsDisclosure context
Common StockSEC Table I · non-derivativeIndirectSee footnote1,899,702 Reported balance After 2020-10-06 transaction · row 1 Joint disclosure: continuity of the reported position is unresolved; see ownership footnotes.
1 source row

Row 1 · 2020-10-06 · Conversion · Acquired 1,783,879 · Balance 1,899,702

F1: Each share of Series A-1 Preferred and Series B Preferred Stock automatically converted into shares of Common Stock upon the closing of the Issuer's initial public offering for no additional consideration, on a one-for-one basis, and had no expiration date.

F2: Each Reporting Person disclaims beneficial ownership of the securities except to the extent of his or its pecuniary interest therein.

F3: The shares are held as follows: 1,382,943 by MPM BioVentures 2014, L.P. ("BV 2014"), 92,239 by MPM BioVentures 2014(B), L.P. ("BV 2014(B)"), 50,164 by MPM Asset Management Investors BV2014 LLC ("AM BV2014"), 224,924 by MPM Sunstates Fund, L.P. ("MPM SunStates"), 33,609 by MPM Asset Management Investors Sunstates Fund LLC ("AM SunStates") and 115,823 by MPM Asset Management LLC ("AM LLC"). MPM BioVentures 2014 GP LLC and MPM BioVentures 2014 LLC ("BV LLC") are the direct and indirect general partners of BV 2014 and BV 2014(B). BV LLC is the manager of AM BV2014. MPM SunStates Fund GP LLC and MPM SunStates GP Managing Member LLC ("SunStates GP") are the direct and indirect general partners of MPM SunStates. SunStates GP is the manager of AM SunStates. Luke Evnin, Ansbert Gadicke and Todd Foley are the managing directors of BV LLC, Luke Evnin and Anbsert Gadicke are the members of AM LLC and Ansbert Gadicke is a member of SunStates GP.

Common StockSEC Table I · non-derivativeIndirectSee footnote2,675,677 Reported balance After 2020-10-06 transaction · row 2 Joint disclosure: continuity of the reported position is unresolved; see ownership footnotes.
1 source row

Row 2 · 2020-10-06 · Conversion · Acquired 775,975 · Balance 2,675,677

F1: Each share of Series A-1 Preferred and Series B Preferred Stock automatically converted into shares of Common Stock upon the closing of the Issuer's initial public offering for no additional consideration, on a one-for-one basis, and had no expiration date.

F2: Each Reporting Person disclaims beneficial ownership of the securities except to the extent of his or its pecuniary interest therein.

F4: The shares are held as follows: 2,018,001 by BV 2014, 134,595 by BV 2014(B), 73,199 by AM BV2014, 290,632 by MPM SunStates, 43,427 by AM SunStates and 115,823 by AM LLC.

Common StockSEC Table I · non-derivativeIndirectSee footnote2,849,453 Reported balance After 2020-10-06 transaction · row 3 Joint disclosure: continuity of the reported position is unresolved; see ownership footnotes.
1 source row

Row 3 · 2020-10-06 · Purchase · Acquired 173,776 · Balance 2,849,453

F2: Each Reporting Person disclaims beneficial ownership of the securities except to the extent of his or its pecuniary interest therein.

F5: The shares are held as follows: 2,155,108 by BV 2014, 143,740 by BV 2014(B), 78,172 by AM BV2014, 310,251 by MPM SunStates, 46,359 by AM SunStates and 115,823 by AM LLC.

Series A-1 Preferred StockSEC Table II · derivative / convertible securityIndirectSee footnote0 Reported balance After 2020-10-06 transaction · row 4 Instrument identity requires review; Table II rows are not merged.
1 source row

Row 4 · 2020-10-06 · Conversion · Disposed 1,783,879 · Balance 0

F1: Each share of Series A-1 Preferred and Series B Preferred Stock automatically converted into shares of Common Stock upon the closing of the Issuer's initial public offering for no additional consideration, on a one-for-one basis, and had no expiration date.

F2: Each Reporting Person disclaims beneficial ownership of the securities except to the extent of his or its pecuniary interest therein.

F6: The shares are held as follows: 1,382,943 by BV 2014, 92,239 by BV 2014(B), 50,164 by AM BV2014, 224,924 by MPM SunStates and 33,609 by AM SunStates.

Series B Preferred StockSEC Table II · derivative / convertible securityIndirectSee footnote0 Reported balance After 2020-10-06 transaction · row 5 Instrument identity requires review; Table II rows are not merged.
1 source row

Row 5 · 2020-10-06 · Conversion · Disposed 775,975 · Balance 0

F1: Each share of Series A-1 Preferred and Series B Preferred Stock automatically converted into shares of Common Stock upon the closing of the Issuer's initial public offering for no additional consideration, on a one-for-one basis, and had no expiration date.

F2: Each Reporting Person disclaims beneficial ownership of the securities except to the extent of his or its pecuniary interest therein.

F7: The shares are held as follows: 635,058 by BV 2014, 42,356 by BV 2014(B), 23,035 by AM BV2014, 65,708 by MPM SunStates and 9,818 by AM SunStates.

Filing footnotes · ownership attribution and instrument terms

F1: Each share of Series A-1 Preferred and Series B Preferred Stock automatically converted into shares of Common Stock upon the closing of the Issuer's initial public offering for no additional consideration, on a one-for-one basis, and had no expiration date.

F2: Each Reporting Person disclaims beneficial ownership of the securities except to the extent of his or its pecuniary interest therein.

F3: The shares are held as follows: 1,382,943 by MPM BioVentures 2014, L.P. ("BV 2014"), 92,239 by MPM BioVentures 2014(B), L.P. ("BV 2014(B)"), 50,164 by MPM Asset Management Investors BV2014 LLC ("AM BV2014"), 224,924 by MPM Sunstates Fund, L.P. ("MPM SunStates"), 33,609 by MPM Asset Management Investors Sunstates Fund LLC ("AM SunStates") and 115,823 by MPM Asset Management LLC ("AM LLC"). MPM BioVentures 2014 GP LLC and MPM BioVentures 2014 LLC ("BV LLC") are the direct and indirect general partners of BV 2014 and BV 2014(B). BV LLC is the manager of AM BV2014. MPM SunStates Fund GP LLC and MPM SunStates GP Managing Member LLC ("SunStates GP") are the direct and indirect general partners of MPM SunStates. SunStates GP is the manager of AM SunStates. Luke Evnin, Ansbert Gadicke and Todd Foley are the managing directors of BV LLC, Luke Evnin and Anbsert Gadicke are the members of AM LLC and Ansbert Gadicke is a member of SunStates GP.

F4: The shares are held as follows: 2,018,001 by BV 2014, 134,595 by BV 2014(B), 73,199 by AM BV2014, 290,632 by MPM SunStates, 43,427 by AM SunStates and 115,823 by AM LLC.

F5: The shares are held as follows: 2,155,108 by BV 2014, 143,740 by BV 2014(B), 78,172 by AM BV2014, 310,251 by MPM SunStates, 46,359 by AM SunStates and 115,823 by AM LLC.

F6: The shares are held as follows: 1,382,943 by BV 2014, 92,239 by BV 2014(B), 50,164 by AM BV2014, 224,924 by MPM SunStates and 33,609 by AM SunStates.

F7: The shares are held as follows: 635,058 by BV 2014, 42,356 by BV 2014(B), 23,035 by AM BV2014, 65,708 by MPM SunStates and 9,818 by AM SunStates.

RHYTHM PHARMACEUTICALS, INC.

Report date March 15, 2021 · Filed March 16, 2021

Security / awardOwnership accountDisclosed shares / unitsDisclosure context
Common StockSEC Table I · non-derivativeIndirectSee Footnote909,258 Reported balance After 2021-03-15 transaction · row 1 Account identity is unresolved; indirect or unspecified ownership is not merged.
1 source row

Row 1 · 2021-03-15 · Sale · Disposed 1,000,000 · Balance 909,258

F1: The shares were sold as follows: 962,604 by MPM BioVentures V, L.P. ("BV V") and 37,396 by MPM Asset Management Investors BV5 LLC ("AM BV5"). MPM BioVentures V GP LLC and MPM BioVentures V LLC ("BV LLC") are the direct and indirect general partners of BV V and BV LLC is the manager of AM BV5. The Reporting Person is a member of BV LLC. The Reporting Person disclaims beneficial ownership of the securities except to the extent of his pecuniary interest therein.

F2: Shares are held as follows: 875,256 by BV V and 34,002 by AM BV5. The Reporting Person disclaims beneficial ownership of the securities except to the extent of his pecuniary interest therein.

Filing footnotes · ownership attribution and instrument terms

F1: The shares were sold as follows: 962,604 by MPM BioVentures V, L.P. ("BV V") and 37,396 by MPM Asset Management Investors BV5 LLC ("AM BV5"). MPM BioVentures V GP LLC and MPM BioVentures V LLC ("BV LLC") are the direct and indirect general partners of BV V and BV LLC is the manager of AM BV5. The Reporting Person is a member of BV LLC. The Reporting Person disclaims beneficial ownership of the securities except to the extent of his pecuniary interest therein.

F2: Shares are held as follows: 875,256 by BV V and 34,002 by AM BV5. The Reporting Person disclaims beneficial ownership of the securities except to the extent of his pecuniary interest therein.

Repare Therapeutics Inc.

Report date June 08, 2023 · Filed June 12, 2023

Security / awardOwnership accountDisclosed shares / unitsDisclosure context
Stock Option (right to buy)SEC Table II · derivative / convertible security · Conversion / exercise price $11.66 · Expires 2033-06-07Direct27,200 Reported balance After 2023-06-08 transaction · row 1 Instrument identity requires review; Table II rows are not merged.
1 source row

Row 1 · 2023-06-08 · Grant · Acquired 27,200 · Balance 27,200

F1: The option will vest in equal monthly installments over twelve (12) months from the date of grant, subject to Reporting Person continuing to provide service through each such date.

Filing footnotes · ownership attribution and instrument terms

F1: The option will vest in equal monthly installments over twelve (12) months from the date of grant, subject to Reporting Person continuing to provide service through each such date.

TURMERIC ACQUISITION CORP.

Report date October 15, 2020 · Filed October 15, 2020

This filing explicitly reported no securities owned.

Security / awardOwnership accountDisclosed shares / unitsDisclosure context
Common StockSEC Table I · non-derivativeIndirectSee Footnote3,210,756 Reported balance After 2025-03-27 transaction · row 1 Joint disclosure: continuity of the reported position is unresolved; see ownership footnotes.
1 source row

Row 1 · 2025-03-27 · Other · Acquired 22,758 · Balance 3,210,756

F1: On March 27, 2025, the Reporting Persons exercised warrants to purchase an aggregate of 22,758 shares of the Company's Common Stock for $0.09 per share. The Reporting Persons paid the exercise price on a cashless basis, resulting in the Company's withholding of 1,963 of the warrant shares to pay the exercise price and issuing the remaining 20,795 shares.

F2: The shares are held as follows: 2,915,905 by MPM BioVentures 2014, L.P. ("BV 2014"), 194,486 by MPM BioVentures 2014(B), L.P. ("BV 2014(B)") and 100,365 by MPM Asset Management Investors BV2014 LLC ("AM BV2014"). MPM BioVentures 2014 GP LLC and MPM BioVentures 2014 LLC ("BV LLC") are the direct and indirect general partners of BV 2014 and BV 2014(B). BV LLC is the manager of AM BV2014.Todd Foley is a Managing Director of BV LLC. Each Reporting Person disclaims beneficial ownership of the securities except to the extent of his or its pecuniary interest therein.

Common StockSEC Table I · non-derivativeIndirectSee Footnote3,208,793 Reported balance After 2025-03-27 transaction · row 2 Joint disclosure: continuity of the reported position is unresolved; see ownership footnotes.
1 source row

Row 2 · 2025-03-27 · Sale · Disposed 1,963 · Balance 3,208,793

F1: On March 27, 2025, the Reporting Persons exercised warrants to purchase an aggregate of 22,758 shares of the Company's Common Stock for $0.09 per share. The Reporting Persons paid the exercise price on a cashless basis, resulting in the Company's withholding of 1,963 of the warrant shares to pay the exercise price and issuing the remaining 20,795 shares.

F3: The shares are held as follows: 2,914,123 by BV 2014, 194,367 by MPM 2014(B) and 100,303 by AM BV2014. Each Reporting Person disclaims beneficial ownership of the securities except to the extent of his or its pecuniary interest therein.

Warrant (Right to Buy)SEC Table II · derivative / convertible security · Conversion / exercise price $0.09 · Expires 2025-04-09IndirectSee Footnote0 Reported balance After 2025-03-27 transaction · row 3 Instrument identity requires review; Table II rows are not merged.
1 source row

Row 3 · 2025-03-27 · Other · Disposed 4,015 · Balance 0

F1: On March 27, 2025, the Reporting Persons exercised warrants to purchase an aggregate of 22,758 shares of the Company's Common Stock for $0.09 per share. The Reporting Persons paid the exercise price on a cashless basis, resulting in the Company's withholding of 1,963 of the warrant shares to pay the exercise price and issuing the remaining 20,795 shares.

F4: Immediately exercisable.

F5: The warrants were held as follows: 3,647 by BV 2014, 243 by BV 2014(B) and 125 by AM BV 2014.

Warrant (Right to Buy)SEC Table II · derivative / convertible security · Conversion / exercise price $0.09 · Expires 2025-08-13IndirectSee Footnote0 Reported balance After 2025-03-27 transaction · row 4 Instrument identity requires review; Table II rows are not merged.
1 source row

Row 4 · 2025-03-27 · Other · Disposed 18,743 · Balance 0

F1: On March 27, 2025, the Reporting Persons exercised warrants to purchase an aggregate of 22,758 shares of the Company's Common Stock for $0.09 per share. The Reporting Persons paid the exercise price on a cashless basis, resulting in the Company's withholding of 1,963 of the warrant shares to pay the exercise price and issuing the remaining 20,795 shares.

F4: Immediately exercisable.

F6: The warrants were held as follows: 17,023 by BV 2014, 1,135 by BV 2014(B) and 585 by AM BV 2014.

Filing footnotes · ownership attribution and instrument terms

F1: On March 27, 2025, the Reporting Persons exercised warrants to purchase an aggregate of 22,758 shares of the Company's Common Stock for $0.09 per share. The Reporting Persons paid the exercise price on a cashless basis, resulting in the Company's withholding of 1,963 of the warrant shares to pay the exercise price and issuing the remaining 20,795 shares.

F2: The shares are held as follows: 2,915,905 by MPM BioVentures 2014, L.P. ("BV 2014"), 194,486 by MPM BioVentures 2014(B), L.P. ("BV 2014(B)") and 100,365 by MPM Asset Management Investors BV2014 LLC ("AM BV2014"). MPM BioVentures 2014 GP LLC and MPM BioVentures 2014 LLC ("BV LLC") are the direct and indirect general partners of BV 2014 and BV 2014(B). BV LLC is the manager of AM BV2014.Todd Foley is a Managing Director of BV LLC. Each Reporting Person disclaims beneficial ownership of the securities except to the extent of his or its pecuniary interest therein.

F3: The shares are held as follows: 2,914,123 by BV 2014, 194,367 by MPM 2014(B) and 100,303 by AM BV2014. Each Reporting Person disclaims beneficial ownership of the securities except to the extent of his or its pecuniary interest therein.

F4: Immediately exercisable.

F5: The warrants were held as follows: 3,647 by BV 2014, 243 by BV 2014(B) and 125 by AM BV 2014.

F6: The warrants were held as follows: 17,023 by BV 2014, 1,135 by BV 2014(B) and 585 by AM BV 2014.

Past disclosures · reporting ended (6)

No longer tracked through insider filings. These historical balances do not imply present ownership or a zero position.

CHIASMA, INC

Report date August 05, 2021 · Filed August 05, 2021

Section 16 reporting ended · disclosed 2021-08-05. Current position is not established by this disclosure.

Security / awardOwnership accountDisclosed shares / unitsDisclosure context
Stock Option (Right to Buy)SEC Table II · derivative / convertible security · Conversion / exercise price $3.14Direct0 Reported balance After 2021-08-05 transaction · row 1 Instrument identity requires review; Table II rows are not merged.
1 source row

Row 1 · 2021-08-05 · Disposition to issuer · Disposed 10,000 · Balance 0

F1: This Form 4 reports securities disposed of pursuant to the terms of the Agreement and Plan of Merger (the "Merger Agreement") dated as of May 4, 2021, by and among Chiasma, Inc. (the "Company), Amryt Pharma plc ("Parent"), and Acorn Merger Sub, Inc., an indirect wholly-owned subsidiary of Parent ("Merger Sub") pursuant to which Merger Sub merged with and into the Company (the "Merger") with the Company surviving as an indirect wholly owned subsidiary of Parent effective as of August [5], 2021 (the "Effective Time").

F2: At the Effective Time, each option to purchase Shares (each, a "Company Option") that was outstanding and unexercised, immediately prior to the Effective Time, whether or not vested shall, by virtue of the Merger Agreement, ceased to represent a right to acquire Shares, was assumed by Parent and automatically converted into the option to purchase Parent ADSs (each an "Assumed Stock Option") shall be equal to (i) the number of Shares subject to each Company Option immediately prior to the Effective Time multiplied by (ii) the Exchange Ratio, rounded down, if necessary, to the nearest whole number of Parent ADSs, and such Assumed Stock Option shall have an exercise price per Parent ADS (rounded up to the nearest cent) equal to (a) the exercise price per Share otherwise purchasable pursuant to such Company Option divided by (b) the Exchange Ratio.

Stock Option (Right to Buy)SEC Table II · derivative / convertible security · Conversion / exercise price $1.35Direct0 Reported balance After 2021-08-05 transaction · row 2 Instrument identity requires review; Table II rows are not merged.
1 source row

Row 2 · 2021-08-05 · Disposition to issuer · Disposed 13,000 · Balance 0

F1: This Form 4 reports securities disposed of pursuant to the terms of the Agreement and Plan of Merger (the "Merger Agreement") dated as of May 4, 2021, by and among Chiasma, Inc. (the "Company), Amryt Pharma plc ("Parent"), and Acorn Merger Sub, Inc., an indirect wholly-owned subsidiary of Parent ("Merger Sub") pursuant to which Merger Sub merged with and into the Company (the "Merger") with the Company surviving as an indirect wholly owned subsidiary of Parent effective as of August [5], 2021 (the "Effective Time").

F2: At the Effective Time, each option to purchase Shares (each, a "Company Option") that was outstanding and unexercised, immediately prior to the Effective Time, whether or not vested shall, by virtue of the Merger Agreement, ceased to represent a right to acquire Shares, was assumed by Parent and automatically converted into the option to purchase Parent ADSs (each an "Assumed Stock Option") shall be equal to (i) the number of Shares subject to each Company Option immediately prior to the Effective Time multiplied by (ii) the Exchange Ratio, rounded down, if necessary, to the nearest whole number of Parent ADSs, and such Assumed Stock Option shall have an exercise price per Parent ADS (rounded up to the nearest cent) equal to (a) the exercise price per Share otherwise purchasable pursuant to such Company Option divided by (b) the Exchange Ratio.

Stock Option (Right to Buy)SEC Table II · derivative / convertible security · Conversion / exercise price $1.45Direct0 Reported balance After 2021-08-05 transaction · row 3 Instrument identity requires review; Table II rows are not merged.
1 source row

Row 3 · 2021-08-05 · Disposition to issuer · Disposed 13,000 · Balance 0

F1: This Form 4 reports securities disposed of pursuant to the terms of the Agreement and Plan of Merger (the "Merger Agreement") dated as of May 4, 2021, by and among Chiasma, Inc. (the "Company), Amryt Pharma plc ("Parent"), and Acorn Merger Sub, Inc., an indirect wholly-owned subsidiary of Parent ("Merger Sub") pursuant to which Merger Sub merged with and into the Company (the "Merger") with the Company surviving as an indirect wholly owned subsidiary of Parent effective as of August [5], 2021 (the "Effective Time").

F2: At the Effective Time, each option to purchase Shares (each, a "Company Option") that was outstanding and unexercised, immediately prior to the Effective Time, whether or not vested shall, by virtue of the Merger Agreement, ceased to represent a right to acquire Shares, was assumed by Parent and automatically converted into the option to purchase Parent ADSs (each an "Assumed Stock Option") shall be equal to (i) the number of Shares subject to each Company Option immediately prior to the Effective Time multiplied by (ii) the Exchange Ratio, rounded down, if necessary, to the nearest whole number of Parent ADSs, and such Assumed Stock Option shall have an exercise price per Parent ADS (rounded up to the nearest cent) equal to (a) the exercise price per Share otherwise purchasable pursuant to such Company Option divided by (b) the Exchange Ratio.

Stock Option (Right to Buy)SEC Table II · derivative / convertible security · Conversion / exercise price $7.98Direct0 Reported balance After 2021-08-05 transaction · row 4 Instrument identity requires review; Table II rows are not merged.
1 source row

Row 4 · 2021-08-05 · Disposition to issuer · Disposed 13,000 · Balance 0

F1: This Form 4 reports securities disposed of pursuant to the terms of the Agreement and Plan of Merger (the "Merger Agreement") dated as of May 4, 2021, by and among Chiasma, Inc. (the "Company), Amryt Pharma plc ("Parent"), and Acorn Merger Sub, Inc., an indirect wholly-owned subsidiary of Parent ("Merger Sub") pursuant to which Merger Sub merged with and into the Company (the "Merger") with the Company surviving as an indirect wholly owned subsidiary of Parent effective as of August [5], 2021 (the "Effective Time").

F2: At the Effective Time, each option to purchase Shares (each, a "Company Option") that was outstanding and unexercised, immediately prior to the Effective Time, whether or not vested shall, by virtue of the Merger Agreement, ceased to represent a right to acquire Shares, was assumed by Parent and automatically converted into the option to purchase Parent ADSs (each an "Assumed Stock Option") shall be equal to (i) the number of Shares subject to each Company Option immediately prior to the Effective Time multiplied by (ii) the Exchange Ratio, rounded down, if necessary, to the nearest whole number of Parent ADSs, and such Assumed Stock Option shall have an exercise price per Parent ADS (rounded up to the nearest cent) equal to (a) the exercise price per Share otherwise purchasable pursuant to such Company Option divided by (b) the Exchange Ratio.

Stock Option (Right to Buy)SEC Table II · derivative / convertible security · Conversion / exercise price $5.81Direct0 Reported balance After 2021-08-05 transaction · row 5 Instrument identity requires review; Table II rows are not merged.
1 source row

Row 5 · 2021-08-05 · Disposition to issuer · Disposed 13,000 · Balance 0

F1: This Form 4 reports securities disposed of pursuant to the terms of the Agreement and Plan of Merger (the "Merger Agreement") dated as of May 4, 2021, by and among Chiasma, Inc. (the "Company), Amryt Pharma plc ("Parent"), and Acorn Merger Sub, Inc., an indirect wholly-owned subsidiary of Parent ("Merger Sub") pursuant to which Merger Sub merged with and into the Company (the "Merger") with the Company surviving as an indirect wholly owned subsidiary of Parent effective as of August [5], 2021 (the "Effective Time").

F2: At the Effective Time, each option to purchase Shares (each, a "Company Option") that was outstanding and unexercised, immediately prior to the Effective Time, whether or not vested shall, by virtue of the Merger Agreement, ceased to represent a right to acquire Shares, was assumed by Parent and automatically converted into the option to purchase Parent ADSs (each an "Assumed Stock Option") shall be equal to (i) the number of Shares subject to each Company Option immediately prior to the Effective Time multiplied by (ii) the Exchange Ratio, rounded down, if necessary, to the nearest whole number of Parent ADSs, and such Assumed Stock Option shall have an exercise price per Parent ADS (rounded up to the nearest cent) equal to (a) the exercise price per Share otherwise purchasable pursuant to such Company Option divided by (b) the Exchange Ratio.

Filing footnotes · ownership attribution and instrument terms

F1: This Form 4 reports securities disposed of pursuant to the terms of the Agreement and Plan of Merger (the "Merger Agreement") dated as of May 4, 2021, by and among Chiasma, Inc. (the "Company), Amryt Pharma plc ("Parent"), and Acorn Merger Sub, Inc., an indirect wholly-owned subsidiary of Parent ("Merger Sub") pursuant to which Merger Sub merged with and into the Company (the "Merger") with the Company surviving as an indirect wholly owned subsidiary of Parent effective as of August [5], 2021 (the "Effective Time").

F2: At the Effective Time, each option to purchase Shares (each, a "Company Option") that was outstanding and unexercised, immediately prior to the Effective Time, whether or not vested shall, by virtue of the Merger Agreement, ceased to represent a right to acquire Shares, was assumed by Parent and automatically converted into the option to purchase Parent ADSs (each an "Assumed Stock Option") shall be equal to (i) the number of Shares subject to each Company Option immediately prior to the Effective Time multiplied by (ii) the Exchange Ratio, rounded down, if necessary, to the nearest whole number of Parent ADSs, and such Assumed Stock Option shall have an exercise price per Parent ADS (rounded up to the nearest cent) equal to (a) the exercise price per Share otherwise purchasable pursuant to such Company Option divided by (b) the Exchange Ratio.

Section 16 reporting ended · disclosed 2026-09-09. Current position is not established by this disclosure.

Security / awardOwnership accountDisclosed shares / unitsDisclosure context
Common StockSEC Table I · non-derivativeIndirectSee Footnote4,106,452 Reported balance After 2026-09-04 transaction · row 1 Joint disclosure: continuity of the reported position is unresolved; see ownership footnotes.
1 source row

Row 1 · 2026-09-04 · Sale · Disposed 38,500 · Balance 4,106,452

F1: The shares were sold as follows: 17,482 by MPM BioVentures 2014, L.P. ("BV 2014"), 1,166 by MPM BioVentures 2014(B), L.P. ("BV 2014(B)"), 602 by MPM Asset Management Investors BV2014 LLC ("AM BV2014"), 17,942 by MPM BioVentures 2018, L.P. ("BV 2018"), 954 by MPM BioVentures 2018 (B), L.P. ("BV 2018(B)") and 354 by MPM Asset Management Investors BV2018 LLC ("AM BV2018"). MPM BioVentures 2014 GP LLC and MPM BioVentures 2014 LLC ("BV2014 LLC") are the direct and indirect general partners of BV 2014 and BV 2014(B). BV2014 LLC is the manager of AM BV2014. MPM BioVentures 2018 GP LLC and MPM BioVentures 2018 LLC ("BV2018 LLC") are the direct and indirect general partners of BV 2018 and BV 2018(B). BV 2018 LLC is the manager of AM BV2018. Messrs. Evnin, Foley and Gadicke are managing directors of BV 2014 LLC and BV 2018 LLC.

F2: Price represents the weighted average sale price of the shares sold. The sale price ranged from $7.01 to $7.16 per share. Upon request by the Commission staff, the Issuer, or a security holder of the Issuer, the Reporting Person will provide full information regarding the number of shares sold at each separate price within the range set forth in this Form 4.

F3: The shares are held as follows: 1,864,673 by BV 2014, 124,370 by BV 2014(B), 64,182 by AM BV2014, 1,913,743 by BV 2018, 101,714 by BV 2018(B) and 37,770 by AM BV2018.

F4: Each Reporting Person disclaims beneficial ownership of the securities except to the extent of his or its respective pecuniary interest therein.

Common StockSEC Table I · non-derivativeIndirectSee Footnote3,913,952 Reported balance After 2026-09-08 transaction · row 2 Joint disclosure: continuity of the reported position is unresolved; see ownership footnotes.
1 source row

Row 2 · 2026-09-08 · Sale · Disposed 192,500 · Balance 3,913,952

F5: The shares were sold as follows: 87,411 by BV 2014, 5,830 by BV 2014(B), 3,009 by AM BV2014, 89,712 by BV 2018, 4,768 by BV 2018(B) and 1,770 by AM BV2018.

F6: Price represents the weighted average sale price of the shares sold. The sale price ranged from $6.97 to $7.70 per share. Upon request by the Commission staff, the Issuer, or a security holder of the Issuer, the Reporting Person will provide full information regarding the number of shares sold at each separate price within the range set forth in this Form 4.

F4: Each Reporting Person disclaims beneficial ownership of the securities except to the extent of his or its respective pecuniary interest therein.

F7: The shares are held as follows: 1,777,262 by BV 2014, 118,540 by BV 2014(B), 61,173 by AM BV2014, 1,824,031 by BV 2018, 96,946 by BV 2018(B) and 36,000 by AM BV2018.

Common StockSEC Table I · non-derivativeIndirectSee Footnote3,885,115 Reported balance After 2026-09-09 transaction · row 3 Joint disclosure: continuity of the reported position is unresolved; see ownership footnotes.
1 source row

Row 3 · 2026-09-09 · Sale · Disposed 28,837 · Balance 3,885,115

F8: The shares were sold as follows: 13,095 by BV 2014, 873 by BV 2014(B), 451 by AM BV2014, 13,439 by BV 2018, 714 by BV 2018(B) and 265 by AM BV2018.

F9: Price represents the weighted average sale price of the shares sold. The sale price ranged from $7.02 to $7.54 per share. Upon request by the Commission staff, the Issuer, or a security holder of the Issuer, the Reporting Person will provide full information regarding the number of shares sold at each separate price within the range set forth in this Form 4.

F4: Each Reporting Person disclaims beneficial ownership of the securities except to the extent of his or its respective pecuniary interest therein.

F10: The shares are held as follows: 1,764,167 by BV 2014, 117,667 by BV 2014(B), 60,722 by AM BV2014, 1,810,592 by BV 2018, 96,232 by BV 2018(B) and 35,735 by AM BV2018.

Filing footnotes · ownership attribution and instrument terms

F1: The shares were sold as follows: 17,482 by MPM BioVentures 2014, L.P. ("BV 2014"), 1,166 by MPM BioVentures 2014(B), L.P. ("BV 2014(B)"), 602 by MPM Asset Management Investors BV2014 LLC ("AM BV2014"), 17,942 by MPM BioVentures 2018, L.P. ("BV 2018"), 954 by MPM BioVentures 2018 (B), L.P. ("BV 2018(B)") and 354 by MPM Asset Management Investors BV2018 LLC ("AM BV2018"). MPM BioVentures 2014 GP LLC and MPM BioVentures 2014 LLC ("BV2014 LLC") are the direct and indirect general partners of BV 2014 and BV 2014(B). BV2014 LLC is the manager of AM BV2014. MPM BioVentures 2018 GP LLC and MPM BioVentures 2018 LLC ("BV2018 LLC") are the direct and indirect general partners of BV 2018 and BV 2018(B). BV 2018 LLC is the manager of AM BV2018. Messrs. Evnin, Foley and Gadicke are managing directors of BV 2014 LLC and BV 2018 LLC.

F2: Price represents the weighted average sale price of the shares sold. The sale price ranged from $7.01 to $7.16 per share. Upon request by the Commission staff, the Issuer, or a security holder of the Issuer, the Reporting Person will provide full information regarding the number of shares sold at each separate price within the range set forth in this Form 4.

F3: The shares are held as follows: 1,864,673 by BV 2014, 124,370 by BV 2014(B), 64,182 by AM BV2014, 1,913,743 by BV 2018, 101,714 by BV 2018(B) and 37,770 by AM BV2018.

F4: Each Reporting Person disclaims beneficial ownership of the securities except to the extent of his or its respective pecuniary interest therein.

F5: The shares were sold as follows: 87,411 by BV 2014, 5,830 by BV 2014(B), 3,009 by AM BV2014, 89,712 by BV 2018, 4,768 by BV 2018(B) and 1,770 by AM BV2018.

F6: Price represents the weighted average sale price of the shares sold. The sale price ranged from $6.97 to $7.70 per share. Upon request by the Commission staff, the Issuer, or a security holder of the Issuer, the Reporting Person will provide full information regarding the number of shares sold at each separate price within the range set forth in this Form 4.

F7: The shares are held as follows: 1,777,262 by BV 2014, 118,540 by BV 2014(B), 61,173 by AM BV2014, 1,824,031 by BV 2018, 96,946 by BV 2018(B) and 36,000 by AM BV2018.

F8: The shares were sold as follows: 13,095 by BV 2014, 873 by BV 2014(B), 451 by AM BV2014, 13,439 by BV 2018, 714 by BV 2018(B) and 265 by AM BV2018.

F9: Price represents the weighted average sale price of the shares sold. The sale price ranged from $7.02 to $7.54 per share. Upon request by the Commission staff, the Issuer, or a security holder of the Issuer, the Reporting Person will provide full information regarding the number of shares sold at each separate price within the range set forth in this Form 4.

F10: The shares are held as follows: 1,764,167 by BV 2014, 117,667 by BV 2014(B), 60,722 by AM BV2014, 1,810,592 by BV 2018, 96,232 by BV 2018(B) and 35,735 by AM BV2018.

Section 16 reporting ended · disclosed 2021-04-16. Current position is not established by this disclosure.

Security / awardOwnership accountDisclosed shares / unitsDisclosure context
Common StockSEC Table I · non-derivativeIndirectSee Footnote3,223,853 Reported balance After 2021-04-13 transaction · row 1 Joint disclosure: continuity of the reported position is unresolved; see ownership footnotes.
1 source row

Row 1 · 2021-04-13 · Sale · Disposed 1,657 · Balance 3,223,853

F1: Transaction effected pursuant to a plan established pursuant to Rule 10b5-1 on 3/16/2021.

F2: The shares were sold by MPM Asset Management LLC ("AM LLC").

F3: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $18.98 to $19.88 inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.

F4: The shares are held as follows: 2,657,097 by MPM BioVentures 2014, L.P. ("BV 2014"), 152,470 by MPM BioVentures 2014(B), L.P. ("BV 2014(B)"), 96,376 by MPM Asset Management Investors BV2014 LLC ("AM BV2014") and 317,910 by AM LLC. MPM BioVentures 2014 GP LLC and MPM BioVentures 2014 LLC ("BV LLC") are the direct and indirect general partners of BV 2014 and BV 2014(B). BV LLC is the manager of AM BV2014. Messrs. Evnin and Foley are the members of BV LLC and Mr. Evnin is a member of AM LLC. Each Reporting Person disclaims beneficial ownership of the securities except to the extent of his or its pecuniary interest therein.

Common StockSEC Table I · non-derivativeIndirectSee Footnote3,223,567 Reported balance After 2021-04-13 transaction · row 2 Joint disclosure: continuity of the reported position is unresolved; see ownership footnotes.
1 source row

Row 2 · 2021-04-13 · Sale · Disposed 286 · Balance 3,223,567

F1: Transaction effected pursuant to a plan established pursuant to Rule 10b5-1 on 3/16/2021.

F2: The shares were sold by MPM Asset Management LLC ("AM LLC").

F5: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $19.89 to $20.50 inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.

F6: The shares are held as follows: 2,657,097 by BV 2014, 152,470 by BV 2014(B), 96,376 by AM BV2014 and 317,624 by AM LLC. Each Reporting Person disclaims beneficial ownership of the securities except to the extent of his or its pecuniary interest therein.

Common StockSEC Table I · non-derivativeIndirectSee Footnote3,223,446 Reported balance After 2021-04-14 transaction · row 3 Joint disclosure: continuity of the reported position is unresolved; see ownership footnotes.
1 source row

Row 3 · 2021-04-14 · Sale · Disposed 121 · Balance 3,223,446

F1: Transaction effected pursuant to a plan established pursuant to Rule 10b5-1 on 3/16/2021.

F2: The shares were sold by MPM Asset Management LLC ("AM LLC").

F7: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $19.44 to $20.39 inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.

F8: The shares are held as follows: 2,657,097 by BV 2014, 152,470 by BV 2014(B), 96,376 by AM BV2014 and 317,503 by AM LLC. Each Reporting Person disclaims beneficial ownership of the securities except to the extent of his or its pecuniary interest therein.

Common StockSEC Table I · non-derivativeIndirectSee Footnote3,221,896 Reported balance After 2021-04-14 transaction · row 4 Joint disclosure: continuity of the reported position is unresolved; see ownership footnotes.
1 source row

Row 4 · 2021-04-14 · Sale · Disposed 1,550 · Balance 3,221,896

F1: Transaction effected pursuant to a plan established pursuant to Rule 10b5-1 on 3/16/2021.

F2: The shares were sold by MPM Asset Management LLC ("AM LLC").

F9: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $20.52 to $21.18 inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.

F10: The shares are held as follows: 2,657,097 by BV 2014, 152,470 by BV 2014(B), 96,376 by AM BV2014 and 315,953 by AM LLC. Each Reporting Person disclaims beneficial ownership of the securities except to the extent of his or its pecuniary interest therein.

Common StockSEC Table I · non-derivativeIndirectSee Footnote3,220,844 Reported balance After 2021-04-15 transaction · row 5 Joint disclosure: continuity of the reported position is unresolved; see ownership footnotes.
1 source row

Row 5 · 2021-04-15 · Sale · Disposed 1,052 · Balance 3,220,844

F1: Transaction effected pursuant to a plan established pursuant to Rule 10b5-1 on 3/16/2021.

F2: The shares were sold by MPM Asset Management LLC ("AM LLC").

F11: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $20.15 to $20.99 inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.

F12: The shares are held as follows: 2,657,097 by BV 2014, 152,470 by BV 2014(B), 96,376 by AM BV2014 and 314,901 by AM LLC. Each Reporting Person disclaims beneficial ownership of the securities except to the extent of his or its pecuniary interest therein.

Filing footnotes · ownership attribution and instrument terms

F1: Transaction effected pursuant to a plan established pursuant to Rule 10b5-1 on 3/16/2021.

F2: The shares were sold by MPM Asset Management LLC ("AM LLC").

F3: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $18.98 to $19.88 inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.

F4: The shares are held as follows: 2,657,097 by MPM BioVentures 2014, L.P. ("BV 2014"), 152,470 by MPM BioVentures 2014(B), L.P. ("BV 2014(B)"), 96,376 by MPM Asset Management Investors BV2014 LLC ("AM BV2014") and 317,910 by AM LLC. MPM BioVentures 2014 GP LLC and MPM BioVentures 2014 LLC ("BV LLC") are the direct and indirect general partners of BV 2014 and BV 2014(B). BV LLC is the manager of AM BV2014. Messrs. Evnin and Foley are the members of BV LLC and Mr. Evnin is a member of AM LLC. Each Reporting Person disclaims beneficial ownership of the securities except to the extent of his or its pecuniary interest therein.

F5: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $19.89 to $20.50 inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.

F6: The shares are held as follows: 2,657,097 by BV 2014, 152,470 by BV 2014(B), 96,376 by AM BV2014 and 317,624 by AM LLC. Each Reporting Person disclaims beneficial ownership of the securities except to the extent of his or its pecuniary interest therein.

F7: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $19.44 to $20.39 inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.

F8: The shares are held as follows: 2,657,097 by BV 2014, 152,470 by BV 2014(B), 96,376 by AM BV2014 and 317,503 by AM LLC. Each Reporting Person disclaims beneficial ownership of the securities except to the extent of his or its pecuniary interest therein.

F9: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $20.52 to $21.18 inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.

F10: The shares are held as follows: 2,657,097 by BV 2014, 152,470 by BV 2014(B), 96,376 by AM BV2014 and 315,953 by AM LLC. Each Reporting Person disclaims beneficial ownership of the securities except to the extent of his or its pecuniary interest therein.

F11: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $20.15 to $20.99 inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.

F12: The shares are held as follows: 2,657,097 by BV 2014, 152,470 by BV 2014(B), 96,376 by AM BV2014 and 314,901 by AM LLC. Each Reporting Person disclaims beneficial ownership of the securities except to the extent of his or its pecuniary interest therein.

Section 16 reporting ended · disclosed 2016-09-29. Current position is not established by this disclosure.

Security / awardOwnership accountDisclosed shares / unitsDisclosure context
Common StockSEC Table I · non-derivativeIndirectSee footnote1,427,698 Reported balance After 2016-09-27 transaction · row 1 Joint disclosure: continuity of the reported position is unresolved; see ownership footnotes.
1 source row

Row 1 · 2016-09-27 · Other · Disposed 713,849 · Balance 1,427,698

F1: Represents a pro-rata in-kind distribution of Common Stock of the Issuer by MPM Bio IV NVS Strategic Fund, L.P. ("MPM NVS"), without consideration to its limited partners.

F2: The shares are held by MPM NVS.

F3: MPM BioVentures IV GP LLC ("BV IV GP LLC") and MPM BioVentures IV LLC ("BV IV LLC") are the direct and indirect general partners of MPM NVS. Luke Evnin, Ansbert Gadicke, Todd Foley, Vaughn M. Kailian and James Paul Scopa are the members of BV IV LLC. Each reporting person disclaims beneficial ownership of the securities reported herein except to the extent of his or its respective pecuniary interest therein.

Filing footnotes · ownership attribution and instrument terms

F1: Represents a pro-rata in-kind distribution of Common Stock of the Issuer by MPM Bio IV NVS Strategic Fund, L.P. ("MPM NVS"), without consideration to its limited partners.

F2: The shares are held by MPM NVS.

F3: MPM BioVentures IV GP LLC ("BV IV GP LLC") and MPM BioVentures IV LLC ("BV IV LLC") are the direct and indirect general partners of MPM NVS. Luke Evnin, Ansbert Gadicke, Todd Foley, Vaughn M. Kailian and James Paul Scopa are the members of BV IV LLC. Each reporting person disclaims beneficial ownership of the securities reported herein except to the extent of his or its respective pecuniary interest therein.

Section 16 reporting ended · disclosed 2023-06-05. Current position is not established by this disclosure.

Security / awardOwnership accountDisclosed shares / unitsDisclosure context
Common StockSEC Table I · non-derivativeIndirectSee Footnote0 Reported balance After 2023-06-01 transaction · row 1 Joint disclosure: continuity of the reported position is unresolved; see ownership footnotes.
1 source row

Row 1 · 2023-06-01 · Other · Disposed 4,158,964 · Balance 0

F1: This Form 4 reports securities disposed of pursuant to the terms of the Agreement and Plan of Merger, dated as of March 5, 2023, by and among TCR2 Therapeutics Inc. (the "Company"), Adaptimmune Therapeutics plc ("Parent") and CM Merger Sub, Inc., an indirect wholly-owned subsidiary of Parent ("Merger Sub"), as amended by that certain Amendment No. 1 to the Agreement and Plan of Merger, dated April 5, 2023, by and among the Company, Parent and Merger Sub (the "Merger Agreement"), pursuant to which Merger Sub merged with and into the Company (the "Merger") with the Company surviving the Merger as an indirect wholly-owned subsidiary of Parent effective as of June 1, 2023 (the "Effective Time").

F2: At the Effective Time, each issued and outstanding share of common stock of the Company (each, a "Share") (excluding any Shares held in treasury of the Company or owned, directly or indirectly, by Parent or Merger Sub immediately prior to the Effective Time) was cancelled and converted into the right to receive 1.5117 (the "Exchange Ratio") American Depositary Shares of Parent ("Parent ADS") representing six ordinary shares of Parent ("Parent Ordinary Shares").

F3: The Reporting Persons disclaim beneficial ownership of the securities except to the extent of their respective pecuniary interests therein.

F4: The shares were held as follows: 3,056,272 by MPM BioVentures 2014, L.P. ("BV 2014"), 203,846 by MPM BioVentures 2014(B), L.P. ("BV 2014(B)"), 110,859 by MPM Asset Management Investors BV2014 LLC ("AM BV2014"), 304,001 by MPM Asset Management LLC ("AM LLC"), 421,070 by MPM SunStates Fund, L.P. ("MPM SunStates") and 62,916 by MPM Asset Management Investors Sunstates Fund LLC ("AM SunStates"). MPM BioVentures 2014 GP LLC and MPM BioVentures 2014 LLC ("BV LLC") are the direct and indirect general partners of BV 2014 and BV 2014(B) and BV LLC is the manager of AM BV2014. MPM SunStates Fund GP LLC and MPM SunStates GP Managing Member LLC ("SunStates GP") are the direct and indirect general partners of MPM SunStates and SunStates GP is the manager of AM SunStates. Luke Evnin, Ansbert Gadicke and Todd Foley are the managing directors of BV LLC, Ansbert Gadicke is a member of SunStates GP and Luke Evnin and Anbsert Gadicke are the members of AM LLC.

Filing footnotes · ownership attribution and instrument terms

F1: This Form 4 reports securities disposed of pursuant to the terms of the Agreement and Plan of Merger, dated as of March 5, 2023, by and among TCR2 Therapeutics Inc. (the "Company"), Adaptimmune Therapeutics plc ("Parent") and CM Merger Sub, Inc., an indirect wholly-owned subsidiary of Parent ("Merger Sub"), as amended by that certain Amendment No. 1 to the Agreement and Plan of Merger, dated April 5, 2023, by and among the Company, Parent and Merger Sub (the "Merger Agreement"), pursuant to which Merger Sub merged with and into the Company (the "Merger") with the Company surviving the Merger as an indirect wholly-owned subsidiary of Parent effective as of June 1, 2023 (the "Effective Time").

F2: At the Effective Time, each issued and outstanding share of common stock of the Company (each, a "Share") (excluding any Shares held in treasury of the Company or owned, directly or indirectly, by Parent or Merger Sub immediately prior to the Effective Time) was cancelled and converted into the right to receive 1.5117 (the "Exchange Ratio") American Depositary Shares of Parent ("Parent ADS") representing six ordinary shares of Parent ("Parent Ordinary Shares").

F3: The Reporting Persons disclaim beneficial ownership of the securities except to the extent of their respective pecuniary interests therein.

F4: The shares were held as follows: 3,056,272 by MPM BioVentures 2014, L.P. ("BV 2014"), 203,846 by MPM BioVentures 2014(B), L.P. ("BV 2014(B)"), 110,859 by MPM Asset Management Investors BV2014 LLC ("AM BV2014"), 304,001 by MPM Asset Management LLC ("AM LLC"), 421,070 by MPM SunStates Fund, L.P. ("MPM SunStates") and 62,916 by MPM Asset Management Investors Sunstates Fund LLC ("AM SunStates"). MPM BioVentures 2014 GP LLC and MPM BioVentures 2014 LLC ("BV LLC") are the direct and indirect general partners of BV 2014 and BV 2014(B) and BV LLC is the manager of AM BV2014. MPM SunStates Fund GP LLC and MPM SunStates GP Managing Member LLC ("SunStates GP") are the direct and indirect general partners of MPM SunStates and SunStates GP is the manager of AM SunStates. Luke Evnin, Ansbert Gadicke and Todd Foley are the managing directors of BV LLC, Ansbert Gadicke is a member of SunStates GP and Luke Evnin and Anbsert Gadicke are the members of AM LLC.

Section 16 reporting ended · disclosed 2025-05-15. Current position is not established by this disclosure.

Security / awardOwnership accountDisclosed shares / unitsDisclosure context
Common StockSEC Table I · non-derivativeIndirectSee Footnote2,108,594 Reported balance After 2025-05-13 transaction · row 1 Joint disclosure: continuity of the reported position is unresolved; see ownership footnotes.
1 source row

Row 1 · 2025-05-13 · Sale · Disposed 630,191 · Balance 2,108,594

F1: The shares were sold as follows: 355,406 by MPM BioVentures 2014, L.P. ("BV 2014"), 22,386 by MPM BioVentures 2014 (B), L.P. ("BV 2014(B)"), 12,233 by MPM Asset Management Investors BV2014 LLC ("AM BV2014"), 224,467 by MPM BioVentures 2018, L.P. ("BV 2018"), 11,267 by MPM BioVentures 2018(B), L.P. ("BV 2018(B)") and 4,432 by MPM Asset Management Investors BV2018 LLC ("AM BV2018"). MPM BioVentures 2014 GP LLC and MPM BioVentures 2014 LLC ("BV 2014 LLC") are the direct and indirect general partners of BV 2014 and BV 2014(B). BV 2014 LLC is the manager of AM BV2014. MPM BioVentures 2018 GP LLC and MPM BioVentures 2018 LLC ("BV 2018 LLC") are the direct and indirect general partners of BV 2018 and BV 2018(B). BV 2018 LLC is the manager of AM BV2018. Messrs. Evnin and Foley are managing directors of BV 2014 LLC and BV 2018 LLC.

F2: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $7.73 to $8.34 inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.

F3: The shares are held as follows: 1,189,174 by BV 2014, 74,903 by BV 2014(B), 40,931 by AM BV2014, 751,056 by BV 2018, 37,699 by BV 2018(B) and 14,831 by AM BV2018. Each of the Reporting Persons disclaims beneficial ownership of the securities herein except to the extent of his or its respective pecuniary interest therein, if any.

Filing footnotes · ownership attribution and instrument terms

F1: The shares were sold as follows: 355,406 by MPM BioVentures 2014, L.P. ("BV 2014"), 22,386 by MPM BioVentures 2014 (B), L.P. ("BV 2014(B)"), 12,233 by MPM Asset Management Investors BV2014 LLC ("AM BV2014"), 224,467 by MPM BioVentures 2018, L.P. ("BV 2018"), 11,267 by MPM BioVentures 2018(B), L.P. ("BV 2018(B)") and 4,432 by MPM Asset Management Investors BV2018 LLC ("AM BV2018"). MPM BioVentures 2014 GP LLC and MPM BioVentures 2014 LLC ("BV 2014 LLC") are the direct and indirect general partners of BV 2014 and BV 2014(B). BV 2014 LLC is the manager of AM BV2014. MPM BioVentures 2018 GP LLC and MPM BioVentures 2018 LLC ("BV 2018 LLC") are the direct and indirect general partners of BV 2018 and BV 2018(B). BV 2018 LLC is the manager of AM BV2018. Messrs. Evnin and Foley are managing directors of BV 2014 LLC and BV 2018 LLC.

F2: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $7.73 to $8.34 inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.

F3: The shares are held as follows: 1,189,174 by BV 2014, 74,903 by BV 2014(B), 40,931 by AM BV2014, 751,056 by BV 2018, 37,699 by BV 2018(B) and 14,831 by AM BV2018. Each of the Reporting Persons disclaims beneficial ownership of the securities herein except to the extent of his or its respective pecuniary interest therein, if any.

Transaction history

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Purchases/sales include open-market and private transactions. Plan disclosure applies to the filing; individual rows may differ. “Not disclosed” is not “unplanned.”

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Transaction dateCompanyActivity / securityShares / unitsReported priceReported valueDetails
November 30, 2021 Filed Dec 2, 2021 23:53 UTC iTeos Therapeutics, Inc. ITOS · Entity 75965 SaleCommon Stock 5,861 $34.62 $202,907.82
Disclosure

SEC source: 0001209191-21-067706 · doc4.xml · nonDerivative · entry 1

MPM BioVentures 2014, L.P. · CIK 0001609492 · 10% owner

EVNIN LUKE · CIK 0001134657 · 10% owner

Foley Todd · CIK 0001473930 · 10% owner

MPM BioVentures 2014 (B), L.P. · CIK 0001609493 · 10% owner

MPM Asset Management Investors BV2014 LLC · CIK 0001609495 · 10% owner

MPM BioVentures 2014 LLC · CIK 0001765021 · 10% owner

MPM BioVentures 2014 GP LLC · CIK 0001765091 · 10% owner

MPM BIOVENTURES 2018 (B), L.P. · CIK 0001729504 · 10% owner

MPM ASSET MANAGEMENT INVESTORS BV2018 LLC · CIK 0001734817 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Indirect · See Footnote

Disclosed balance after: 3,012,959

F1 · kind: Transaction effected pursuant to a plan established pursuant to Rule 10b5-1.

F2 · shares: The shares were sold as follows: 3,494 by MPM BioVentures 2014, L.P. ("BV 2014"), 120 by MPM Asset Management Investors BV2014 LLC ("AM BV2014"), 2,206 by MPM BioVentures 2018, L.P. ("BV 2018") and 41 by MPM Asset Management Investors BV2018 LLC ("AM BV2018"). MPM BioVentures 2014 GP LLC and MPM BioVentures 2014 LLC ("BV 2014 LLC") are the direct and indirect general partners of BV 2014 and BV 2014(B). BV 2014 LLC is the manager of AM BV2014. MPM BioVentures 2018 GP LLC and MPM BioVentures 2018 LLC ("BV 2018 LLC") are the direct and indirect general partners of BV 2018 and BV 2018(B). BV 2018 LLC is the manager of AM BV2018. Messrs. Evnin and Foley are managing directors of BV 2014 LLC and BV 2018 LLC.

F3 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $33.93 to $34.92 inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.

F4 · ownership.nature: The shares are held as follows: 1,707,933 by BV 2014, 97,289 by, 58,786 by AM BV2014, 1,078,695 by BV 2018, 48,966 by BV 2018(B) and 21,290 by AM BV2018. Each of the Reporting Persons disclaims beneficial ownership of the securities herein except to the extent of his or its respective pecuniary interest therein, if any.

Read SEC document
November 29, 2021 Filed Nov 30, 2021 21:53 UTC iTeos Therapeutics, Inc. ITOS · Entity 75965 SaleCommon Stock 298 $35.37 $10,540.26
Disclosure

SEC source: 0001209191-21-067148 · doc4.xml · nonDerivative · entry 4

MPM BioVentures 2014, L.P. · CIK 0001609492 · 10% owner

EVNIN LUKE · CIK 0001134657 · 10% owner

Foley Todd · CIK 0001473930 · 10% owner

MPM BioVentures 2014 (B), L.P. · CIK 0001609493 · 10% owner

MPM Asset Management Investors BV2014 LLC · CIK 0001609495 · 10% owner

MPM BioVentures 2014 LLC · CIK 0001765021 · 10% owner

MPM BioVentures 2014 GP LLC · CIK 0001765091 · 10% owner

MPM BIOVENTURES 2018 (B), L.P. · CIK 0001729504 · 10% owner

MPM ASSET MANAGEMENT INVESTORS BV2018 LLC · CIK 0001734817 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Indirect · See Footnote

Disclosed balance after: 3,018,820

F1 · kind: Transaction effected pursuant to a plan established pursuant to Rule 10b5-1.

F11 · shares: The shares were sold as follows: 178 by BV 2014, 6 by AM BV2014, 112 by BV 2018 and 2 by AM BV2018.

F12 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $35.125 to $35.67 inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.

F13 · ownership.nature: The shares are held as follows: 1,711,427 by BV 2014, 97,289 by BV 2014(B), 58,906 by AM BV2014, 1,080,901 by BV 2018, 48,966 by BV 2018(B) and 21,331 by AM BV2018. Each of the Reporting Persons disclaims beneficial ownership of the securities herein except to the extent of his or its respective pecuniary interest therein, if any.

Read SEC document
November 29, 2021 Filed Nov 30, 2021 21:53 UTC iTeos Therapeutics, Inc. ITOS · Entity 75965 SaleCommon Stock 10,073 $34.46 $347,115.58
Disclosure

SEC source: 0001209191-21-067148 · doc4.xml · nonDerivative · entry 3

MPM BioVentures 2014, L.P. · CIK 0001609492 · 10% owner

EVNIN LUKE · CIK 0001134657 · 10% owner

Foley Todd · CIK 0001473930 · 10% owner

MPM BioVentures 2014 (B), L.P. · CIK 0001609493 · 10% owner

MPM Asset Management Investors BV2014 LLC · CIK 0001609495 · 10% owner

MPM BioVentures 2014 LLC · CIK 0001765021 · 10% owner

MPM BioVentures 2014 GP LLC · CIK 0001765091 · 10% owner

MPM BIOVENTURES 2018 (B), L.P. · CIK 0001729504 · 10% owner

MPM ASSET MANAGEMENT INVESTORS BV2018 LLC · CIK 0001734817 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Indirect · See Footnote

Disclosed balance after: 3,019,118

F1 · kind: Transaction effected pursuant to a plan established pursuant to Rule 10b5-1.

F8 · shares: The shares were sold as follows: 6,001 by BV 2014, 207 by AM BV2014, 3,790 by BV 2018 and 75 by AM BV2018.

F9 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $34.06 to $34.86 inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.

F10 · ownership.nature: The shares are held as follows: 1,711,605 by BV 2014, 97,289 by BV 2014(B), 58,912 by AM BV2014, 1,081,013 by BV 2018, 48,966 by BV 2018(B) and 21,333 by AM BV2018. Each of the Reporting Persons disclaims beneficial ownership of the securities herein except to the extent of his or its respective pecuniary interest therein, if any.

Read SEC document
November 26, 2021 Filed Nov 30, 2021 21:53 UTC iTeos Therapeutics, Inc. ITOS · Entity 75965 SaleCommon Stock 6,129 $36.03 $220,827.87
Disclosure

SEC source: 0001209191-21-067148 · doc4.xml · nonDerivative · entry 2

MPM BioVentures 2014, L.P. · CIK 0001609492 · 10% owner

EVNIN LUKE · CIK 0001134657 · 10% owner

Foley Todd · CIK 0001473930 · 10% owner

MPM BioVentures 2014 (B), L.P. · CIK 0001609493 · 10% owner

MPM Asset Management Investors BV2014 LLC · CIK 0001609495 · 10% owner

MPM BioVentures 2014 LLC · CIK 0001765021 · 10% owner

MPM BioVentures 2014 GP LLC · CIK 0001765091 · 10% owner

MPM BIOVENTURES 2018 (B), L.P. · CIK 0001729504 · 10% owner

MPM ASSET MANAGEMENT INVESTORS BV2018 LLC · CIK 0001734817 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Indirect · See Footnote

Disclosed balance after: 3,029,191

F1 · kind: Transaction effected pursuant to a plan established pursuant to Rule 10b5-1.

F5 · shares: The shares were sold as follows: 3,652 by BV 2014, 126 by AM BV2014, 2,306 by BV 2018 and 45 by AM BV2018.

F6 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $35.92 to $36.39 inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.

F7 · ownership.nature: The shares are held as follows: 1,717,606 by BV 2014, 97,289 by BV 2014(B), 59,119 by AM BV2014, 1,084,803 by BV 2018, 48,966 by BV 2018(B) and 21,408 by AM BV2018. Each of the Reporting Persons disclaims beneficial ownership of the securities herein except to the extent of his or its respective pecuniary interest therein, if any.

Read SEC document
November 26, 2021 Filed Nov 30, 2021 21:53 UTC iTeos Therapeutics, Inc. ITOS · Entity 75965 SaleCommon Stock 6,545 $35.49 $232,282.05
Disclosure

SEC source: 0001209191-21-067148 · doc4.xml · nonDerivative · entry 1

MPM BioVentures 2014, L.P. · CIK 0001609492 · 10% owner

EVNIN LUKE · CIK 0001134657 · 10% owner

Foley Todd · CIK 0001473930 · 10% owner

MPM BioVentures 2014 (B), L.P. · CIK 0001609493 · 10% owner

MPM Asset Management Investors BV2014 LLC · CIK 0001609495 · 10% owner

MPM BioVentures 2014 LLC · CIK 0001765021 · 10% owner

MPM BioVentures 2014 GP LLC · CIK 0001765091 · 10% owner

MPM BIOVENTURES 2018 (B), L.P. · CIK 0001729504 · 10% owner

MPM ASSET MANAGEMENT INVESTORS BV2018 LLC · CIK 0001734817 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Indirect · See Footnote

Disclosed balance after: 3,035,320

F1 · kind: Transaction effected pursuant to a plan established pursuant to Rule 10b5-1.

F2 · shares: The shares were sold as follows: 3,899 by MPM BioVentures 2014, L.P. ("BV 2014"), 134 by MPM Asset Management Investors BV2014 LLC ("AM BV2014"), 2,463 by MPM BioVentures 2018, L.P. ("BV 2018") and 49 by MPM Asset Management Investors BV2018 LLC ("AM BV2018"). MPM BioVentures 2014 GP LLC and MPM BioVentures 2014 LLC ("BV 2014 LLC") are the direct and indirect general partners of BV 2014 and BV 2014(B). BV 2014 LLC is the manager of AM BV2014. MPM BioVentures 2018 GP LLC and MPM BioVentures 2018 LLC ("BV 2018 LLC") are the direct and indirect general partners of BV 2018 and BV 2018(B). BV 2018 LLC is the manager of AM BV2018. Messrs. Evnin and Foley are managing directors of BV 2014 LLC and BV 2018 LLC.

F3 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $34.915 to $35.91 inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.

F4 · ownership.nature: The shares are held as follows: 1,721,258 by BV 2014, 97,289 by, 59,245 by AM BV2014, 1,087,109 by BV 2018, 48,966 by BV 2018(B) and 21,453 by AM BV2018. Each of the Reporting Persons disclaims beneficial ownership of the securities herein except to the extent of his or its respective pecuniary interest therein, if any.

Read SEC document
November 24, 2021 Filed Nov 24, 2021 23:34 UTC iTeos Therapeutics, Inc. ITOS · Entity 75965 SaleCommon Stock 13,126 $37.02 $485,924.52
Disclosure

SEC source: 0001209191-21-066852 · doc4.xml · nonDerivative · entry 8

MPM BioVentures 2014, L.P. · CIK 0001609492 · 10% owner

EVNIN LUKE · CIK 0001134657 · 10% owner

Foley Todd · CIK 0001473930 · 10% owner

MPM BioVentures 2014 (B), L.P. · CIK 0001609493 · 10% owner

MPM Asset Management Investors BV2014 LLC · CIK 0001609495 · 10% owner

MPM BioVentures 2014 LLC · CIK 0001765021 · 10% owner

MPM BioVentures 2014 GP LLC · CIK 0001765091 · 10% owner

MPM BIOVENTURES 2018 (B), L.P. · CIK 0001729504 · 10% owner

MPM ASSET MANAGEMENT INVESTORS BV2018 LLC · CIK 0001734817 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Indirect · See Footnote

Disclosed balance after: 3,041,865

F4 · kind: Transaction effected pursuant to a plan established pursuant to Rule 10b5-1.

F23 · shares: The shares were sold as follows: 7,820 by BV 2014, 269 by AM BV2014, 4,939 by BV 2018 and 98 by AM BV2018.

F24 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $36.85 to $37.27 inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.

F25 · ownership.nature: The shares are held as follows: 1,725,157 by BV 2014, 97,289 by BV 2014(B), 59,379 by AM BV2014, 1,089,572 by BV 2018, 48,966 by BV 2018(B) and 21,502 by AM BV2018. Each of the Reporting Persons disclaims beneficial ownership of the securities herein except to the extent of his or its respective pecuniary interest therein, if any.

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November 24, 2021 Filed Nov 24, 2021 23:34 UTC iTeos Therapeutics, Inc. ITOS · Entity 75965 SaleCommon Stock 18,343 $36.05 $661,265.15
Disclosure

SEC source: 0001209191-21-066852 · doc4.xml · nonDerivative · entry 7

MPM BioVentures 2014, L.P. · CIK 0001609492 · 10% owner

EVNIN LUKE · CIK 0001134657 · 10% owner

Foley Todd · CIK 0001473930 · 10% owner

MPM BioVentures 2014 (B), L.P. · CIK 0001609493 · 10% owner

MPM Asset Management Investors BV2014 LLC · CIK 0001609495 · 10% owner

MPM BioVentures 2014 LLC · CIK 0001765021 · 10% owner

MPM BioVentures 2014 GP LLC · CIK 0001765091 · 10% owner

MPM BIOVENTURES 2018 (B), L.P. · CIK 0001729504 · 10% owner

MPM ASSET MANAGEMENT INVESTORS BV2018 LLC · CIK 0001734817 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Indirect · See Footnote

Disclosed balance after: 3,054,991

F4 · kind: Transaction effected pursuant to a plan established pursuant to Rule 10b5-1.

F20 · shares: The shares were sold as follows: 10,929 by BV 2014, 376 by AM BV2014, 6,902 by BV 2018 and 136 by AM BV2018.

F21 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $35.83 to $36.81 inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.

F22 · ownership.nature: The shares are held as follows: 1,732,977 by BV 2014, 97,289 by BV 2014(B), 59,648 by AM BV2014, 1,094,511 by BV 2018, 48,966 by BV 2018(B) and 21,600 by AM BV2018. Each of the Reporting Persons disclaims beneficial ownership of the securities herein except to the extent of his or its respective pecuniary interest therein, if any.

Read SEC document
November 24, 2021 Filed Nov 24, 2021 23:34 UTC iTeos Therapeutics, Inc. ITOS · Entity 75965 SaleCommon Stock 4,868 $35.20 $171,353.60
Disclosure

SEC source: 0001209191-21-066852 · doc4.xml · nonDerivative · entry 6

MPM BioVentures 2014, L.P. · CIK 0001609492 · 10% owner

EVNIN LUKE · CIK 0001134657 · 10% owner

Foley Todd · CIK 0001473930 · 10% owner

MPM BioVentures 2014 (B), L.P. · CIK 0001609493 · 10% owner

MPM Asset Management Investors BV2014 LLC · CIK 0001609495 · 10% owner

MPM BioVentures 2014 LLC · CIK 0001765021 · 10% owner

MPM BioVentures 2014 GP LLC · CIK 0001765091 · 10% owner

MPM BIOVENTURES 2018 (B), L.P. · CIK 0001729504 · 10% owner

MPM ASSET MANAGEMENT INVESTORS BV2018 LLC · CIK 0001734817 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Indirect · See Footnote

Disclosed balance after: 3,073,334

F4 · kind: Transaction effected pursuant to a plan established pursuant to Rule 10b5-1.

F17 · shares: The shares were sold as follows: 2,900 by BV 2014, 100 by AM BV2014, 1,832 by BV 2018 and 36 by AM BV2018.

F18 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $34.82 to $35.78 inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.

F19 · ownership.nature: The shares are held as follows: 1,743,906 by BV 2014, 97,289 by BV 2014(B), 60,024 by AM BV2014, 1,101,413 by BV 2018, 48,966 by BV 2018(B) and 21,736 by AM BV2018. Each of the Reporting Persons disclaims beneficial ownership of the securities herein except to the extent of his or its respective pecuniary interest therein, if any.

Read SEC document
November 23, 2021 Filed Nov 24, 2021 23:34 UTC iTeos Therapeutics, Inc. ITOS · Entity 75965 SaleCommon Stock 359 $36.50 $13,103.50
Disclosure

SEC source: 0001209191-21-066852 · doc4.xml · nonDerivative · entry 5

MPM BioVentures 2014, L.P. · CIK 0001609492 · 10% owner

EVNIN LUKE · CIK 0001134657 · 10% owner

Foley Todd · CIK 0001473930 · 10% owner

MPM BioVentures 2014 (B), L.P. · CIK 0001609493 · 10% owner

MPM Asset Management Investors BV2014 LLC · CIK 0001609495 · 10% owner

MPM BioVentures 2014 LLC · CIK 0001765021 · 10% owner

MPM BioVentures 2014 GP LLC · CIK 0001765091 · 10% owner

MPM BIOVENTURES 2018 (B), L.P. · CIK 0001729504 · 10% owner

MPM ASSET MANAGEMENT INVESTORS BV2018 LLC · CIK 0001734817 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Indirect · See Footnote

Disclosed balance after: 3,078,202

F4 · kind: Transaction effected pursuant to a plan established pursuant to Rule 10b5-1.

F14 · shares: The shares were sold as follows: 214 by BV 2014, 7 by AM BV2014, 135 by BV 2018 and 3 by AM BV2018.

F15 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $36.48 to $36.52 inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.

F16 · ownership.nature: The shares are held as follows: 1,746,806 by BV 2014, 97,289 by BV 2014(B), 60,124 by AM BV2014, 1,103,245 by BV 2018, 48,966 by BV 2018(B) and 21,772 by AM BV2018. Each of the Reporting Persons disclaims beneficial ownership of the securities herein except to the extent of his or its respective pecuniary interest therein, if any.

Read SEC document
November 23, 2021 Filed Nov 24, 2021 23:34 UTC iTeos Therapeutics, Inc. ITOS · Entity 75965 SaleCommon Stock 19,645 $36.21 $711,345.45
Disclosure

SEC source: 0001209191-21-066852 · doc4.xml · nonDerivative · entry 4

MPM BioVentures 2014, L.P. · CIK 0001609492 · 10% owner

EVNIN LUKE · CIK 0001134657 · 10% owner

Foley Todd · CIK 0001473930 · 10% owner

MPM BioVentures 2014 (B), L.P. · CIK 0001609493 · 10% owner

MPM Asset Management Investors BV2014 LLC · CIK 0001609495 · 10% owner

MPM BioVentures 2014 LLC · CIK 0001765021 · 10% owner

MPM BioVentures 2014 GP LLC · CIK 0001765091 · 10% owner

MPM BIOVENTURES 2018 (B), L.P. · CIK 0001729504 · 10% owner

MPM ASSET MANAGEMENT INVESTORS BV2018 LLC · CIK 0001734817 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Indirect · See Footnote

Disclosed balance after: 3,078,561

F4 · kind: Transaction effected pursuant to a plan established pursuant to Rule 10b5-1.

F11 · shares: The shares were sold as follows: 11,704 by BV 2014, 403 by AM BV2014, 7,392 by BV 2018 and 146 by AM BV2018.

F12 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $35.46 to $36.45 inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.

F13 · ownership.nature: The shares are held as follows: 1,747,020 by BV 2014, 97,289 by BV 2014(B), 60,131 by AM BV2014, 1,103,380 by BV 2018, 48,966 by BV 2018(B) and 21,775 by AM BV2018. Each of the Reporting Persons disclaims beneficial ownership of the securities herein except to the extent of his or its respective pecuniary interest therein, if any.

Read SEC document
November 22, 2021 Filed Nov 24, 2021 23:34 UTC iTeos Therapeutics, Inc. ITOS · Entity 75965 SaleCommon Stock 11,807 $37.81 $446,422.67
Disclosure

SEC source: 0001209191-21-066852 · doc4.xml · nonDerivative · entry 3

MPM BioVentures 2014, L.P. · CIK 0001609492 · 10% owner

EVNIN LUKE · CIK 0001134657 · 10% owner

Foley Todd · CIK 0001473930 · 10% owner

MPM BioVentures 2014 (B), L.P. · CIK 0001609493 · 10% owner

MPM Asset Management Investors BV2014 LLC · CIK 0001609495 · 10% owner

MPM BioVentures 2014 LLC · CIK 0001765021 · 10% owner

MPM BioVentures 2014 GP LLC · CIK 0001765091 · 10% owner

MPM BIOVENTURES 2018 (B), L.P. · CIK 0001729504 · 10% owner

MPM ASSET MANAGEMENT INVESTORS BV2018 LLC · CIK 0001734817 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Indirect · See Footnote

Disclosed balance after: 3,098,206

F4 · kind: Transaction effected pursuant to a plan established pursuant to Rule 10b5-1.

F8 · shares: The shares were sold as follows: 7,034 by BV 2014, 242 by AM BV2014, 4,443 by BV 2018 and 88 by AM BV2018.

F9 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $37.58 to $38.16 inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.

F10 · ownership.nature: The shares are held as follows: 1,758,724 by BV 2014, 97,289 by BV 2014(B), 60,534 by AM BV2014, 1,110,772 by BV 2018, 48,966 by BV 2018(B) and 21,921 by AM BV2018. Each of the Reporting Persons disclaims beneficial ownership of the securities herein except to the extent of his or its respective pecuniary interest therein, if any.

Read SEC document
November 22, 2021 Filed Nov 24, 2021 23:34 UTC iTeos Therapeutics, Inc. ITOS · Entity 75965 SaleCommon Stock 9,307 $37.16 $345,848.12
Disclosure

SEC source: 0001209191-21-066852 · doc4.xml · nonDerivative · entry 2

MPM BioVentures 2014, L.P. · CIK 0001609492 · 10% owner

EVNIN LUKE · CIK 0001134657 · 10% owner

Foley Todd · CIK 0001473930 · 10% owner

MPM BioVentures 2014 (B), L.P. · CIK 0001609493 · 10% owner

MPM Asset Management Investors BV2014 LLC · CIK 0001609495 · 10% owner

MPM BioVentures 2014 LLC · CIK 0001765021 · 10% owner

MPM BioVentures 2014 GP LLC · CIK 0001765091 · 10% owner

MPM BIOVENTURES 2018 (B), L.P. · CIK 0001729504 · 10% owner

MPM ASSET MANAGEMENT INVESTORS BV2018 LLC · CIK 0001734817 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Indirect · See Footnote

Disclosed balance after: 3,110,013

F4 · kind: Transaction effected pursuant to a plan established pursuant to Rule 10b5-1.

F5 · shares: The shares were sold as follows: 5,545 by BV 2014, 191 by AM BV2014, 3,502 by BV 2018 and 69 by AM BV2018.

F6 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $36.58 to $37.555 inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.

F7 · ownership.nature: The shares are held as follows: 1,765,758 by BV 2014, 97,289 by, 60,776 by AM BV2014, 1,115,215 by BV 2018, 48,966 by BV 2018(B) and 22,009 by AM BV2018. Each of the Reporting Persons disclaims beneficial ownership of the securities herein except to the extent of his or its respective pecuniary interest therein, if any.

Read SEC document
November 17, 2021 Filed Nov 24, 2021 23:34 UTC iTeos Therapeutics, Inc. ITOS · Entity 75965 OtherCommon Stock 15,671 $0.00 $0.00
Disclosure

SEC source: 0001209191-21-066852 · doc4.xml · nonDerivative · entry 1

MPM BioVentures 2014, L.P. · CIK 0001609492 · 10% owner

EVNIN LUKE · CIK 0001134657 · 10% owner

Foley Todd · CIK 0001473930 · 10% owner

MPM BioVentures 2014 (B), L.P. · CIK 0001609493 · 10% owner

MPM Asset Management Investors BV2014 LLC · CIK 0001609495 · 10% owner

MPM BioVentures 2014 LLC · CIK 0001765021 · 10% owner

MPM BioVentures 2014 GP LLC · CIK 0001765091 · 10% owner

MPM BIOVENTURES 2018 (B), L.P. · CIK 0001729504 · 10% owner

MPM ASSET MANAGEMENT INVESTORS BV2018 LLC · CIK 0001734817 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Indirect · See Footnote

Disclosed balance after: 3,119,320

F1 · kind: Represents a pro rata in-kind distribution from MPM BioVentures 2014(B), L.P. ("BV 2014(B)") and MPM BioVentures 2018(B), L.P. ("BV 2018(B)") to its respectve limited partners for no consideration.

F2 · shares: The shares were distributed as follows: 10,424 by BV 2014(B) and 5,247 by BV 2018(B).

F3 · ownership.nature: The shares are held as follows: 1,771,303 by MPM BioVentures 2014, L.P. ("BV 2014"), 97,289 by BV2014(B), 60,967 by MPM Asset Management Investors BV2014 LLC ("AM BV2014"), 1,118,717 by MPM BioVentures 2018, L.P. ("BV 2018"), 48,966 by BV 2018(B) and 22,078 by MPM Asset Management Investors BV2018 LLC ("AM BV2018"). MPM BioVentures 2014 GP LLC and MPM BioVentures 2014 LLC ("BV 2014 LLC") are the direct and indirect general partners of BV 2014 and BV 2014(B). BV 2014 LLC is the manager of AM BV2014. MPM BioVentures 2018 GP LLC and MPM BioVentures 2018 LLC ("BV 2018 LLC") are the direct and indirect general partners of BV 2018 and BV 2018(B). BV 2018 LLC is the manager of AM BV2018. Messrs. Evnin and Foley are managing directors of BV 2014 LLC and BV 2018 LLC. Each of the Reporting Persons disclaims beneficial ownership of the securities herein except to the extent of his or its respective pecuniary interest therein, if any.

Read SEC document
November 02, 2021 Filed Nov 4, 2021 21:36 UTC Entrada Therapeutics, Inc. TRDA · Entity 2163 ConversionSeries B Preferred Stock · Derivative 3,683,241 $0.00 $0.00
Disclosure

SEC source: 0001209191-21-062981 · doc4.xml · derivative · entry 5

Foley Todd · CIK 0001473930 · Director · 10% owner

10b5-1 filing: Not disclosed

Ownership: Indirect · See Footnote

Disclosed balance after: 0

Underlying: Common Stock · 509,024 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F2 · derivative.exercise_price: Each share of the Issuer's Series A Preferred Stock and Series B Preferred Stock automatically converted into one (1) share of the Issuer's Common Stock immediately upon the closing of the Issuer's initial public offering. These amounts reflect a 1-for-7.235890014 reverse stock split which became effective on October 22, 2021. The Series A Preferred Stock and Series B Preferred Stock have no expiration date.

F2 · price: Each share of the Issuer's Series A Preferred Stock and Series B Preferred Stock automatically converted into one (1) share of the Issuer's Common Stock immediately upon the closing of the Issuer's initial public offering. These amounts reflect a 1-for-7.235890014 reverse stock split which became effective on October 22, 2021. The Series A Preferred Stock and Series B Preferred Stock have no expiration date.

F2 · derivative.exercise_date: Each share of the Issuer's Series A Preferred Stock and Series B Preferred Stock automatically converted into one (1) share of the Issuer's Common Stock immediately upon the closing of the Issuer's initial public offering. These amounts reflect a 1-for-7.235890014 reverse stock split which became effective on October 22, 2021. The Series A Preferred Stock and Series B Preferred Stock have no expiration date.

F2 · derivative.expiration_date: Each share of the Issuer's Series A Preferred Stock and Series B Preferred Stock automatically converted into one (1) share of the Issuer's Common Stock immediately upon the closing of the Issuer's initial public offering. These amounts reflect a 1-for-7.235890014 reverse stock split which became effective on October 22, 2021. The Series A Preferred Stock and Series B Preferred Stock have no expiration date.

F4 · ownership.nature: The shares were converted as follows: 231,139 by BV 2014, 15,417 by BV 2014(B), 7,956 by AM BV2014, 237,222 by BV 2018, 12,608 by BV 2018(B) and 4,682 by AM BV2018. The Reporting Person disclaims beneficial ownership of the securities except to the extent of his pecuniary interest therein.

Read SEC document
November 02, 2021 Filed Nov 4, 2021 21:36 UTC Entrada Therapeutics, Inc. TRDA · Entity 2163 ConversionSeries A Preferred Stock · Derivative 27,617,675 $0.00 $0.00
Disclosure

SEC source: 0001209191-21-062981 · doc4.xml · derivative · entry 4

Foley Todd · CIK 0001473930 · Director · 10% owner

10b5-1 filing: Not disclosed

Ownership: Indirect · See Footnote

Disclosed balance after: 0

Underlying: Common Stock · 3,816,760 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F2 · derivative.exercise_price: Each share of the Issuer's Series A Preferred Stock and Series B Preferred Stock automatically converted into one (1) share of the Issuer's Common Stock immediately upon the closing of the Issuer's initial public offering. These amounts reflect a 1-for-7.235890014 reverse stock split which became effective on October 22, 2021. The Series A Preferred Stock and Series B Preferred Stock have no expiration date.

F2 · price: Each share of the Issuer's Series A Preferred Stock and Series B Preferred Stock automatically converted into one (1) share of the Issuer's Common Stock immediately upon the closing of the Issuer's initial public offering. These amounts reflect a 1-for-7.235890014 reverse stock split which became effective on October 22, 2021. The Series A Preferred Stock and Series B Preferred Stock have no expiration date.

F2 · derivative.exercise_date: Each share of the Issuer's Series A Preferred Stock and Series B Preferred Stock automatically converted into one (1) share of the Issuer's Common Stock immediately upon the closing of the Issuer's initial public offering. These amounts reflect a 1-for-7.235890014 reverse stock split which became effective on October 22, 2021. The Series A Preferred Stock and Series B Preferred Stock have no expiration date.

F2 · derivative.expiration_date: Each share of the Issuer's Series A Preferred Stock and Series B Preferred Stock automatically converted into one (1) share of the Issuer's Common Stock immediately upon the closing of the Issuer's initial public offering. These amounts reflect a 1-for-7.235890014 reverse stock split which became effective on October 22, 2021. The Series A Preferred Stock and Series B Preferred Stock have no expiration date.

F1 · ownership.nature: The shares were converted as follows: 1,733,129 by MPM BioVentures 2014, L.P. ("BV 2014"), 115,596 by MPM BioVentures 2014(B), L.P. ("BV 2014(B)"), 59,655 by MPM Asset Management Investors BV2014 LLC ("AM BV2014"), 1,778,737 by MPM BioVentures 2018, L.P. ("BV 2018"), 94,538 by MPM BioVentures 2018 (B), L.P. ("BV 2018(B)") and 35,105 by MPM Asset Management Investors BV2018 LLC ("AM BV2018"). MPM BioVentures 2014 GP LLC and MPM BioVentures 2014 LLC ("BV2014 LLC") are the direct and indirect general partners of BV 2014 and BV 2014(B). BV2014 LLC is the manager of AM BV2014. MPM BioVentures 2018 GP LLC and MPM BioVentures 2018 LLC ("BV2018 LLC") are the direct and indirect general partners of BV 2018 and BV 2018(B). BV 2018 LLC is the manager of AM BV2018. The Reporting Person is a managing director of BV 2014 LLC and BV 2018 LLC. The Reporting Person disclaims beneficial ownership of the securities except to the extent of his pecuniary interest therein.

Read SEC document
November 02, 2021 Filed Nov 4, 2021 21:36 UTC Entrada Therapeutics, Inc. TRDA · Entity 2163 PurchaseCommon Stock 100,000 $20.00 $2,000,000.00
Disclosure

SEC source: 0001209191-21-062981 · doc4.xml · nonDerivative · entry 3

Foley Todd · CIK 0001473930 · Director · 10% owner

10b5-1 filing: Not disclosed

Ownership: Indirect · See Footnote

Disclosed balance after: 4,425,784

F6 · shares: The shares were purchased as follows: 45,408 by BV 2014, 3,029 by BV 2014(B), 1,563 by AM BV2014, 46,603 by BV 2018, 2,477 by BV 2018(B) and 920 by AM BV2018. The Reporting Person disclaims beneficial ownership of the securities except to the extent of his pecuniary interest therein.

F7 · ownership.nature: The shares are held as follows: 2,009,676 by BV 2014, 134,042 by BV 2014(B), 69,174 by AM BV2014, 2,062,562 by BV 2018, 109,623 by BV 2018(B) and 40,707 by AM BV2018. The Reporting Person disclaims beneficial ownership of the securities except to the extent of his pecuniary interest therein.

Read SEC document
November 02, 2021 Filed Nov 4, 2021 21:36 UTC Entrada Therapeutics, Inc. TRDA · Entity 2163 ConversionCommon Stock 509,024 Not disclosed Not disclosed
Disclosure

SEC source: 0001209191-21-062981 · doc4.xml · nonDerivative · entry 2

Foley Todd · CIK 0001473930 · Director · 10% owner

10b5-1 filing: Not disclosed

Ownership: Indirect · See Footnote

Disclosed balance after: 4,325,784

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F4 · shares: The shares were converted as follows: 231,139 by BV 2014, 15,417 by BV 2014(B), 7,956 by AM BV2014, 237,222 by BV 2018, 12,608 by BV 2018(B) and 4,682 by AM BV2018. The Reporting Person disclaims beneficial ownership of the securities except to the extent of his pecuniary interest therein.

F2 · price: Each share of the Issuer's Series A Preferred Stock and Series B Preferred Stock automatically converted into one (1) share of the Issuer's Common Stock immediately upon the closing of the Issuer's initial public offering. These amounts reflect a 1-for-7.235890014 reverse stock split which became effective on October 22, 2021. The Series A Preferred Stock and Series B Preferred Stock have no expiration date.

F5 · ownership.nature: The shares are held as follows: 1,964,268 by BV 2014, 131,013 by BV 2014(B), 67,611 by AM BV2014, 2,015,959 by BV 2018, 107,146 by BV 2018(B) and 39,787 by AM BV2018. The Reporting Person disclaims beneficial ownership of the securities except to the extent of his pecuniary interest therein.

Read SEC document
November 02, 2021 Filed Nov 4, 2021 21:36 UTC Entrada Therapeutics, Inc. TRDA · Entity 2163 ConversionCommon Stock 3,816,760 Not disclosed Not disclosed
Disclosure

SEC source: 0001209191-21-062981 · doc4.xml · nonDerivative · entry 1

Foley Todd · CIK 0001473930 · Director · 10% owner

10b5-1 filing: Not disclosed

Ownership: Indirect · See Footnote

Disclosed balance after: 3,816,760

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · shares: The shares were converted as follows: 1,733,129 by MPM BioVentures 2014, L.P. ("BV 2014"), 115,596 by MPM BioVentures 2014(B), L.P. ("BV 2014(B)"), 59,655 by MPM Asset Management Investors BV2014 LLC ("AM BV2014"), 1,778,737 by MPM BioVentures 2018, L.P. ("BV 2018"), 94,538 by MPM BioVentures 2018 (B), L.P. ("BV 2018(B)") and 35,105 by MPM Asset Management Investors BV2018 LLC ("AM BV2018"). MPM BioVentures 2014 GP LLC and MPM BioVentures 2014 LLC ("BV2014 LLC") are the direct and indirect general partners of BV 2014 and BV 2014(B). BV2014 LLC is the manager of AM BV2014. MPM BioVentures 2018 GP LLC and MPM BioVentures 2018 LLC ("BV2018 LLC") are the direct and indirect general partners of BV 2018 and BV 2018(B). BV 2018 LLC is the manager of AM BV2018. The Reporting Person is a managing director of BV 2014 LLC and BV 2018 LLC. The Reporting Person disclaims beneficial ownership of the securities except to the extent of his pecuniary interest therein.

F2 · price: Each share of the Issuer's Series A Preferred Stock and Series B Preferred Stock automatically converted into one (1) share of the Issuer's Common Stock immediately upon the closing of the Issuer's initial public offering. These amounts reflect a 1-for-7.235890014 reverse stock split which became effective on October 22, 2021. The Series A Preferred Stock and Series B Preferred Stock have no expiration date.

F3 · ownership.nature: The shares are held as follows: 1,733,129 by BV 2014, 115,596 by BV 2014(B), 59,655 by AM BV2014, 1,778,737 by BV 2018, 94,538 by BV 2018(B) and 35,105 by AM BV2018. The Reporting Person disclaims beneficial ownership of the securities except to the extent of his pecuniary interest therein

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October 28, 2021 Filed Nov 1, 2021 21:22 UTC Entrada Therapeutics, Inc. TRDA · Entity 2163 GrantStock Option (Right to Buy) · Derivative 23,552 $0.00 Strike: $20.00 $0.00
Disclosure

SEC source: 0001209191-21-062225 · doc4.xml · derivative · entry 1

Foley Todd · CIK 0001473930 · Director · 10% owner

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 23,552

Underlying: Common Stock · 23,552 shares

Expires 2031-10-28

F1 · derivative.exercise_date: The option will vest in 36 equal monthly installments commencing on October 28, 2021, subject to the Reporting Person's continuous service.

Read SEC document
October 18, 2021 Filed Oct 18, 2021 20:34 UTC iTeos Therapeutics, Inc. ITOS · Entity 75965 SaleCommon Stock 6,167 $27.14 $167,372.38
Disclosure

SEC source: 0001209191-21-060723 · doc4.xml · nonDerivative · entry 3

MPM BioVentures 2014, L.P. · CIK 0001609492 · 10% owner

EVNIN LUKE · CIK 0001134657 · 10% owner

Foley Todd · CIK 0001473930 · 10% owner

MPM BioVentures 2014 (B), L.P. · CIK 0001609493 · 10% owner

MPM Asset Management Investors BV2014 LLC · CIK 0001609495 · 10% owner

MPM BioVentures 2014 LLC · CIK 0001765021 · 10% owner

MPM BioVentures 2014 GP LLC · CIK 0001765091 · 10% owner

MPM BIOVENTURES 2018 (B), L.P. · CIK 0001729504 · 10% owner

MPM ASSET MANAGEMENT INVESTORS BV2018 LLC · CIK 0001734817 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Indirect · See Footnote

Disclosed balance after: 3,134,991

F1 · kind: Transaction effected pursuant to a plan established pursuant to Rule 10b5-1.

F8 · shares: The shares were sold as follows: 3,676 by BV 2014, 125 by AM BV2014, 2,321 by BV 2018 and 45 by AM BV2018.

F9 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $26.96 to $27.94 inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.

F10 · ownership.nature: The shares are held as follows: 1,771,303 by BV 2014, 107,713 by BV 2014(B), 60,967 by AM BV2014, 1,118,717 by BV 2018, 54,213 by BV 2018(B) and 22,078 by AM BV2018. The Reporting Person disclaims beneficial ownership of the securities except to the extent of his or its respective pecuniary interest therein.

Read SEC document
October 15, 2021 Filed Oct 18, 2021 20:34 UTC iTeos Therapeutics, Inc. ITOS · Entity 75965 SaleCommon Stock 2,039 $28.01 $57,112.39
Disclosure

SEC source: 0001209191-21-060723 · doc4.xml · nonDerivative · entry 2

MPM BioVentures 2014, L.P. · CIK 0001609492 · 10% owner

EVNIN LUKE · CIK 0001134657 · 10% owner

Foley Todd · CIK 0001473930 · 10% owner

MPM BioVentures 2014 (B), L.P. · CIK 0001609493 · 10% owner

MPM Asset Management Investors BV2014 LLC · CIK 0001609495 · 10% owner

MPM BioVentures 2014 LLC · CIK 0001765021 · 10% owner

MPM BioVentures 2014 GP LLC · CIK 0001765091 · 10% owner

MPM BIOVENTURES 2018 (B), L.P. · CIK 0001729504 · 10% owner

MPM ASSET MANAGEMENT INVESTORS BV2018 LLC · CIK 0001734817 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Indirect · See Footnote

Disclosed balance after: 3,141,158

F1 · kind: Transaction effected pursuant to a plan established pursuant to Rule 10b5-1.

F5 · shares: The shares were sold as follows: 1,215 by BV 2014, 42 by AM BV2014, 767 by BV 2018 and 15 by AM BV2018.

F6 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $27.97 to $28.07 inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.

F7 · ownership.nature: The shares are held as follows: 1,774,979 by BV 2014, 107,713 by BV 2014(B), 61,092 by AM BV2014, 1,121,038 by BV 2018, 54,213 by BV 2018(B) and 22,123 by AM BV2018. Each of the Reporting Persons disclaims beneficial ownership of the securities herein except to the extent of his or its respective pecuniary interest therein, if any.

Read SEC document
October 15, 2021 Filed Oct 18, 2021 20:34 UTC iTeos Therapeutics, Inc. ITOS · Entity 75965 SaleCommon Stock 8,893 $27.53 $244,824.29
Disclosure

SEC source: 0001209191-21-060723 · doc4.xml · nonDerivative · entry 1

MPM BioVentures 2014, L.P. · CIK 0001609492 · 10% owner

EVNIN LUKE · CIK 0001134657 · 10% owner

Foley Todd · CIK 0001473930 · 10% owner

MPM BioVentures 2014 (B), L.P. · CIK 0001609493 · 10% owner

MPM Asset Management Investors BV2014 LLC · CIK 0001609495 · 10% owner

MPM BioVentures 2014 LLC · CIK 0001765021 · 10% owner

MPM BioVentures 2014 GP LLC · CIK 0001765091 · 10% owner

MPM BIOVENTURES 2018 (B), L.P. · CIK 0001729504 · 10% owner

MPM ASSET MANAGEMENT INVESTORS BV2018 LLC · CIK 0001734817 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Indirect · See Footnote

Disclosed balance after: 3,143,197

F1 · kind: Transaction effected pursuant to a plan established pursuant to Rule 10b5-1.

F2 · shares: The shares were sold as follows: 5,298 by MPM BioVentures 2014, L.P. ("BV 2014"), 182 by MPM Asset Management Investors BV2014 LLC ("AM BV2014"), 3,347 by MPM BioVentures 2018, L.P. ("BV 2018") and 66 by MPM Asset Management Investors BV2018 LLC ("AM BV2018"). MPM BioVentures 2014 GP LLC and MPM BioVentures 2014 LLC ("BV 2014 LLC") are the direct and indirect general partners of BV 2014 and BV 2014(B). BV 2014 LLC is the manager of AM BV2014. MPM BioVentures 2018 GP LLC and MPM BioVentures 2018 LLC ("BV 2018 LLC") are the direct and indirect general partners of BV 2018 and BV 2018(B). BV 2018 LLC is the manager of AM BV2018. Messrs. Evnin and Foley are managing directors of BV 2014 LLC and BV 2018 LLC.

F3 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $26.97 to $27.955 inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.

F4 · ownership.nature: The shares are held as follows: 1,776,194 by BV 2014, 107,713 by MPM BioVentures 2014(B), L.P. ("BV 2014(B)"), 61,134 by AM BV2014, 1,121,805 by BV 2018, 54,213 by MPM BioVentures 2018(B), L.P. ("BV 2018(B)") and 22,138 by AM BV2018. The Reporting Person disclaims beneficial ownership of the securities except to the extent of his or its respective pecuniary interest therein.

Read SEC document
October 14, 2021 Filed Oct 14, 2021 21:27 UTC iTeos Therapeutics, Inc. ITOS · Entity 75965 SaleCommon Stock 27,320 $27.30 $745,836.00
Disclosure

SEC source: 0001209191-21-060490 · doc4.xml · nonDerivative · entry 3

MPM BioVentures 2014, L.P. · CIK 0001609492 · 10% owner

EVNIN LUKE · CIK 0001134657 · 10% owner

Foley Todd · CIK 0001473930 · 10% owner

MPM BioVentures 2014 (B), L.P. · CIK 0001609493 · 10% owner

MPM Asset Management Investors BV2014 LLC · CIK 0001609495 · 10% owner

MPM BioVentures 2014 LLC · CIK 0001765021 · 10% owner

MPM BioVentures 2014 GP LLC · CIK 0001765091 · 10% owner

MPM BIOVENTURES 2018 (B), L.P. · CIK 0001729504 · 10% owner

MPM ASSET MANAGEMENT INVESTORS BV2018 LLC · CIK 0001734817 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Indirect · See Footnote

Disclosed balance after: 3,152,090

F1 · kind: Transaction effected pursuant to a plan established pursuant to Rule 10b5-1.

F8 · shares: The shares were sold as follows: 16,277 by BV 2014, 560 by AM BV2014, 10,280 by BV 2018 and 203 by AM BV2018.

F9 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $26.95 to $27.84 inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.

F10 · ownership.nature: The shares are held as follows: 1,781,492 by BV 2014, 107,713 by BV 2014(B), 61,316 by AM BV2014, 1,125,152 by BV 2018, 54,213 by BV 2018(B) and 22,204 by AM BV2018. The Reporting Person disclaims beneficial ownership of the securities except to the extent of his or its respective pecuniary interest therein.

Read SEC document
October 13, 2021 Filed Oct 14, 2021 21:27 UTC iTeos Therapeutics, Inc. ITOS · Entity 75965 SaleCommon Stock 20,929 $27.13 $567,803.77
Disclosure

SEC source: 0001209191-21-060490 · doc4.xml · nonDerivative · entry 2

MPM BioVentures 2014, L.P. · CIK 0001609492 · 10% owner

EVNIN LUKE · CIK 0001134657 · 10% owner

Foley Todd · CIK 0001473930 · 10% owner

MPM BioVentures 2014 (B), L.P. · CIK 0001609493 · 10% owner

MPM Asset Management Investors BV2014 LLC · CIK 0001609495 · 10% owner

MPM BioVentures 2014 LLC · CIK 0001765021 · 10% owner

MPM BioVentures 2014 GP LLC · CIK 0001765091 · 10% owner

MPM BIOVENTURES 2018 (B), L.P. · CIK 0001729504 · 10% owner

MPM ASSET MANAGEMENT INVESTORS BV2018 LLC · CIK 0001734817 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Indirect · See Footnote

Disclosed balance after: 3,179,410

F1 · kind: Transaction effected pursuant to a plan established pursuant to Rule 10b5-1.

F5 · shares: The shares were sold as follows: 12,469 by BV 2014, 429 by AM BV2014, 7,875 by BV 2018 and 156 by AM BV2018.

F6 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $26.95 to $27.335 inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.

F7 · ownership.nature: The shares are held as follows: 1,797,769 by BV 2014, 107,713 by BV 2014(B), 61,876 by AM BV2014, 1,135,432 by BV 2018, 54,213 by BV 2018(B) and 22,407 by AM BV2018. Each of the Reporting Persons disclaims beneficial ownership of the securities herein except to the extent of his or its respective pecuniary interest therein, if any.

Read SEC document
October 12, 2021 Filed Oct 14, 2021 21:27 UTC iTeos Therapeutics, Inc. ITOS · Entity 75965 SaleCommon Stock 8,521 $27.09 $230,833.89
Disclosure

SEC source: 0001209191-21-060490 · doc4.xml · nonDerivative · entry 1

MPM BioVentures 2014, L.P. · CIK 0001609492 · 10% owner

EVNIN LUKE · CIK 0001134657 · 10% owner

Foley Todd · CIK 0001473930 · 10% owner

MPM BioVentures 2014 (B), L.P. · CIK 0001609493 · 10% owner

MPM Asset Management Investors BV2014 LLC · CIK 0001609495 · 10% owner

MPM BioVentures 2014 LLC · CIK 0001765021 · 10% owner

MPM BioVentures 2014 GP LLC · CIK 0001765091 · 10% owner

MPM BIOVENTURES 2018 (B), L.P. · CIK 0001729504 · 10% owner

MPM ASSET MANAGEMENT INVESTORS BV2018 LLC · CIK 0001734817 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Indirect · See Footnote

Disclosed balance after: 3,200,339

F1 · kind: Transaction effected pursuant to a plan established pursuant to Rule 10b5-1.

F2 · shares: The shares were sold as follows: 5,077 by MPM BioVentures 2014, L.P. ("BV 2014"), 175 by MPM Asset Management Investors BV2014 LLC ("AM BV2014"), 3,206 by MPM BioVentures 2018, L.P. ("BV 2018") and 63 by MPM Asset Management Investors BV2018 LLC ("AM BV2018"). MPM BioVentures 2014 GP LLC and MPM BioVentures 2014 LLC ("BV 2014 LLC") are the direct and indirect general partners of BV 2014 and BV 2014(B). BV 2014 LLC is the manager of AM BV2014. MPM BioVentures 2018 GP LLC and MPM BioVentures 2018 LLC ("BV 2018 LLC") are the direct and indirect general partners of BV 2018 and BV 2018(B). BV 2018 LLC is the manager of AM BV2018. Messrs. Evnin and Foley are managing directors of BV 2014 LLC and BV 2018 LLC.

F3 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $26.95 to $27.28 inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.

F4 · ownership.nature: The shares are held as follows: 1,810,238, by BV 2014, 107,713 by MPM BioVentures 2014(B), L.P. ("BV 2014(B)"), 62,305 by AM BV2014, 1,143,307 by BV 2018, 54,213 by MPM BioVentures 2018(B), L.P. ("BV 2018(B)") and 22,563 by AM BV2018. The Reporting Person disclaims beneficial ownership of the securities except to the extent of his or its respective pecuniary interest therein.

Read SEC document
October 11, 2021 Filed Oct 12, 2021 20:34 UTC iTeos Therapeutics, Inc. ITOS · Entity 75965 SaleCommon Stock 48,812 $27.24 $1,329,638.88
Disclosure

SEC source: 0001209191-21-060236 · doc4.xml · nonDerivative · entry 3

MPM BioVentures 2014, L.P. · CIK 0001609492 · 10% owner

EVNIN LUKE · CIK 0001134657 · 10% owner

Foley Todd · CIK 0001473930 · 10% owner

MPM BioVentures 2014 (B), L.P. · CIK 0001609493 · 10% owner

MPM Asset Management Investors BV2014 LLC · CIK 0001609495 · 10% owner

MPM BioVentures 2014 LLC · CIK 0001765021 · 10% owner

MPM BioVentures 2014 GP LLC · CIK 0001765091 · 10% owner

MPM BIOVENTURES 2018 (B), L.P. · CIK 0001729504 · 10% owner

MPM ASSET MANAGEMENT INVESTORS BV2018 LLC · CIK 0001734817 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Indirect · See Footnote

Disclosed balance after: 3,208,860

F1 · kind: Transaction effected pursuant to a plan established pursuant to Rule 10b5-1.

F8 · shares: The shares were sold as follows: 29,081 by BV 2014, 1,001 by AM BV2014, 18,367 by BV 2018 and 363 by AM BV2018.

F9 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $26.95 to $27.53 inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.

F10 · ownership.nature: The shares are held as follows: 1,815,315 by BV 2014, 107,713 by BV 2014(B), 62,480 by AM BV2014, 1,146,513 by BV 2018, 54,213 by BV 2018(B) and 22,626 by AM BV2018. The Reporting Person disclaims beneficial ownership of the securities except to the extent of his or its respective pecuniary interest therein.

Read SEC document
October 08, 2021 Filed Oct 12, 2021 20:34 UTC iTeos Therapeutics, Inc. ITOS · Entity 75965 SaleCommon Stock 2,032 $27.01 $54,884.32
Disclosure

SEC source: 0001209191-21-060236 · doc4.xml · nonDerivative · entry 2

MPM BioVentures 2014, L.P. · CIK 0001609492 · 10% owner

EVNIN LUKE · CIK 0001134657 · 10% owner

Foley Todd · CIK 0001473930 · 10% owner

MPM BioVentures 2014 (B), L.P. · CIK 0001609493 · 10% owner

MPM Asset Management Investors BV2014 LLC · CIK 0001609495 · 10% owner

MPM BioVentures 2014 LLC · CIK 0001765021 · 10% owner

MPM BioVentures 2014 GP LLC · CIK 0001765091 · 10% owner

MPM BIOVENTURES 2018 (B), L.P. · CIK 0001729504 · 10% owner

MPM ASSET MANAGEMENT INVESTORS BV2018 LLC · CIK 0001734817 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Indirect · See Footnote

Disclosed balance after: 3,257,672

F1 · kind: Transaction effected pursuant to a plan established pursuant to Rule 10b5-1.

F5 · shares: The shares were sold as follows: 1,210 by BV 2014, 42 by AM BV2014, 765 by BV 2018 and 15 by AM BV2018.

F6 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $26.97 to $27.035 inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.

F7 · ownership.nature: The shares are held as follows: 1,844,396 by BV 2014, 107,713 by BV 2014(B), 63,481 by AM BV2014, 1,164,880 by BV 2018, 54,213 by BV 2018(B) and 22,989 by AM BV2018. Each of the Reporting Persons disclaims beneficial ownership of the securities herein except to the extent of his or its respective pecuniary interest therein, if any.

Read SEC document
October 07, 2021 Filed Oct 12, 2021 20:34 UTC iTeos Therapeutics, Inc. ITOS · Entity 75965 SaleCommon Stock 1,149 $27.00 $31,023.00
Disclosure

SEC source: 0001209191-21-060236 · doc4.xml · nonDerivative · entry 1

MPM BioVentures 2014, L.P. · CIK 0001609492 · 10% owner

EVNIN LUKE · CIK 0001134657 · 10% owner

Foley Todd · CIK 0001473930 · 10% owner

MPM BioVentures 2014 (B), L.P. · CIK 0001609493 · 10% owner

MPM Asset Management Investors BV2014 LLC · CIK 0001609495 · 10% owner

MPM BioVentures 2014 LLC · CIK 0001765021 · 10% owner

MPM BioVentures 2014 GP LLC · CIK 0001765091 · 10% owner

MPM BIOVENTURES 2018 (B), L.P. · CIK 0001729504 · 10% owner

MPM ASSET MANAGEMENT INVESTORS BV2018 LLC · CIK 0001734817 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Indirect · See Footnote

Disclosed balance after: 3,259,704

F1 · kind: Transaction effected pursuant to a plan established pursuant to Rule 10b5-1.

F2 · shares: The shares were sold as follows: 684 by MPM BioVentures 2014, L.P. ("BV 2014"), 24 by MPM Asset Management Investors BV2014 LLC ("AM BV2014"), 432 by MPM BioVentures 2018, L.P. ("BV 2018") and 9 by MPM Asset Management Investors BV2018 LLC ("AM BV2018"). MPM BioVentures 2014 GP LLC and MPM BioVentures 2014 LLC ("BV 2014 LLC") are the direct and indirect general partners of BV 2014 and BV 2014(B). BV 2014 LLC is the manager of AM BV2014. MPM BioVentures 2018 GP LLC and MPM BioVentures 2018 LLC ("BV 2018 LLC") are the direct and indirect general partners of BV 2018 and BV 2018(B). BV 2018 LLC is the manager of AM BV2018. Messrs. Evnin and Foley are managing directors of BV 2014 LLC and BV 2018 LLC.

F3 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $26.95 to $27.07 inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.

F4 · ownership.nature: The shares are held as follows: 1,845,606 ,by BV 2014, 107,713 by MPM BioVentures 2014(B), L.P. ("BV 2014(B)"), 63,523 by AM BV2014, 1,165,645 by BV 2018, 54,213 by MPM BioVentures 2018(B), L.P. ("BV 2018(B)") and 23,004 by AM BV2018. The Reporting Person disclaims beneficial ownership of the securities except to the extent of his or its respective pecuniary interest therein.

Read SEC document
October 04, 2021 Filed Oct 5, 2021 20:32 UTC iTeos Therapeutics, Inc. ITOS · Entity 75965 SaleCommon Stock 20,711 $27.06 $560,439.66
Disclosure

SEC source: 0001209191-21-059426 · doc4.xml · nonDerivative · entry 2

MPM BioVentures 2014, L.P. · CIK 0001609492 · 10% owner

EVNIN LUKE · CIK 0001134657 · 10% owner

Foley Todd · CIK 0001473930 · 10% owner

MPM BioVentures 2014 (B), L.P. · CIK 0001609493 · 10% owner

MPM Asset Management Investors BV2014 LLC · CIK 0001609495 · 10% owner

MPM BioVentures 2014 LLC · CIK 0001765021 · 10% owner

MPM BioVentures 2014 GP LLC · CIK 0001765091 · 10% owner

MPM BIOVENTURES 2018 (B), L.P. · CIK 0001729504 · 10% owner

MPM ASSET MANAGEMENT INVESTORS BV2018 LLC · CIK 0001734817 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Indirect · See Footnote

Disclosed balance after: 3,260,853

F1 · kind: Transaction effected pursuant to a plan established pursuant to Rule 10b5-1.

F5 · shares: The shares were sold as follows: 12,339 by BV 2014, 425 by AM BV2014, 7,793 by BV 2018 and 154 by AM BV2018.

F6 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $26.95 to $27.19 inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.

F7 · ownership.nature: The shares are held as follows: 1,846,290 by BV 2014, 107,713 by BV 2014(B), 63,547 by AM BV2014, 1,166,077 by BV 2018, 54,213 by BV 2018(B) and 23,013 by AM BV2018. Each of the Reporting Persons disclaims beneficial ownership of the securities herein except to the extent of his or its respective pecuniary interest therein, if any.

Read SEC document
October 01, 2021 Filed Oct 5, 2021 20:32 UTC iTeos Therapeutics, Inc. ITOS · Entity 75965 SaleCommon Stock 6,855 $27.00 $185,085.00
Disclosure

SEC source: 0001209191-21-059426 · doc4.xml · nonDerivative · entry 1

MPM BioVentures 2014, L.P. · CIK 0001609492 · 10% owner

EVNIN LUKE · CIK 0001134657 · 10% owner

Foley Todd · CIK 0001473930 · 10% owner

MPM BioVentures 2014 (B), L.P. · CIK 0001609493 · 10% owner

MPM Asset Management Investors BV2014 LLC · CIK 0001609495 · 10% owner

MPM BioVentures 2014 LLC · CIK 0001765021 · 10% owner

MPM BioVentures 2014 GP LLC · CIK 0001765091 · 10% owner

MPM BIOVENTURES 2018 (B), L.P. · CIK 0001729504 · 10% owner

MPM ASSET MANAGEMENT INVESTORS BV2018 LLC · CIK 0001734817 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Indirect · See Footnote

Disclosed balance after: 3,281,564

F1 · kind: Transaction effected pursuant to a plan established pursuant to Rule 10b5-1.

F2 · shares: The shares were sold as follows: 4,084 by MPM BioVentures 2014, L.P. ("BV 2014"), 141 by MPM Asset Management Investors BV2014 LLC ("AM BV2014"), 2,579 by MPM BioVentures 2018, L.P. ("BV 2018") and 51 by MPM Asset Management Investors BV2018 LLC ("AM BV2018"). MPM BioVentures 2014 GP LLC and MPM BioVentures 2014 LLC ("BV 2014 LLC") are the direct and indirect general partners of BV 2014 and BV 2014(B). BV 2014 LLC is the manager of AM BV2014. MPM BioVentures 2018 GP LLC and MPM BioVentures 2018 LLC ("BV 2018 LLC") are the direct and indirect general partners of BV 2018 and BV 2018(B). BV 2018 LLC is the manager of AM BV2018. Messrs. Evnin and Foley are managing directors of BV 2014 LLC and BV 2018 LLC.

F3 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $26.95 to $27.07 inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.

F4 · ownership.nature: The shares are held as follows: 1,858,629 by BV 2014, 107,713 by MPM BioVentures 2014(B), L.P. ("BV 2014(B)"), 63,972 by AM BV2014, 1,173,870 by BV 2018, 54,213 by MPM BioVentures 2018(B), L.P. ("BV 2018(B)") and 23,167 by AM BV2018. The Reporting Person disclaims beneficial ownership of the securities except to the extent of his or its respective pecuniary interest therein.

Read SEC document
September 30, 2021 Filed Sep 30, 2021 21:06 UTC iTeos Therapeutics, Inc. ITOS · Entity 75965 SaleCommon Stock 2,292 $27.00 $61,884.00
Disclosure

SEC source: 0001209191-21-058209 · doc4.xml · nonDerivative · entry 2

MPM BioVentures 2014, L.P. · CIK 0001609492 · 10% owner

EVNIN LUKE · CIK 0001134657 · 10% owner

Foley Todd · CIK 0001473930 · 10% owner

MPM BioVentures 2014 (B), L.P. · CIK 0001609493 · 10% owner

MPM Asset Management Investors BV2014 LLC · CIK 0001609495 · 10% owner

MPM BioVentures 2014 LLC · CIK 0001765021 · 10% owner

MPM BioVentures 2014 GP LLC · CIK 0001765091 · 10% owner

MPM BIOVENTURES 2018 (B), L.P. · CIK 0001729504 · 10% owner

MPM ASSET MANAGEMENT INVESTORS BV2018 LLC · CIK 0001734817 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Indirect · See Footnote

Disclosed balance after: 3,288,419

F1 · kind: Transaction effected pursuant to a plan established pursuant to Rule 10b5-1.

F5 · shares: The shares were sold as follows: 1,366 by BV 2014, 47 by AM BV2014, 862 by BV 2018 and 17 by AM BV2018.

F6 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $26.955 to $27.05 inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.

F7 · ownership.nature: The shares are held as follows: 1,862,713 by BV 2014, 107,713 by BV 2014(B), 64,113 by AM BV2014, 1,176,449 by BV 2018, 54,213 by BV 2018(B) and 23,218 by AM BV2018. Each of the Reporting Persons disclaims beneficial ownership of the securities herein except to the extent of his or its respective pecuniary interest therein, if any.

Read SEC document
September 28, 2021 Filed Sep 30, 2021 21:06 UTC iTeos Therapeutics, Inc. ITOS · Entity 75965 SaleCommon Stock 19,214 $27.00 $518,778.00
Disclosure

SEC source: 0001209191-21-058209 · doc4.xml · nonDerivative · entry 1

MPM BioVentures 2014, L.P. · CIK 0001609492 · 10% owner

EVNIN LUKE · CIK 0001134657 · 10% owner

Foley Todd · CIK 0001473930 · 10% owner

MPM BioVentures 2014 (B), L.P. · CIK 0001609493 · 10% owner

MPM Asset Management Investors BV2014 LLC · CIK 0001609495 · 10% owner

MPM BioVentures 2014 LLC · CIK 0001765021 · 10% owner

MPM BioVentures 2014 GP LLC · CIK 0001765091 · 10% owner

MPM BIOVENTURES 2018 (B), L.P. · CIK 0001729504 · 10% owner

MPM ASSET MANAGEMENT INVESTORS BV2018 LLC · CIK 0001734817 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Indirect · See Footnote

Disclosed balance after: 3,290,711

F1 · kind: Transaction effected pursuant to a plan established pursuant to Rule 10b5-1.

F2 · shares: The shares were sold as follows: 11,447 by MPM BioVentures 2014, L.P. ("BV 2014"), 394 by MPM Asset Management Investors BV2014 LLC ("AM BV2014"), 7,230 by MPM BioVentures 2018, L.P. ("BV 2018") and 143 by MPM Asset Management Investors BV2018 LLC ("AM BV2018"). MPM BioVentures 2014 GP LLC and MPM BioVentures 2014 LLC ("BV 2014 LLC") are the direct and indirect general partners of BV 2014 and BV 2014(B). BV 2014 LLC is the manager of AM BV2014. MPM BioVentures 2018 GP LLC and MPM BioVentures 2018 LLC ("BV 2018 LLC") are the direct and indirect general partners of BV 2018 and BV 2018(B). BV 2018 LLC is the manager of AM BV2018. Messrs. Evnin and Foley are managing directors of BV 2014 LLC and BV 2018 LLC.

F3 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $26.95 to $27.10 inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.

F4 · ownership.nature: The shares are held as follows: 1,864,079 by BV 2014, 107,713 by MPM BioVentures 2014(B), L.P. ("BV 2014(B)"), 64,160 by AM BV2014, 1,177,311 by BV 2018, 54,213 by MPM BioVentures 2018(B), L.P. ("BV 2018(B)") and 23,235 by AM BV2018. The Reporting Person disclaims beneficial ownership of the securities except to the extent of his or its respective pecuniary interest therein.

Read SEC document
September 27, 2021 Filed Sep 27, 2021 21:51 UTC iTeos Therapeutics, Inc. ITOS · Entity 75965 SaleCommon Stock 11,625 $27.09 $314,921.25
Disclosure

SEC source: 0001209191-21-057823 · doc4.xml · nonDerivative · entry 4

MPM BioVentures 2014, L.P. · CIK 0001609492 · 10% owner

EVNIN LUKE · CIK 0001134657 · 10% owner

Foley Todd · CIK 0001473930 · 10% owner

MPM BioVentures 2014 (B), L.P. · CIK 0001609493 · 10% owner

MPM Asset Management Investors BV2014 LLC · CIK 0001609495 · 10% owner

MPM BioVentures 2014 LLC · CIK 0001765021 · 10% owner

MPM BioVentures 2014 GP LLC · CIK 0001765091 · 10% owner

MPM BIOVENTURES 2018 (B), L.P. · CIK 0001729504 · 10% owner

MPM ASSET MANAGEMENT INVESTORS BV2018 LLC · CIK 0001734817 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Indirect · See Footnote

Disclosed balance after: 3,309,925

F1 · kind: Transaction effected pursuant to a plan established pursuant to Rule 10b5-1.

F11 · shares: The shares were sold as follows: 6,926 by BV 2014, 238 by AM BV2014, 4,375 by BV 2018 and 86 by AM BV2018.

F12 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $26.95 to $27.40 inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.

F13 · ownership.nature: The shares are held as follows: 1,875,526 by BV 2014, 107,713 by BV 2014(B), 64,554 by AM BV2014, 1,184,541 by BV 2018, 54,213 by BV 2018(B) and 23,378 by AM BV2018. The Reporting Person disclaims beneficial ownership of the securities except to the extent of his or its respective pecuniary interest therein.

Read SEC document
September 24, 2021 Filed Sep 27, 2021 21:51 UTC iTeos Therapeutics, Inc. ITOS · Entity 75965 SaleCommon Stock 4,913 $27.81 $136,630.53
Disclosure

SEC source: 0001209191-21-057823 · doc4.xml · nonDerivative · entry 3

MPM BioVentures 2014, L.P. · CIK 0001609492 · 10% owner

EVNIN LUKE · CIK 0001134657 · 10% owner

Foley Todd · CIK 0001473930 · 10% owner

MPM BioVentures 2014 (B), L.P. · CIK 0001609493 · 10% owner

MPM Asset Management Investors BV2014 LLC · CIK 0001609495 · 10% owner

MPM BioVentures 2014 LLC · CIK 0001765021 · 10% owner

MPM BioVentures 2014 GP LLC · CIK 0001765091 · 10% owner

MPM BIOVENTURES 2018 (B), L.P. · CIK 0001729504 · 10% owner

MPM ASSET MANAGEMENT INVESTORS BV2018 LLC · CIK 0001734817 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Indirect · See Footnote

Disclosed balance after: 3,321,550

F1 · kind: Transaction effected pursuant to a plan established pursuant to Rule 10b5-1.

F8 · shares: The shares were sold as follows: 2,927 by BV 2014, 101 by AM BV2014, 1,849 by BV 2018 and 36 by AM BV2018.

F9 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $27.39 to $28.26 inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.

F10 · ownership.nature: The shares are held as follows: 1,882,452 by BV 2014, 107,713 by BV 2014(B), 64,792 by AM BV2014, 1,188,916 by BV 2018, 54,213 by BV 2018(B) and 23,464 by AM BV2018. The Reporting Person disclaims beneficial ownership of the securities except to the extent of his or its respective pecuniary interest therein.

Read SEC document
September 23, 2021 Filed Sep 27, 2021 21:51 UTC iTeos Therapeutics, Inc. ITOS · Entity 75965 SaleCommon Stock 717 $28.38 $20,348.46
Disclosure

SEC source: 0001209191-21-057823 · doc4.xml · nonDerivative · entry 2

MPM BioVentures 2014, L.P. · CIK 0001609492 · 10% owner

EVNIN LUKE · CIK 0001134657 · 10% owner

Foley Todd · CIK 0001473930 · 10% owner

MPM BioVentures 2014 (B), L.P. · CIK 0001609493 · 10% owner

MPM Asset Management Investors BV2014 LLC · CIK 0001609495 · 10% owner

MPM BioVentures 2014 LLC · CIK 0001765021 · 10% owner

MPM BioVentures 2014 GP LLC · CIK 0001765091 · 10% owner

MPM BIOVENTURES 2018 (B), L.P. · CIK 0001729504 · 10% owner

MPM ASSET MANAGEMENT INVESTORS BV2018 LLC · CIK 0001734817 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Indirect · See Footnote

Disclosed balance after: 3,326,463

F1 · kind: Transaction effected pursuant to a plan established pursuant to Rule 10b5-1.

F5 · shares: The shares were sold as follows: 427 by BV 2014, 15 by AM BV2014, 270 by BV 2018 and 5 by AM BV2018.

F6 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $28.26 to $28.46 inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.

F7 · ownership.nature: The shares are held as follows: 1,885,379 by BV 2014, 107,713 by BV 2014(B), 64,893 by AM BV2014, 1,190,765 by BV 2018, 54,213 by BV 2018(B) and 23,500 by AM BV2018. Each of the Reporting Persons disclaims beneficial ownership of the securities herein except to the extent of his or its respective pecuniary interest therein, if any.

Read SEC document
September 23, 2021 Filed Sep 27, 2021 21:51 UTC iTeos Therapeutics, Inc. ITOS · Entity 75965 SaleCommon Stock 36,213 $27.96 $1,012,515.48
Disclosure

SEC source: 0001209191-21-057823 · doc4.xml · nonDerivative · entry 1

MPM BioVentures 2014, L.P. · CIK 0001609492 · 10% owner

EVNIN LUKE · CIK 0001134657 · 10% owner

Foley Todd · CIK 0001473930 · 10% owner

MPM BioVentures 2014 (B), L.P. · CIK 0001609493 · 10% owner

MPM Asset Management Investors BV2014 LLC · CIK 0001609495 · 10% owner

MPM BioVentures 2014 LLC · CIK 0001765021 · 10% owner

MPM BioVentures 2014 GP LLC · CIK 0001765091 · 10% owner

MPM BIOVENTURES 2018 (B), L.P. · CIK 0001729504 · 10% owner

MPM ASSET MANAGEMENT INVESTORS BV2018 LLC · CIK 0001734817 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Indirect · See Footnote

Disclosed balance after: 3,327,180

F1 · kind: Transaction effected pursuant to a plan established pursuant to Rule 10b5-1.

F2 · shares: The shares were sold as follows: 21,575 by MPM BioVentures 2014, L.P. ("BV 2014"), 743 by MPM Asset Management Investors BV2014 LLC ("AM BV2014"), 13,626 by MPM BioVentures 2018, L.P. ("BV 2018") and 269 by MPM Asset Management Investors BV2018 LLC ("AM BV2018"). MPM BioVentures 2014 GP LLC and MPM BioVentures 2014 LLC ("BV 2014 LLC") are the direct and indirect general partners of BV 2014 and BV 2014(B). BV 2014 LLC is the manager of AM BV2014. MPM BioVentures 2018 GP LLC and MPM BioVentures 2018 LLC ("BV 2018 LLC") are the direct and indirect general partners of BV 2018 and BV 2018(B). BV 2018 LLC is the manager of AM BV2018. Messrs. Evnin and Foley are managing directors of BV 2014 LLC and BV 2018 LLC.

F3 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $27.25 to $28.24 inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.

F4 · ownership.nature: The shares are held as follows: 1,885,806 by BV 2014, 107,713 by MPM BioVentures 2014(B), L.P. ("BV 2014(B)"), 64,908 by AM BV2014, 1,191,035 by BV 2018, 54,213 by MPM BioVentures 2018(B), L.P. ("BV 2018(B)") and 23,505 by AM BV2018. The Reporting Person disclaims beneficial ownership of the securities except to the extent of his or its respective pecuniary interest therein.

Read SEC document
September 22, 2021 Filed Sep 23, 2021 20:19 UTC iTeos Therapeutics, Inc. ITOS · Entity 75965 SaleCommon Stock 14,294 $27.54 $393,656.76
Disclosure

SEC source: 0001209191-21-057414 · doc4.xml · nonDerivative · entry 2

MPM BioVentures 2014, L.P. · CIK 0001609492 · 10% owner

EVNIN LUKE · CIK 0001134657 · 10% owner

Foley Todd · CIK 0001473930 · 10% owner

MPM BioVentures 2014 (B), L.P. · CIK 0001609493 · 10% owner

MPM Asset Management Investors BV2014 LLC · CIK 0001609495 · 10% owner

MPM BioVentures 2014 LLC · CIK 0001765021 · 10% owner

MPM BioVentures 2014 GP LLC · CIK 0001765091 · 10% owner

MPM BIOVENTURES 2018 (B), L.P. · CIK 0001729504 · 10% owner

MPM ASSET MANAGEMENT INVESTORS BV2018 LLC · CIK 0001734817 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Indirect · See Footnote

Disclosed balance after: 3,363,393

F1 · kind: Transaction effected pursuant to a plan established pursuant to Rule 10b5-1.

F5 · shares: The shares were sold as follows: 8,516 by BV 2014, 293 by AM BV2014, 5,379 by BV 2018 and 106 by AM BV2018.

F6 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $27.03 to $27.75 inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.

F7 · ownership.nature: The shares are held as follows: 1,907,381 by BV 2014, 107,713 by BV 2014(B), 65,651 by AM BV2014, 1,204,661 by BV 2018, 54,213 by BV 2018(B) and 23,774 by AM BV2018. Each of the Reporting Persons disclaims beneficial ownership of the securities herein except to the extent of his or its respective pecuniary interest therein, if any.

Read SEC document
September 21, 2021 Filed Sep 23, 2021 20:19 UTC iTeos Therapeutics, Inc. ITOS · Entity 75965 SaleCommon Stock 19,635 $27.47 $539,373.45
Disclosure

SEC source: 0001209191-21-057414 · doc4.xml · nonDerivative · entry 1

MPM BioVentures 2014, L.P. · CIK 0001609492 · 10% owner

EVNIN LUKE · CIK 0001134657 · 10% owner

Foley Todd · CIK 0001473930 · 10% owner

MPM BioVentures 2014 (B), L.P. · CIK 0001609493 · 10% owner

MPM Asset Management Investors BV2014 LLC · CIK 0001609495 · 10% owner

MPM BioVentures 2014 LLC · CIK 0001765021 · 10% owner

MPM BioVentures 2014 GP LLC · CIK 0001765091 · 10% owner

MPM BIOVENTURES 2018 (B), L.P. · CIK 0001729504 · 10% owner

MPM ASSET MANAGEMENT INVESTORS BV2018 LLC · CIK 0001734817 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Indirect · See Footnote

Disclosed balance after: 3,377,687

F1 · kind: Transaction effected pursuant to a plan established pursuant to Rule 10b5-1.

F2 · shares: The shares were sold as follows: 11,698 by MPM BioVentures 2014, L.P. ("BV 2014"), 403 by MPM Asset Management Investors BV2014 LLC ("AM BV2014"), 7,388 by MPM BioVentures 2018, L.P. ("BV 2018") and 146 by MPM Asset Management Investors BV2018 LLC ("AM BV2018"). MPM BioVentures 2014 GP LLC and MPM BioVentures 2014 LLC ("BV 2014 LLC") are the direct and indirect general partners of BV 2014 and BV 2014(B). BV 2014 LLC is the manager of AM BV2014. MPM BioVentures 2018 GP LLC and MPM BioVentures 2018 LLC ("BV 2018 LLC") are the direct and indirect general partners of BV 2018 and BV 2018(B). BV 2018 LLC is the manager of AM BV2018. Messrs. Evnin and Foley are managing directors of BV 2014 LLC and BV 2018 LLC.

F3 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $26.98 to $27.72 inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.

F4 · ownership.nature: The shares are held as follows: 1,915,897 by BV 2014, 107,713 by MPM BioVentures 2014(B), L.P. ("BV 2014(B)"), 65,944 by AM BV2014, 1,210,040 by BV 2018, 54,213 by MPM BioVentures 2018(B), L.P. ("BV 2018(B)") and 23,880 by AM BV2018. The Reporting Person disclaims beneficial ownership of the securities except to the extent of his pecuniary interest therein.

Read SEC document
September 20, 2021 Filed Sep 20, 2021 22:38 UTC iTeos Therapeutics, Inc. ITOS · Entity 75965 SaleCommon Stock 13,701 $27.84 $381,435.84
Disclosure

SEC source: 0001209191-21-056950 · doc4.xml · nonDerivative · entry 4

MPM BioVentures 2014, L.P. · CIK 0001609492 · 10% owner

EVNIN LUKE · CIK 0001134657 · 10% owner

Foley Todd · CIK 0001473930 · 10% owner

MPM BioVentures 2014 (B), L.P. · CIK 0001609493 · 10% owner

MPM Asset Management Investors BV2014 LLC · CIK 0001609495 · 10% owner

MPM BioVentures 2014 LLC · CIK 0001765021 · 10% owner

MPM BioVentures 2014 GP LLC · CIK 0001765091 · 10% owner

MPM BIOVENTURES 2018 (B), L.P. · CIK 0001729504 · 10% owner

MPM ASSET MANAGEMENT INVESTORS BV2018 LLC · CIK 0001734817 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Indirect · See Footnote

Disclosed balance after: 3,397,322

F1 · kind: Transaction effected pursuant to a plan established pursuant to Rule 10b5-1.

F11 · shares: The shares were sold as follows: 8,163 by BV 2014, 281 by AM BV2014, 5,156 by BV 2018 and 101 by AM BV2018.

F12 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $27.53 to $28.39 inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.

F13 · ownership.nature: The shares are held as follows: 1,927,595 by BV 2014, 107,713 by BV 2014(B), 66,347 by AM BV2014, 1,217,428 by BV 2018, 54,213 by BV 2018(B) and 24,026 by AM BV2018. The Reporting Person disclaims beneficial ownership of the securities except to the extent of his pecuniary interest therein.

Read SEC document
September 20, 2021 Filed Sep 20, 2021 22:38 UTC iTeos Therapeutics, Inc. ITOS · Entity 75965 SaleCommon Stock 10,602 $27.03 $286,572.06
Disclosure

SEC source: 0001209191-21-056950 · doc4.xml · nonDerivative · entry 3

MPM BioVentures 2014, L.P. · CIK 0001609492 · 10% owner

EVNIN LUKE · CIK 0001134657 · 10% owner

Foley Todd · CIK 0001473930 · 10% owner

MPM BioVentures 2014 (B), L.P. · CIK 0001609493 · 10% owner

MPM Asset Management Investors BV2014 LLC · CIK 0001609495 · 10% owner

MPM BioVentures 2014 LLC · CIK 0001765021 · 10% owner

MPM BioVentures 2014 GP LLC · CIK 0001765091 · 10% owner

MPM BIOVENTURES 2018 (B), L.P. · CIK 0001729504 · 10% owner

MPM ASSET MANAGEMENT INVESTORS BV2018 LLC · CIK 0001734817 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Indirect · See Footnote

Disclosed balance after: 3,411,023

F1 · kind: Transaction effected pursuant to a plan established pursuant to Rule 10b5-1.

F8 · shares: The shares were sold as follows: 6,317 by BV 2014, 217 by AM BV2014, 3,990 by BV 2018 and 78 by AM BV2018.

F9 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $26.535 to $27.52 inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.

F10 · ownership.nature: The shares are held as follows: 1,935,758 by BV 2014, 107,713 by BV 2014(B), 66,628 by AM BV2014, 1,222,584 by BV 2018, 54,213 by BV 2018(B) and 24,127 by AM BV2018. The Reporting Person disclaims beneficial ownership of the securities except to the extent of his pecuniary interest therein.

Read SEC document
September 17, 2021 Filed Sep 20, 2021 22:38 UTC iTeos Therapeutics, Inc. ITOS · Entity 75965 SaleCommon Stock 45,698 $28.82 $1,317,016.36
Disclosure

SEC source: 0001209191-21-056950 · doc4.xml · nonDerivative · entry 2

MPM BioVentures 2014, L.P. · CIK 0001609492 · 10% owner

EVNIN LUKE · CIK 0001134657 · 10% owner

Foley Todd · CIK 0001473930 · 10% owner

MPM BioVentures 2014 (B), L.P. · CIK 0001609493 · 10% owner

MPM Asset Management Investors BV2014 LLC · CIK 0001609495 · 10% owner

MPM BioVentures 2014 LLC · CIK 0001765021 · 10% owner

MPM BioVentures 2014 GP LLC · CIK 0001765091 · 10% owner

MPM BIOVENTURES 2018 (B), L.P. · CIK 0001729504 · 10% owner

MPM ASSET MANAGEMENT INVESTORS BV2018 LLC · CIK 0001734817 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Indirect · See Footnote

Disclosed balance after: 3,421,625

F1 · kind: Transaction effected pursuant to a plan established pursuant to Rule 10b5-1.

F5 · shares: The shares were sold as follows: 27,226 by BV 2014, 937 by AM BV2014, 17,195 by BV 2018 and 340 by AM BV2018.

F6 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $28.50 to $29.11 inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.

F7 · ownership.nature: The shares are held as follows: 1,942,075 by BV 2014, 107,713 by BV 2014(B), 66,845 by AM BV2014, 1,226 574 by BV 2018, 54,213 by BV 2018(B) and 24,205 by AM BV2018. Each of the Reporting Persons disclaims beneficial ownership of the securities herein except to the extent of his or its respective pecuniary interest therein, if any.

Read SEC document
September 16, 2021 Filed Sep 20, 2021 22:38 UTC iTeos Therapeutics, Inc. ITOS · Entity 75965 SaleCommon Stock 21,253 $28.47 $605,072.91
Disclosure

SEC source: 0001209191-21-056950 · doc4.xml · nonDerivative · entry 1

MPM BioVentures 2014, L.P. · CIK 0001609492 · 10% owner

EVNIN LUKE · CIK 0001134657 · 10% owner

Foley Todd · CIK 0001473930 · 10% owner

MPM BioVentures 2014 (B), L.P. · CIK 0001609493 · 10% owner

MPM Asset Management Investors BV2014 LLC · CIK 0001609495 · 10% owner

MPM BioVentures 2014 LLC · CIK 0001765021 · 10% owner

MPM BioVentures 2014 GP LLC · CIK 0001765091 · 10% owner

MPM BIOVENTURES 2018 (B), L.P. · CIK 0001729504 · 10% owner

MPM ASSET MANAGEMENT INVESTORS BV2018 LLC · CIK 0001734817 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Indirect · See Footnote

Disclosed balance after: 3,467,323

F1 · kind: Transaction effected pursuant to a plan established pursuant to Rule 10b5-1.

F2 · shares: The shares were sold as follows: 12,662 by MPM BioVentures 2014, L.P. ("BV 2014"), 436 by MPM Asset Management Investors BV2014 LLC ("AM BV2014"), 7,997 by MPM BioVentures 2018, L.P. ("BV 2018") and 158 by MPM Asset Management Investors BV2018 LLC ("AM BV2018"). MPM BioVentures 2014 GP LLC and MPM BioVentures 2014 LLC ("BV 2014 LLC") are the direct and indirect general partners of BV 2014 and BV 2014(B). BV 2014 LLC is the manager of AM BV2014. MPM BioVentures 2018 GP LLC and MPM BioVentures 2018 LLC ("BV 2018 LLC") are the direct and indirect general partners of BV 2018 and BV 2018(B). BV 2018 LLC is the manager of AM BV2018. Messrs. Evnin and Foley are managing directors of BV 2014 LLC and BV 2018 LLC.

F3 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $27.885 to $28.69 inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.

F4 · ownership.nature: The shares are held as follows: 1,969,301 by BV 2014, 107,713 by MPM BioVentures 2014(B), L.P. ("BV 2014(B)"), 67,782 by AM BV2014, 1,243,769 by BV 2018, 54,213 by MPM BioVentures 2018(B), L.P. ("BV 2018(B)") and 24,545 by AM BV2018. The Reporting Person disclaims beneficial ownership of the securities except to the extent of his pecuniary interest therein.

Read SEC document
September 15, 2021 Filed Sep 16, 2021 20:48 UTC iTeos Therapeutics, Inc. ITOS · Entity 75965 SaleCommon Stock 991 $28.15 $27,896.65
Disclosure

SEC source: 0001209191-21-056415 · doc4.xml · nonDerivative · entry 4

MPM BioVentures 2014, L.P. · CIK 0001609492 · 10% owner

EVNIN LUKE · CIK 0001134657 · 10% owner

Foley Todd · CIK 0001473930 · 10% owner

MPM BioVentures 2014 (B), L.P. · CIK 0001609493 · 10% owner

MPM Asset Management Investors BV2014 LLC · CIK 0001609495 · 10% owner

MPM BioVentures 2014 LLC · CIK 0001765021 · 10% owner

MPM BioVentures 2014 GP LLC · CIK 0001765091 · 10% owner

MPM BIOVENTURES 2018 (B), L.P. · CIK 0001729504 · 10% owner

MPM ASSET MANAGEMENT INVESTORS BV2018 LLC · CIK 0001734817 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Indirect · See Footnote

Disclosed balance after: 3,488,576

F1 · kind: Transaction effected pursuant to a plan established pursuant to Rule 10b5-1.

F11 · shares: The shares were sold as follows: 591 by BV 2014, 20 by AM BV2014, 373 by BV 2018 and 7 by AM BV2018.

F12 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $28.13 to $28.19 inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.

F13 · ownership.nature: The shares are held as follows: 1,981,963 by BV 2014, 107,713 by BV 2014(B), 68,218 by AM BV2014, 1,251,766 by BV 2018, 54,213 by BV 2018(B) and 24,703 by AM BV2018. The Reporting Person disclaims beneficial ownership of the securities except to the extent of his pecuniary interest therein.

Read SEC document
September 15, 2021 Filed Sep 16, 2021 20:48 UTC iTeos Therapeutics, Inc. ITOS · Entity 75965 SaleCommon Stock 23,113 $27.79 $642,310.27
Disclosure

SEC source: 0001209191-21-056415 · doc4.xml · nonDerivative · entry 3

MPM BioVentures 2014, L.P. · CIK 0001609492 · 10% owner

EVNIN LUKE · CIK 0001134657 · 10% owner

Foley Todd · CIK 0001473930 · 10% owner

MPM BioVentures 2014 (B), L.P. · CIK 0001609493 · 10% owner

MPM Asset Management Investors BV2014 LLC · CIK 0001609495 · 10% owner

MPM BioVentures 2014 LLC · CIK 0001765021 · 10% owner

MPM BioVentures 2014 GP LLC · CIK 0001765091 · 10% owner

MPM BIOVENTURES 2018 (B), L.P. · CIK 0001729504 · 10% owner

MPM ASSET MANAGEMENT INVESTORS BV2018 LLC · CIK 0001734817 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Indirect · See Footnote

Disclosed balance after: 3,489,567

F1 · kind: Transaction effected pursuant to a plan established pursuant to Rule 10b5-1.

F8 · shares: The shares were sold as follows: 13,770 by BV 2014, 474 by AM BV2014, 8,697 by BV 2018 and 172 by AM BV2018.

F9 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $27.12 to $28.11 inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.

F10 · ownership.nature: The shares are held as follows: 1,982,554 by BV 2014, 107,713 by BV 2014(B), 68,238 by AM BV2014, 1,252,139 by BV 2018, 54,213 by BV 2018(B) and 24,710 by AM BV2018. The Reporting Person disclaims beneficial ownership of the securities except to the extent of his pecuniary interest therein.

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September 14, 2021 Filed Sep 16, 2021 20:48 UTC iTeos Therapeutics, Inc. ITOS · Entity 75965 SaleCommon Stock 3,623 $27.99 $101,407.77
Disclosure

SEC source: 0001209191-21-056415 · doc4.xml · nonDerivative · entry 2

MPM BioVentures 2014, L.P. · CIK 0001609492 · 10% owner

EVNIN LUKE · CIK 0001134657 · 10% owner

Foley Todd · CIK 0001473930 · 10% owner

MPM BioVentures 2014 (B), L.P. · CIK 0001609493 · 10% owner

MPM Asset Management Investors BV2014 LLC · CIK 0001609495 · 10% owner

MPM BioVentures 2014 LLC · CIK 0001765021 · 10% owner

MPM BioVentures 2014 GP LLC · CIK 0001765091 · 10% owner

MPM BIOVENTURES 2018 (B), L.P. · CIK 0001729504 · 10% owner

MPM ASSET MANAGEMENT INVESTORS BV2018 LLC · CIK 0001734817 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Indirect · See Footnote

Disclosed balance after: 3,512,680

F1 · kind: Transaction effected pursuant to a plan established pursuant to Rule 10b5-1.

F5 · shares: The shares were sold as follows: 2,159 by BV 2014, 74 by AM BV2014, 1,363 by BV 2018 and 27 by AM BV2018.

F6 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $27.92 to $28.055 inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.

F7 · ownership.nature: The shares are held as follows: 1,996,324 by BV 2014, 107,713 by BV 2014(B), 68,712 by AM BV2014, 1,260,836 by BV 2018, 54,213 by BV 2018(B) and 24,882 by AM BV2018. Each of the Reporting Persons disclaims beneficial ownership of the securities herein except to the extent of his or its respective pecuniary interest therein, if any.

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September 14, 2021 Filed Sep 16, 2021 20:48 UTC iTeos Therapeutics, Inc. ITOS · Entity 75965 SaleCommon Stock 17,938 $27.50 $493,295.00
Disclosure

SEC source: 0001209191-21-056415 · doc4.xml · nonDerivative · entry 1

MPM BioVentures 2014, L.P. · CIK 0001609492 · 10% owner

EVNIN LUKE · CIK 0001134657 · 10% owner

Foley Todd · CIK 0001473930 · 10% owner

MPM BioVentures 2014 (B), L.P. · CIK 0001609493 · 10% owner

MPM Asset Management Investors BV2014 LLC · CIK 0001609495 · 10% owner

MPM BioVentures 2014 LLC · CIK 0001765021 · 10% owner

MPM BioVentures 2014 GP LLC · CIK 0001765091 · 10% owner

MPM BIOVENTURES 2018 (B), L.P. · CIK 0001729504 · 10% owner

MPM ASSET MANAGEMENT INVESTORS BV2018 LLC · CIK 0001734817 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Indirect · See Footnote

Disclosed balance after: 3,516,303

F1 · kind: Transaction effected pursuant to a plan established pursuant to Rule 10b5-1.

F2 · shares: The shares were sold as follows: 10,687 by MPM BioVentures 2014, L.P. ("BV 2014"), 368 by MPM Asset Management Investors BV2014 LLC ("AM BV2014"), 6,750 by MPM BioVentures 2018, L.P. ("BV 2018") and 133 by MPM Asset Management Investors BV2018 LLC ("AM BV2018"). MPM BioVentures 2014 GP LLC and MPM BioVentures 2014 LLC ("BV 2014 LLC") are the direct and indirect general partners of BV 2014 and BV 2014(B). BV 2014 LLC is the manager of AM BV2014. MPM BioVentures 2018 GP LLC and MPM BioVentures 2018 LLC ("BV 2018 LLC") are the direct and indirect general partners of BV 2018 and BV 2018(B). BV 2018 LLC is the manager of AM BV2018. Messrs. Evnin and Foley are managing directors of BV 2014 LLC and BV 2018 LLC.

F3 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $26.91 to $27.90 inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.

F4 · ownership.nature: The shares are held as follows: 1,998,483 by BV 2014, 107,713 by MPM BioVentures 2014(B), L.P. ("BV 2014(B)"), 68,786 by AM BV2014, 1,262,199 by BV 2018, 54,213 by MPM BioVentures 2018(B), L.P. ("BV 2018(B)") and 24,909 by AM BV2018. The Reporting Person disclaims beneficial ownership of the securities except to the extent of his pecuniary interest therein.

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September 13, 2021 Filed Sep 13, 2021 23:01 UTC iTeos Therapeutics, Inc. ITOS · Entity 75965 SaleCommon Stock 21,384 $27.64 $591,053.76
Disclosure

SEC source: 0001209191-21-055743 · doc4.xml · nonDerivative · entry 4

MPM BioVentures 2014, L.P. · CIK 0001609492 · 10% owner

EVNIN LUKE · CIK 0001134657 · 10% owner

Foley Todd · CIK 0001473930 · 10% owner

MPM BioVentures 2014 (B), L.P. · CIK 0001609493 · 10% owner

MPM Asset Management Investors BV2014 LLC · CIK 0001609495 · 10% owner

MPM BioVentures 2014 LLC · CIK 0001765021 · 10% owner

MPM BioVentures 2014 GP LLC · CIK 0001765091 · 10% owner

MPM BIOVENTURES 2018 (B), L.P. · CIK 0001729504 · 10% owner

MPM ASSET MANAGEMENT INVESTORS BV2018 LLC · CIK 0001734817 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Indirect · See Footnote

Disclosed balance after: 3,534,241

F1 · kind: Transaction effected pursuant to a plan established pursuant to Rule 10b5-1.

F11 · shares: The shares were sold as follows: 12,740 by BV 2014, 439 by AM BV2014, 8,046 by BV 2018 and 159 by AM BV2018.

F12 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $27.17 to $27.99 inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.

F13 · ownership.nature: The shares are held as follows: 2,009,170 by BV 2014, 107,713 by BV 2014(B), 69,154 by AM BV2014, 1,268,949 by BV 2018, 54,213 by BV 2018(B) and 25,042 by AM BV2018. The Reporting Person disclaims beneficial ownership of the securities except to the extent of his pecuniary interest therein.

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September 10, 2021 Filed Sep 13, 2021 23:01 UTC iTeos Therapeutics, Inc. ITOS · Entity 75965 SaleCommon Stock 6,771 $28.73 $194,530.83
Disclosure

SEC source: 0001209191-21-055743 · doc4.xml · nonDerivative · entry 3

MPM BioVentures 2014, L.P. · CIK 0001609492 · 10% owner

EVNIN LUKE · CIK 0001134657 · 10% owner

Foley Todd · CIK 0001473930 · 10% owner

MPM BioVentures 2014 (B), L.P. · CIK 0001609493 · 10% owner

MPM Asset Management Investors BV2014 LLC · CIK 0001609495 · 10% owner

MPM BioVentures 2014 LLC · CIK 0001765021 · 10% owner

MPM BioVentures 2014 GP LLC · CIK 0001765091 · 10% owner

MPM BIOVENTURES 2018 (B), L.P. · CIK 0001729504 · 10% owner

MPM ASSET MANAGEMENT INVESTORS BV2018 LLC · CIK 0001734817 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Indirect · See Footnote

Disclosed balance after: 3,555,625

F1 · kind: Transaction effected pursuant to a plan established pursuant to Rule 10b5-1.

F8 · shares: The shares were sold as follows: 4,034 by BV 2014, 139 by AM BV2014, 2,547 by BV 2018 and 51 by AM BV2018.

F9 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $28.46 to $28.91 inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.

F10 · ownership.nature: The shares are held as follows: 2,021,910 by BV 2014, 107,713 by BV 2014(B), 69,593 by AM BV2014, 1,276,995 by BV 2018, 54,213 by BV 2018(B) and 25,201 by AM BV2018. The Reporting Person disclaims beneficial ownership of the securities except to the extent of his pecuniary interest therein.

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September 10, 2021 Filed Sep 13, 2021 23:01 UTC iTeos Therapeutics, Inc. ITOS · Entity 75965 SaleCommon Stock 6,760 $27.86 $188,333.60
Disclosure

SEC source: 0001209191-21-055743 · doc4.xml · nonDerivative · entry 2

MPM BioVentures 2014, L.P. · CIK 0001609492 · 10% owner

EVNIN LUKE · CIK 0001134657 · 10% owner

Foley Todd · CIK 0001473930 · 10% owner

MPM BioVentures 2014 (B), L.P. · CIK 0001609493 · 10% owner

MPM Asset Management Investors BV2014 LLC · CIK 0001609495 · 10% owner

MPM BioVentures 2014 LLC · CIK 0001765021 · 10% owner

MPM BioVentures 2014 GP LLC · CIK 0001765091 · 10% owner

MPM BIOVENTURES 2018 (B), L.P. · CIK 0001729504 · 10% owner

MPM ASSET MANAGEMENT INVESTORS BV2018 LLC · CIK 0001734817 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Indirect · See Footnote

Disclosed balance after: 3,562,396

F1 · kind: Transaction effected pursuant to a plan established pursuant to Rule 10b5-1.

F5 · shares: The shares were sold as follows: 4,027 by BV 2014, 139 by AM BV2014, 2,544 by BV 2018 and 50 by AM BV2018.

F6 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $27.455 to $28.45 inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.

F7 · ownership.nature: The shares are held as follows: 2,025,944 by BV 2014, 107,713 by BV 2014(B), 69,732 by AM BV2014, 1,279,542 by BV 2018, 54,213 by BV 2018(B) and 25,252 by AM BV2018. Each of the Reporting Persons disclaims beneficial ownership of the securities herein except to the extent of his or its respective pecuniary interest therein, if any.

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September 09, 2021 Filed Sep 13, 2021 23:01 UTC iTeos Therapeutics, Inc. ITOS · Entity 75965 SaleCommon Stock 22,725 $28.97 $658,343.25
Disclosure

SEC source: 0001209191-21-055743 · doc4.xml · nonDerivative · entry 1

MPM BioVentures 2014, L.P. · CIK 0001609492 · 10% owner

EVNIN LUKE · CIK 0001134657 · 10% owner

Foley Todd · CIK 0001473930 · 10% owner

MPM BioVentures 2014 (B), L.P. · CIK 0001609493 · 10% owner

MPM Asset Management Investors BV2014 LLC · CIK 0001609495 · 10% owner

MPM BioVentures 2014 LLC · CIK 0001765021 · 10% owner

MPM BioVentures 2014 GP LLC · CIK 0001765091 · 10% owner

MPM BIOVENTURES 2018 (B), L.P. · CIK 0001729504 · 10% owner

MPM ASSET MANAGEMENT INVESTORS BV2018 LLC · CIK 0001734817 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Indirect · See Footnote

Disclosed balance after: 3,569,156

F1 · kind: Transaction effected pursuant to a plan established pursuant to Rule 10b5-1.

F2 · shares: The shares were sold as follows: 13,539 by MPM BioVentures 2014, L.P. ("BV 2014"), 466 by MPM Asset Management Investors BV2014 LLC ("AM BV2014"), 8,551 by MPM BioVentures 2018, L.P. ("BV 2018") and 169 by MPM Asset Management Investors BV2018 LLC ("AM BV2018"). MPM BioVentures 2014 GP LLC and MPM BioVentures 2014 LLC ("BV 2014 LLC") are the direct and indirect general partners of BV 2014 and BV 2014(B). BV 2014 LLC is the manager of AM BV2014. MPM BioVentures 2018 GP LLC and MPM BioVentures 2018 LLC ("BV 2018 LLC") are the direct and indirect general partners of BV 2018 and BV 2018(B). BV 2018 LLC is the manager of AM BV2018. Messrs. Evnin and Foley are managing directors of BV 2014 LLC and BV 2018 LLC.

F3 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $28.29 to $29.27 inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.

F4 · ownership.nature: The shares are held as follows: 2,029,971 by BV 2014, 107,713 by MPM BioVentures 2014(B), L.P. ("BV 2014(B)"), 69,871 by AM BV2014, 1,282,086 by BV 2018, 54,213 by MPM BioVentures 2018(B), L.P. ("BV 2018(B)") and 25,302 by AM BV2018. The Reporting Person disclaims beneficial ownership of the securities except to the extent of his pecuniary interest therein.

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Value uses the disclosed total when available, otherwise shares × reported transaction price. It is not an estimate of exercise cash cost or investment performance.