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Nasdaq · USD

CCCC

C4 Therapeutics, Inc.

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Tapewire entity
5503
SEC CIK
0001662579
Parsed reports
295

Last 12 months

Inside the activity.

0 purchase rows · 1 sale rows

Disclosed non-derivative P/S rows, by transaction month. Includes amendments and private transactions.
Monthly counts
MonthPurchasesSales
Nov 202500
Dec 202500
Jan 202601
Feb 202600
Mar 202600
Apr 202600
May 202600
Jun 202600
Jul 202600
Aug 202600
Sep 202600
Oct 202600

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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
October 01, 2026 Filed Oct 3, 2026 00:43 UTC GrantCommon Stock 4,618 $3.14 $14,500.52
Disclosure

SEC source: 0001470831-26-000924 · wk-form4_1790973819.xml · nonDerivative · entry 1

GROGAN DONNA ROY · CIK 0001788455 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 79,471

F1 · kind: These shares were issued in accordance with the Issuer's Non-Employee Director Compensation Policy, pursuant to which the Reporting Person elected to receive shares of the Issuer's common stock in lieu of cash compensation for services as a non-employee director of the Issuer.

F2 · price: The price reported in Column 4 is based upon the closing market price of the Issuer's common stock on October 1, 2026.

Read SEC document
October 01, 2026 Filed Oct 3, 2026 00:43 UTC GrantCommon Stock 3,662 $3.14 $11,498.68
Disclosure

SEC source: 0001470831-26-000925 · wk-form4_1790973827.xml · nonDerivative · entry 1

Anderson Kenneth Carl · CIK 0001824862 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 75,612

F1 · kind: These shares were issued in accordance with the Issuer's Non-Employee Director Compensation Policy, pursuant to which the Reporting Person elected to receive shares of the Issuer's common stock in lieu of cash compensation for services as a non-employee director of the Issuer.

F2 · price: The price reported in Column 4 is based upon the closing market price of the Issuer's common stock on October 1, 2026.

Read SEC document
September 18, 2026 Filed Sep 21, 2026 20:24 UTC
Adams KendraChief Financial Officer
Tax withholdingCommon Stock 2,775 $3.39 $9,407.25
Disclosure

SEC source: 0001470831-26-000895 · wk-form4_1790022287.xml · nonDerivative · entry 2

Adams Kendra · CIK 0001991929 · Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 382,323

F2 · kind: Represents shares withheld by the Issuer to satisfy tax withholding obligations in connection with the vesting and settlement of RSUs and does not represent a sale by the Reporting Person.

Read SEC document
September 18, 2026 Filed Sep 21, 2026 20:24 UTC
Adams KendraChief Financial Officer
Exercise / conversionCommon Stock 6,250 $0.00 $0.00
Disclosure

SEC source: 0001470831-26-000895 · wk-form4_1790022287.xml · nonDerivative · entry 1

Adams Kendra · CIK 0001991929 · Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 385,098

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: Reflects the acquisition of shares of Common Stock upon vesting of a previously disclosed grant of restricted stock units ("RSUs"). The grant of RSUs was initially reported in Table I of the Form 4 filed by the Reporting Person on September 19, 2023.

Read SEC document
July 10, 2026 Filed Jul 13, 2026 20:33 UTC
REYNO LEONARDChief Medical Officer
Tax withholdingCommon Stock 7,397 $4.06 $30,031.82
Disclosure

SEC source: 0001470831-26-000705 · wk-form4_1783974826.xml · nonDerivative · entry 2

REYNO LEONARD · CIK 0001528716 · Chief Medical Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 372,406

F2 · kind: Represents shares withheld by the Issuer to satisfy tax withholding obligations in connection with the vesting and settlement of RSUs and does not represent a sale by the Reporting Person.

Read SEC document
July 10, 2026 Filed Jul 13, 2026 20:33 UTC
REYNO LEONARDChief Medical Officer
Exercise / conversionCommon Stock 15,325 $0.00 $0.00
Disclosure

SEC source: 0001470831-26-000705 · wk-form4_1783974826.xml · nonDerivative · entry 1

REYNO LEONARD · CIK 0001528716 · Chief Medical Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 379,803

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: Reflects the acquisition of shares of Common Stock upon vesting of previously disclosed grants of restricted stock units ("RSUs"). The grant of RSUs was initially reported in Table I of the Form 4 filed by the Reporting Person on July 12, 2023.

Read SEC document
July 01, 2026 Filed Jul 2, 2026 20:04 UTC GrantCommon Stock 2,650 $4.34 $11,501.00
Disclosure

SEC source: 0001470831-26-000688 · wk-form4_1783022665.xml · nonDerivative · entry 1

Anderson Kenneth Carl · CIK 0001824862 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 71,950

F1 · kind: These shares were issued in accordance with the Issuer's Non-Employee Director Compensation Policy, pursuant to which the Reporting Person elected to receive shares of the Issuer's common stock in lieu of cash compensation for services as a non-employee director of the Issuer.

F2 · price: The price reported in Column 4 is based upon the closing market price of the Issuer's common stock on July 1, 2026.

Read SEC document
July 01, 2026 Filed Jul 2, 2026 20:04 UTC GrantCommon Stock 3,341 $4.34 $14,499.94
Disclosure

SEC source: 0001470831-26-000689 · wk-form4_1783022677.xml · nonDerivative · entry 1

GROGAN DONNA ROY · CIK 0001788455 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 74,853

F1 · kind: These shares were issued in accordance with the Issuer's Non-Employee Director Compensation Policy, pursuant to which the Reporting Person elected to receive shares of the Issuer's common stock in lieu of cash compensation for services as a non-employee director of the Issuer.

F2 · price: The price reported in Column 4 is based upon the closing market price of the Issuer's common stock on July 1, 2026.

Read SEC document
June 24, 2026 Filed Jun 26, 2026 20:27 UTC GrantStock Option (Right to Buy) · Derivative 62,000 $0.00 Strike: $4.25 $0.00
Disclosure

SEC source: 0001470831-26-000659 · wk-form4_1782505640.xml · derivative · entry 1

Fawell Stephen · CIK 0002033387 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 62,000

Underlying: Common Stock · 62,000 shares

Expires 2036-06-23

F1 · derivative.exercise_date: This option shall vest and become exercisable in full upon the earlier to occur of (i) June 24, 2027 and (ii) the next annual meeting of the Issuer's stockholders, subject to the recipient's continued service as a member of the Board on such date.

Read SEC document
June 24, 2026 Filed Jun 27, 2026 00:33 UTC
Hughes OwenDirector
GrantStock Option (Right to Buy) · Derivative 62,000 $0.00 Strike: $4.25 $0.00
Disclosure

SEC source: 0001470831-26-000673 · wk-form4_1782520384.xml · derivative · entry 1

Hughes Owen · CIK 0001575933 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 62,000

Underlying: Common Stock · 62,000 shares

Expires 2036-06-23

F1 · derivative.exercise_date: This option shall vest and become exercisable in full upon the earlier to occur of (i) June 24, 2027 and (ii) the next annual meeting of the Issuer's stockholders, subject to the recipient's continued service as a member of the Board on such date.

Read SEC document
June 24, 2026 Filed Jun 27, 2026 00:26 UTC GrantStock Option (Right to Buy) · Derivative 62,000 $0.00 Strike: $4.25 $0.00
Disclosure

SEC source: 0001470831-26-000670 · wk-form4_1782520015.xml · derivative · entry 1

Hoerter Steven L. · CIK 0001533451 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 62,000

Underlying: Common Stock · 62,000 shares

Expires 2036-06-23

F1 · derivative.exercise_date: This option shall vest and become exercisable in full upon the earlier to occur of (i) June 24, 2027 and (ii) the next annual meeting of the Issuer's stockholders, subject to the recipient's continued service as a member of the Board on such date.

Read SEC document
June 24, 2026 Filed Jun 26, 2026 20:31 UTC GrantStock Option (Right to Buy) · Derivative 62,000 $0.00 Strike: $4.25 $0.00
Disclosure

SEC source: 0001470831-26-000667 · wk-form4_1782505872.xml · derivative · entry 1

Koppikar Utpal · CIK 0001742696 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 62,000

Underlying: Common Stock · 62,000 shares

Expires 2036-06-23

F1 · derivative.exercise_date: This option shall vest and become exercisable in full upon the earlier to occur of (i) June 24, 2027 and (ii) the next annual meeting of the Issuer's stockholders, subject to the recipient's continued service as a member of the Board on such date.

Read SEC document
June 24, 2026 Filed Jun 26, 2026 20:30 UTC GrantStock Option (Right to Buy) · Derivative 62,000 $0.00 Strike: $4.25 $0.00
Disclosure

SEC source: 0001470831-26-000665 · wk-form4_1782505819.xml · derivative · entry 1

Anderson Kenneth Carl · CIK 0001824862 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 62,000

Underlying: Common Stock · 62,000 shares

Expires 2036-06-23

F1 · derivative.exercise_date: This option shall vest and become exercisable in full upon the earlier to occur of (i) June 24, 2027 and (ii) the next annual meeting of the Issuer's stockholders, subject to the recipient's continued service as a member of the Board on such date.

Read SEC document
June 24, 2026 Filed Jun 26, 2026 20:29 UTC GrantStock Option (Right to Buy) · Derivative 62,000 $0.00 Strike: $4.25 $0.00
Disclosure

SEC source: 0001470831-26-000663 · wk-form4_1782505765.xml · derivative · entry 1

Cooper Ronald Harold Wilfred · CIK 0001676880 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 62,000

Underlying: Common Stock · 62,000 shares

Expires 2036-06-23

F1 · derivative.exercise_date: This option shall vest and become exercisable in full upon the earlier to occur of (i) June 24, 2027 and (ii) the next annual meeting of the Issuer's stockholders, subject to the recipient's continued service as a member of the Board on such date.

Read SEC document
June 24, 2026 Filed Jun 26, 2026 20:28 UTC
Bessen LauraDirector
GrantStock Option (Right to Buy) · Derivative 62,000 $0.00 Strike: $4.25 $0.00
Disclosure

SEC source: 0001470831-26-000661 · wk-form4_1782505691.xml · derivative · entry 1

Bessen Laura · CIK 0001926815 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 62,000

Underlying: Common Stock · 62,000 shares

Expires 2036-06-23

F1 · derivative.exercise_date: This option shall vest and become exercisable in full upon the earlier to occur of (i) June 24, 2027 and (ii) the next annual meeting of the Issuer's stockholders, subject to the recipient's continued service as a member of the Board on such date.

Read SEC document
June 24, 2026 Filed Jun 26, 2026 20:25 UTC GrantStock Option (Right to Buy) · Derivative 62,000 $0.00 Strike: $4.25 $0.00
Disclosure

SEC source: 0001470831-26-000657 · wk-form4_1782505541.xml · derivative · entry 1

GROGAN DONNA ROY · CIK 0001788455 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 62,000

Underlying: Common Stock · 62,000 shares

Expires 2036-06-23

F1 · derivative.exercise_date: This option shall vest and become exercisable in full upon the earlier to occur of (i) June 24, 2027 and (ii) the next annual meeting of the Issuer's stockholders, subject to the recipient's continued service as a member of the Board on such date.

Read SEC document
June 01, 2026 Filed Jun 4, 2026 20:14 UTC Exercise / conversionStock Option (Right to Buy) · Derivative 1,070 $0.00 Strike: $2.11 $0.00
Disclosure

SEC source: 0001470831-26-000504 · wk-form4_1780604078.xml · derivative · entry 7

Anderson Kenneth Carl · CIK 0001824862 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 1,070 shares

Expires 2026-07-12

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: The reported transaction represents the exercise of a stock option for cash. No shares were sold in connection with the exercise.

F7 · derivative.exercise_date: The shares underlying this option are fully vested and exercisable.

Read SEC document
June 01, 2026 Filed Jun 4, 2026 20:14 UTC Exercise / conversionCommon Stock 1,070 $2.11 $2,257.70
Disclosure

SEC source: 0001470831-26-000504 · wk-form4_1780604078.xml · nonDerivative · entry 1

Anderson Kenneth Carl · CIK 0001824862 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 69,300

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: The reported transaction represents the exercise of a stock option for cash. No shares were sold in connection with the exercise.

Read SEC document
April 01, 2026 Filed Apr 3, 2026 14:45 UTC GrantCommon Stock 4,259 $2.70 $11,499.30
Disclosure

SEC source: 0001470831-26-000346 · wk-form4_1775227552.xml · nonDerivative · entry 1

Anderson Kenneth Carl · CIK 0001824862 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 68,230

F1 · kind: These shares were issued in accordance with the Issuer's Non-Employee Director Compensation Policy, pursuant to which the Reporting Person elected to receive shares of the Issuer's common stock in lieu of cash compensation for services as a non-employee director of the Issuer.

F2 · price: The price reported in Column 4 is based upon the closing market price of the Issuer's common stock on April 1, 2026.

Read SEC document
April 01, 2026 Filed Apr 3, 2026 14:45 UTC GrantCommon Stock 5,370 $2.70 $14,499.00
Disclosure

SEC source: 0001470831-26-000345 · wk-form4_1775227541.xml · nonDerivative · entry 1

GROGAN DONNA ROY · CIK 0001788455 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 71,512

F1 · kind: These shares were issued in accordance with the Issuer's Non-Employee Director Compensation Policy, pursuant to which the Reporting Person elected to receive shares of the Issuer's common stock in lieu of cash compensation for services as a non-employee director of the Issuer.

F2 · price: The price reported in Column 4 is based upon the closing market price of the Issuer's common stock on April 1, 2026.

Read SEC document
February 15, 2026 Filed Feb 18, 2026 22:04 UTC
Hirsch AndrewDirector · President & CEO
Tax withholdingCommon Stock 9,057 $1.89 $17,117.73
Disclosure

SEC source: 0001470831-26-000177 · wk-form4_1771452294.xml · nonDerivative · entry 5

Hirsch Andrew · CIK 0001586707 · Director · President & CEO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 1,074,934

F3 · kind: Represents shares withheld by the Issuer to satisfy tax withholding obligations in connection with the vesting and settlement of RSUs and does not represent a sale by the Reporting Person.

Read SEC document
February 15, 2026 Filed Feb 18, 2026 22:04 UTC
Hirsch AndrewDirector · President & CEO
Exercise / conversionCommon Stock 20,400 $0.00 $0.00
Disclosure

SEC source: 0001470831-26-000177 · wk-form4_1771452294.xml · nonDerivative · entry 4

Hirsch Andrew · CIK 0001586707 · Director · President & CEO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 1,083,991

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

F2 · kind: Reflects the acquisition of shares of Common Stock upon vesting of previously disclosed grants of RSUs. The grants of RSUs were initially reported in Table I of the Forms 4 filed by the Reporting Person on February 15, 2023, February 15, 2024 and February 18, 2025.

Read SEC document
February 14, 2026 Filed Feb 18, 2026 17:05 UTC
Boyle Scott NChief Business Officer
Tax withholdingCommon Stock 7,269 $1.89 $13,738.41
Disclosure

SEC source: 0001470831-26-000180 · wk-form4_1771452315.xml · nonDerivative · entry 5

Boyle Scott N · CIK 0001913897 · Chief Business Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 298,801

F2 · kind: Reflects the acquisition of shares of Common Stock upon vesting of previously disclosed grants of RSUs. The grants of RSUs were initially reported in Table I of the Forms 4 filed by the Reporting Person on February 15, 2023, February 14, 2024 and February 18, 2025.

Read SEC document
February 14, 2026 Filed Feb 18, 2026 17:05 UTC
Boyle Scott NChief Business Officer
Exercise / conversionCommon Stock 20,950 $0.00 $0.00
Disclosure

SEC source: 0001470831-26-000180 · wk-form4_1771452315.xml · nonDerivative · entry 4

Boyle Scott N · CIK 0001913897 · Chief Business Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 306,070

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

F2 · kind: Reflects the acquisition of shares of Common Stock upon vesting of previously disclosed grants of RSUs. The grants of RSUs were initially reported in Table I of the Forms 4 filed by the Reporting Person on February 15, 2023, February 14, 2024 and February 18, 2025.

Read SEC document
February 14, 2026 Filed Feb 18, 2026 17:05 UTC
Mahaney PaigeChief Scientific Officer
Tax withholdingCommon Stock 2,446 $1.89 $4,622.94
Disclosure

SEC source: 0001470831-26-000179 · wk-form4_1771452309.xml · nonDerivative · entry 3

Mahaney Paige · CIK 0002040313 · Chief Scientific Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 336,910

F3 · kind: Represents shares withheld by the Issuer to satisfy tax withholding obligations in connection with the vesting and settlement of RSUs and does not represent a sale by the Reporting Person.

Read SEC document
February 14, 2026 Filed Feb 18, 2026 17:05 UTC
Mahaney PaigeChief Scientific Officer
Exercise / conversionCommon Stock 7,050 $0.00 $0.00
Disclosure

SEC source: 0001470831-26-000179 · wk-form4_1771452309.xml · nonDerivative · entry 2

Mahaney Paige · CIK 0002040313 · Chief Scientific Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 339,356

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

F2 · kind: Reflects the acquisition of shares of Common Stock upon vesting of a previously disclosed grant of RSUs. The grant of RSUs was initially reported in Table I of the Forms 4 filed by the Reporting Person on February 18, 2025.

Read SEC document
February 14, 2026 Filed Feb 18, 2026 22:04 UTC
Mossler MarkChief Accounting Officer
Tax withholdingCommon Stock 3,268 $1.89 $6,176.52
Disclosure

SEC source: 0001470831-26-000174 · wk-form4_1771452272.xml · nonDerivative · entry 3

Mossler Mark · CIK 0001992219 · Chief Accounting Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 71,916

F3 · kind: Represents shares withheld by the Issuer to satisfy tax withholding obligations in connection with the vesting and settlement of RSUs and does not represent a sale by the Reporting Person.

Read SEC document
February 14, 2026 Filed Feb 18, 2026 22:04 UTC
Mossler MarkChief Accounting Officer
Exercise / conversionCommon Stock 9,420 $0.00 $0.00
Disclosure

SEC source: 0001470831-26-000174 · wk-form4_1771452272.xml · nonDerivative · entry 2

Mossler Mark · CIK 0001992219 · Chief Accounting Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 75,184

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

F2 · kind: Reflects the acquisition of shares of Common Stock upon vesting of previously disclosed grants of RSUs. The grants of RSUs were initially reported in Table I of the Forms 4 filed by the Reporting Person on April 10, 2024 and February 18, 2025.

Read SEC document
February 14, 2026 Filed Feb 18, 2026 17:04 UTC
Adams KendraChief Financial Officer
Tax withholdingCommon Stock 15,381 $1.89 $29,070.09
Disclosure

SEC source: 0001470831-26-000175 · wk-form4_1771452283.xml · nonDerivative · entry 5

Adams Kendra · CIK 0001991929 · Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 385,098

F3 · kind: Represents shares withheld by the Issuer to satisfy tax withholding obligations in connection with the vesting and settlement of RSUs and does not represent a sale by the Reporting Person.

Read SEC document
February 14, 2026 Filed Feb 18, 2026 17:04 UTC
Adams KendraChief Financial Officer
Exercise / conversionCommon Stock 30,950 $0.00 $0.00
Disclosure

SEC source: 0001470831-26-000175 · wk-form4_1771452283.xml · nonDerivative · entry 4

Adams Kendra · CIK 0001991929 · Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 400,479

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

F2 · kind: Reflects the acquisition of shares of Common Stock upon vesting of previously disclosed grants of RSUs. The grants of RSUs were initially reported in Table I of the Forms 4 filed by the Reporting Person on February 15, 2023, February 14, 2024 and February 18, 2025.

Read SEC document
February 14, 2026 Filed Feb 18, 2026 22:04 UTC
REYNO LEONARDChief Medical Officer
Tax withholdingCommon Stock 16,579 $1.89 $31,334.31
Disclosure

SEC source: 0001470831-26-000176 · wk-form4_1771452289.xml · nonDerivative · entry 3

REYNO LEONARD · CIK 0001528716 · Chief Medical Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 379,803

F3 · kind: Represents shares withheld by the Issuer to satisfy tax withholding obligations in connection with the vesting and settlement of RSUs and does not represent a sale by the Reporting Person.

Read SEC document
February 14, 2026 Filed Feb 18, 2026 22:04 UTC
REYNO LEONARDChief Medical Officer
Exercise / conversionCommon Stock 30,950 $0.00 $0.00
Disclosure

SEC source: 0001470831-26-000176 · wk-form4_1771452289.xml · nonDerivative · entry 2

REYNO LEONARD · CIK 0001528716 · Chief Medical Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 396,382

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

F2 · kind: Reflects the acquisition of shares of Common Stock upon vesting of previously disclosed grants of RSUs. The grants of RSUs were initially reported in Table I of the Forms 4 filed by the Reporting Person on February 14, 2024 and February 18, 2025.

Read SEC document
February 14, 2026 Filed Feb 18, 2026 22:04 UTC
Hirsch AndrewDirector · President & CEO
Tax withholdingCommon Stock 39,154 $1.89 $74,001.06
Disclosure

SEC source: 0001470831-26-000177 · wk-form4_1771452294.xml · nonDerivative · entry 3

Hirsch Andrew · CIK 0001586707 · Director · President & CEO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 1,083,991

F3 · kind: Represents shares withheld by the Issuer to satisfy tax withholding obligations in connection with the vesting and settlement of RSUs and does not represent a sale by the Reporting Person.

Read SEC document
February 14, 2026 Filed Feb 18, 2026 22:04 UTC
Hirsch AndrewDirector · President & CEO
Exercise / conversionCommon Stock 81,725 $0.00 $0.00
Disclosure

SEC source: 0001470831-26-000177 · wk-form4_1771452294.xml · nonDerivative · entry 2

Hirsch Andrew · CIK 0001586707 · Director · President & CEO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 1,123,145

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

F2 · kind: Reflects the acquisition of shares of Common Stock upon vesting of previously disclosed grants of RSUs. The grants of RSUs were initially reported in Table I of the Forms 4 filed by the Reporting Person on February 15, 2023, February 15, 2024 and February 18, 2025.

Read SEC document
February 14, 2026 Filed Feb 18, 2026 22:05 UTC
Schick KellyChief People Officer
Tax withholdingCommon Stock 7,269 $1.89 $13,738.41
Disclosure

SEC source: 0001470831-26-000178 · wk-form4_1771452301.xml · nonDerivative · entry 5

Schick Kelly · CIK 0001797388 · Chief People Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 299,881

F3 · kind: Represents shares withheld by the Issuer to satisfy tax withholding obligations in connection with the vesting and settlement of RSUs and does not represent a sale by the Reporting Person.

Read SEC document
February 14, 2026 Filed Feb 18, 2026 22:05 UTC
Schick KellyChief People Officer
Exercise / conversionCommon Stock 20,950 $0.00 $0.00
Disclosure

SEC source: 0001470831-26-000178 · wk-form4_1771452301.xml · nonDerivative · entry 4

Schick Kelly · CIK 0001797388 · Chief People Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 307,150

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

F2 · kind: Reflects the acquisition of shares of Common Stock upon vesting of previously disclosed grants of RSUs. The grants of RSUs were initially reported in Table I of the Forms 4 filed by the Reporting Person on February 15, 2023, February 14, 2024 and February 18, 2025.

Read SEC document
February 13, 2026 Filed Feb 18, 2026 17:05 UTC
Boyle Scott NChief Business Officer
Tax withholdingCommon Stock 1,735 $1.89 $3,279.15
Disclosure

SEC source: 0001470831-26-000180 · wk-form4_1771452315.xml · nonDerivative · entry 3

Boyle Scott N · CIK 0001913897 · Chief Business Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 306,070

F3 · kind: Represents shares withheld by the Issuer to satisfy tax withholding obligations in connection with the vesting and settlement of RSUs and does not represent a sale by the Reporting Person.

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February 13, 2026 Filed Feb 18, 2026 17:05 UTC
Boyle Scott NChief Business Officer
Exercise / conversionCommon Stock 5,000 $0.00 $0.00
Disclosure

SEC source: 0001470831-26-000180 · wk-form4_1771452315.xml · nonDerivative · entry 2

Boyle Scott N · CIK 0001913897 · Chief Business Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 307,805

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

F2 · kind: Reflects the acquisition of shares of Common Stock upon vesting of previously disclosed grants of RSUs. The grants of RSUs were initially reported in Table I of the Forms 4 filed by the Reporting Person on February 15, 2023, February 14, 2024 and February 18, 2025.

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February 13, 2026 Filed Feb 18, 2026 17:05 UTC
Boyle Scott NChief Business Officer
GrantCommon Stock 200,000 $0.00 $0.00
Disclosure

SEC source: 0001470831-26-000180 · wk-form4_1771452315.xml · nonDerivative · entry 1

Boyle Scott N · CIK 0001913897 · Chief Business Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 307,805

F1 · shares: Represents restricted stock units ("RSUs"). Each RSU represents the contingent right to receive one share of the Issuer's Common Stock upon vesting and settlement. The RSUs shall vest as follows: (i) 100,000 RSUs shall vest in three equal annual installments following the grant date, with the first installment vesting on February 13, 2027, and (ii) 100,000 RSUs shall vest in full on February 13, 2029, subject to potential acceleration upon achievement of certain performance milestones.

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February 13, 2026 Filed Feb 18, 2026 17:05 UTC
Mahaney PaigeChief Scientific Officer
GrantCommon Stock 240,000 $0.00 $0.00
Disclosure

SEC source: 0001470831-26-000179 · wk-form4_1771452309.xml · nonDerivative · entry 1

Mahaney Paige · CIK 0002040313 · Chief Scientific Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 339,356

F1 · shares: Represents restricted stock units ("RSUs"). Each RSU represents the contingent right to receive one share of the Issuer's Common Stock upon vesting and settlement. The RSUs shall vest as follows: (i) 120,000 RSUs shall vest in three equal annual installments following the grant date, with the first installment vesting on February 13, 2027, and (ii) 120,000 RSUs shall vest in full on February 13, 2029, subject to potential acceleration upon achievement of certain performance milestones.

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February 13, 2026 Filed Feb 18, 2026 22:04 UTC
Mossler MarkChief Accounting Officer
GrantCommon Stock 56,980 $0.00 $0.00
Disclosure

SEC source: 0001470831-26-000174 · wk-form4_1771452272.xml · nonDerivative · entry 1

Mossler Mark · CIK 0001992219 · Chief Accounting Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 75,184

F1 · shares: Represents restricted stock units ("RSUs"). Each RSU represents the contingent right to receive one share of the Issuer's Common Stock upon vesting and settlement. The RSUs shall vest as follows: (i) 28,490 RSUs shall vest in three equal annual installments following the grant date, with the first installment vesting on February 13, 2027, and (ii) 28,490 RSUs shall vest in full on February 13, 2029, subject to potential acceleration upon achievement of certain performance milestones.

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February 13, 2026 Filed Feb 18, 2026 17:04 UTC
Adams KendraChief Financial Officer
Tax withholdingCommon Stock 1,863 $1.89 $3,521.07
Disclosure

SEC source: 0001470831-26-000175 · wk-form4_1771452283.xml · nonDerivative · entry 3

Adams Kendra · CIK 0001991929 · Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 400,479

F3 · kind: Represents shares withheld by the Issuer to satisfy tax withholding obligations in connection with the vesting and settlement of RSUs and does not represent a sale by the Reporting Person.

Read SEC document
February 13, 2026 Filed Feb 18, 2026 17:04 UTC
Adams KendraChief Financial Officer
Exercise / conversionCommon Stock 3,750 $0.00 $0.00
Disclosure

SEC source: 0001470831-26-000175 · wk-form4_1771452283.xml · nonDerivative · entry 2

Adams Kendra · CIK 0001991929 · Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 402,342

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

F2 · kind: Reflects the acquisition of shares of Common Stock upon vesting of previously disclosed grants of RSUs. The grants of RSUs were initially reported in Table I of the Forms 4 filed by the Reporting Person on February 15, 2023, February 14, 2024 and February 18, 2025.

Read SEC document
February 13, 2026 Filed Feb 18, 2026 17:04 UTC
Adams KendraChief Financial Officer
GrantCommon Stock 240,000 $0.00 $0.00
Disclosure

SEC source: 0001470831-26-000175 · wk-form4_1771452283.xml · nonDerivative · entry 1

Adams Kendra · CIK 0001991929 · Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 402,342

F1 · shares: Represents restricted stock units ("RSUs"). Each RSU represents the contingent right to receive one share of the Issuer's Common Stock upon vesting and settlement. The RSUs shall vest as follows: (i) 120,000 RSUs shall vest in three equal annual installments following the grant date, with the first installment vesting on February 13, 2027, and (ii) 120,000 RSUs shall vest in full on February 13, 2029, subject to potential acceleration upon achievement of certain performance milestones.

Read SEC document
February 13, 2026 Filed Feb 18, 2026 22:04 UTC
REYNO LEONARDChief Medical Officer
GrantCommon Stock 240,000 $0.00 $0.00
Disclosure

SEC source: 0001470831-26-000176 · wk-form4_1771452289.xml · nonDerivative · entry 1

REYNO LEONARD · CIK 0001528716 · Chief Medical Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 396,382

F1 · shares: Represents restricted stock units ("RSUs"). Each RSU represents the contingent right to receive one share of the Issuer's Common Stock upon vesting and settlement. The RSUs shall vest as follows: (i) 120,000 RSUs shall vest in three equal annual installments following the grant date, with the first installment vesting on February 13, 2027, and (ii) 120,000 RSUs shall vest in full on February 13, 2029, subject to potential acceleration upon achievement of certain performance milestones.

Read SEC document
February 13, 2026 Filed Feb 18, 2026 22:04 UTC
Hirsch AndrewDirector · President & CEO
GrantCommon Stock 700,000 $0.00 $0.00
Disclosure

SEC source: 0001470831-26-000177 · wk-form4_1771452294.xml · nonDerivative · entry 1

Hirsch Andrew · CIK 0001586707 · Director · President & CEO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 1,123,145

F1 · shares: Represents restricted stock units ("RSUs"). Each RSU represents the contingent right to receive one share of the Issuer's Common Stock upon vesting and settlement. The RSUs shall vest as follows: (i) 350,000 RSUs shall vest in three equal annual installments following the grant date, with the first installment vesting on February 13, 2027, and (ii) 350,000 RSUs shall vest in full on February 13, 2029, subject to potential acceleration upon achievement of certain performance milestones.

Read SEC document
February 13, 2026 Filed Feb 18, 2026 22:05 UTC
Schick KellyChief People Officer
Tax withholdingCommon Stock 1,735 $1.89 $3,279.15
Disclosure

SEC source: 0001470831-26-000178 · wk-form4_1771452301.xml · nonDerivative · entry 3

Schick Kelly · CIK 0001797388 · Chief People Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 307,150

F3 · kind: Represents shares withheld by the Issuer to satisfy tax withholding obligations in connection with the vesting and settlement of RSUs and does not represent a sale by the Reporting Person.

Read SEC document
February 13, 2026 Filed Feb 18, 2026 22:05 UTC
Schick KellyChief People Officer
Exercise / conversionCommon Stock 5,000 $0.00 $0.00
Disclosure

SEC source: 0001470831-26-000178 · wk-form4_1771452301.xml · nonDerivative · entry 2

Schick Kelly · CIK 0001797388 · Chief People Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 308,885

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

F2 · kind: Reflects the acquisition of shares of Common Stock upon vesting of previously disclosed grants of RSUs. The grants of RSUs were initially reported in Table I of the Forms 4 filed by the Reporting Person on February 15, 2023, February 14, 2024 and February 18, 2025.

Read SEC document
February 13, 2026 Filed Feb 18, 2026 22:05 UTC
Schick KellyChief People Officer
GrantCommon Stock 200,000 $0.00 $0.00
Disclosure

SEC source: 0001470831-26-000178 · wk-form4_1771452301.xml · nonDerivative · entry 1

Schick Kelly · CIK 0001797388 · Chief People Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 308,885

F1 · shares: Represents restricted stock units ("RSUs"). Each RSU represents the contingent right to receive one share of the Issuer's Common Stock upon vesting and settlement. The RSUs shall vest as follows: (i) 100,000 RSUs shall vest in three equal annual installments following the grant date, with the first installment vesting on February 13, 2027, and (ii) 100,000 RSUs shall vest in full on February 13, 2029, subject to potential acceleration upon achievement of certain performance milestones.

Read SEC document
January 16, 2026 Filed Jan 16, 2026 21:27 UTC
REYNO LEONARDChief Medical Officer
SaleCommon Stock 10,000 $2.22 $22,200.00
Disclosure

SEC source: 0001470831-26-000045 · wk-form4_1768598875.xml · nonDerivative · entry 1

REYNO LEONARD · CIK 0001528716 · Chief Medical Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 156,382

Read SEC document

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