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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
May 26, 2026 Filed May 27, 2026 21:50 UTC
Chadwick Jeremy GChief Operating Officer
SaleCommon Stock 4,500 $80.02 $360,110.70
Disclosure

SEC source: 0001193125-26-242266 · ownership.xml · nonDerivative · entry 4

Chadwick Jeremy G · CIK 0001388406 · Chief Operating Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 48,848

F3 · kind: These transactions were effected pursuant to a Rule 10b5-1 trading plan dated December 10, 2025 adopted by the reporting person.

F5 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $79.66 to $80.52, inclusive. The reporting person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.

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May 26, 2026 Filed May 27, 2026 21:50 UTC
Chadwick Jeremy GChief Operating Officer
SaleCommon Stock 3,800 $79.39 $301,690.74
Disclosure

SEC source: 0001193125-26-242266 · ownership.xml · nonDerivative · entry 3

Chadwick Jeremy G · CIK 0001388406 · Chief Operating Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 53,348

F3 · kind: These transactions were effected pursuant to a Rule 10b5-1 trading plan dated December 10, 2025 adopted by the reporting person.

F4 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $78.66 to $79.655, inclusive. The reporting person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.

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May 26, 2026 Filed May 27, 2026 21:50 UTC
Chadwick Jeremy GChief Operating Officer
SaleCommon Stock 324 $79.17 $25,651.08
Disclosure

SEC source: 0001193125-26-242266 · ownership.xml · nonDerivative · entry 2

Chadwick Jeremy G · CIK 0001388406 · Chief Operating Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 57,148

F1 · kind: Represents shares required to be sold by the reporting person to cover tax withholding obligations in connection with the vesting of restricted stock units. Such sales were automatic and not in the discretion of the reporting person.

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May 26, 2026 Filed May 27, 2026 21:50 UTC
Chadwick Jeremy GChief Operating Officer
SaleCommon Stock 3,730 $78.36 $292,271.24
Disclosure

SEC source: 0001193125-26-242266 · ownership.xml · nonDerivative · entry 1

Chadwick Jeremy G · CIK 0001388406 · Chief Operating Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 57,472

F1 · kind: Represents shares required to be sold by the reporting person to cover tax withholding obligations in connection with the vesting of restricted stock units. Such sales were automatic and not in the discretion of the reporting person.

F2 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $77.99 to $78.79, inclusive. The reporting person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.

Read SEC document
May 19, 2026 Filed May 19, 2026 20:05 UTC Exercise / conversionStock Option (Right to Buy) · Derivative 1,000 $0.00 Strike: $31.20 $0.00
Disclosure

SEC source: 0001193125-26-230730 · ownership.xml · derivative · entry 2

Esposito Pamela · CIK 0001744425 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 9,000

Underlying: Common Stock · 1,000 shares

Expires 2034-06-18

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

F1 · derivative.exercise_date: The shares underlying this stock option are fully vested and exercisable.

Read SEC document
May 19, 2026 Filed May 19, 2026 20:05 UTC Exercise / conversionCommon Stock 1,000 $31.20 $31,200.00
Disclosure

SEC source: 0001193125-26-230730 · ownership.xml · nonDerivative · entry 1

Esposito Pamela · CIK 0001744425 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 1,000

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

Read SEC document
May 18, 2026 Filed May 19, 2026 11:30 UTC
Jacobs Bruce N.Chief Financial Officer
Exercise / conversionStock Option (Right to Buy) · Derivative 15,000 $0.00 Strike: $2.08 $0.00
Disclosure

SEC source: 0001193125-26-229656 · ownership.xml · derivative · entry 2

Jacobs Bruce N. · CIK 0001821074 · Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 12,653

Underlying: Common Stock · 15,000 shares

Expires 2029-08-28

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

F1 · derivative.exercise_date: The shares underlying this stock option are fully vested and exercisable.

Read SEC document
May 18, 2026 Filed May 19, 2026 11:30 UTC
Jacobs Bruce N.Chief Financial Officer
Exercise / conversionCommon Stock 15,000 $2.08 $31,200.00
Disclosure

SEC source: 0001193125-26-229656 · ownership.xml · nonDerivative · entry 1

Jacobs Bruce N. · CIK 0001821074 · Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 247,588

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

Read SEC document
May 11, 2026 Filed May 11, 2026 20:58 UTC Exercise / conversionStock Option (Right to Buy) · Derivative 3,000 $0.00 Strike: $31.20 $0.00
Disclosure

SEC source: 0001193125-26-217041 · ownership.xml · derivative · entry 3

Ridloff Elena · CIK 0001772518 · Director

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 13,000

Underlying: Common Stock · 3,000 shares

Expires 2034-06-17

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

F1 · kind: These transactions were effected pursuant to a Rule 10b5-1 trading plan dated December 11, 2025 adopted by the reporting person.

F2 · derivative.exercise_date: The shares underlying this stock option are fully vested and exercisable.

Read SEC document
May 11, 2026 Filed May 11, 2026 20:58 UTC SaleCommon Stock 3,000 $87.00 $261,000.00
Disclosure

SEC source: 0001193125-26-217041 · ownership.xml · nonDerivative · entry 2

Ridloff Elena · CIK 0001772518 · Director

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 0

F1 · kind: These transactions were effected pursuant to a Rule 10b5-1 trading plan dated December 11, 2025 adopted by the reporting person.

Read SEC document
May 11, 2026 Filed May 11, 2026 20:58 UTC Exercise / conversionCommon Stock 3,000 $31.20 $93,600.00
Disclosure

SEC source: 0001193125-26-217041 · ownership.xml · nonDerivative · entry 1

Ridloff Elena · CIK 0001772518 · Director

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 3,000

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

F1 · kind: These transactions were effected pursuant to a Rule 10b5-1 trading plan dated December 11, 2025 adopted by the reporting person.

Read SEC document
April 29, 2026 Filed Apr 29, 2026 21:00 UTC
Mainolfi NelloDirector · Chief Executive Officer
Exercise / conversionStock Option (Right to Buy) · Derivative 30,000 $0.00 Strike: $2.08 $0.00
Disclosure

SEC source: 0001193125-26-192146 · ownership.xml · derivative · entry 5

Mainolfi Nello · CIK 0001821189 · Director · Chief Executive Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 215,559

Underlying: Common Stock · 30,000 shares

Expires 2029-11-13

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

F1 · kind: These transactions were effected pursuant to a Rule 10b5-1 trading plan dated September 6, 2024 adopted by the reporting person.

F5 · derivative.exercise_date: The shares underlying this stock option are fully vested and exercisable.

Read SEC document
April 29, 2026 Filed Apr 29, 2026 21:00 UTC
Mainolfi NelloDirector · Chief Executive Officer
SaleCommon Stock 936 $82.45 $77,173.20
Disclosure

SEC source: 0001193125-26-192146 · ownership.xml · nonDerivative · entry 4

Mainolfi Nello · CIK 0001821189 · Director · Chief Executive Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 666,195

F1 · kind: These transactions were effected pursuant to a Rule 10b5-1 trading plan dated September 6, 2024 adopted by the reporting person.

F4 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $82.30 to $83.07, inclusive. The reporting person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.

Read SEC document
April 29, 2026 Filed Apr 29, 2026 21:00 UTC
Mainolfi NelloDirector · Chief Executive Officer
SaleCommon Stock 12,059 $81.70 $985,220.30
Disclosure

SEC source: 0001193125-26-192146 · ownership.xml · nonDerivative · entry 3

Mainolfi Nello · CIK 0001821189 · Director · Chief Executive Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 667,131

F1 · kind: These transactions were effected pursuant to a Rule 10b5-1 trading plan dated September 6, 2024 adopted by the reporting person.

F3 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $81.23 to $82.18, inclusive. The reporting person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.

Read SEC document
April 29, 2026 Filed Apr 29, 2026 21:00 UTC
Mainolfi NelloDirector · Chief Executive Officer
SaleCommon Stock 17,005 $80.74 $1,372,983.70
Disclosure

SEC source: 0001193125-26-192146 · ownership.xml · nonDerivative · entry 2

Mainolfi Nello · CIK 0001821189 · Director · Chief Executive Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 679,190

F1 · kind: These transactions were effected pursuant to a Rule 10b5-1 trading plan dated September 6, 2024 adopted by the reporting person.

F2 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $80.23 to $81.215, inclusive. The reporting person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.

Read SEC document
April 29, 2026 Filed Apr 29, 2026 21:00 UTC
Mainolfi NelloDirector · Chief Executive Officer
Exercise / conversionCommon Stock 30,000 $2.08 $62,400.00
Disclosure

SEC source: 0001193125-26-192146 · ownership.xml · nonDerivative · entry 1

Mainolfi Nello · CIK 0001821189 · Director · Chief Executive Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 696,195

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

F1 · kind: These transactions were effected pursuant to a Rule 10b5-1 trading plan dated September 6, 2024 adopted by the reporting person.

Read SEC document
April 22, 2026 Filed Apr 24, 2026 20:33 UTC
Booth BruceDirector
Exercise / conversionStock Option (Right to Buy) · Derivative 259 $0.00 Strike: $20.00 $0.00
Disclosure

SEC source: 0001451612-26-000006 · form4-04242026_080445.xml · derivative · entry 7

Booth Bruce · CIK 0001451612 · Director

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 39,868

Underlying: Common Stock · 259 shares

Expires 2030-08-19

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

F6 · derivative.exercise_date: Fully vested and exercisable.

Read SEC document
April 22, 2026 Filed Apr 24, 2026 20:33 UTC
Booth BruceDirector
Exercise / conversionStock Option (Right to Buy) · Derivative 5,641 $0.00 Strike: $14.18 $0.00
Disclosure

SEC source: 0001451612-26-000006 · form4-04242026_080445.xml · derivative · entry 6

Booth Bruce · CIK 0001451612 · Director

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 5,641 shares

Expires 2032-06-15

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

F6 · derivative.exercise_date: Fully vested and exercisable.

Read SEC document
April 22, 2026 Filed Apr 24, 2026 20:33 UTC
Booth BruceDirector
SaleCommon Stock 12 $90.08 $1,080.96
Disclosure

SEC source: 0001451612-26-000006 · form4-04242026_080445.xml · nonDerivative · entry 5

Booth Bruce · CIK 0001451612 · Director

10b5-1 filing: Plan reported

Ownership: Indirect · See footnote

Disclosed balance after: 674,944

F3 · kind: This transaction was made pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on December 11, 2025.

F5 · 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
April 22, 2026 Filed Apr 24, 2026 20:33 UTC
Booth BruceDirector
SaleCommon Stock 88 $90.08 $7,927.04
Disclosure

SEC source: 0001451612-26-000006 · form4-04242026_080445.xml · nonDerivative · entry 4

Booth Bruce · CIK 0001451612 · Director

10b5-1 filing: Plan reported

Ownership: Indirect · See footnote

Disclosed balance after: 3,899,829

F3 · kind: This transaction was made pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on December 11, 2025.

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 extend of his pecuniary interest therein, if any.

Read SEC document
April 22, 2026 Filed Apr 24, 2026 20:33 UTC
Booth BruceDirector
SaleCommon Stock 5,900 $89.96 $530,764.00
Disclosure

SEC source: 0001451612-26-000006 · form4-04242026_080445.xml · nonDerivative · entry 3

Booth Bruce · CIK 0001451612 · Director

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 0

F1 · kind: This transaction was made pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on December 16, 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 $89.95 to $90.02 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 this footnote.

Read SEC document
April 22, 2026 Filed Apr 24, 2026 20:33 UTC
Booth BruceDirector
Exercise / conversionCommon Stock 259 $20.00 $5,180.00
Disclosure

SEC source: 0001451612-26-000006 · form4-04242026_080445.xml · nonDerivative · entry 2

Booth Bruce · CIK 0001451612 · Director

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 5,900

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

Read SEC document
April 22, 2026 Filed Apr 24, 2026 20:33 UTC
Booth BruceDirector
Exercise / conversionCommon Stock 5,641 $14.18 $79,989.38
Disclosure

SEC source: 0001451612-26-000006 · form4-04242026_080445.xml · nonDerivative · entry 1

Booth Bruce · CIK 0001451612 · Director

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 5,641

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

Read SEC document
April 22, 2026 Filed Apr 24, 2026 20:30 UTC
Chadwick Jeremy GChief Operating Officer
Exercise / conversionStock Option (Right to Buy) · Derivative 200 $0.00 Strike: $43.50 $0.00
Disclosure

SEC source: 0001193125-26-177400 · ownership.xml · derivative · entry 5

Chadwick Jeremy G · CIK 0001388406 · Chief Operating Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 58,263

Underlying: Common Stock · 200 shares

Expires 2034-02-28

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

F1 · kind: These transactions were effected pursuant to a Rule 10b5-1 trading plan dated December 10, 2025 adopted by the reporting person.

F3 · derivative.exercise_date: The shares underlying this stock option shall vest in thirty-six (36) equal monthly installments following March 1, 2024, subject to the reporting person's continued employment through each vesting date.

Read SEC document
April 22, 2026 Filed Apr 24, 2026 20:30 UTC
Chadwick Jeremy GChief Operating Officer
Exercise / conversionStock Option (Right to Buy) · Derivative 100 $0.00 Strike: $30.17 $0.00
Disclosure

SEC source: 0001193125-26-177400 · ownership.xml · derivative · entry 4

Chadwick Jeremy G · CIK 0001388406 · Chief Operating Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 45,434

Underlying: Common Stock · 100 shares

Expires 2035-03-02

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

F1 · kind: These transactions were effected pursuant to a Rule 10b5-1 trading plan dated December 10, 2025 adopted by the reporting person.

F2 · derivative.exercise_date: The shares underlying this stock option shall vest in thirty-six (36) equal monthly installments following March 3, 2025, subject to the reporting person's continued employment through each vesting date.

Read SEC document
April 22, 2026 Filed Apr 24, 2026 20:30 UTC
Chadwick Jeremy GChief Operating Officer
SaleCommon Stock 300 $90.00 $27,000.00
Disclosure

SEC source: 0001193125-26-177400 · ownership.xml · nonDerivative · entry 3

Chadwick Jeremy G · CIK 0001388406 · Chief Operating Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 61,202

F1 · kind: These transactions were effected pursuant to a Rule 10b5-1 trading plan dated December 10, 2025 adopted by the reporting person.

Read SEC document
April 22, 2026 Filed Apr 24, 2026 20:30 UTC
Chadwick Jeremy GChief Operating Officer
Exercise / conversionCommon Stock 200 $43.50 $8,700.00
Disclosure

SEC source: 0001193125-26-177400 · ownership.xml · nonDerivative · entry 2

Chadwick Jeremy G · CIK 0001388406 · Chief Operating Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 61,502

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

F1 · kind: These transactions were effected pursuant to a Rule 10b5-1 trading plan dated December 10, 2025 adopted by the reporting person.

Read SEC document
April 22, 2026 Filed Apr 24, 2026 20:30 UTC
Chadwick Jeremy GChief Operating Officer
Exercise / conversionCommon Stock 100 $30.17 $3,017.00
Disclosure

SEC source: 0001193125-26-177400 · ownership.xml · nonDerivative · entry 1

Chadwick Jeremy G · CIK 0001388406 · Chief Operating Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 61,302

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

F1 · kind: These transactions were effected pursuant to a Rule 10b5-1 trading plan dated December 10, 2025 adopted by the reporting person.

Read SEC document
April 15, 2026 Filed Apr 16, 2026 22:30 UTC
Chadwick Jeremy GChief Operating Officer
Exercise / conversionStock Option (Right to Buy) · Derivative 1,300 $0.00 Strike: $43.50 $0.00
Disclosure

SEC source: 0001193125-26-159538 · ownership.xml · derivative · entry 8

Chadwick Jeremy G · CIK 0001388406 · Chief Operating Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 58,463

Underlying: Common Stock · 1,300 shares

Expires 2034-02-28

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

F1 · kind: These transactions were effected pursuant to a Rule 10b5-1 trading plan dated December 10, 2025 adopted by the reporting person.

F4 · derivative.exercise_date: The shares underlying this stock option shall vest in thirty-six (36) equal monthly installments following March 1, 2024, subject to the reporting person's continued employment through each vesting date.

Read SEC document
April 15, 2026 Filed Apr 16, 2026 22:30 UTC
Chadwick Jeremy GChief Operating Officer
SaleCommon Stock 1,300 $90.00 $117,000.00
Disclosure

SEC source: 0001193125-26-159538 · ownership.xml · nonDerivative · entry 5

Chadwick Jeremy G · CIK 0001388406 · Chief Operating Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 61,202

F1 · kind: These transactions were effected pursuant to a Rule 10b5-1 trading plan dated December 10, 2025 adopted by the reporting person.

Read SEC document
April 15, 2026 Filed Apr 16, 2026 22:30 UTC
Chadwick Jeremy GChief Operating Officer
Exercise / conversionCommon Stock 1,300 $43.50 $56,550.00
Disclosure

SEC source: 0001193125-26-159538 · ownership.xml · nonDerivative · entry 4

Chadwick Jeremy G · CIK 0001388406 · Chief Operating Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 62,502

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

F1 · kind: These transactions were effected pursuant to a Rule 10b5-1 trading plan dated December 10, 2025 adopted by the reporting person.

Read SEC document
April 15, 2026 Filed Apr 16, 2026 22:16 UTC
Booth BruceDirector
Exercise / conversionStock Option (Right to Buy) · Derivative 2,200 $0.00 Strike: $14.18 $0.00
Disclosure

SEC source: 0001451612-26-000004 · form4-04162026_100449.xml · derivative · entry 8

Booth Bruce · CIK 0001451612 · Director

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 5,641

Underlying: Common Stock · 2,200 shares

Expires 2032-06-15

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

F8 · derivative.exercise_date: Fully vested and exercisable.

Read SEC document
April 15, 2026 Filed Apr 16, 2026 22:16 UTC
Booth BruceDirector
SaleCommon Stock 385 $90.10 $34,688.50
Disclosure

SEC source: 0001451612-26-000004 · form4-04162026_100449.xml · nonDerivative · entry 6

Booth Bruce · CIK 0001451612 · Director

10b5-1 filing: Plan reported

Ownership: Indirect · See footnote

Disclosed balance after: 674,956

F4 · kind: This transaction was made pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person 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 $90.05 to $90.145 inclusive.

F7 · 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
April 15, 2026 Filed Apr 16, 2026 22:16 UTC
Booth BruceDirector
SaleCommon Stock 2,750 $90.10 $247,775.00
Disclosure

SEC source: 0001451612-26-000004 · form4-04162026_100449.xml · nonDerivative · entry 5

Booth Bruce · CIK 0001451612 · Director

10b5-1 filing: Plan reported

Ownership: Indirect · See footnote

Disclosed balance after: 3,899,917

F4 · kind: This transaction was made pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person 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 $90.05 to $90.145 inclusive.

F6 · 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 extend of his pecuniary interest therein, if any.

Read SEC document
April 15, 2026 Filed Apr 16, 2026 22:16 UTC
Booth BruceDirector
SaleCommon Stock 2,200 $89.95 $197,890.00
Disclosure

SEC source: 0001451612-26-000004 · form4-04162026_100449.xml · nonDerivative · entry 4

Booth Bruce · CIK 0001451612 · Director

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 0

F1 · kind: This transaction was made pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on December 16, 2025.

F3 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $89.95 to $90.00 inclusive.

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April 15, 2026 Filed Apr 16, 2026 22:16 UTC
Booth BruceDirector
Exercise / conversionCommon Stock 2,200 $14.18 $31,196.00
Disclosure

SEC source: 0001451612-26-000004 · form4-04162026_100449.xml · nonDerivative · entry 3

Booth Bruce · CIK 0001451612 · Director

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 2,200

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

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April 14, 2026 Filed Apr 16, 2026 22:30 UTC
Goodman NoahChief Business Officer
SaleCommon Stock 1,347 $90.00 $121,230.00
Disclosure

SEC source: 0001193125-26-159539 · ownership.xml · nonDerivative · entry 1

Goodman Noah · CIK 0002060075 · Chief Business Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 50,195.438

F1 · kind: These transactions were effected pursuant to a Rule 10b5-1 trading plan dated December 10, 2025 adopted by the reporting person.

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April 14, 2026 Filed Apr 16, 2026 22:30 UTC
Chadwick Jeremy GChief Operating Officer
Exercise / conversionStock Option (Right to Buy) · Derivative 785 $0.00 Strike: $43.50 $0.00
Disclosure

SEC source: 0001193125-26-159538 · ownership.xml · derivative · entry 7

Chadwick Jeremy G · CIK 0001388406 · Chief Operating Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 59,763

Underlying: Common Stock · 785 shares

Expires 2034-02-28

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

F1 · kind: These transactions were effected pursuant to a Rule 10b5-1 trading plan dated December 10, 2025 adopted by the reporting person.

F4 · derivative.exercise_date: The shares underlying this stock option shall vest in thirty-six (36) equal monthly installments following March 1, 2024, subject to the reporting person's continued employment through each vesting date.

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April 14, 2026 Filed Apr 16, 2026 22:30 UTC
Chadwick Jeremy GChief Operating Officer
Exercise / conversionStock Option (Right to Buy) · Derivative 4,466 $0.00 Strike: $30.17 $0.00
Disclosure

SEC source: 0001193125-26-159538 · ownership.xml · derivative · entry 6

Chadwick Jeremy G · CIK 0001388406 · Chief Operating Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 45,534

Underlying: Common Stock · 4,466 shares

Expires 2035-03-02

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

F1 · kind: These transactions were effected pursuant to a Rule 10b5-1 trading plan dated December 10, 2025 adopted by the reporting person.

F3 · derivative.exercise_date: The shares underlying this stock option shall vest in thirty-six (36) equal monthly installments following March 3, 2025, subject to the reporting person's continued employment through each vesting date.

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April 14, 2026 Filed Apr 16, 2026 22:30 UTC
Chadwick Jeremy GChief Operating Officer
SaleCommon Stock 5,251 $90.00 $472,598.40
Disclosure

SEC source: 0001193125-26-159538 · ownership.xml · nonDerivative · entry 3

Chadwick Jeremy G · CIK 0001388406 · Chief Operating Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 61,202

F1 · kind: These transactions were effected pursuant to a Rule 10b5-1 trading plan dated December 10, 2025 adopted by the reporting person.

F2 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $90.00 to $90.10, inclusive. The reporting person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.

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April 14, 2026 Filed Apr 16, 2026 22:30 UTC
Chadwick Jeremy GChief Operating Officer
Exercise / conversionCommon Stock 785 $43.50 $34,147.50
Disclosure

SEC source: 0001193125-26-159538 · ownership.xml · nonDerivative · entry 2

Chadwick Jeremy G · CIK 0001388406 · Chief Operating Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 66,453

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

F1 · kind: These transactions were effected pursuant to a Rule 10b5-1 trading plan dated December 10, 2025 adopted by the reporting person.

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April 14, 2026 Filed Apr 16, 2026 22:30 UTC
Chadwick Jeremy GChief Operating Officer
Exercise / conversionCommon Stock 4,466 $30.17 $134,739.22
Disclosure

SEC source: 0001193125-26-159538 · ownership.xml · nonDerivative · entry 1

Chadwick Jeremy G · CIK 0001388406 · Chief Operating Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 65,668

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

F1 · kind: These transactions were effected pursuant to a Rule 10b5-1 trading plan dated December 10, 2025 adopted by the reporting person.

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April 14, 2026 Filed Apr 16, 2026 22:16 UTC
Booth BruceDirector
Exercise / conversionStock Option (Right to Buy) · Derivative 4,159 $0.00 Strike: $14.18 $0.00
Disclosure

SEC source: 0001451612-26-000004 · form4-04162026_100449.xml · derivative · entry 7

Booth Bruce · CIK 0001451612 · Director

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 7,841

Underlying: Common Stock · 4,159 shares

Expires 2032-06-15

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

F8 · derivative.exercise_date: Fully vested and exercisable.

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April 14, 2026 Filed Apr 16, 2026 22:16 UTC
Booth BruceDirector
SaleCommon Stock 4,159 $89.97 $374,185.23
Disclosure

SEC source: 0001451612-26-000004 · form4-04162026_100449.xml · nonDerivative · entry 2

Booth Bruce · CIK 0001451612 · Director

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 0

F1 · kind: This transaction was made pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on December 16, 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 $89.95 to $90.10 inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold each separate price within the ranges set forth in footnotes (2), (3) and (5).

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April 14, 2026 Filed Apr 16, 2026 22:16 UTC
Booth BruceDirector
Exercise / conversionCommon Stock 4,159 $14.18 $58,974.62
Disclosure

SEC source: 0001451612-26-000004 · form4-04162026_100449.xml · nonDerivative · entry 1

Booth Bruce · CIK 0001451612 · Director

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 4,159

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

Read SEC document
April 10, 2026 Filed Apr 10, 2026 20:45 UTC
Goodman NoahChief Business Officer
SaleCommon Stock 2,000 $87.35 $174,700.00
Disclosure

SEC source: 0001193125-26-151393 · ownership.xml · nonDerivative · entry 5

Goodman Noah · CIK 0002060075 · Chief Business Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 51,542.438

F1 · kind: These transactions were effected pursuant to a Rule 10b5-1 trading plan dated December 10, 2025 adopted by the reporting person.

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April 09, 2026 Filed Apr 10, 2026 20:45 UTC
Goodman NoahChief Business Officer
Exercise / conversionStock Option (Right to Buy) · Derivative 2,500 $0.00 Strike: $21.05 $0.00
Disclosure

SEC source: 0001193125-26-151393 · ownership.xml · derivative · entry 6

Goodman Noah · CIK 0002060075 · Chief Business Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 97,500

Underlying: Common Stock · 2,500 shares

Expires 2035-04-07

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

F1 · kind: These transactions were effected pursuant to a Rule 10b5-1 trading plan dated December 10, 2025 adopted by the reporting person.

F5 · derivative.exercise_date: Twenty-five percent (25%) of the shares underlying this stock option vested on April 8, 2026, with the remainder vesting in thirty-six (36) equal monthly installments thereafter, subject to the reporting person's continued employment through each vesting date.

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April 09, 2026 Filed Apr 10, 2026 20:45 UTC
Goodman NoahChief Business Officer
SaleCommon Stock 2,500 $89.00 $222,500.00
Disclosure

SEC source: 0001193125-26-151393 · ownership.xml · nonDerivative · entry 4

Goodman Noah · CIK 0002060075 · Chief Business Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 53,542.438

F1 · kind: These transactions were effected pursuant to a Rule 10b5-1 trading plan dated December 10, 2025 adopted by the reporting person.

Read SEC document
April 09, 2026 Filed Apr 10, 2026 20:45 UTC
Goodman NoahChief Business Officer
SaleCommon Stock 2,670 $87.11 $232,586.10
Disclosure

SEC source: 0001193125-26-151393 · ownership.xml · nonDerivative · entry 3

Goodman Noah · CIK 0002060075 · Chief Business Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 56,042.438

F2 · kind: Represents shares required to be sold by the reporting person to cover tax withholding obligations in connection with the vesting of RSUs. Such sales were automatic and not in the discretion of the reporting person.

F4 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $87.015 to $87.45, inclusive. The reporting person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.

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April 09, 2026 Filed Apr 10, 2026 20:45 UTC
Goodman NoahChief Business Officer
SaleCommon Stock 3,094 $86.62 $267,996.09
Disclosure

SEC source: 0001193125-26-151393 · ownership.xml · nonDerivative · entry 2

Goodman Noah · CIK 0002060075 · Chief Business Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 58,712.438

F2 · kind: Represents shares required to be sold by the reporting person to cover tax withholding obligations in connection with the vesting of RSUs. Such sales were automatic and not in the discretion of the reporting person.

F3 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $86.005 to $86.935, inclusive. The reporting person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.

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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.