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Nasdaq · USD

KYMR

Kymera Therapeutics, Inc.

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Tapewire entity
3545
SEC CIK
0001815442
Parsed reports
296

Last 12 months

Inside the activity.

2 purchase rows · 274 sale rows

Disclosed non-derivative P/S rows, by transaction month. Includes amendments and private transactions.
Monthly counts
MonthPurchasesSales
Nov 202500
Dec 2025229
Jan 202603
Feb 202607
Mar 2026037
Apr 2026022
May 202608
Jun 20260152
Jul 202607
Aug 202600
Sep 202603
Oct 202606

Latest available

Insider transactions

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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.”

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

Transaction dateOwner / reported roleActivity / securityShares / unitsReported priceReported valueDetails
June 29, 2026 Filed Jul 2, 2026 21:39 UTC Amendment
Booth BruceDirector
SaleCommon Stock 1,078 $110.67 $119,302.26
Disclosure

SEC source: 0001451612-26-000022 · form4a-07022026_090703.xml · nonDerivative · entry 13

Booth Bruce · CIK 0001451612 · Director

10b5-1 filing: Plan reported

Ownership: Indirect · See footnote

Disclosed balance after: 462,986

F1 · kind: This transaction was made pursuant to a Rule 10b5-1 trading plan adopted by Atlas Venture Fund X, L.P. and Atlas Venture Opportunity Fund I, L.P. on December 11, 2025.

F2 · shares: The number of shares disposed and the number of shares owned following reported transaction were inadvertently misreported on the original Form 4. This represents to correct number.

F9 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $110.09 to $111.08 inclusive.

F2 · balance_after: The number of shares disposed and the number of shares owned following reported transaction were inadvertently misreported on the original Form 4. This represents to correct number.

F11 · ownership.nature: The shares are owned directly by Atlas Venture Opportunity Fund I, L.P. ("AVOF"). Atlas Venture Associates Opportunity I, L.P. ("AVAO LP") is the general partner of AVOF. Atlas Venture Associates Opportunity I, LLC ("AVAO LLC") is the general partner of AVAO LP. The Reporting Person is a member of AVAO LLC and disclaims Section 16 beneficial ownership of such securities held by AVOF, except to the extent of his pecuniary interest therein, if any.

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June 29, 2026 Filed Jul 2, 2026 21:39 UTC Amendment
Booth BruceDirector
SaleCommon Stock 1,104 $109.75 $121,164.00
Disclosure

SEC source: 0001451612-26-000022 · form4a-07022026_090703.xml · nonDerivative · entry 12

Booth Bruce · CIK 0001451612 · Director

10b5-1 filing: Plan reported

Ownership: Indirect · See footnote

Disclosed balance after: 464,064

F1 · kind: This transaction was made pursuant to a Rule 10b5-1 trading plan adopted by Atlas Venture Fund X, L.P. and Atlas Venture Opportunity Fund I, L.P. on December 11, 2025.

F2 · shares: The number of shares disposed and the number of shares owned following reported transaction were inadvertently misreported on the original Form 4. This represents to correct number.

F8 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $109.034 to $109.96 inclusive.

F2 · balance_after: The number of shares disposed and the number of shares owned following reported transaction were inadvertently misreported on the original Form 4. This represents to correct number.

F11 · ownership.nature: The shares are owned directly by Atlas Venture Opportunity Fund I, L.P. ("AVOF"). Atlas Venture Associates Opportunity I, L.P. ("AVAO LP") is the general partner of AVOF. Atlas Venture Associates Opportunity I, LLC ("AVAO LLC") is the general partner of AVAO LP. The Reporting Person is a member of AVAO LLC and disclaims Section 16 beneficial ownership of such securities held by AVOF, except to the extent of his pecuniary interest therein, if any.

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June 29, 2026 Filed Jul 2, 2026 21:39 UTC Amendment
Booth BruceDirector
SaleCommon Stock 1,498 $108.28 $162,203.44
Disclosure

SEC source: 0001451612-26-000022 · form4a-07022026_090703.xml · nonDerivative · entry 11

Booth Bruce · CIK 0001451612 · Director

10b5-1 filing: Plan reported

Ownership: Indirect · See footnote

Disclosed balance after: 465,168

F1 · kind: This transaction was made pursuant to a Rule 10b5-1 trading plan adopted by Atlas Venture Fund X, L.P. and Atlas Venture Opportunity Fund I, L.P. on December 11, 2025.

F2 · shares: The number of shares disposed and the number of shares owned following reported transaction were inadvertently misreported on the original Form 4. This represents to correct number.

F7 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $108.0326 to $109.019 inclusive.

F2 · balance_after: The number of shares disposed and the number of shares owned following reported transaction were inadvertently misreported on the original Form 4. This represents to correct number.

F11 · ownership.nature: The shares are owned directly by Atlas Venture Opportunity Fund I, L.P. ("AVOF"). Atlas Venture Associates Opportunity I, L.P. ("AVAO LP") is the general partner of AVOF. Atlas Venture Associates Opportunity I, LLC ("AVAO LLC") is the general partner of AVAO LP. The Reporting Person is a member of AVAO LLC and disclaims Section 16 beneficial ownership of such securities held by AVOF, except to the extent of his pecuniary interest therein, if any.

Read SEC document
June 29, 2026 Filed Jul 2, 2026 21:39 UTC Amendment
Booth BruceDirector
SaleCommon Stock 2,698 $107.76 $290,736.48
Disclosure

SEC source: 0001451612-26-000022 · form4a-07022026_090703.xml · nonDerivative · entry 10

Booth Bruce · CIK 0001451612 · Director

10b5-1 filing: Plan reported

Ownership: Indirect · See footnote

Disclosed balance after: 466,666

F1 · kind: This transaction was made pursuant to a Rule 10b5-1 trading plan adopted by Atlas Venture Fund X, L.P. and Atlas Venture Opportunity Fund I, L.P. on December 11, 2025.

F2 · shares: The number of shares disposed and the number of shares owned following reported transaction were inadvertently misreported on the original Form 4. This represents to correct number.

F6 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $107.03 to $108.0293 inclusive.

F2 · balance_after: The number of shares disposed and the number of shares owned following reported transaction were inadvertently misreported on the original Form 4. This represents to correct number.

F11 · ownership.nature: The shares are owned directly by Atlas Venture Opportunity Fund I, L.P. ("AVOF"). Atlas Venture Associates Opportunity I, L.P. ("AVAO LP") is the general partner of AVOF. Atlas Venture Associates Opportunity I, LLC ("AVAO LLC") is the general partner of AVAO LP. The Reporting Person is a member of AVAO LLC and disclaims Section 16 beneficial ownership of such securities held by AVOF, except to the extent of his pecuniary interest therein, if any.

Read SEC document
June 29, 2026 Filed Jul 2, 2026 21:39 UTC Amendment
Booth BruceDirector
SaleCommon Stock 2,133 $106.63 $227,441.79
Disclosure

SEC source: 0001451612-26-000022 · form4a-07022026_090703.xml · nonDerivative · entry 9

Booth Bruce · CIK 0001451612 · Director

10b5-1 filing: Plan reported

Ownership: Indirect · See footnote

Disclosed balance after: 469,364

F1 · kind: This transaction was made pursuant to a Rule 10b5-1 trading plan adopted by Atlas Venture Fund X, L.P. and Atlas Venture Opportunity Fund I, L.P. on December 11, 2025.

F2 · shares: The number of shares disposed and the number of shares owned following reported transaction were inadvertently misreported on the original Form 4. This represents to correct number.

F5 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $106.0271 to $106.96 inclusive.

F2 · balance_after: The number of shares disposed and the number of shares owned following reported transaction were inadvertently misreported on the original Form 4. This represents to correct number.

F11 · ownership.nature: The shares are owned directly by Atlas Venture Opportunity Fund I, L.P. ("AVOF"). Atlas Venture Associates Opportunity I, L.P. ("AVAO LP") is the general partner of AVOF. Atlas Venture Associates Opportunity I, LLC ("AVAO LLC") is the general partner of AVAO LP. The Reporting Person is a member of AVAO LLC and disclaims Section 16 beneficial ownership of such securities held by AVOF, except to the extent of his pecuniary interest therein, if any.

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June 29, 2026 Filed Jul 2, 2026 21:39 UTC Amendment
Booth BruceDirector
SaleCommon Stock 770 $105.78 $81,450.60
Disclosure

SEC source: 0001451612-26-000022 · form4a-07022026_090703.xml · nonDerivative · entry 8

Booth Bruce · CIK 0001451612 · Director

10b5-1 filing: Plan reported

Ownership: Indirect · See footnote

Disclosed balance after: 471,497

F1 · kind: This transaction was made pursuant to a Rule 10b5-1 trading plan adopted by Atlas Venture Fund X, L.P. and Atlas Venture Opportunity Fund I, L.P. on December 11, 2025.

F2 · shares: The number of shares disposed and the number of shares owned following reported transaction were inadvertently misreported on the original Form 4. This represents to correct number.

F3 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $105.015 to $106.0145 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 each separate price within the ranges set forth in footnotes (3) and (5) through (10).

F2 · balance_after: The number of shares disposed and the number of shares owned following reported transaction were inadvertently misreported on the original Form 4. This represents to correct number.

F11 · ownership.nature: The shares are owned directly by Atlas Venture Opportunity Fund I, L.P. ("AVOF"). Atlas Venture Associates Opportunity I, L.P. ("AVAO LP") is the general partner of AVOF. Atlas Venture Associates Opportunity I, LLC ("AVAO LLC") is the general partner of AVAO LP. The Reporting Person is a member of AVAO LLC and disclaims Section 16 beneficial ownership of such securities held by AVOF, except to the extent of his pecuniary interest therein, if any.

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June 29, 2026 Filed Jul 2, 2026 21:39 UTC Amendment
Booth BruceDirector
SaleCommon Stock 934 $111.20 $103,860.80
Disclosure

SEC source: 0001451612-26-000022 · form4a-07022026_090703.xml · nonDerivative · entry 7

Booth Bruce · CIK 0001451612 · Director

10b5-1 filing: Plan reported

Ownership: Indirect · See footnote

Disclosed balance after: 2,384,685

F1 · kind: This transaction was made pursuant to a Rule 10b5-1 trading plan adopted by Atlas Venture Fund X, L.P. and Atlas Venture Opportunity Fund I, L.P. on December 11, 2025.

F2 · shares: The number of shares disposed and the number of shares owned following reported transaction were inadvertently misreported on the original Form 4. This represents to correct number.

F10 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $111.09 to $111.63 inclusive.

F2 · balance_after: The number of shares disposed and the number of shares owned following reported transaction were inadvertently misreported on the original Form 4. This represents to correct number.

F4 · ownership.nature: These shares are held directly by Atlas Venture Fund X, L.P. ("Atlas Venture Fund X"). The general partner of Atlas Venture Fund X is Atlas Venture Associates X, L.P. ("AVA X LP"). Atlas Venture Associates X, LLC ("AVA X LLC") is the general partner of AVA X LP. The Reporting Person is a member of AVA X LLC and disclaims Section 16 beneficial ownership of the securities held by Atlas Venture Fund X, except to the extent of his pecuniary interest therein, if any.

Read SEC document
June 29, 2026 Filed Jul 2, 2026 21:39 UTC Amendment
Booth BruceDirector
SaleCommon Stock 7,723 $110.67 $854,704.41
Disclosure

SEC source: 0001451612-26-000022 · form4a-07022026_090703.xml · nonDerivative · entry 6

Booth Bruce · CIK 0001451612 · Director

10b5-1 filing: Plan reported

Ownership: Indirect · See footnote

Disclosed balance after: 2,385,619

F1 · kind: This transaction was made pursuant to a Rule 10b5-1 trading plan adopted by Atlas Venture Fund X, L.P. and Atlas Venture Opportunity Fund I, L.P. on December 11, 2025.

F2 · shares: The number of shares disposed and the number of shares owned following reported transaction were inadvertently misreported on the original Form 4. This represents to correct number.

F9 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $110.09 to $111.08 inclusive.

F2 · balance_after: The number of shares disposed and the number of shares owned following reported transaction were inadvertently misreported on the original Form 4. This represents to correct number.

F4 · ownership.nature: These shares are held directly by Atlas Venture Fund X, L.P. ("Atlas Venture Fund X"). The general partner of Atlas Venture Fund X is Atlas Venture Associates X, L.P. ("AVA X LP"). Atlas Venture Associates X, LLC ("AVA X LLC") is the general partner of AVA X LP. The Reporting Person is a member of AVA X LLC and disclaims Section 16 beneficial ownership of the securities held by Atlas Venture Fund X, except to the extent of his pecuniary interest therein, if any.

Read SEC document
June 29, 2026 Filed Jul 2, 2026 21:39 UTC Amendment
Booth BruceDirector
SaleCommon Stock 7,968 $109.75 $874,488.00
Disclosure

SEC source: 0001451612-26-000022 · form4a-07022026_090703.xml · nonDerivative · entry 5

Booth Bruce · CIK 0001451612 · Director

10b5-1 filing: Plan reported

Ownership: Indirect · See footnote

Disclosed balance after: 2,393,342

F1 · kind: This transaction was made pursuant to a Rule 10b5-1 trading plan adopted by Atlas Venture Fund X, L.P. and Atlas Venture Opportunity Fund I, L.P. on December 11, 2025.

F2 · shares: The number of shares disposed and the number of shares owned following reported transaction were inadvertently misreported on the original Form 4. This represents to correct number.

F8 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $109.034 to $109.96 inclusive.

F2 · balance_after: The number of shares disposed and the number of shares owned following reported transaction were inadvertently misreported on the original Form 4. This represents to correct number.

F4 · ownership.nature: These shares are held directly by Atlas Venture Fund X, L.P. ("Atlas Venture Fund X"). The general partner of Atlas Venture Fund X is Atlas Venture Associates X, L.P. ("AVA X LP"). Atlas Venture Associates X, LLC ("AVA X LLC") is the general partner of AVA X LP. The Reporting Person is a member of AVA X LLC and disclaims Section 16 beneficial ownership of the securities held by Atlas Venture Fund X, except to the extent of his pecuniary interest therein, if any.

Read SEC document
June 29, 2026 Filed Jul 2, 2026 21:39 UTC Amendment
Booth BruceDirector
SaleCommon Stock 10,848 $108.28 $1,174,621.44
Disclosure

SEC source: 0001451612-26-000022 · form4a-07022026_090703.xml · nonDerivative · entry 4

Booth Bruce · CIK 0001451612 · Director

10b5-1 filing: Plan reported

Ownership: Indirect · See footnote

Disclosed balance after: 2,401,310

F1 · kind: This transaction was made pursuant to a Rule 10b5-1 trading plan adopted by Atlas Venture Fund X, L.P. and Atlas Venture Opportunity Fund I, L.P. on December 11, 2025.

F2 · shares: The number of shares disposed and the number of shares owned following reported transaction were inadvertently misreported on the original Form 4. This represents to correct number.

F7 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $108.0326 to $109.019 inclusive.

F2 · balance_after: The number of shares disposed and the number of shares owned following reported transaction were inadvertently misreported on the original Form 4. This represents to correct number.

F4 · ownership.nature: These shares are held directly by Atlas Venture Fund X, L.P. ("Atlas Venture Fund X"). The general partner of Atlas Venture Fund X is Atlas Venture Associates X, L.P. ("AVA X LP"). Atlas Venture Associates X, LLC ("AVA X LLC") is the general partner of AVA X LP. The Reporting Person is a member of AVA X LLC and disclaims Section 16 beneficial ownership of the securities held by Atlas Venture Fund X, except to the extent of his pecuniary interest therein, if any.

Read SEC document
June 29, 2026 Filed Jul 2, 2026 21:39 UTC Amendment
Booth BruceDirector
SaleCommon Stock 19,419 $107.76 $2,092,591.44
Disclosure

SEC source: 0001451612-26-000022 · form4a-07022026_090703.xml · nonDerivative · entry 3

Booth Bruce · CIK 0001451612 · Director

10b5-1 filing: Plan reported

Ownership: Indirect · See footnote

Disclosed balance after: 2,412,158

F1 · kind: This transaction was made pursuant to a Rule 10b5-1 trading plan adopted by Atlas Venture Fund X, L.P. and Atlas Venture Opportunity Fund I, L.P. on December 11, 2025.

F2 · shares: The number of shares disposed and the number of shares owned following reported transaction were inadvertently misreported on the original Form 4. This represents to correct number.

F6 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $107.03 to $108.0293 inclusive.

F2 · balance_after: The number of shares disposed and the number of shares owned following reported transaction were inadvertently misreported on the original Form 4. This represents to correct number.

F4 · ownership.nature: These shares are held directly by Atlas Venture Fund X, L.P. ("Atlas Venture Fund X"). The general partner of Atlas Venture Fund X is Atlas Venture Associates X, L.P. ("AVA X LP"). Atlas Venture Associates X, LLC ("AVA X LLC") is the general partner of AVA X LP. The Reporting Person is a member of AVA X LLC and disclaims Section 16 beneficial ownership of the securities held by Atlas Venture Fund X, except to the extent of his pecuniary interest therein, if any.

Read SEC document
June 29, 2026 Filed Jul 2, 2026 21:39 UTC Amendment
Booth BruceDirector
SaleCommon Stock 14,798 $106.63 $1,577,910.74
Disclosure

SEC source: 0001451612-26-000022 · form4a-07022026_090703.xml · nonDerivative · entry 2

Booth Bruce · CIK 0001451612 · Director

10b5-1 filing: Plan reported

Ownership: Indirect · See footnote

Disclosed balance after: 2,431,577

F1 · kind: This transaction was made pursuant to a Rule 10b5-1 trading plan adopted by Atlas Venture Fund X, L.P. and Atlas Venture Opportunity Fund I, L.P. on December 11, 2025.

F2 · shares: The number of shares disposed and the number of shares owned following reported transaction were inadvertently misreported on the original Form 4. This represents to correct number.

F5 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $106.0271 to $106.96 inclusive.

F2 · balance_after: The number of shares disposed and the number of shares owned following reported transaction were inadvertently misreported on the original Form 4. This represents to correct number.

F4 · ownership.nature: These shares are held directly by Atlas Venture Fund X, L.P. ("Atlas Venture Fund X"). The general partner of Atlas Venture Fund X is Atlas Venture Associates X, L.P. ("AVA X LP"). Atlas Venture Associates X, LLC ("AVA X LLC") is the general partner of AVA X LP. The Reporting Person is a member of AVA X LLC and disclaims Section 16 beneficial ownership of the securities held by Atlas Venture Fund X, except to the extent of his pecuniary interest therein, if any.

Read SEC document
June 29, 2026 Filed Jul 2, 2026 21:39 UTC Amendment
Booth BruceDirector
SaleCommon Stock 5,549 $105.78 $586,973.22
Disclosure

SEC source: 0001451612-26-000022 · form4a-07022026_090703.xml · nonDerivative · entry 1

Booth Bruce · CIK 0001451612 · Director

10b5-1 filing: Plan reported

Ownership: Indirect · See footnote

Disclosed balance after: 2,446,375

F1 · kind: This transaction was made pursuant to a Rule 10b5-1 trading plan adopted by Atlas Venture Fund X, L.P. and Atlas Venture Opportunity Fund I, L.P. on December 11, 2025.

F2 · shares: The number of shares disposed and the number of shares owned following reported transaction were inadvertently misreported on the original Form 4. This represents to correct number.

F3 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $105.015 to $106.0145 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 each separate price within the ranges set forth in footnotes (3) and (5) through (10).

F2 · balance_after: The number of shares disposed and the number of shares owned following reported transaction were inadvertently misreported on the original Form 4. This represents to correct number.

F4 · ownership.nature: These shares are held directly by Atlas Venture Fund X, L.P. ("Atlas Venture Fund X"). The general partner of Atlas Venture Fund X is Atlas Venture Associates X, L.P. ("AVA X LP"). Atlas Venture Associates X, LLC ("AVA X LLC") is the general partner of AVA X LP. The Reporting Person is a member of AVA X LLC and disclaims Section 16 beneficial ownership of the securities held by Atlas Venture Fund X, except to the extent of his pecuniary interest therein, if any.

Read SEC document
June 26, 2026 Filed Jun 26, 2026 22:48 UTC
BVF PARTNERS L P/ILDirector · See Remarks and Footnotes
BIOTECHNOLOGY VALUE FUND L PDirector · See Remarks and Footnotes
BVF I GP LLCDirector · See Remarks and Footnotes
BIOTECHNOLOGY VALUE FUND II LPDirector · See Remarks and Footnotes
BVF II GP LLCDirector · See Remarks and Footnotes
Biotechnology Value Trading Fund OS LPDirector · See Remarks and Footnotes
BVF Partners OS Ltd.Director · See Remarks and Footnotes
BVF GP HOLDINGS LLCDirector · See Remarks and Footnotes
BVF INC/ILDirector · See Remarks and Footnotes
LAMPERT MARK NDirector · See Remarks and Footnotes
SaleCommon Stock, $0.0001 par value 51,858 $106.50 $5,522,877.00
Disclosure

SEC source: 0000921895-26-001688 · form407422010_06262026.xml · nonDerivative · entry 4

BVF PARTNERS L P/IL · CIK 0001055947 · Director · See Remarks and Footnotes

BIOTECHNOLOGY VALUE FUND L P · CIK 0000918923 · Director · See Remarks and Footnotes

BVF I GP LLC · CIK 0001803805 · Director · See Remarks and Footnotes

BIOTECHNOLOGY VALUE FUND II LP · CIK 0001102444 · Director · See Remarks and Footnotes

BVF II GP LLC · CIK 0001803806 · Director · See Remarks and Footnotes

Biotechnology Value Trading Fund OS LP · CIK 0001660683 · Director · See Remarks and Footnotes

BVF Partners OS Ltd. · CIK 0001660684 · Director · See Remarks and Footnotes

BVF GP HOLDINGS LLC · CIK 0001803809 · Director · See Remarks and Footnotes

BVF INC/IL · CIK 0001056807 · Director · See Remarks and Footnotes

LAMPERT MARK N · CIK 0001233840 · Director · See Remarks and Footnotes

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

10b5-1 filing: No plan indicated

Ownership: Indirect · See footnote

Disclosed balance after: 78,787

F1 · security: This Form 4 is filed jointly by Biotechnology Value Fund, L.P. ("BVF"), Biotechnology Value Fund II, L.P. ("BVF2"), Biotechnology Value Trading Fund OS LP ("Trading Fund OS"), BVF Partners OS Ltd. ("Partners OS"), BVF I GP LLC ("BVF GP"), BVF II GP LLC ("BVF2 GP"), BVF GP Holdings LLC ("BVF GPH"), BVF Partners L.P. ("Partners"), BVF Inc. and Mark N. Lampert (collectively, the "Reporting Persons"). Each of the Reporting Persons is a member of a Section 13(d) group. Each of the Reporting Persons disclaims beneficial ownership of the securities reported herein except to the extent of his or its pecuniary interest therein.

F5 · ownership.direct: Securities held in a certain Partners managed account (the "Partners Managed Account"). Partners may be deemed to have indirect beneficial ownership of the securities of the Issuer held by the Partners Managed Account for purposes of Rule 16a-1(a)(2) because the securities account for more than 10% of the market value of the portfolio of the Partners Managed Account as of the reporting date. Partners, as the investment manager of the Partners Managed Account, may be deemed to beneficially own the securities held by the Partners Managed Account. As the investment adviser and general partner of Partners, BVF Inc. may be deemed to beneficially own the securities held by the Partners Managed Account. As a director and officer of BVF Inc., Mr. Lampert may be deemed to beneficially own the securities held by the Partners Managed Account.

F5 · ownership.nature: Securities held in a certain Partners managed account (the "Partners Managed Account"). Partners may be deemed to have indirect beneficial ownership of the securities of the Issuer held by the Partners Managed Account for purposes of Rule 16a-1(a)(2) because the securities account for more than 10% of the market value of the portfolio of the Partners Managed Account as of the reporting date. Partners, as the investment manager of the Partners Managed Account, may be deemed to beneficially own the securities held by the Partners Managed Account. As the investment adviser and general partner of Partners, BVF Inc. may be deemed to beneficially own the securities held by the Partners Managed Account. As a director and officer of BVF Inc., Mr. Lampert may be deemed to beneficially own the securities held by the Partners Managed Account.

Read SEC document
June 26, 2026 Filed Jun 26, 2026 22:48 UTC
BVF PARTNERS L P/ILDirector · See Remarks and Footnotes
BIOTECHNOLOGY VALUE FUND L PDirector · See Remarks and Footnotes
BVF I GP LLCDirector · See Remarks and Footnotes
BIOTECHNOLOGY VALUE FUND II LPDirector · See Remarks and Footnotes
BVF II GP LLCDirector · See Remarks and Footnotes
Biotechnology Value Trading Fund OS LPDirector · See Remarks and Footnotes
BVF Partners OS Ltd.Director · See Remarks and Footnotes
BVF GP HOLDINGS LLCDirector · See Remarks and Footnotes
BVF INC/ILDirector · See Remarks and Footnotes
LAMPERT MARK NDirector · See Remarks and Footnotes
SaleCommon Stock, $0.0001 par value 113,289 $106.50 $12,065,278.50
Disclosure

SEC source: 0000921895-26-001688 · form407422010_06262026.xml · nonDerivative · entry 3

BVF PARTNERS L P/IL · CIK 0001055947 · Director · See Remarks and Footnotes

BIOTECHNOLOGY VALUE FUND L P · CIK 0000918923 · Director · See Remarks and Footnotes

BVF I GP LLC · CIK 0001803805 · Director · See Remarks and Footnotes

BIOTECHNOLOGY VALUE FUND II LP · CIK 0001102444 · Director · See Remarks and Footnotes

BVF II GP LLC · CIK 0001803806 · Director · See Remarks and Footnotes

Biotechnology Value Trading Fund OS LP · CIK 0001660683 · Director · See Remarks and Footnotes

BVF Partners OS Ltd. · CIK 0001660684 · Director · See Remarks and Footnotes

BVF GP HOLDINGS LLC · CIK 0001803809 · Director · See Remarks and Footnotes

BVF INC/IL · CIK 0001056807 · Director · See Remarks and Footnotes

LAMPERT MARK N · CIK 0001233840 · Director · See Remarks and Footnotes

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

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 240,123

F1 · security: This Form 4 is filed jointly by Biotechnology Value Fund, L.P. ("BVF"), Biotechnology Value Fund II, L.P. ("BVF2"), Biotechnology Value Trading Fund OS LP ("Trading Fund OS"), BVF Partners OS Ltd. ("Partners OS"), BVF I GP LLC ("BVF GP"), BVF II GP LLC ("BVF2 GP"), BVF GP Holdings LLC ("BVF GPH"), BVF Partners L.P. ("Partners"), BVF Inc. and Mark N. Lampert (collectively, the "Reporting Persons"). Each of the Reporting Persons is a member of a Section 13(d) group. Each of the Reporting Persons disclaims beneficial ownership of the securities reported herein except to the extent of his or its pecuniary interest therein.

F4 · ownership.direct: Securities owned directly by Trading Fund OS. As the general partner of Trading Fund OS, Partners OS may be deemed to beneficially own the securities owned directly by Trading Fund OS. As the investment manager of Trading Fund OS and the sole member of Partners OS, Partners may be deemed to beneficially own the securities owned directly by Trading Fund OS. As the investment adviser and general partner of Partners, BVF Inc. may be deemed to beneficially own the securities owned directly by Trading Fund OS. As a director and officer of BVF Inc., Mr. Lampert may be deemed to beneficially own the securities owned directly by Trading Fund OS.

Read SEC document
June 26, 2026 Filed Jun 26, 2026 22:48 UTC
BVF PARTNERS L P/ILDirector · See Remarks and Footnotes
BIOTECHNOLOGY VALUE FUND L PDirector · See Remarks and Footnotes
BVF I GP LLCDirector · See Remarks and Footnotes
BIOTECHNOLOGY VALUE FUND II LPDirector · See Remarks and Footnotes
BVF II GP LLCDirector · See Remarks and Footnotes
Biotechnology Value Trading Fund OS LPDirector · See Remarks and Footnotes
BVF Partners OS Ltd.Director · See Remarks and Footnotes
BVF GP HOLDINGS LLCDirector · See Remarks and Footnotes
BVF INC/ILDirector · See Remarks and Footnotes
LAMPERT MARK NDirector · See Remarks and Footnotes
SaleCommon Stock, $0.0001 par value 627,597 $106.50 $66,839,080.50
Disclosure

SEC source: 0000921895-26-001688 · form407422010_06262026.xml · nonDerivative · entry 2

BVF PARTNERS L P/IL · CIK 0001055947 · Director · See Remarks and Footnotes

BIOTECHNOLOGY VALUE FUND L P · CIK 0000918923 · Director · See Remarks and Footnotes

BVF I GP LLC · CIK 0001803805 · Director · See Remarks and Footnotes

BIOTECHNOLOGY VALUE FUND II LP · CIK 0001102444 · Director · See Remarks and Footnotes

BVF II GP LLC · CIK 0001803806 · Director · See Remarks and Footnotes

Biotechnology Value Trading Fund OS LP · CIK 0001660683 · Director · See Remarks and Footnotes

BVF Partners OS Ltd. · CIK 0001660684 · Director · See Remarks and Footnotes

BVF GP HOLDINGS LLC · CIK 0001803809 · Director · See Remarks and Footnotes

BVF INC/IL · CIK 0001056807 · Director · See Remarks and Footnotes

LAMPERT MARK N · CIK 0001233840 · Director · See Remarks and Footnotes

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

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 1,592,261

F1 · security: This Form 4 is filed jointly by Biotechnology Value Fund, L.P. ("BVF"), Biotechnology Value Fund II, L.P. ("BVF2"), Biotechnology Value Trading Fund OS LP ("Trading Fund OS"), BVF Partners OS Ltd. ("Partners OS"), BVF I GP LLC ("BVF GP"), BVF II GP LLC ("BVF2 GP"), BVF GP Holdings LLC ("BVF GPH"), BVF Partners L.P. ("Partners"), BVF Inc. and Mark N. Lampert (collectively, the "Reporting Persons"). Each of the Reporting Persons is a member of a Section 13(d) group. Each of the Reporting Persons disclaims beneficial ownership of the securities reported herein except to the extent of his or its pecuniary interest therein.

F3 · ownership.direct: Securities owned directly by BVF2. As the general partner of BVF2, BVF2 GP may be deemed to beneficially own the securities owned directly by BVF2. As the sole member of BVF2 GP, BVF GPH may be deemed to beneficially own the securities owned directly by BVF2. As the investment manager of BVF2, Partners may be deemed to beneficially own the securities owned directly by BVF2. As the investment adviser and general partner of Partners, BVF Inc. may be deemed to beneficially own the securities owned directly by BVF2. As a director and officer of BVF Inc., Mr. Lampert may be deemed to beneficially own the securities owned directly by BVF2.

Read SEC document
June 26, 2026 Filed Jun 26, 2026 22:48 UTC
BVF PARTNERS L P/ILDirector · See Remarks and Footnotes
BIOTECHNOLOGY VALUE FUND L PDirector · See Remarks and Footnotes
BVF I GP LLCDirector · See Remarks and Footnotes
BIOTECHNOLOGY VALUE FUND II LPDirector · See Remarks and Footnotes
BVF II GP LLCDirector · See Remarks and Footnotes
Biotechnology Value Trading Fund OS LPDirector · See Remarks and Footnotes
BVF Partners OS Ltd.Director · See Remarks and Footnotes
BVF GP HOLDINGS LLCDirector · See Remarks and Footnotes
BVF INC/ILDirector · See Remarks and Footnotes
LAMPERT MARK NDirector · See Remarks and Footnotes
SaleCommon Stock, $0.0001 par value 837,914 $106.50 $89,237,841.00
Disclosure

SEC source: 0000921895-26-001688 · form407422010_06262026.xml · nonDerivative · entry 1

BVF PARTNERS L P/IL · CIK 0001055947 · Director · See Remarks and Footnotes

BIOTECHNOLOGY VALUE FUND L P · CIK 0000918923 · Director · See Remarks and Footnotes

BVF I GP LLC · CIK 0001803805 · Director · See Remarks and Footnotes

BIOTECHNOLOGY VALUE FUND II LP · CIK 0001102444 · Director · See Remarks and Footnotes

BVF II GP LLC · CIK 0001803806 · Director · See Remarks and Footnotes

Biotechnology Value Trading Fund OS LP · CIK 0001660683 · Director · See Remarks and Footnotes

BVF Partners OS Ltd. · CIK 0001660684 · Director · See Remarks and Footnotes

BVF GP HOLDINGS LLC · CIK 0001803809 · Director · See Remarks and Footnotes

BVF INC/IL · CIK 0001056807 · Director · See Remarks and Footnotes

LAMPERT MARK N · CIK 0001233840 · Director · See Remarks and Footnotes

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

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 1,960,881

F1 · security: This Form 4 is filed jointly by Biotechnology Value Fund, L.P. ("BVF"), Biotechnology Value Fund II, L.P. ("BVF2"), Biotechnology Value Trading Fund OS LP ("Trading Fund OS"), BVF Partners OS Ltd. ("Partners OS"), BVF I GP LLC ("BVF GP"), BVF II GP LLC ("BVF2 GP"), BVF GP Holdings LLC ("BVF GPH"), BVF Partners L.P. ("Partners"), BVF Inc. and Mark N. Lampert (collectively, the "Reporting Persons"). Each of the Reporting Persons is a member of a Section 13(d) group. Each of the Reporting Persons disclaims beneficial ownership of the securities reported herein except to the extent of his or its pecuniary interest therein.

F2 · ownership.direct: Securities owned directly by BVF. As the general partner of BVF, BVF GP may be deemed to beneficially own the securities owned directly by BVF. As the sole member of BVF GP, BVF GPH may be deemed to beneficially own the securities owned directly by BVF. As the investment manager of BVF, Partners may be deemed to beneficially own the securities owned directly by BVF. As the investment adviser and general partner of Partners, BVF Inc. may be deemed to beneficially own the securities owned directly by BVF. As a director and officer of BVF Inc., Mr. Lampert may be deemed to beneficially own the securities owned directly by BVF.

Read SEC document
June 26, 2026 Filed Jun 30, 2026 21:30 UTC
Booth BruceDirector
SaleCommon Stock 1,729 $118.66 $205,163.14
Disclosure

SEC source: 0001451612-26-000018 · form4-06302026_090613.xml · nonDerivative · entry 24

Booth Bruce · CIK 0001451612 · Director

10b5-1 filing: Plan reported

Ownership: Indirect · See footnote

Disclosed balance after: 472,267

F1 · kind: This transaction was made pursuant to a Rule 10b5-1 trading plan adopted by Atlas Venture Fund X, L.P. and Atlas Venture Opportunity Fund I, L.P. on December 11, 2025.

F14 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $118.2717 to $119.035 inclusive.

F15 · ownership.nature: The shares are owned directly by Atlas Venture Opportunity Fund I, L.P. ("AVOF"). Atlas Venture Associates Opportunity I, L.P. ("AVAO LP") is the general partner of AVOF. Atlas Venture Associates Opportunity I, LLC ("AVAO LLC") is the general partner of AVAO LP. The Reporting Person is a member of AVAO LLC and disclaims Section 16 beneficial ownership of such securities held by AVOF, except to the extent of his pecuniary interest therein, if any.

Read SEC document
June 26, 2026 Filed Jun 30, 2026 21:30 UTC
Booth BruceDirector
SaleCommon Stock 3,069 $117.85 $361,681.65
Disclosure

SEC source: 0001451612-26-000018 · form4-06302026_090613.xml · nonDerivative · entry 23

Booth Bruce · CIK 0001451612 · Director

10b5-1 filing: Plan reported

Ownership: Indirect · See footnote

Disclosed balance after: 473,996

F1 · kind: This transaction was made pursuant to a Rule 10b5-1 trading plan adopted by Atlas Venture Fund X, L.P. and Atlas Venture Opportunity Fund I, L.P. on December 11, 2025.

F13 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $117.2728 to $118.2599 inclusive.

F15 · ownership.nature: The shares are owned directly by Atlas Venture Opportunity Fund I, L.P. ("AVOF"). Atlas Venture Associates Opportunity I, L.P. ("AVAO LP") is the general partner of AVOF. Atlas Venture Associates Opportunity I, LLC ("AVAO LLC") is the general partner of AVAO LP. The Reporting Person is a member of AVAO LLC and disclaims Section 16 beneficial ownership of such securities held by AVOF, except to the extent of his pecuniary interest therein, if any.

Read SEC document
June 26, 2026 Filed Jun 30, 2026 21:30 UTC
Booth BruceDirector
SaleCommon Stock 1,701 $117.09 $199,170.09
Disclosure

SEC source: 0001451612-26-000018 · form4-06302026_090613.xml · nonDerivative · entry 22

Booth Bruce · CIK 0001451612 · Director

10b5-1 filing: Plan reported

Ownership: Indirect · See footnote

Disclosed balance after: 477,065

F1 · kind: This transaction was made pursuant to a Rule 10b5-1 trading plan adopted by Atlas Venture Fund X, L.P. and Atlas Venture Opportunity Fund I, L.P. on December 11, 2025.

F12 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $116.2731 to $117.2668 inclusive.

F15 · ownership.nature: The shares are owned directly by Atlas Venture Opportunity Fund I, L.P. ("AVOF"). Atlas Venture Associates Opportunity I, L.P. ("AVAO LP") is the general partner of AVOF. Atlas Venture Associates Opportunity I, LLC ("AVAO LLC") is the general partner of AVAO LP. The Reporting Person is a member of AVAO LLC and disclaims Section 16 beneficial ownership of such securities held by AVOF, except to the extent of his pecuniary interest therein, if any.

Read SEC document
June 26, 2026 Filed Jun 30, 2026 21:30 UTC
Booth BruceDirector
SaleCommon Stock 952 $115.69 $110,136.88
Disclosure

SEC source: 0001451612-26-000018 · form4-06302026_090613.xml · nonDerivative · entry 21

Booth Bruce · CIK 0001451612 · Director

10b5-1 filing: Plan reported

Ownership: Indirect · See footnote

Disclosed balance after: 478,766

F1 · kind: This transaction was made pursuant to a Rule 10b5-1 trading plan adopted by Atlas Venture Fund X, L.P. and Atlas Venture Opportunity Fund I, L.P. on December 11, 2025.

F11 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $115.27 to $116.2626 inclusive.

F15 · ownership.nature: The shares are owned directly by Atlas Venture Opportunity Fund I, L.P. ("AVOF"). Atlas Venture Associates Opportunity I, L.P. ("AVAO LP") is the general partner of AVOF. Atlas Venture Associates Opportunity I, LLC ("AVAO LLC") is the general partner of AVAO LP. The Reporting Person is a member of AVAO LLC and disclaims Section 16 beneficial ownership of such securities held by AVOF, except to the extent of his pecuniary interest therein, if any.

Read SEC document
June 26, 2026 Filed Jun 30, 2026 21:30 UTC
Booth BruceDirector
SaleCommon Stock 3,896 $114.94 $447,806.24
Disclosure

SEC source: 0001451612-26-000018 · form4-06302026_090613.xml · nonDerivative · entry 20

Booth Bruce · CIK 0001451612 · Director

10b5-1 filing: Plan reported

Ownership: Indirect · See footnote

Disclosed balance after: 479,718

F1 · kind: This transaction was made pursuant to a Rule 10b5-1 trading plan adopted by Atlas Venture Fund X, L.P. and Atlas Venture Opportunity Fund I, L.P. on December 11, 2025.

F10 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $114.2766 to $115.2672 inclusive.

F15 · ownership.nature: The shares are owned directly by Atlas Venture Opportunity Fund I, L.P. ("AVOF"). Atlas Venture Associates Opportunity I, L.P. ("AVAO LP") is the general partner of AVOF. Atlas Venture Associates Opportunity I, LLC ("AVAO LLC") is the general partner of AVAO LP. The Reporting Person is a member of AVAO LLC and disclaims Section 16 beneficial ownership of such securities held by AVOF, except to the extent of his pecuniary interest therein, if any.

Read SEC document
June 26, 2026 Filed Jun 30, 2026 21:30 UTC
Booth BruceDirector
SaleCommon Stock 2,083 $113.97 $237,399.51
Disclosure

SEC source: 0001451612-26-000018 · form4-06302026_090613.xml · nonDerivative · entry 19

Booth Bruce · CIK 0001451612 · Director

10b5-1 filing: Plan reported

Ownership: Indirect · See footnote

Disclosed balance after: 483,614

F1 · kind: This transaction was made pursuant to a Rule 10b5-1 trading plan adopted by Atlas Venture Fund X, L.P. and Atlas Venture Opportunity Fund I, L.P. on December 11, 2025.

F9 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $113.2614 to $114.246 inclusive.

F15 · ownership.nature: The shares are owned directly by Atlas Venture Opportunity Fund I, L.P. ("AVOF"). Atlas Venture Associates Opportunity I, L.P. ("AVAO LP") is the general partner of AVOF. Atlas Venture Associates Opportunity I, LLC ("AVAO LLC") is the general partner of AVAO LP. The Reporting Person is a member of AVAO LLC and disclaims Section 16 beneficial ownership of such securities held by AVOF, except to the extent of his pecuniary interest therein, if any.

Read SEC document
June 26, 2026 Filed Jun 30, 2026 21:30 UTC
Booth BruceDirector
SaleCommon Stock 78 $112.49 $8,774.22
Disclosure

SEC source: 0001451612-26-000018 · form4-06302026_090613.xml · nonDerivative · entry 18

Booth Bruce · CIK 0001451612 · Director

10b5-1 filing: Plan reported

Ownership: Indirect · See footnote

Disclosed balance after: 485,697

F1 · kind: This transaction was made pursuant to a Rule 10b5-1 trading plan adopted by Atlas Venture Fund X, L.P. and Atlas Venture Opportunity Fund I, L.P. on December 11, 2025.

F8 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $112.1843 to $113.0139 inclusive.

F15 · ownership.nature: The shares are owned directly by Atlas Venture Opportunity Fund I, L.P. ("AVOF"). Atlas Venture Associates Opportunity I, L.P. ("AVAO LP") is the general partner of AVOF. Atlas Venture Associates Opportunity I, LLC ("AVAO LLC") is the general partner of AVAO LP. The Reporting Person is a member of AVAO LLC and disclaims Section 16 beneficial ownership of such securities held by AVOF, except to the extent of his pecuniary interest therein, if any.

Read SEC document
June 26, 2026 Filed Jun 30, 2026 21:30 UTC
Booth BruceDirector
SaleCommon Stock 1,442 $111.51 $160,797.42
Disclosure

SEC source: 0001451612-26-000018 · form4-06302026_090613.xml · nonDerivative · entry 17

Booth Bruce · CIK 0001451612 · Director

10b5-1 filing: Plan reported

Ownership: Indirect · See footnote

Disclosed balance after: 485,775

F1 · kind: This transaction was made pursuant to a Rule 10b5-1 trading plan adopted by Atlas Venture Fund X, L.P. and Atlas Venture Opportunity Fund I, L.P. on December 11, 2025.

F7 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $111.1057 to $111.9188 inclusive.

F15 · ownership.nature: The shares are owned directly by Atlas Venture Opportunity Fund I, L.P. ("AVOF"). Atlas Venture Associates Opportunity I, L.P. ("AVAO LP") is the general partner of AVOF. Atlas Venture Associates Opportunity I, LLC ("AVAO LLC") is the general partner of AVAO LP. The Reporting Person is a member of AVAO LLC and disclaims Section 16 beneficial ownership of such securities held by AVOF, except to the extent of his pecuniary interest therein, if any.

Read SEC document
June 26, 2026 Filed Jun 30, 2026 21:30 UTC
Booth BruceDirector
SaleCommon Stock 1,579 $110.49 $174,463.71
Disclosure

SEC source: 0001451612-26-000018 · form4-06302026_090613.xml · nonDerivative · entry 16

Booth Bruce · CIK 0001451612 · Director

10b5-1 filing: Plan reported

Ownership: Indirect · See footnote

Disclosed balance after: 487,217

F1 · kind: This transaction was made pursuant to a Rule 10b5-1 trading plan adopted by Atlas Venture Fund X, L.P. and Atlas Venture Opportunity Fund I, L.P. on December 11, 2025.

F6 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $110.02 to $111.0075 inclusive.

F15 · ownership.nature: The shares are owned directly by Atlas Venture Opportunity Fund I, L.P. ("AVOF"). Atlas Venture Associates Opportunity I, L.P. ("AVAO LP") is the general partner of AVOF. Atlas Venture Associates Opportunity I, LLC ("AVAO LLC") is the general partner of AVAO LP. The Reporting Person is a member of AVAO LLC and disclaims Section 16 beneficial ownership of such securities held by AVOF, except to the extent of his pecuniary interest therein, if any.

Read SEC document
June 26, 2026 Filed Jun 30, 2026 21:30 UTC
Booth BruceDirector
SaleCommon Stock 4,562 $109.79 $500,861.98
Disclosure

SEC source: 0001451612-26-000018 · form4-06302026_090613.xml · nonDerivative · entry 15

Booth Bruce · CIK 0001451612 · Director

10b5-1 filing: Plan reported

Ownership: Indirect · See footnote

Disclosed balance after: 488,796

F1 · kind: This transaction was made pursuant to a Rule 10b5-1 trading plan adopted by Atlas Venture Fund X, L.P. and Atlas Venture Opportunity Fund I, L.P. on December 11, 2025.

F5 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $109.02 to $110.0166 inclusive.

F15 · ownership.nature: The shares are owned directly by Atlas Venture Opportunity Fund I, L.P. ("AVOF"). Atlas Venture Associates Opportunity I, L.P. ("AVAO LP") is the general partner of AVOF. Atlas Venture Associates Opportunity I, LLC ("AVAO LLC") is the general partner of AVAO LP. The Reporting Person is a member of AVAO LLC and disclaims Section 16 beneficial ownership of such securities held by AVOF, except to the extent of his pecuniary interest therein, if any.

Read SEC document
June 26, 2026 Filed Jun 30, 2026 21:30 UTC
Booth BruceDirector
SaleCommon Stock 32,402 $108.14 $3,503,952.28
Disclosure

SEC source: 0001451612-26-000018 · form4-06302026_090613.xml · nonDerivative · entry 14

Booth Bruce · CIK 0001451612 · Director

10b5-1 filing: Plan reported

Ownership: Indirect · See footnote

Disclosed balance after: 493,358

F1 · kind: This transaction was made pursuant to a Rule 10b5-1 trading plan adopted by Atlas Venture Fund X, L.P. and Atlas Venture Opportunity Fund I, L.P. on December 11, 2025.

F4 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $108.00 to 108.9725 inclusive.

F15 · ownership.nature: The shares are owned directly by Atlas Venture Opportunity Fund I, L.P. ("AVOF"). Atlas Venture Associates Opportunity I, L.P. ("AVAO LP") is the general partner of AVOF. Atlas Venture Associates Opportunity I, LLC ("AVAO LLC") is the general partner of AVAO LP. The Reporting Person is a member of AVAO LLC and disclaims Section 16 beneficial ownership of such securities held by AVOF, except to the extent of his pecuniary interest therein, if any.

Read SEC document
June 26, 2026 Filed Jun 30, 2026 21:30 UTC
Booth BruceDirector
SaleCommon Stock 3,958 $107.57 $425,762.06
Disclosure

SEC source: 0001451612-26-000018 · form4-06302026_090613.xml · nonDerivative · entry 13

Booth Bruce · CIK 0001451612 · Director

10b5-1 filing: Plan reported

Ownership: Indirect · See footnote

Disclosed balance after: 525,760

F1 · kind: This transaction was made pursuant to a Rule 10b5-1 trading plan adopted by Atlas Venture Fund X, L.P. and Atlas Venture Opportunity Fund I, L.P. on December 11, 2025.

F2 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $106.995 to $107.99 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 each separate price within the ranges set forth in footnotes (2), (4) through (14), and (16) through (18).

F15 · ownership.nature: The shares are owned directly by Atlas Venture Opportunity Fund I, L.P. ("AVOF"). Atlas Venture Associates Opportunity I, L.P. ("AVAO LP") is the general partner of AVOF. Atlas Venture Associates Opportunity I, LLC ("AVAO LLC") is the general partner of AVAO LP. The Reporting Person is a member of AVAO LLC and disclaims Section 16 beneficial ownership of such securities held by AVOF, except to the extent of his pecuniary interest therein, if any.

Read SEC document
June 26, 2026 Filed Jun 30, 2026 21:30 UTC
Booth BruceDirector
SaleCommon Stock 12,390 $118.66 $1,470,197.40
Disclosure

SEC source: 0001451612-26-000018 · form4-06302026_090613.xml · nonDerivative · entry 12

Booth Bruce · CIK 0001451612 · Director

10b5-1 filing: Plan reported

Ownership: Indirect · See footnote

Disclosed balance after: 2,451,924

F1 · kind: This transaction was made pursuant to a Rule 10b5-1 trading plan adopted by Atlas Venture Fund X, L.P. and Atlas Venture Opportunity Fund I, L.P. on December 11, 2025.

F14 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $118.2717 to $119.035 inclusive.

F3 · ownership.nature: These shares are held directly by Atlas Venture Fund X, L.P. ("Atlas Venture Fund X"). The general partner of Atlas Venture Fund X is Atlas Venture Associates X, L.P. ("AVA X LP"). Atlas Venture Associates X, LLC ("AVA X LLC") is the general partner of AVA X LP. The Reporting Person is a member of AVA X LLC and disclaims Section 16 beneficial ownership of the securities held by Atlas Venture Fund X, except to the extent of his pecuniary interest therein, if any.

Read SEC document
June 26, 2026 Filed Jun 30, 2026 21:30 UTC
Booth BruceDirector
SaleCommon Stock 22,046 $117.85 $2,598,121.10
Disclosure

SEC source: 0001451612-26-000018 · form4-06302026_090613.xml · nonDerivative · entry 11

Booth Bruce · CIK 0001451612 · Director

10b5-1 filing: Plan reported

Ownership: Indirect · See footnote

Disclosed balance after: 2,464,314

F1 · kind: This transaction was made pursuant to a Rule 10b5-1 trading plan adopted by Atlas Venture Fund X, L.P. and Atlas Venture Opportunity Fund I, L.P. on December 11, 2025.

F13 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $117.2728 to $118.2599 inclusive.

F3 · ownership.nature: These shares are held directly by Atlas Venture Fund X, L.P. ("Atlas Venture Fund X"). The general partner of Atlas Venture Fund X is Atlas Venture Associates X, L.P. ("AVA X LP"). Atlas Venture Associates X, LLC ("AVA X LLC") is the general partner of AVA X LP. The Reporting Person is a member of AVA X LLC and disclaims Section 16 beneficial ownership of the securities held by Atlas Venture Fund X, except to the extent of his pecuniary interest therein, if any.

Read SEC document
June 26, 2026 Filed Jun 30, 2026 21:30 UTC
Booth BruceDirector
SaleCommon Stock 12,181 $117.09 $1,426,273.29
Disclosure

SEC source: 0001451612-26-000018 · form4-06302026_090613.xml · nonDerivative · entry 10

Booth Bruce · CIK 0001451612 · Director

10b5-1 filing: Plan reported

Ownership: Indirect · See footnote

Disclosed balance after: 2,486,360

F1 · kind: This transaction was made pursuant to a Rule 10b5-1 trading plan adopted by Atlas Venture Fund X, L.P. and Atlas Venture Opportunity Fund I, L.P. on December 11, 2025.

F12 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $116.2731 to $117.2668 inclusive.

F3 · ownership.nature: These shares are held directly by Atlas Venture Fund X, L.P. ("Atlas Venture Fund X"). The general partner of Atlas Venture Fund X is Atlas Venture Associates X, L.P. ("AVA X LP"). Atlas Venture Associates X, LLC ("AVA X LLC") is the general partner of AVA X LP. The Reporting Person is a member of AVA X LLC and disclaims Section 16 beneficial ownership of the securities held by Atlas Venture Fund X, except to the extent of his pecuniary interest therein, if any.

Read SEC document
June 26, 2026 Filed Jun 30, 2026 21:30 UTC
Booth BruceDirector
SaleCommon Stock 6,821 $115.69 $789,121.49
Disclosure

SEC source: 0001451612-26-000018 · form4-06302026_090613.xml · nonDerivative · entry 9

Booth Bruce · CIK 0001451612 · Director

10b5-1 filing: Plan reported

Ownership: Indirect · See footnote

Disclosed balance after: 2,498,541

F1 · kind: This transaction was made pursuant to a Rule 10b5-1 trading plan adopted by Atlas Venture Fund X, L.P. and Atlas Venture Opportunity Fund I, L.P. on December 11, 2025.

F11 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $115.27 to $116.2626 inclusive.

F3 · ownership.nature: These shares are held directly by Atlas Venture Fund X, L.P. ("Atlas Venture Fund X"). The general partner of Atlas Venture Fund X is Atlas Venture Associates X, L.P. ("AVA X LP"). Atlas Venture Associates X, LLC ("AVA X LLC") is the general partner of AVA X LP. The Reporting Person is a member of AVA X LLC and disclaims Section 16 beneficial ownership of the securities held by Atlas Venture Fund X, except to the extent of his pecuniary interest therein, if any.

Read SEC document
June 26, 2026 Filed Jun 30, 2026 21:30 UTC
Booth BruceDirector
SaleCommon Stock 27,951 $114.94 $3,212,687.94
Disclosure

SEC source: 0001451612-26-000018 · form4-06302026_090613.xml · nonDerivative · entry 8

Booth Bruce · CIK 0001451612 · Director

10b5-1 filing: Plan reported

Ownership: Indirect · See footnote

Disclosed balance after: 2,505,362

F1 · kind: This transaction was made pursuant to a Rule 10b5-1 trading plan adopted by Atlas Venture Fund X, L.P. and Atlas Venture Opportunity Fund I, L.P. on December 11, 2025.

F10 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $114.2766 to $115.2672 inclusive.

F3 · ownership.nature: These shares are held directly by Atlas Venture Fund X, L.P. ("Atlas Venture Fund X"). The general partner of Atlas Venture Fund X is Atlas Venture Associates X, L.P. ("AVA X LP"). Atlas Venture Associates X, LLC ("AVA X LLC") is the general partner of AVA X LP. The Reporting Person is a member of AVA X LLC and disclaims Section 16 beneficial ownership of the securities held by Atlas Venture Fund X, except to the extent of his pecuniary interest therein, if any.

Read SEC document
June 26, 2026 Filed Jun 30, 2026 21:30 UTC
Booth BruceDirector
SaleCommon Stock 14,913 $113.97 $1,699,634.61
Disclosure

SEC source: 0001451612-26-000018 · form4-06302026_090613.xml · nonDerivative · entry 7

Booth Bruce · CIK 0001451612 · Director

10b5-1 filing: Plan reported

Ownership: Indirect · See footnote

Disclosed balance after: 2,533,313

F1 · kind: This transaction was made pursuant to a Rule 10b5-1 trading plan adopted by Atlas Venture Fund X, L.P. and Atlas Venture Opportunity Fund I, L.P. on December 11, 2025.

F9 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $113.2614 to $114.246 inclusive.

F3 · ownership.nature: These shares are held directly by Atlas Venture Fund X, L.P. ("Atlas Venture Fund X"). The general partner of Atlas Venture Fund X is Atlas Venture Associates X, L.P. ("AVA X LP"). Atlas Venture Associates X, LLC ("AVA X LLC") is the general partner of AVA X LP. The Reporting Person is a member of AVA X LLC and disclaims Section 16 beneficial ownership of the securities held by Atlas Venture Fund X, except to the extent of his pecuniary interest therein, if any.

Read SEC document
June 26, 2026 Filed Jun 30, 2026 21:30 UTC
Booth BruceDirector
SaleCommon Stock 555 $112.49 $62,431.95
Disclosure

SEC source: 0001451612-26-000018 · form4-06302026_090613.xml · nonDerivative · entry 6

Booth Bruce · CIK 0001451612 · Director

10b5-1 filing: Plan reported

Ownership: Indirect · See footnote

Disclosed balance after: 2,548,226

F1 · kind: This transaction was made pursuant to a Rule 10b5-1 trading plan adopted by Atlas Venture Fund X, L.P. and Atlas Venture Opportunity Fund I, L.P. on December 11, 2025.

F8 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $112.1843 to $113.0139 inclusive.

F3 · ownership.nature: These shares are held directly by Atlas Venture Fund X, L.P. ("Atlas Venture Fund X"). The general partner of Atlas Venture Fund X is Atlas Venture Associates X, L.P. ("AVA X LP"). Atlas Venture Associates X, LLC ("AVA X LLC") is the general partner of AVA X LP. The Reporting Person is a member of AVA X LLC and disclaims Section 16 beneficial ownership of the securities held by Atlas Venture Fund X, except to the extent of his pecuniary interest therein, if any.

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June 26, 2026 Filed Jun 30, 2026 21:30 UTC
Booth BruceDirector
SaleCommon Stock 10,366 $111.51 $1,155,912.66
Disclosure

SEC source: 0001451612-26-000018 · form4-06302026_090613.xml · nonDerivative · entry 5

Booth Bruce · CIK 0001451612 · Director

10b5-1 filing: Plan reported

Ownership: Indirect · See footnote

Disclosed balance after: 2,548,781

F1 · kind: This transaction was made pursuant to a Rule 10b5-1 trading plan adopted by Atlas Venture Fund X, L.P. and Atlas Venture Opportunity Fund I, L.P. on December 11, 2025.

F7 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $111.1057 to $111.9188 inclusive.

F3 · ownership.nature: These shares are held directly by Atlas Venture Fund X, L.P. ("Atlas Venture Fund X"). The general partner of Atlas Venture Fund X is Atlas Venture Associates X, L.P. ("AVA X LP"). Atlas Venture Associates X, LLC ("AVA X LLC") is the general partner of AVA X LP. The Reporting Person is a member of AVA X LLC and disclaims Section 16 beneficial ownership of the securities held by Atlas Venture Fund X, except to the extent of his pecuniary interest therein, if any.

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June 26, 2026 Filed Jun 30, 2026 21:30 UTC
Booth BruceDirector
SaleCommon Stock 11,277 $110.49 $1,245,995.73
Disclosure

SEC source: 0001451612-26-000018 · form4-06302026_090613.xml · nonDerivative · entry 4

Booth Bruce · CIK 0001451612 · Director

10b5-1 filing: Plan reported

Ownership: Indirect · See footnote

Disclosed balance after: 2,559,147

F1 · kind: This transaction was made pursuant to a Rule 10b5-1 trading plan adopted by Atlas Venture Fund X, L.P. and Atlas Venture Opportunity Fund I, L.P. on December 11, 2025.

F6 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $110.02 to $111.0075 inclusive.

F3 · ownership.nature: These shares are held directly by Atlas Venture Fund X, L.P. ("Atlas Venture Fund X"). The general partner of Atlas Venture Fund X is Atlas Venture Associates X, L.P. ("AVA X LP"). Atlas Venture Associates X, LLC ("AVA X LLC") is the general partner of AVA X LP. The Reporting Person is a member of AVA X LLC and disclaims Section 16 beneficial ownership of the securities held by Atlas Venture Fund X, except to the extent of his pecuniary interest therein, if any.

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June 26, 2026 Filed Jun 30, 2026 21:30 UTC
Booth BruceDirector
SaleCommon Stock 32,624 $109.79 $3,581,788.96
Disclosure

SEC source: 0001451612-26-000018 · form4-06302026_090613.xml · nonDerivative · entry 3

Booth Bruce · CIK 0001451612 · Director

10b5-1 filing: Plan reported

Ownership: Indirect · See footnote

Disclosed balance after: 2,570,424

F1 · kind: This transaction was made pursuant to a Rule 10b5-1 trading plan adopted by Atlas Venture Fund X, L.P. and Atlas Venture Opportunity Fund I, L.P. on December 11, 2025.

F5 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $109.02 to $110.0166 inclusive.

F3 · ownership.nature: These shares are held directly by Atlas Venture Fund X, L.P. ("Atlas Venture Fund X"). The general partner of Atlas Venture Fund X is Atlas Venture Associates X, L.P. ("AVA X LP"). Atlas Venture Associates X, LLC ("AVA X LLC") is the general partner of AVA X LP. The Reporting Person is a member of AVA X LLC and disclaims Section 16 beneficial ownership of the securities held by Atlas Venture Fund X, except to the extent of his pecuniary interest therein, if any.

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June 26, 2026 Filed Jun 30, 2026 21:30 UTC
Booth BruceDirector
SaleCommon Stock 231,007 $108.14 $24,981,096.98
Disclosure

SEC source: 0001451612-26-000018 · form4-06302026_090613.xml · nonDerivative · entry 2

Booth Bruce · CIK 0001451612 · Director

10b5-1 filing: Plan reported

Ownership: Indirect · See footnote

Disclosed balance after: 2,603,048

F1 · kind: This transaction was made pursuant to a Rule 10b5-1 trading plan adopted by Atlas Venture Fund X, L.P. and Atlas Venture Opportunity Fund I, L.P. on December 11, 2025.

F4 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $108.00 to 108.9725 inclusive.

F3 · ownership.nature: These shares are held directly by Atlas Venture Fund X, L.P. ("Atlas Venture Fund X"). The general partner of Atlas Venture Fund X is Atlas Venture Associates X, L.P. ("AVA X LP"). Atlas Venture Associates X, LLC ("AVA X LLC") is the general partner of AVA X LP. The Reporting Person is a member of AVA X LLC and disclaims Section 16 beneficial ownership of the securities held by Atlas Venture Fund X, except to the extent of his pecuniary interest therein, if any.

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June 26, 2026 Filed Jun 30, 2026 21:30 UTC
Booth BruceDirector
SaleCommon Stock 28,296 $107.57 $3,043,800.72
Disclosure

SEC source: 0001451612-26-000018 · form4-06302026_090613.xml · nonDerivative · entry 1

Booth Bruce · CIK 0001451612 · Director

10b5-1 filing: Plan reported

Ownership: Indirect · See footnote

Disclosed balance after: 2,834,055

F1 · kind: This transaction was made pursuant to a Rule 10b5-1 trading plan adopted by Atlas Venture Fund X, L.P. and Atlas Venture Opportunity Fund I, L.P. on December 11, 2025.

F2 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $106.995 to $107.99 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 each separate price within the ranges set forth in footnotes (2), (4) through (14), and (16) through (18).

F3 · ownership.nature: These shares are held directly by Atlas Venture Fund X, L.P. ("Atlas Venture Fund X"). The general partner of Atlas Venture Fund X is Atlas Venture Associates X, L.P. ("AVA X LP"). Atlas Venture Associates X, LLC ("AVA X LLC") is the general partner of AVA X LP. The Reporting Person is a member of AVA X LLC and disclaims Section 16 beneficial ownership of the securities held by Atlas Venture Fund X, except to the extent of his pecuniary interest therein, if any.

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June 25, 2026 Filed Jun 26, 2026 01:56 UTC
Booth BruceDirector
SaleCommon Stock 46 $129.61 $5,962.06
Disclosure

SEC source: 0001451612-26-000016 · form4-06262026_010658.xml · nonDerivative · entry 22

Booth Bruce · CIK 0001451612 · Director

10b5-1 filing: Plan reported

Ownership: Indirect · See footnote

Disclosed balance after: 529,718

F1 · kind: This transaction was made pursuant to a Rule 10b5-1 trading plan adopted by Atlas Venture Fund X, L.P. and Atlas Venture Opportunity Fund I, L.P. on December 11, 2025.

F13 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $129.3041 to $130.05 inclusive.

F14 · ownership.nature: The shares are owned directly by Atlas Venture Opportunity Fund I, L.P. ("AVOF"). Atlas Venture Associates Opportunity I, L.P. ("AVAO LP") is the general partner of AVOF. Atlas Venture Associates Opportunity I, LLC ("AVAO LLC") is the general partner of AVAO LP. The Reporting Person is a member of AVAO LLC and disclaims Section 16 beneficial ownership of such securities held by AVOF, except to the extent of his pecuniary interest therein, if any.

Read SEC document
June 25, 2026 Filed Jun 26, 2026 01:56 UTC
Booth BruceDirector
SaleCommon Stock 305 $128.69 $39,250.45
Disclosure

SEC source: 0001451612-26-000016 · form4-06262026_010658.xml · nonDerivative · entry 21

Booth Bruce · CIK 0001451612 · Director

10b5-1 filing: Plan reported

Ownership: Indirect · See footnote

Disclosed balance after: 529,764

F1 · kind: This transaction was made pursuant to a Rule 10b5-1 trading plan adopted by Atlas Venture Fund X, L.P. and Atlas Venture Opportunity Fund I, L.P. on December 11, 2025.

F12 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $128.3008 to $129.2819 inclusive.

F14 · ownership.nature: The shares are owned directly by Atlas Venture Opportunity Fund I, L.P. ("AVOF"). Atlas Venture Associates Opportunity I, L.P. ("AVAO LP") is the general partner of AVOF. Atlas Venture Associates Opportunity I, LLC ("AVAO LLC") is the general partner of AVAO LP. The Reporting Person is a member of AVAO LLC and disclaims Section 16 beneficial ownership of such securities held by AVOF, except to the extent of his pecuniary interest therein, if any.

Read SEC document
June 25, 2026 Filed Jun 26, 2026 01:56 UTC
Booth BruceDirector
SaleCommon Stock 3,507 $127.37 $446,686.59
Disclosure

SEC source: 0001451612-26-000016 · form4-06262026_010658.xml · nonDerivative · entry 20

Booth Bruce · CIK 0001451612 · Director

10b5-1 filing: Plan reported

Ownership: Indirect · See footnote

Disclosed balance after: 530,069

F1 · kind: This transaction was made pursuant to a Rule 10b5-1 trading plan adopted by Atlas Venture Fund X, L.P. and Atlas Venture Opportunity Fund I, L.P. on December 11, 2025.

F11 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $127.30 to $128.2975 inclusive.

F14 · ownership.nature: The shares are owned directly by Atlas Venture Opportunity Fund I, L.P. ("AVOF"). Atlas Venture Associates Opportunity I, L.P. ("AVAO LP") is the general partner of AVOF. Atlas Venture Associates Opportunity I, LLC ("AVAO LLC") is the general partner of AVAO LP. The Reporting Person is a member of AVAO LLC and disclaims Section 16 beneficial ownership of such securities held by AVOF, except to the extent of his pecuniary interest therein, if any.

Read SEC document
June 25, 2026 Filed Jun 26, 2026 01:56 UTC
Booth BruceDirector
SaleCommon Stock 223 $126.71 $28,256.33
Disclosure

SEC source: 0001451612-26-000016 · form4-06262026_010658.xml · nonDerivative · entry 19

Booth Bruce · CIK 0001451612 · Director

10b5-1 filing: Plan reported

Ownership: Indirect · See footnote

Disclosed balance after: 533,576

F1 · kind: This transaction was made pursuant to a Rule 10b5-1 trading plan adopted by Atlas Venture Fund X, L.P. and Atlas Venture Opportunity Fund I, L.P. on December 11, 2025.

F10 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $126.13 to $127.0511 inclusive.

F14 · ownership.nature: The shares are owned directly by Atlas Venture Opportunity Fund I, L.P. ("AVOF"). Atlas Venture Associates Opportunity I, L.P. ("AVAO LP") is the general partner of AVOF. Atlas Venture Associates Opportunity I, LLC ("AVAO LLC") is the general partner of AVAO LP. The Reporting Person is a member of AVAO LLC and disclaims Section 16 beneficial ownership of such securities held by AVOF, except to the extent of his pecuniary interest therein, if any.

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June 25, 2026 Filed Jun 26, 2026 01:56 UTC
Booth BruceDirector
SaleCommon Stock 522 $125.82 $65,678.04
Disclosure

SEC source: 0001451612-26-000016 · form4-06262026_010658.xml · nonDerivative · entry 18

Booth Bruce · CIK 0001451612 · Director

10b5-1 filing: Plan reported

Ownership: Indirect · See footnote

Disclosed balance after: 533,799

F1 · kind: This transaction was made pursuant to a Rule 10b5-1 trading plan adopted by Atlas Venture Fund X, L.P. and Atlas Venture Opportunity Fund I, L.P. on December 11, 2025.

F9 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $125.1194 to $126.115 inclusive.

F14 · ownership.nature: The shares are owned directly by Atlas Venture Opportunity Fund I, L.P. ("AVOF"). Atlas Venture Associates Opportunity I, L.P. ("AVAO LP") is the general partner of AVOF. Atlas Venture Associates Opportunity I, LLC ("AVAO LLC") is the general partner of AVAO LP. The Reporting Person is a member of AVAO LLC and disclaims Section 16 beneficial ownership of such securities held by AVOF, except to the extent of his pecuniary interest therein, if any.

Read SEC document
June 25, 2026 Filed Jun 26, 2026 01:56 UTC
Booth BruceDirector
SaleCommon Stock 1,639 $124.61 $204,235.79
Disclosure

SEC source: 0001451612-26-000016 · form4-06262026_010658.xml · nonDerivative · entry 17

Booth Bruce · CIK 0001451612 · Director

10b5-1 filing: Plan reported

Ownership: Indirect · See footnote

Disclosed balance after: 534,321

F1 · kind: This transaction was made pursuant to a Rule 10b5-1 trading plan adopted by Atlas Venture Fund X, L.P. and Atlas Venture Opportunity Fund I, L.P. on December 11, 2025.

F8 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $124.09 to $125.0292 inclusive.

F14 · ownership.nature: The shares are owned directly by Atlas Venture Opportunity Fund I, L.P. ("AVOF"). Atlas Venture Associates Opportunity I, L.P. ("AVAO LP") is the general partner of AVOF. Atlas Venture Associates Opportunity I, LLC ("AVAO LLC") is the general partner of AVAO LP. The Reporting Person is a member of AVAO LLC and disclaims Section 16 beneficial ownership of such securities held by AVOF, except to the extent of his pecuniary interest therein, if any.

Read SEC document
June 25, 2026 Filed Jun 26, 2026 01:56 UTC
Booth BruceDirector
SaleCommon Stock 1,517 $123.62 $187,531.54
Disclosure

SEC source: 0001451612-26-000016 · form4-06262026_010658.xml · nonDerivative · entry 16

Booth Bruce · CIK 0001451612 · Director

10b5-1 filing: Plan reported

Ownership: Indirect · See footnote

Disclosed balance after: 535,960

F1 · kind: This transaction was made pursuant to a Rule 10b5-1 trading plan adopted by Atlas Venture Fund X, L.P. and Atlas Venture Opportunity Fund I, L.P. on December 11, 2025.

F7 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $123.09 to $124.08 inclusive.

F14 · ownership.nature: The shares are owned directly by Atlas Venture Opportunity Fund I, L.P. ("AVOF"). Atlas Venture Associates Opportunity I, L.P. ("AVAO LP") is the general partner of AVOF. Atlas Venture Associates Opportunity I, LLC ("AVAO LLC") is the general partner of AVAO LP. The Reporting Person is a member of AVAO LLC and disclaims Section 16 beneficial ownership of such securities held by AVOF, except to the extent of his pecuniary interest therein, if any.

Read SEC document
June 25, 2026 Filed Jun 26, 2026 01:56 UTC
Booth BruceDirector
SaleCommon Stock 698 $122.67 $85,623.66
Disclosure

SEC source: 0001451612-26-000016 · form4-06262026_010658.xml · nonDerivative · entry 15

Booth Bruce · CIK 0001451612 · Director

10b5-1 filing: Plan reported

Ownership: Indirect · See footnote

Disclosed balance after: 537,477

F1 · kind: This transaction was made pursuant to a Rule 10b5-1 trading plan adopted by Atlas Venture Fund X, L.P. and Atlas Venture Opportunity Fund I, L.P. on December 11, 2025.

F6 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $122.0858 to $123.08 inclusive.

F14 · ownership.nature: The shares are owned directly by Atlas Venture Opportunity Fund I, L.P. ("AVOF"). Atlas Venture Associates Opportunity I, L.P. ("AVAO LP") is the general partner of AVOF. Atlas Venture Associates Opportunity I, LLC ("AVAO LLC") is the general partner of AVAO LP. The Reporting Person is a member of AVAO LLC and disclaims Section 16 beneficial ownership of such securities held by AVOF, except to the extent of his pecuniary interest therein, if any.

Read SEC document
June 25, 2026 Filed Jun 26, 2026 01:56 UTC
Booth BruceDirector
SaleCommon Stock 5,689 $121.38 $690,530.82
Disclosure

SEC source: 0001451612-26-000016 · form4-06262026_010658.xml · nonDerivative · entry 14

Booth Bruce · CIK 0001451612 · Director

10b5-1 filing: Plan reported

Ownership: Indirect · See footnote

Disclosed balance after: 538,175

F1 · kind: This transaction was made pursuant to a Rule 10b5-1 trading plan adopted by Atlas Venture Fund X, L.P. and Atlas Venture Opportunity Fund I, L.P. on December 11, 2025.

F5 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $121.08 to $122.0731 inclusive.

F14 · ownership.nature: The shares are owned directly by Atlas Venture Opportunity Fund I, L.P. ("AVOF"). Atlas Venture Associates Opportunity I, L.P. ("AVAO LP") is the general partner of AVOF. Atlas Venture Associates Opportunity I, LLC ("AVAO LLC") is the general partner of AVAO LP. The Reporting Person is a member of AVAO LLC and disclaims Section 16 beneficial ownership of such securities held by AVOF, except to the extent of his pecuniary interest therein, if any.

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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.