organization · Reporting owner

Bain Capital Life Sciences Fund II, L.P.

Disclosed activity across 3 companies

Tapewire entity: 82944
SEC CIK: 0001773187

Reported relationships

Latest disclosed role at each company.

Company	Last reported as	Report date	Published
Xilio Therapeutics, Inc.XLO · Entity 7122	10% owner	December 08, 2021	December 11, 2021

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.

Xilio Therapeutics, Inc.

Report date December 08, 2021 · Filed December 11, 2021

Jointly reported with Bain Capital Life Sciences Investors, LLC, Bain Capital Life Sciences Investors II, LLC, BCLS II Investco, LP, BCLS II Investco (GP), LLC, BCIP Life Sciences Associates, LP

Security / award	Ownership account	Disclosed shares / units	Disclosure context
Common StockSEC Table I · non-derivative	IndirectSee footnotes	2,805,413	Last balance in matching sequence After 2021-12-10 transaction · row 4 Source-order balances reconcile. Account continuity and personal attribution are not independently verified. 4 source rows Row 1 · 2021-12-08 · Purchase · Acquired 13,458 · Balance 2,776,402 F1: On December 8, 2021, December 9, 2021 and December 10, 2021, BCLS II Investco, LP ("BCLS II Investco") purchased 13,458, 4,011 and 25,000 shares of the Issuer's common stock, respectively. F2: The price reported in Column 4 is a weighted average price. The shares were purchased in multiple transactions at prices ranging from $9.41 to $9.75, inclusive. The reporting persons undertake to provide to the Issuer, any securityholder of the Issuer or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares purchased at each separate price within the ranges set forth in footnotes (2) through (5) to this Form 4. F6: Represents shares of the Issuer's common stock held by Bain Capital Life Sciences Fund II, L.P. ("BCLS II"), BCLS II Investco and BCIP Life Sciences Associates, LP ("BCIPLS" and, together with BCLS II and BCLS II Investco, the "Bain Capital Life Sciences Entities"). Following the completion of the transactions reported in footnote (1) to this Form 4, BCLS II, BCLS II Investco and BCIPLS each holds 1,348,682, 1,292,469 and 164,262 shares of the Issuer's common stock, respectively. F7: Bain Capital Life Sciences Investors II, LLC ("BCLSI II") is the general partner of BCLS II. As a result, BCLSI II may be deemed to share voting and dispositive power with respect to the securities held by BCLS II. BCLSI II disclaims beneficial ownership of such securities except to the extent of its pecuniary interest therein. F8: BCLS II Investco (GP), LLC ("BCLS II Investco GP"), whose manager is BCLS II, is the general partner of BCLS II Investco. As a result, each of BCLSI II, BCLS II and BCLS II Investco GP may be deemed to share voting and dispositive power with respect to the securities held by BCLS II Investco. Each of BCLSI II, BCLS II and BCLS II Investco GP disclaims beneficial ownership of such securities except to the extent of its pecuniary interest therein. F9: Boylston Coinvestors, LLC is the general partner of BCIPLS. F10: Bain Capital Life Sciences Investors, LLC ("BCLSI") is the manager of BCLSI II and governs the investment strategy and decision-making process with respect to investments held by BCIPLS. As a result, BCLSI may be deemed to share voting and dispositive power with respect to the securities held by the Bain Capital Life Sciences Entities. BCLSI disclaims beneficial ownership of such securities except to the extent of its pecuniary interest therein. Row 2 · 2021-12-09 · Purchase · Acquired 4,011 · Balance 2,780,413 F1: On December 8, 2021, December 9, 2021 and December 10, 2021, BCLS II Investco, LP ("BCLS II Investco") purchased 13,458, 4,011 and 25,000 shares of the Issuer's common stock, respectively. F3: The price reported in Column 4 is a weighted average price. The shares were purchased in multiple transactions at prices ranging from $9.53 to $10.00, inclusive. F6: Represents shares of the Issuer's common stock held by Bain Capital Life Sciences Fund II, L.P. ("BCLS II"), BCLS II Investco and BCIP Life Sciences Associates, LP ("BCIPLS" and, together with BCLS II and BCLS II Investco, the "Bain Capital Life Sciences Entities"). Following the completion of the transactions reported in footnote (1) to this Form 4, BCLS II, BCLS II Investco and BCIPLS each holds 1,348,682, 1,292,469 and 164,262 shares of the Issuer's common stock, respectively. F7: Bain Capital Life Sciences Investors II, LLC ("BCLSI II") is the general partner of BCLS II. As a result, BCLSI II may be deemed to share voting and dispositive power with respect to the securities held by BCLS II. BCLSI II disclaims beneficial ownership of such securities except to the extent of its pecuniary interest therein. F8: BCLS II Investco (GP), LLC ("BCLS II Investco GP"), whose manager is BCLS II, is the general partner of BCLS II Investco. As a result, each of BCLSI II, BCLS II and BCLS II Investco GP may be deemed to share voting and dispositive power with respect to the securities held by BCLS II Investco. Each of BCLSI II, BCLS II and BCLS II Investco GP disclaims beneficial ownership of such securities except to the extent of its pecuniary interest therein. F9: Boylston Coinvestors, LLC is the general partner of BCIPLS. F10: Bain Capital Life Sciences Investors, LLC ("BCLSI") is the manager of BCLSI II and governs the investment strategy and decision-making process with respect to investments held by BCIPLS. As a result, BCLSI may be deemed to share voting and dispositive power with respect to the securities held by the Bain Capital Life Sciences Entities. BCLSI disclaims beneficial ownership of such securities except to the extent of its pecuniary interest therein. Row 3 · 2021-12-10 · Purchase · Acquired 21,812 · Balance 2,802,225 F1: On December 8, 2021, December 9, 2021 and December 10, 2021, BCLS II Investco, LP ("BCLS II Investco") purchased 13,458, 4,011 and 25,000 shares of the Issuer's common stock, respectively. F4: The price reported in Column 4 is a weighted average price. The shares were purchased in multiple transactions at prices ranging from $9.07 to $10.00, inclusive. F6: Represents shares of the Issuer's common stock held by Bain Capital Life Sciences Fund II, L.P. ("BCLS II"), BCLS II Investco and BCIP Life Sciences Associates, LP ("BCIPLS" and, together with BCLS II and BCLS II Investco, the "Bain Capital Life Sciences Entities"). Following the completion of the transactions reported in footnote (1) to this Form 4, BCLS II, BCLS II Investco and BCIPLS each holds 1,348,682, 1,292,469 and 164,262 shares of the Issuer's common stock, respectively. F7: Bain Capital Life Sciences Investors II, LLC ("BCLSI II") is the general partner of BCLS II. As a result, BCLSI II may be deemed to share voting and dispositive power with respect to the securities held by BCLS II. BCLSI II disclaims beneficial ownership of such securities except to the extent of its pecuniary interest therein. F8: BCLS II Investco (GP), LLC ("BCLS II Investco GP"), whose manager is BCLS II, is the general partner of BCLS II Investco. As a result, each of BCLSI II, BCLS II and BCLS II Investco GP may be deemed to share voting and dispositive power with respect to the securities held by BCLS II Investco. Each of BCLSI II, BCLS II and BCLS II Investco GP disclaims beneficial ownership of such securities except to the extent of its pecuniary interest therein. F9: Boylston Coinvestors, LLC is the general partner of BCIPLS. F10: Bain Capital Life Sciences Investors, LLC ("BCLSI") is the manager of BCLSI II and governs the investment strategy and decision-making process with respect to investments held by BCIPLS. As a result, BCLSI may be deemed to share voting and dispositive power with respect to the securities held by the Bain Capital Life Sciences Entities. BCLSI disclaims beneficial ownership of such securities except to the extent of its pecuniary interest therein. Row 4 · 2021-12-10 · Purchase · Acquired 3,188 · Balance 2,805,413 F1: On December 8, 2021, December 9, 2021 and December 10, 2021, BCLS II Investco, LP ("BCLS II Investco") purchased 13,458, 4,011 and 25,000 shares of the Issuer's common stock, respectively. F5: The price reported in Column 4 is a weighted average price. The shares were purchased in multiple transactions at prices ranging from $10.13 to $10.25, inclusive. F6: Represents shares of the Issuer's common stock held by Bain Capital Life Sciences Fund II, L.P. ("BCLS II"), BCLS II Investco and BCIP Life Sciences Associates, LP ("BCIPLS" and, together with BCLS II and BCLS II Investco, the "Bain Capital Life Sciences Entities"). Following the completion of the transactions reported in footnote (1) to this Form 4, BCLS II, BCLS II Investco and BCIPLS each holds 1,348,682, 1,292,469 and 164,262 shares of the Issuer's common stock, respectively. F7: Bain Capital Life Sciences Investors II, LLC ("BCLSI II") is the general partner of BCLS II. As a result, BCLSI II may be deemed to share voting and dispositive power with respect to the securities held by BCLS II. BCLSI II disclaims beneficial ownership of such securities except to the extent of its pecuniary interest therein. F8: BCLS II Investco (GP), LLC ("BCLS II Investco GP"), whose manager is BCLS II, is the general partner of BCLS II Investco. As a result, each of BCLSI II, BCLS II and BCLS II Investco GP may be deemed to share voting and dispositive power with respect to the securities held by BCLS II Investco. Each of BCLSI II, BCLS II and BCLS II Investco GP disclaims beneficial ownership of such securities except to the extent of its pecuniary interest therein. F9: Boylston Coinvestors, LLC is the general partner of BCIPLS. F10: Bain Capital Life Sciences Investors, LLC ("BCLSI") is the manager of BCLSI II and governs the investment strategy and decision-making process with respect to investments held by BCIPLS. As a result, BCLSI may be deemed to share voting and dispositive power with respect to the securities held by the Bain Capital Life Sciences Entities. BCLSI disclaims beneficial ownership of such securities except to the extent of its pecuniary interest therein.

Filing footnotes · ownership attribution and instrument terms

F1: On December 8, 2021, December 9, 2021 and December 10, 2021, BCLS II Investco, LP ("BCLS II Investco") purchased 13,458, 4,011 and 25,000 shares of the Issuer's common stock, respectively.

F2: The price reported in Column 4 is a weighted average price. The shares were purchased in multiple transactions at prices ranging from $9.41 to $9.75, inclusive. The reporting persons undertake to provide to the Issuer, any securityholder of the Issuer or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares purchased at each separate price within the ranges set forth in footnotes (2) through (5) to this Form 4.

F3: The price reported in Column 4 is a weighted average price. The shares were purchased in multiple transactions at prices ranging from $9.53 to $10.00, inclusive.

F4: The price reported in Column 4 is a weighted average price. The shares were purchased in multiple transactions at prices ranging from $9.07 to $10.00, inclusive.

F5: The price reported in Column 4 is a weighted average price. The shares were purchased in multiple transactions at prices ranging from $10.13 to $10.25, inclusive.

F6: Represents shares of the Issuer's common stock held by Bain Capital Life Sciences Fund II, L.P. ("BCLS II"), BCLS II Investco and BCIP Life Sciences Associates, LP ("BCIPLS" and, together with BCLS II and BCLS II Investco, the "Bain Capital Life Sciences Entities"). Following the completion of the transactions reported in footnote (1) to this Form 4, BCLS II, BCLS II Investco and BCIPLS each holds 1,348,682, 1,292,469 and 164,262 shares of the Issuer's common stock, respectively.

F7: Bain Capital Life Sciences Investors II, LLC ("BCLSI II") is the general partner of BCLS II. As a result, BCLSI II may be deemed to share voting and dispositive power with respect to the securities held by BCLS II. BCLSI II disclaims beneficial ownership of such securities except to the extent of its pecuniary interest therein.

F8: BCLS II Investco (GP), LLC ("BCLS II Investco GP"), whose manager is BCLS II, is the general partner of BCLS II Investco. As a result, each of BCLSI II, BCLS II and BCLS II Investco GP may be deemed to share voting and dispositive power with respect to the securities held by BCLS II Investco. Each of BCLSI II, BCLS II and BCLS II Investco GP disclaims beneficial ownership of such securities except to the extent of its pecuniary interest therein.

F9: Boylston Coinvestors, LLC is the general partner of BCIPLS.

F10: Bain Capital Life Sciences Investors, LLC ("BCLSI") is the manager of BCLSI II and governs the investment strategy and decision-making process with respect to investments held by BCIPLS. As a result, BCLSI may be deemed to share voting and dispositive power with respect to the securities held by the Bain Capital Life Sciences Entities. BCLSI disclaims beneficial ownership of such securities except to the extent of its pecuniary interest therein.

Past disclosures · reporting ended (2)

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

NewAmsterdam Pharma Co N.V.

Report date December 13, 2024 · Filed December 17, 2024

Jointly reported with Bain Capital Life Sciences Investors, LLC, BCLS Fund III Investments, LP, Bain Capital Life Sciences III General Partner, LLC, Bain Capital Life Sciences Fund III, L.P., BCLS Fund III Investments GP, LLC, BCLS II Investco, LP, BCLS II Investco (GP), LLC, Bain Capital Life Sciences Investors II, LLC, BCIP Life Sciences Associates, LP

Section 16 reporting ended · disclosed 2024-12-17. Current position is not established by this disclosure.

Security / award	Ownership account	Disclosed shares / units	Disclosure context
Pre-Funded Warrant (right to buy)SEC Table II · derivative / convertible security · Conversion / exercise price $0.00	IndirectSee footnotes	1,632,653	Reported balance After 2024-12-13 transaction · row 1 Instrument identity requires review; Table II rows are not merged. 1 source row Row 1 · 2024-12-13 · Purchase · Acquired 1,632,653 · Balance 1,632,653 F2: The pre-funded warrants cannot be exercised if, as a result of such exercise, the holder, together with its affiliates and any other persons whose beneficial ownership would be aggregated with the holder for purposes of Section 13(d) of the Act, would beneficially own more than 9.99% of the total number of Ordinary Shares then outstanding immediately following such exercise. F3: The pre-funded warrants do not expire. F1: Represents a pre-funded warrant to purchase 1,257,141 Ordinary Shares and a pre-funded warrant to purchase 375,512 Ordinary Shares, purchased by Bain Capital Life Sciences Opportunities III, LP ("BCLS Fund III Opportunities") and BCLS II Equity Opportunities, LP ("BCLS Fund II Opportunities"), respectively, in an underwritten public offering. F4: Bain Capital Life Sciences III General Partner, LLC ("BCLS III GP") is the general partner of Bain Capital Life Sciences Fund III, L.P. ("BCLS III"), which is the sole member of Bain Capital Life Sciences Opportunities III GP, LLC ("BCLS Fund III Opportunities GP"), which is the general partner of BCLS Fund III Opportunities. As a result, each of BCLS III GP and BCLS III may be deemed to share voting and dispositive power with respect to the securities held by BCLS Fund III Opportunities. Each of BCLS III GP and BCLS III disclaims beneficial ownership of such securities except to the extent of its pecuniary interest therein. F5: Bain Capital Life Sciences Investors II, LLC ("BCLSI II") is the general partner of Bain Capital Life Sciences Fund II, L.P. ("BCLS Fund II"), which is the manager of BCLS II Equity Opportunities GP, LLC, which is the general partner of BCLS Fund II Opportunities. As a result, each of BCLSI II and BCLS Fund II may be deemed to share voting and dispositive power with respect to the securities held by BCLS Fund II Opportunities. Each of BCLSI II and BCLS Fund II disclaims beneficial ownership of such securities except to the extent of its pecuniary interest therein. F6: Bain Capital Life Sciences Investors, LLC ("BCLSI") is the manager of each of BCLS III GP and BCLSI II. As a result, BCLSI may be deemed to share voting and dispositive power with respect to the securities held by each of BCLS Fund III Opportunities and BCLS Fund II Opportunities. BCLSI disclaims beneficial ownership of such securities except to the extent of its pecuniary interest therein.

Filing footnotes · ownership attribution and instrument terms

F1: Represents a pre-funded warrant to purchase 1,257,141 Ordinary Shares and a pre-funded warrant to purchase 375,512 Ordinary Shares, purchased by Bain Capital Life Sciences Opportunities III, LP ("BCLS Fund III Opportunities") and BCLS II Equity Opportunities, LP ("BCLS Fund II Opportunities"), respectively, in an underwritten public offering.

F2: The pre-funded warrants cannot be exercised if, as a result of such exercise, the holder, together with its affiliates and any other persons whose beneficial ownership would be aggregated with the holder for purposes of Section 13(d) of the Act, would beneficially own more than 9.99% of the total number of Ordinary Shares then outstanding immediately following such exercise.

F3: The pre-funded warrants do not expire.

F4: Bain Capital Life Sciences III General Partner, LLC ("BCLS III GP") is the general partner of Bain Capital Life Sciences Fund III, L.P. ("BCLS III"), which is the sole member of Bain Capital Life Sciences Opportunities III GP, LLC ("BCLS Fund III Opportunities GP"), which is the general partner of BCLS Fund III Opportunities. As a result, each of BCLS III GP and BCLS III may be deemed to share voting and dispositive power with respect to the securities held by BCLS Fund III Opportunities. Each of BCLS III GP and BCLS III disclaims beneficial ownership of such securities except to the extent of its pecuniary interest therein.

F5: Bain Capital Life Sciences Investors II, LLC ("BCLSI II") is the general partner of Bain Capital Life Sciences Fund II, L.P. ("BCLS Fund II"), which is the manager of BCLS II Equity Opportunities GP, LLC, which is the general partner of BCLS Fund II Opportunities. As a result, each of BCLSI II and BCLS Fund II may be deemed to share voting and dispositive power with respect to the securities held by BCLS Fund II Opportunities. Each of BCLSI II and BCLS Fund II disclaims beneficial ownership of such securities except to the extent of its pecuniary interest therein.

F6: Bain Capital Life Sciences Investors, LLC ("BCLSI") is the manager of each of BCLS III GP and BCLSI II. As a result, BCLSI may be deemed to share voting and dispositive power with respect to the securities held by each of BCLS Fund III Opportunities and BCLS Fund II Opportunities. BCLSI disclaims beneficial ownership of such securities except to the extent of its pecuniary interest therein.

Solid Biosciences Inc.

Report date February 19, 2025 · Filed February 21, 2025

Jointly reported with Bain Capital Life Sciences Investors, LLC, BCLS SB Investco, LP, Bain Capital Life Sciences Partners, LP, Bain Capital Life Sciences Investors II, LLC, BCLS II Investco, LP, BCLS II Investco (GP), LLC, BCIP Life Sciences Associates, LP, BCLS II Equity Opportunities, LP, BCLS II Equity Opportunities GP, LLC

Section 16 reporting ended · disclosed 2025-02-21. Current position is not established by this disclosure.

Security / award	Ownership account	Disclosed shares / units	Disclosure context
Common StockSEC Table I · non-derivative	IndirectSee footnotes	5,034,582	Reported balance After 2025-02-19 transaction · row 1 Joint disclosure: continuity of the reported position is unresolved; see ownership footnotes. 1 source row Row 1 · 2025-02-19 · Purchase · Acquired 1,000,000 · Balance 5,034,582 F1: On February 19, 2025, BCLS II Investco, LP ("BCLS II Investco") purchased 1,000,000 shares of the Issuer's common stock and a pre-funded warrant to purchase 6,444,170 shares of the Issuer's common stock at a purchase price of $4.03 and $4.029, respectively, in an underwritten public offering (the "February 2025 Underwritten Offering"). F4: Represents 528,660 shares of the Issuer's common stock held directly by BCLS SB Investco, LP ("BCLS SB"), 267,257 shares of the Issuer's common stock held directly by Bain Capital Life Sciences Fund II, L.P. ("BCLS Fund II"), 3,301,955 shares of the Issuer's common stock held directly by BCLS II Investco, 904,160 shares of the Issuer's common stock held directly by BCLS II Equity Opportunities, LP ("BCLS II Equity") and 32,550 shares of the Issuer's common stock held directly by BCIP Life Sciences Associates, LP ("BCIPLS" and, together with BCLS II Investco, BCLS SB, BCLS Fund II and BCLS II Equity, the "Bain Capital Life Sciences Entities"), after giving effect to the closing of the February 2025 Underwritten Offering. F6: Bain Capital Life Sciences Partners, LP ("BCLSP") is the general partner of BCLS SB. As a result, BCLSP may be deemed to share voting and dispositive power with respect to the securities held by BCLS SB. BCLSP disclaims beneficial ownership of such securities except to the extent of its pecuniary interest therein. F7: Bain Capital Life Sciences Investors II, LLC ("BCLSI II") is the general partner of BCLS Fund II. As a result, BCLSI II may be deemed to share voting and dispositive power with respect to the securities held by BCLS Fund II. BCLSI II disclaims beneficial ownership of such securities except to the extent of its pecuniary interest therein. F8: BCLS II Investco (GP), LLC ("BCLS II Investco GP"), whose managing member is BCLS Fund II, is the general partner of BCLS II Investco. As a result, each of BCLSI II, BCLS Fund II and BCLS II Investco GP may be deemed to share voting and dispositive power with respect to the securities held by BCLS II Investco. Each of BCLSI II, BCLS Fund II and BCLS II Investco GP disclaims beneficial ownership of such securities except to the extent of its pecuniary interest therein. F9: BCLS II Equity Opportunities GP, LLC ("BCLS II Equity GP"), whose manager is BCLS Fund II, is the general partner of BCLS II Equity. As a result, each of BCLSI II, BCLS Fund II and BCLS II Equity GP may be deemed to share voting and dispositive power with respect to the securities held by BCLS II Equity. Each of BCLSI II, BCLS Fund II and BCLS II Equity GP disclaims beneficial ownership of such securities except to the extent of its pecuniary interest therein. F10: Boylston Coinvestors, LLC is the general partner of BCIPLS. F11: Bain Capital Life Sciences Investors, LLC ("BCLSI") (i) is the general partner of BCLSP, (ii) is the manager of BCLSI II and (iii) governs the investment strategy and decision-making process with respect to investments held by BCIPLS. As a result, BCLSI may be deemed to share voting and dispositive power with respect to the securities held by the Bain Capital Life Sciences Entities. BCLSI disclaims beneficial ownership of such securities except to the extent of its pecuniary interest therein.
Pre-Funded Warrant (right to buy)SEC Table II · derivative / convertible security · Conversion / exercise price $0.00	IndirectSee footnotes	6,444,170	Reported balance After 2025-02-19 transaction · row 2 Instrument identity requires review; Table II rows are not merged. 1 source row Row 2 · 2025-02-19 · Purchase · Acquired 6,444,170 · Balance 6,444,170 F1: On February 19, 2025, BCLS II Investco, LP ("BCLS II Investco") purchased 1,000,000 shares of the Issuer's common stock and a pre-funded warrant to purchase 6,444,170 shares of the Issuer's common stock at a purchase price of $4.03 and $4.029, respectively, in an underwritten public offering (the "February 2025 Underwritten Offering"). F2: The pre-funded warrant cannot be exercised if, as a result of such exercise, the holder, together with its affiliates and any other persons whose beneficial ownership would be aggregated with the holder for purposes of Section 13(d) of the Act, would beneficially own more than 9.99% of the total number of shares of the Issuer's common stock then outstanding immediately following such exercise. F3: The pre-funded warrant does not expire. F5: Represents a pre-funded warrant to purchase 6,444,170 shares of the Issuer's common stock held directly by BCLS II Investco, after giving effect to the closing of the February 2025 Underwritten Offering. F8: BCLS II Investco (GP), LLC ("BCLS II Investco GP"), whose managing member is BCLS Fund II, is the general partner of BCLS II Investco. As a result, each of BCLSI II, BCLS Fund II and BCLS II Investco GP may be deemed to share voting and dispositive power with respect to the securities held by BCLS II Investco. Each of BCLSI II, BCLS Fund II and BCLS II Investco GP disclaims beneficial ownership of such securities except to the extent of its pecuniary interest therein. F11: Bain Capital Life Sciences Investors, LLC ("BCLSI") (i) is the general partner of BCLSP, (ii) is the manager of BCLSI II and (iii) governs the investment strategy and decision-making process with respect to investments held by BCIPLS. As a result, BCLSI may be deemed to share voting and dispositive power with respect to the securities held by the Bain Capital Life Sciences Entities. BCLSI disclaims beneficial ownership of such securities except to the extent of its pecuniary interest therein.

Filing footnotes · ownership attribution and instrument terms

F1: On February 19, 2025, BCLS II Investco, LP ("BCLS II Investco") purchased 1,000,000 shares of the Issuer's common stock and a pre-funded warrant to purchase 6,444,170 shares of the Issuer's common stock at a purchase price of $4.03 and $4.029, respectively, in an underwritten public offering (the "February 2025 Underwritten Offering").

F2: The pre-funded warrant cannot be exercised if, as a result of such exercise, the holder, together with its affiliates and any other persons whose beneficial ownership would be aggregated with the holder for purposes of Section 13(d) of the Act, would beneficially own more than 9.99% of the total number of shares of the Issuer's common stock then outstanding immediately following such exercise.

F3: The pre-funded warrant does not expire.

F4: Represents 528,660 shares of the Issuer's common stock held directly by BCLS SB Investco, LP ("BCLS SB"), 267,257 shares of the Issuer's common stock held directly by Bain Capital Life Sciences Fund II, L.P. ("BCLS Fund II"), 3,301,955 shares of the Issuer's common stock held directly by BCLS II Investco, 904,160 shares of the Issuer's common stock held directly by BCLS II Equity Opportunities, LP ("BCLS II Equity") and 32,550 shares of the Issuer's common stock held directly by BCIP Life Sciences Associates, LP ("BCIPLS" and, together with BCLS II Investco, BCLS SB, BCLS Fund II and BCLS II Equity, the "Bain Capital Life Sciences Entities"), after giving effect to the closing of the February 2025 Underwritten Offering.

F5: Represents a pre-funded warrant to purchase 6,444,170 shares of the Issuer's common stock held directly by BCLS II Investco, after giving effect to the closing of the February 2025 Underwritten Offering.

F6: Bain Capital Life Sciences Partners, LP ("BCLSP") is the general partner of BCLS SB. As a result, BCLSP may be deemed to share voting and dispositive power with respect to the securities held by BCLS SB. BCLSP disclaims beneficial ownership of such securities except to the extent of its pecuniary interest therein.

F7: Bain Capital Life Sciences Investors II, LLC ("BCLSI II") is the general partner of BCLS Fund II. As a result, BCLSI II may be deemed to share voting and dispositive power with respect to the securities held by BCLS Fund II. BCLSI II disclaims beneficial ownership of such securities except to the extent of its pecuniary interest therein.

F8: BCLS II Investco (GP), LLC ("BCLS II Investco GP"), whose managing member is BCLS Fund II, is the general partner of BCLS II Investco. As a result, each of BCLSI II, BCLS Fund II and BCLS II Investco GP may be deemed to share voting and dispositive power with respect to the securities held by BCLS II Investco. Each of BCLSI II, BCLS Fund II and BCLS II Investco GP disclaims beneficial ownership of such securities except to the extent of its pecuniary interest therein.

F9: BCLS II Equity Opportunities GP, LLC ("BCLS II Equity GP"), whose manager is BCLS Fund II, is the general partner of BCLS II Equity. As a result, each of BCLSI II, BCLS Fund II and BCLS II Equity GP may be deemed to share voting and dispositive power with respect to the securities held by BCLS II Equity. Each of BCLSI II, BCLS Fund II and BCLS II Equity GP disclaims beneficial ownership of such securities except to the extent of its pecuniary interest therein.

F10: Boylston Coinvestors, LLC is the general partner of BCIPLS.

F11: Bain Capital Life Sciences Investors, LLC ("BCLSI") (i) is the general partner of BCLSP, (ii) is the manager of BCLSI II and (iii) governs the investment strategy and decision-making process with respect to investments held by BCIPLS. As a result, BCLSI may be deemed to share voting and dispositive power with respect to the securities held by the Bain Capital Life Sciences Entities. BCLSI disclaims beneficial ownership of such securities except to the extent of its pecuniary interest therein.

Transaction history

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The cutoff filters transaction history only. Company summaries and owner relationships show the latest available disclosures. Parser corrections can improve historical records.

Transaction date	Company	Activity / security	Shares / units	Reported price	Reported value	Details
February 19, 2025 Filed Feb 21, 2025 22:48 UTC	Solid Biosciences Inc. SLDB · Entity 4915	PurchasePre-Funded Warrant (right to buy) · Derivative	6,444,170	$4.03 Strike: $0.00	$25,963,560.93	Disclosure SEC source: 0000950170-25-025011 · ownership.xml · derivative · entry 2 Bain Capital Life Sciences Investors, LLC · CIK 0001703031 · 10% owner BCLS SB Investco, LP · CIK 0001728056 · 10% owner Bain Capital Life Sciences Partners, LP · CIK 0001703030 · 10% owner Bain Capital Life Sciences Fund II, L.P. · CIK 0001773187 · 10% owner Bain Capital Life Sciences Investors II, LLC · CIK 0001796155 · 10% owner BCLS II Investco, LP · CIK 0001818893 · 10% owner BCLS II Investco (GP), LLC · CIK 0001819101 · 10% owner BCIP Life Sciences Associates, LP · CIK 0001702921 · 10% owner BCLS II Equity Opportunities, LP · CIK 0001814474 · 10% owner BCLS II Equity Opportunities GP, LLC · CIK 0002008174 · 10% owner Joint disclosure: these amounts are not allocated separately to each reporting owner. 10b5-1 filing: No plan indicated Ownership: Indirect · See footnotes Disclosed balance after: 6,444,170 Underlying: Common Stock · 6,444,170 shares Expires not disclosed F1 · kind: On February 19, 2025, BCLS II Investco, LP ("BCLS II Investco") purchased 1,000,000 shares of the Issuer's common stock and a pre-funded warrant to purchase 6,444,170 shares of the Issuer's common stock at a purchase price of $4.03 and $4.029, respectively, in an underwritten public offering (the "February 2025 Underwritten Offering"). F2 · derivative.exercise_date: The pre-funded warrant cannot be exercised if, as a result of such exercise, the holder, together with its affiliates and any other persons whose beneficial ownership would be aggregated with the holder for purposes of Section 13(d) of the Act, would beneficially own more than 9.99% of the total number of shares of the Issuer's common stock then outstanding immediately following such exercise. F3 · derivative.expiration_date: The pre-funded warrant does not expire. F2 · derivative.underlying_shares: The pre-funded warrant cannot be exercised if, as a result of such exercise, the holder, together with its affiliates and any other persons whose beneficial ownership would be aggregated with the holder for purposes of Section 13(d) of the Act, would beneficially own more than 9.99% of the total number of shares of the Issuer's common stock then outstanding immediately following such exercise. F5 · ownership.nature: Represents a pre-funded warrant to purchase 6,444,170 shares of the Issuer's common stock held directly by BCLS II Investco, after giving effect to the closing of the February 2025 Underwritten Offering. F8 · ownership.nature: BCLS II Investco (GP), LLC ("BCLS II Investco GP"), whose managing member is BCLS Fund II, is the general partner of BCLS II Investco. As a result, each of BCLSI II, BCLS Fund II and BCLS II Investco GP may be deemed to share voting and dispositive power with respect to the securities held by BCLS II Investco. Each of BCLSI II, BCLS Fund II and BCLS II Investco GP disclaims beneficial ownership of such securities except to the extent of its pecuniary interest therein. F11 · ownership.nature: Bain Capital Life Sciences Investors, LLC ("BCLSI") (i) is the general partner of BCLSP, (ii) is the manager of BCLSI II and (iii) governs the investment strategy and decision-making process with respect to investments held by BCIPLS. As a result, BCLSI may be deemed to share voting and dispositive power with respect to the securities held by the Bain Capital Life Sciences Entities. BCLSI disclaims beneficial ownership of such securities except to the extent of its pecuniary interest therein. Read SEC document
February 19, 2025 Filed Feb 21, 2025 22:48 UTC	Solid Biosciences Inc. SLDB · Entity 4915	PurchaseCommon Stock	1,000,000	$4.03	$4,030,000.00	Disclosure SEC source: 0000950170-25-025011 · ownership.xml · nonDerivative · entry 1 Bain Capital Life Sciences Investors, LLC · CIK 0001703031 · 10% owner BCLS SB Investco, LP · CIK 0001728056 · 10% owner Bain Capital Life Sciences Partners, LP · CIK 0001703030 · 10% owner Bain Capital Life Sciences Fund II, L.P. · CIK 0001773187 · 10% owner Bain Capital Life Sciences Investors II, LLC · CIK 0001796155 · 10% owner BCLS II Investco, LP · CIK 0001818893 · 10% owner BCLS II Investco (GP), LLC · CIK 0001819101 · 10% owner BCIP Life Sciences Associates, LP · CIK 0001702921 · 10% owner BCLS II Equity Opportunities, LP · CIK 0001814474 · 10% owner BCLS II Equity Opportunities GP, LLC · CIK 0002008174 · 10% owner Joint disclosure: these amounts are not allocated separately to each reporting owner. 10b5-1 filing: No plan indicated Ownership: Indirect · See footnotes Disclosed balance after: 5,034,582 F1 · kind: On February 19, 2025, BCLS II Investco, LP ("BCLS II Investco") purchased 1,000,000 shares of the Issuer's common stock and a pre-funded warrant to purchase 6,444,170 shares of the Issuer's common stock at a purchase price of $4.03 and $4.029, respectively, in an underwritten public offering (the "February 2025 Underwritten Offering"). F4 · ownership.nature: Represents 528,660 shares of the Issuer's common stock held directly by BCLS SB Investco, LP ("BCLS SB"), 267,257 shares of the Issuer's common stock held directly by Bain Capital Life Sciences Fund II, L.P. ("BCLS Fund II"), 3,301,955 shares of the Issuer's common stock held directly by BCLS II Investco, 904,160 shares of the Issuer's common stock held directly by BCLS II Equity Opportunities, LP ("BCLS II Equity") and 32,550 shares of the Issuer's common stock held directly by BCIP Life Sciences Associates, LP ("BCIPLS" and, together with BCLS II Investco, BCLS SB, BCLS Fund II and BCLS II Equity, the "Bain Capital Life Sciences Entities"), after giving effect to the closing of the February 2025 Underwritten Offering. F6 · ownership.nature: Bain Capital Life Sciences Partners, LP ("BCLSP") is the general partner of BCLS SB. As a result, BCLSP may be deemed to share voting and dispositive power with respect to the securities held by BCLS SB. BCLSP disclaims beneficial ownership of such securities except to the extent of its pecuniary interest therein. F7 · ownership.nature: Bain Capital Life Sciences Investors II, LLC ("BCLSI II") is the general partner of BCLS Fund II. As a result, BCLSI II may be deemed to share voting and dispositive power with respect to the securities held by BCLS Fund II. BCLSI II disclaims beneficial ownership of such securities except to the extent of its pecuniary interest therein. F8 · ownership.nature: BCLS II Investco (GP), LLC ("BCLS II Investco GP"), whose managing member is BCLS Fund II, is the general partner of BCLS II Investco. As a result, each of BCLSI II, BCLS Fund II and BCLS II Investco GP may be deemed to share voting and dispositive power with respect to the securities held by BCLS II Investco. Each of BCLSI II, BCLS Fund II and BCLS II Investco GP disclaims beneficial ownership of such securities except to the extent of its pecuniary interest therein. F9 · ownership.nature: BCLS II Equity Opportunities GP, LLC ("BCLS II Equity GP"), whose manager is BCLS Fund II, is the general partner of BCLS II Equity. As a result, each of BCLSI II, BCLS Fund II and BCLS II Equity GP may be deemed to share voting and dispositive power with respect to the securities held by BCLS II Equity. Each of BCLSI II, BCLS Fund II and BCLS II Equity GP disclaims beneficial ownership of such securities except to the extent of its pecuniary interest therein. F10 · ownership.nature: Boylston Coinvestors, LLC is the general partner of BCIPLS. F11 · ownership.nature: Bain Capital Life Sciences Investors, LLC ("BCLSI") (i) is the general partner of BCLSP, (ii) is the manager of BCLSI II and (iii) governs the investment strategy and decision-making process with respect to investments held by BCIPLS. As a result, BCLSI may be deemed to share voting and dispositive power with respect to the securities held by the Bain Capital Life Sciences Entities. BCLSI disclaims beneficial ownership of such securities except to the extent of its pecuniary interest therein. Read SEC document
December 13, 2024 Filed Dec 17, 2024 22:05 UTC	NewAmsterdam Pharma Co N.V. NAMS · Entity 1826	PurchasePre-Funded Warrant (right to buy) · Derivative	1,632,653	$24.50 Strike: $0.00	$39,999,835.23	Disclosure SEC source: 0000950170-24-137335 · ownership.xml · derivative · entry 1 Bain Capital Life Sciences Investors, LLC · CIK 0001703031 · 10% owner BCLS Fund III Investments, LP · CIK 0001952107 · 10% owner Bain Capital Life Sciences III General Partner, LLC · CIK 0001952106 · 10% owner Bain Capital Life Sciences Fund III, L.P. · CIK 0001875273 · 10% owner BCLS Fund III Investments GP, LLC · CIK 0001952080 · 10% owner BCLS II Investco, LP · CIK 0001818893 · 10% owner BCLS II Investco (GP), LLC · CIK 0001819101 · 10% owner Bain Capital Life Sciences Fund II, L.P. · CIK 0001773187 · 10% owner Bain Capital Life Sciences Investors II, LLC · CIK 0001796155 · 10% owner BCIP Life Sciences Associates, LP · CIK 0001702921 · 10% owner Joint disclosure: these amounts are not allocated separately to each reporting owner. 10b5-1 filing: No plan indicated Ownership: Indirect · See footnotes Disclosed balance after: 1,632,653 Underlying: Ordinary Shares · 1,632,653 shares Expires not disclosed F2 · derivative.exercise_date: The pre-funded warrants cannot be exercised if, as a result of such exercise, the holder, together with its affiliates and any other persons whose beneficial ownership would be aggregated with the holder for purposes of Section 13(d) of the Act, would beneficially own more than 9.99% of the total number of Ordinary Shares then outstanding immediately following such exercise. F3 · derivative.expiration_date: The pre-funded warrants do not expire. F2 · derivative.underlying_shares: The pre-funded warrants cannot be exercised if, as a result of such exercise, the holder, together with its affiliates and any other persons whose beneficial ownership would be aggregated with the holder for purposes of Section 13(d) of the Act, would beneficially own more than 9.99% of the total number of Ordinary Shares then outstanding immediately following such exercise. F1 · ownership.nature: Represents a pre-funded warrant to purchase 1,257,141 Ordinary Shares and a pre-funded warrant to purchase 375,512 Ordinary Shares, purchased by Bain Capital Life Sciences Opportunities III, LP ("BCLS Fund III Opportunities") and BCLS II Equity Opportunities, LP ("BCLS Fund II Opportunities"), respectively, in an underwritten public offering. F4 · ownership.nature: Bain Capital Life Sciences III General Partner, LLC ("BCLS III GP") is the general partner of Bain Capital Life Sciences Fund III, L.P. ("BCLS III"), which is the sole member of Bain Capital Life Sciences Opportunities III GP, LLC ("BCLS Fund III Opportunities GP"), which is the general partner of BCLS Fund III Opportunities. As a result, each of BCLS III GP and BCLS III may be deemed to share voting and dispositive power with respect to the securities held by BCLS Fund III Opportunities. Each of BCLS III GP and BCLS III disclaims beneficial ownership of such securities except to the extent of its pecuniary interest therein. F5 · ownership.nature: Bain Capital Life Sciences Investors II, LLC ("BCLSI II") is the general partner of Bain Capital Life Sciences Fund II, L.P. ("BCLS Fund II"), which is the manager of BCLS II Equity Opportunities GP, LLC, which is the general partner of BCLS Fund II Opportunities. As a result, each of BCLSI II and BCLS Fund II may be deemed to share voting and dispositive power with respect to the securities held by BCLS Fund II Opportunities. Each of BCLSI II and BCLS Fund II disclaims beneficial ownership of such securities except to the extent of its pecuniary interest therein. F6 · ownership.nature: Bain Capital Life Sciences Investors, LLC ("BCLSI") is the manager of each of BCLS III GP and BCLSI II. As a result, BCLSI may be deemed to share voting and dispositive power with respect to the securities held by each of BCLS Fund III Opportunities and BCLS Fund II Opportunities. BCLSI disclaims beneficial ownership of such securities except to the extent of its pecuniary interest therein. Read SEC document
January 11, 2024 Filed Jan 12, 2024 22:09 UTC	Solid Biosciences Inc. SLDB · Entity 4915	GrantCommon Stock	904,160	$5.53	$5,000,004.80	Disclosure SEC source: 0000950170-24-004289 · ownership.xml · nonDerivative · entry 1 Bain Capital Life Sciences Investors, LLC · CIK 0001703031 · Director · 10% owner BCLS SB Investco, LP · CIK 0001728056 · Director · 10% owner Bain Capital Life Sciences Partners, LP · CIK 0001703030 · Director · 10% owner Bain Capital Life Sciences Fund II, L.P. · CIK 0001773187 · Director · 10% owner Bain Capital Life Sciences Investors II, LLC · CIK 0001796155 · Director · 10% owner BCLS II Investco, LP · CIK 0001818893 · Director · 10% owner BCLS II Investco (GP), LLC · CIK 0001819101 · Director · 10% owner BCIP Life Sciences Associates, LP · CIK 0001702921 · Director · 10% owner Joint disclosure: these amounts are not allocated separately to each reporting owner. 10b5-1 filing: No plan indicated Ownership: Indirect · See footnotes Disclosed balance after: 4,034,582 F1 · kind: On January 8, 2024, BCLS II Equity Opportunities, LP ("BCLS II Equity") entered into a securities purchase agreement with the Issuer pursuant to which the Issuer agreed to issue and sell 904,160 shares of Common Stock to BCLS II Equity at a price of $5.53 per share (the "January 2024 Private Placement"). The January 2024 Private Placement closed on January 11, 2024. BCLS II Equity and BCLS II Equity Opportunities GP, LLC ("BCLS II Equity GP"), its general partner, plan to file a Form 3 with the Securities and Exchange Commission in connection with the acquisition of shares of Common Stock by BCLS II Equity in the January 2024 Private Placement. F2 · ownership.nature: Represents 528,660 shares of Common Stock held directly by BCLS SB Investco, LP ("BCLS SB"), 267,257 shares of Common Stock held directly by Bain Capital Life Sciences Fund II, L.P. ("BCLS Fund II"), 2,301,955 shares of Common Stock held directly by BCLS II Investco, LP ("BCLS II Investco"), 904,160 shares of Common Stock held directly by BCLS II Equity and 32,550 shares of Common Stock held directly by BCIP Life Sciences Associates, LP ("BCIPLS" and, together with BCLS SB, BCLS Fund II, BCLS II Investco and BCLS II Equity, the "Bain Capital Life Sciences Entities"), after giving effect to the closing of the January 2024 Private Placement. F3 · ownership.nature: Bain Capital Life Sciences Partners, LP ("BCLSP") is the general partner of BCLS SB. As a result, BCLSP may be deemed to share voting and dispositive power with respect to the securities held by BCLS SB. BCLSP disclaims beneficial ownership of such securities except to the extent of its pecuniary interest therein. F4 · ownership.nature: Bain Capital Life Sciences Investors II, LLC ("BCLSI II") is the general partner of BCLS Fund II. As a result, BCLSI II may be deemed to share voting and dispositive power with respect to the securities held by BCLS Fund II. BCLSI II disclaims beneficial ownership of such securities except to the extent of its pecuniary interest therein. F5 · ownership.nature: BCLS II Investco (GP), LLC ("BCLS II Investco GP"), whose managing member is BCLS Fund II, is the general partner of BCLS II Investco. As a result, each of BCLSI II, BCLS Fund II and BCLS II Investco GP may be deemed to share voting and dispositive power with respect to the securities held by BCLS II Investco. Each of BCLSI II, BCLS Fund II and BCLS II Investco GP disclaims beneficial ownership of such securities except to the extent of its pecuniary interest therein. F6 · ownership.nature: BCLS Fund II is the manager of BCLS II Equity GP. As a result, each of BCLSI II and BCLS Fund II may be deemed to share voting and dispositive power with respect to the securities held by BCLS II Equity. Each of BCLSI II and BCLS Fund II disclaims beneficial ownership of such securities except to the extent of its pecuniary interest therein. F7 · ownership.nature: Boylston Coinvestors, LLC is the general partner of BCIPLS. F8 · ownership.nature: Bain Capital Life Sciences Investors, LLC ("BCLSI") (i) is the general partner of BCLSP, (ii) is the manager of BCLSI II and (iii) governs the investment strategy and decision-making process with respect to investments held by BCIPLS. As a result, BCLSI may be deemed to share voting and dispositive power with respect to the securities held by the Bain Capital Life Sciences Entities. BCLSI disclaims beneficial ownership of such securities except to the extent of its pecuniary interest therein. Read SEC document
December 10, 2021 Filed Dec 11, 2021 01:33 UTC	Xilio Therapeutics, Inc. XLO · Entity 7122	PurchaseCommon Stock	3,188	$10.24	$32,638.11	Disclosure SEC source: 0000899243-21-047829 · doc4.xml · nonDerivative · entry 4 Bain Capital Life Sciences Investors, LLC · CIK 0001703031 · 10% owner Bain Capital Life Sciences Fund II, L.P. · CIK 0001773187 · 10% owner Bain Capital Life Sciences Investors II, LLC · CIK 0001796155 · 10% owner BCLS II Investco, LP · CIK 0001818893 · 10% owner BCLS II Investo (GP), LLC · CIK 0001819101 · 10% owner BCIP Life Sciences Associates, LP · CIK 0001702921 · 10% owner Joint disclosure: these amounts are not allocated separately to each reporting owner. 10b5-1 filing: Not disclosed Ownership: Indirect · See footnotes Disclosed balance after: 2,805,413 F1 · kind: On December 8, 2021, December 9, 2021 and December 10, 2021, BCLS II Investco, LP ("BCLS II Investco") purchased 13,458, 4,011 and 25,000 shares of the Issuer's common stock, respectively. F5 · price: The price reported in Column 4 is a weighted average price. The shares were purchased in multiple transactions at prices ranging from $10.13 to $10.25, inclusive. F6 · ownership.nature: Represents shares of the Issuer's common stock held by Bain Capital Life Sciences Fund II, L.P. ("BCLS II"), BCLS II Investco and BCIP Life Sciences Associates, LP ("BCIPLS" and, together with BCLS II and BCLS II Investco, the "Bain Capital Life Sciences Entities"). Following the completion of the transactions reported in footnote (1) to this Form 4, BCLS II, BCLS II Investco and BCIPLS each holds 1,348,682, 1,292,469 and 164,262 shares of the Issuer's common stock, respectively. F7 · ownership.nature: Bain Capital Life Sciences Investors II, LLC ("BCLSI II") is the general partner of BCLS II. As a result, BCLSI II may be deemed to share voting and dispositive power with respect to the securities held by BCLS II. BCLSI II disclaims beneficial ownership of such securities except to the extent of its pecuniary interest therein. F8 · ownership.nature: BCLS II Investco (GP), LLC ("BCLS II Investco GP"), whose manager is BCLS II, is the general partner of BCLS II Investco. As a result, each of BCLSI II, BCLS II and BCLS II Investco GP may be deemed to share voting and dispositive power with respect to the securities held by BCLS II Investco. Each of BCLSI II, BCLS II and BCLS II Investco GP disclaims beneficial ownership of such securities except to the extent of its pecuniary interest therein. F9 · ownership.nature: Boylston Coinvestors, LLC is the general partner of BCIPLS. F10 · ownership.nature: Bain Capital Life Sciences Investors, LLC ("BCLSI") is the manager of BCLSI II and governs the investment strategy and decision-making process with respect to investments held by BCIPLS. As a result, BCLSI may be deemed to share voting and dispositive power with respect to the securities held by the Bain Capital Life Sciences Entities. BCLSI disclaims beneficial ownership of such securities except to the extent of its pecuniary interest therein. Read SEC document
December 10, 2021 Filed Dec 11, 2021 01:33 UTC	Xilio Therapeutics, Inc. XLO · Entity 7122	PurchaseCommon Stock	21,812	$9.56	$208,564.16	Disclosure SEC source: 0000899243-21-047829 · doc4.xml · nonDerivative · entry 3 Bain Capital Life Sciences Investors, LLC · CIK 0001703031 · 10% owner Bain Capital Life Sciences Fund II, L.P. · CIK 0001773187 · 10% owner Bain Capital Life Sciences Investors II, LLC · CIK 0001796155 · 10% owner BCLS II Investco, LP · CIK 0001818893 · 10% owner BCLS II Investo (GP), LLC · CIK 0001819101 · 10% owner BCIP Life Sciences Associates, LP · CIK 0001702921 · 10% owner Joint disclosure: these amounts are not allocated separately to each reporting owner. 10b5-1 filing: Not disclosed Ownership: Indirect · See footnotes Disclosed balance after: 2,802,225 F1 · kind: On December 8, 2021, December 9, 2021 and December 10, 2021, BCLS II Investco, LP ("BCLS II Investco") purchased 13,458, 4,011 and 25,000 shares of the Issuer's common stock, respectively. F4 · price: The price reported in Column 4 is a weighted average price. The shares were purchased in multiple transactions at prices ranging from $9.07 to $10.00, inclusive. F6 · ownership.nature: Represents shares of the Issuer's common stock held by Bain Capital Life Sciences Fund II, L.P. ("BCLS II"), BCLS II Investco and BCIP Life Sciences Associates, LP ("BCIPLS" and, together with BCLS II and BCLS II Investco, the "Bain Capital Life Sciences Entities"). Following the completion of the transactions reported in footnote (1) to this Form 4, BCLS II, BCLS II Investco and BCIPLS each holds 1,348,682, 1,292,469 and 164,262 shares of the Issuer's common stock, respectively. F7 · ownership.nature: Bain Capital Life Sciences Investors II, LLC ("BCLSI II") is the general partner of BCLS II. As a result, BCLSI II may be deemed to share voting and dispositive power with respect to the securities held by BCLS II. BCLSI II disclaims beneficial ownership of such securities except to the extent of its pecuniary interest therein. F8 · ownership.nature: BCLS II Investco (GP), LLC ("BCLS II Investco GP"), whose manager is BCLS II, is the general partner of BCLS II Investco. As a result, each of BCLSI II, BCLS II and BCLS II Investco GP may be deemed to share voting and dispositive power with respect to the securities held by BCLS II Investco. Each of BCLSI II, BCLS II and BCLS II Investco GP disclaims beneficial ownership of such securities except to the extent of its pecuniary interest therein. F9 · ownership.nature: Boylston Coinvestors, LLC is the general partner of BCIPLS. F10 · ownership.nature: Bain Capital Life Sciences Investors, LLC ("BCLSI") is the manager of BCLSI II and governs the investment strategy and decision-making process with respect to investments held by BCIPLS. As a result, BCLSI may be deemed to share voting and dispositive power with respect to the securities held by the Bain Capital Life Sciences Entities. BCLSI disclaims beneficial ownership of such securities except to the extent of its pecuniary interest therein. Read SEC document
December 09, 2021 Filed Dec 11, 2021 01:33 UTC	Xilio Therapeutics, Inc. XLO · Entity 7122	PurchaseCommon Stock	4,011	$9.84	$39,485.09	Disclosure SEC source: 0000899243-21-047829 · doc4.xml · nonDerivative · entry 2 Bain Capital Life Sciences Investors, LLC · CIK 0001703031 · 10% owner Bain Capital Life Sciences Fund II, L.P. · CIK 0001773187 · 10% owner Bain Capital Life Sciences Investors II, LLC · CIK 0001796155 · 10% owner BCLS II Investco, LP · CIK 0001818893 · 10% owner BCLS II Investo (GP), LLC · CIK 0001819101 · 10% owner BCIP Life Sciences Associates, LP · CIK 0001702921 · 10% owner Joint disclosure: these amounts are not allocated separately to each reporting owner. 10b5-1 filing: Not disclosed Ownership: Indirect · See footnotes Disclosed balance after: 2,780,413 F1 · kind: On December 8, 2021, December 9, 2021 and December 10, 2021, BCLS II Investco, LP ("BCLS II Investco") purchased 13,458, 4,011 and 25,000 shares of the Issuer's common stock, respectively. F3 · price: The price reported in Column 4 is a weighted average price. The shares were purchased in multiple transactions at prices ranging from $9.53 to $10.00, inclusive. F6 · ownership.nature: Represents shares of the Issuer's common stock held by Bain Capital Life Sciences Fund II, L.P. ("BCLS II"), BCLS II Investco and BCIP Life Sciences Associates, LP ("BCIPLS" and, together with BCLS II and BCLS II Investco, the "Bain Capital Life Sciences Entities"). Following the completion of the transactions reported in footnote (1) to this Form 4, BCLS II, BCLS II Investco and BCIPLS each holds 1,348,682, 1,292,469 and 164,262 shares of the Issuer's common stock, respectively. F7 · ownership.nature: Bain Capital Life Sciences Investors II, LLC ("BCLSI II") is the general partner of BCLS II. As a result, BCLSI II may be deemed to share voting and dispositive power with respect to the securities held by BCLS II. BCLSI II disclaims beneficial ownership of such securities except to the extent of its pecuniary interest therein. F8 · ownership.nature: BCLS II Investco (GP), LLC ("BCLS II Investco GP"), whose manager is BCLS II, is the general partner of BCLS II Investco. As a result, each of BCLSI II, BCLS II and BCLS II Investco GP may be deemed to share voting and dispositive power with respect to the securities held by BCLS II Investco. Each of BCLSI II, BCLS II and BCLS II Investco GP disclaims beneficial ownership of such securities except to the extent of its pecuniary interest therein. F9 · ownership.nature: Boylston Coinvestors, LLC is the general partner of BCIPLS. F10 · ownership.nature: Bain Capital Life Sciences Investors, LLC ("BCLSI") is the manager of BCLSI II and governs the investment strategy and decision-making process with respect to investments held by BCIPLS. As a result, BCLSI may be deemed to share voting and dispositive power with respect to the securities held by the Bain Capital Life Sciences Entities. BCLSI disclaims beneficial ownership of such securities except to the extent of its pecuniary interest therein. Read SEC document
December 08, 2021 Filed Dec 11, 2021 01:33 UTC	Xilio Therapeutics, Inc. XLO · Entity 7122	PurchaseCommon Stock	13,458	$9.62	$129,474.03	Disclosure SEC source: 0000899243-21-047829 · doc4.xml · nonDerivative · entry 1 Bain Capital Life Sciences Investors, LLC · CIK 0001703031 · 10% owner Bain Capital Life Sciences Fund II, L.P. · CIK 0001773187 · 10% owner Bain Capital Life Sciences Investors II, LLC · CIK 0001796155 · 10% owner BCLS II Investco, LP · CIK 0001818893 · 10% owner BCLS II Investo (GP), LLC · CIK 0001819101 · 10% owner BCIP Life Sciences Associates, LP · CIK 0001702921 · 10% owner Joint disclosure: these amounts are not allocated separately to each reporting owner. 10b5-1 filing: Not disclosed Ownership: Indirect · See footnotes Disclosed balance after: 2,776,402 F1 · kind: On December 8, 2021, December 9, 2021 and December 10, 2021, BCLS II Investco, LP ("BCLS II Investco") purchased 13,458, 4,011 and 25,000 shares of the Issuer's common stock, respectively. F2 · price: The price reported in Column 4 is a weighted average price. The shares were purchased in multiple transactions at prices ranging from $9.41 to $9.75, inclusive. The reporting persons undertake to provide to the Issuer, any securityholder of the Issuer or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares purchased at each separate price within the ranges set forth in footnotes (2) through (5) to this Form 4. F6 · ownership.nature: Represents shares of the Issuer's common stock held by Bain Capital Life Sciences Fund II, L.P. ("BCLS II"), BCLS II Investco and BCIP Life Sciences Associates, LP ("BCIPLS" and, together with BCLS II and BCLS II Investco, the "Bain Capital Life Sciences Entities"). Following the completion of the transactions reported in footnote (1) to this Form 4, BCLS II, BCLS II Investco and BCIPLS each holds 1,348,682, 1,292,469 and 164,262 shares of the Issuer's common stock, respectively. F7 · ownership.nature: Bain Capital Life Sciences Investors II, LLC ("BCLSI II") is the general partner of BCLS II. As a result, BCLSI II may be deemed to share voting and dispositive power with respect to the securities held by BCLS II. BCLSI II disclaims beneficial ownership of such securities except to the extent of its pecuniary interest therein. F8 · ownership.nature: BCLS II Investco (GP), LLC ("BCLS II Investco GP"), whose manager is BCLS II, is the general partner of BCLS II Investco. As a result, each of BCLSI II, BCLS II and BCLS II Investco GP may be deemed to share voting and dispositive power with respect to the securities held by BCLS II Investco. Each of BCLSI II, BCLS II and BCLS II Investco GP disclaims beneficial ownership of such securities except to the extent of its pecuniary interest therein. F9 · ownership.nature: Boylston Coinvestors, LLC is the general partner of BCIPLS. F10 · ownership.nature: Bain Capital Life Sciences Investors, LLC ("BCLSI") is the manager of BCLSI II and governs the investment strategy and decision-making process with respect to investments held by BCIPLS. As a result, BCLSI may be deemed to share voting and dispositive power with respect to the securities held by the Bain Capital Life Sciences Entities. BCLSI disclaims beneficial ownership of such securities except to the extent of its pecuniary interest therein. Read SEC document

Value uses the disclosed total when available, otherwise shares × reported transaction price. It is not an estimate of exercise cash cost or investment performance.