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Bunn Paul A.

Disclosed activity across 1 company

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44128
SEC CIK
0001868760

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Reported relationships

Latest disclosed role at each company.

CompanyLast reported asReport datePublished
Verastem, Inc.VSTM · Entity 5242DirectorMay 21, 2026May 26, 2026

Disclosed balances

About these balances

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

Verastem, Inc.

Report date May 21, 2026 · Filed May 26, 2026

Security / awardOwnership accountDisclosed shares / unitsDisclosure context
Common StockSEC Table I · non-derivativeDirect44,333 Reported balance After 2026-05-21 transaction · row 1
1 source row

Row 1 · 2026-05-21 · Grant · Acquired 36,000 · Balance 44,333

F1: RSUs granted to the Reporting Person under the Issuer's Amended and Restated 2021 Equity Incentive Plan. Each RSU represents the contingent right to receive one share of Common Stock. The RSUs vest in twelve substantially equal installments (rounded down to the nearest whole share on each vesting date except with respect to the final vesting date on which the remaining unvested portion shall vest). The first eleven installments shall vest beginning on the last day of each month over a period from June, 2026 to April, 2027 and the last installment shall vest on the earlier of (i) the day before the 2027 Annual Meeting of Stockholders is held or (ii) May 31, 2027, provided that the Reporting Person continues to serve as a director of the Issuer on each such vesting date.

Filing footnotes · ownership attribution and instrument terms

F1: RSUs granted to the Reporting Person under the Issuer's Amended and Restated 2021 Equity Incentive Plan. Each RSU represents the contingent right to receive one share of Common Stock. The RSUs vest in twelve substantially equal installments (rounded down to the nearest whole share on each vesting date except with respect to the final vesting date on which the remaining unvested portion shall vest). The first eleven installments shall vest beginning on the last day of each month over a period from June, 2026 to April, 2027 and the last installment shall vest on the earlier of (i) the day before the 2027 Annual Meeting of Stockholders is held or (ii) May 31, 2027, provided that the Reporting Person continues to serve as a director of the Issuer on each such vesting date.

Transaction history

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

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

Transaction dateCompanyActivity / securityShares / unitsReported priceReported valueDetails
May 21, 2026 Filed May 26, 2026 22:12 UTC Verastem, Inc. VSTM · Entity 5242 GrantCommon Stock 36,000 $0.00 $0.00
Disclosure

SEC source: 0001104659-26-066413 · tm2615478-9_4seq1.xml · nonDerivative · entry 1

Bunn Paul A. · CIK 0001868760 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 44,333

F1 · shares: RSUs granted to the Reporting Person under the Issuer's Amended and Restated 2021 Equity Incentive Plan. Each RSU represents the contingent right to receive one share of Common Stock. The RSUs vest in twelve substantially equal installments (rounded down to the nearest whole share on each vesting date except with respect to the final vesting date on which the remaining unvested portion shall vest). The first eleven installments shall vest beginning on the last day of each month over a period from June, 2026 to April, 2027 and the last installment shall vest on the earlier of (i) the day before the 2027 Annual Meeting of Stockholders is held or (ii) May 31, 2027, provided that the Reporting Person continues to serve as a director of the Issuer on each such vesting date.

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November 21, 2025 Filed Nov 25, 2025 22:35 UTC Verastem, Inc. VSTM · Entity 5242 Exercise / conversionStock Options (right to buy) · Derivative 6,250 $0.00 Strike: $3.27 $0.00
Disclosure

SEC source: 0001104659-25-116061 · tm2532206-2_4seq1.xml · derivative · entry 3

Bunn Paul A. · CIK 0001868760 · Director

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 6,250

Underlying: Common Stock · 6,250 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 · kind: The transactions reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person.

F3 · derivative.exercise_date: The stock option vested in twelve equal installments (rounded down to the nearest whole share on each vesting date except with respect to the final vesting date on which the remaining unvested portion vested). The first eleven installments vested beginning on the last day of the month over the period from June, 2024 to April, 2025 and the last installment vested on the day before the 2025 Annual Meeting of Stockholders.

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November 21, 2025 Filed Nov 25, 2025 22:35 UTC Verastem, Inc. VSTM · Entity 5242 Exercise / conversionCommon Stock 6,250 $3.27 $20,437.50
Disclosure

SEC source: 0001104659-25-116061 · tm2532206-2_4seq1.xml · nonDerivative · entry 2

Bunn Paul A. · CIK 0001868760 · Director

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 8,333

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 transactions reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person.

F1 · shares: The transactions reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person.

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November 21, 2025 Filed Nov 25, 2025 22:35 UTC Verastem, Inc. VSTM · Entity 5242 SaleCommon Stock 6,250 $10.00 $62,500.00
Disclosure

SEC source: 0001104659-25-116061 · tm2532206-2_4seq1.xml · nonDerivative · entry 1

Bunn Paul A. · CIK 0001868760 · Director

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 2,083

F1 · kind: The transactions reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person.

F1 · shares: The transactions reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan 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 ranging from $10.00 through $10.01, inclusive. The Reporting Person undertakes to provide 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 price within the range set forth herein.

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October 09, 2025 Filed Oct 14, 2025 20:31 UTC Verastem, Inc. VSTM · Entity 5242 SaleCommon Stock 8,333 $9.06 $75,496.98
Disclosure

SEC source: 0001104659-25-099308 · tm2528645-1_4seq1.xml · nonDerivative · entry 1

Bunn Paul A. · CIK 0001868760 · Director

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 8,333

F1 · kind: The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person.

F1 · shares: The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan 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 ranging from $8.70 through $9.33, inclusive. The Reporting Person undertakes to provide 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 price within the range set forth herein.

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May 22, 2025 Filed May 27, 2025 21:52 UTC Verastem, Inc. VSTM · Entity 5242 GrantStock Option (right to buy) · Derivative 12,500 $0.00 Strike: $7.48 $0.00
Disclosure

SEC source: 0001104659-25-053101 · tm2516118-8_4seq1.xml · derivative · entry 2

Bunn Paul A. · CIK 0001868760 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 12,500

Underlying: Common Stock · 12,500 shares

Expires 2035-05-22

F2 · derivative.exercise_date: The stock option vests in twelve equal installments (rounded down to the nearest whole share on each vesting date except with respect to the final vesting date on which the remaining unvested portion shall vest). The first eleven installments shall vest beginning on the last day of each month over a period from June, 2025 to April, 2026 and the last installment shall vest on the earlier of (i) the day before the 2026 Annual Meeting of Stockholders is held or (ii) May 31, 2026, provided that the Reporting Person continues to serve as a director of the Issuer on each such vesting date.

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May 22, 2025 Filed May 27, 2025 21:52 UTC Verastem, Inc. VSTM · Entity 5242 GrantCommon Stock 8,333 $0.00 $0.00
Disclosure

SEC source: 0001104659-25-053101 · tm2516118-8_4seq1.xml · nonDerivative · entry 1

Bunn Paul A. · CIK 0001868760 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 16,666

F1 · shares: RSUs granted to the Reporting Person under the Issuer's Amended and Restated 2021 Equity Incentive Plan. Each RSU represents the contingent right to receive one share of Common Stock. The RSUs vest in twelve equal installments (rounded down to the nearest whole share on each vesting date except with respect to the final vesting date on which the remaining unvested portion shall vest). The first eleven installments shall vest beginning on the last day of each month over a period from June, 2025 to April, 2026 and the last installment shall vest on the earlier of (i) the day before the 2026 Annual Meeting of Stockholders is held or (ii) May 31, 2026, provided that the Reporting Person continues to serve as a director of the Issuer on each such vesting date.

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June 18, 2024 Filed Jun 21, 2024 00:33 UTC Verastem, Inc. VSTM · Entity 5242 GrantStock Option (right to buy) · Derivative 12,500 $0.00 Strike: $3.27 $0.00
Disclosure

SEC source: 0001104659-24-073611 · tm2417704-11_4seq1.xml · derivative · entry 2

Bunn Paul A. · CIK 0001868760 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 12,500

Underlying: Common Stock · 12,500 shares

Expires 2034-06-18

F2 · derivative.exercise_date: The stock option vests in twelve equal installments (rounded down to the nearest whole share on each vesting date except with respect to the final vesting date on which the remaining unvested portion shall vest). The first eleven installments shall vest beginning on the last day of each month over a period from June, 2024 to April, 2025 and the last installment shall vest on the earlier of (i) the day before the 2025 Annual Meeting of Stockholders is held or (ii) May 31, 2025, provided that the Reporting Person continues to serve as a director of the Issuer on each such vesting date.

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June 18, 2024 Filed Jun 21, 2024 00:33 UTC Verastem, Inc. VSTM · Entity 5242 GrantCommon Stock 8,333 $0.00 $0.00
Disclosure

SEC source: 0001104659-24-073611 · tm2417704-11_4seq1.xml · nonDerivative · entry 1

Bunn Paul A. · CIK 0001868760 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 8,333

F1 · shares: Restricted stock units ("RSUs") granted to the Reporting Person under the Issuer's Amended and Restated 2021 Equity Incentive Plan. Each RSU represents the contingent right to receive one share of Common Stock. The RSUs vest in twelve equal installments (rounded down to the nearest whole share on each vesting date except with respect to the final vesting date on which the remaining unvested portion shall vest). The first eleven installments shall vest beginning on the last day of each month over a period from June, 2024 to April, 2025 and the last installment shall vest on the earlier of (i) the day before the 2025 Annual Meeting of Stockholders is held or (ii) May 31, 2025, provided that the Reporting Person continues to serve as a director of the Issuer on each such vesting date.

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March 11, 2024 Filed Mar 13, 2024 22:18 UTC Verastem, Inc. VSTM · Entity 5242 GrantStock Option (right to buy) · Derivative 6,113 Not disclosed Strike: $11.44 Not disclosed
Disclosure

SEC source: 0001104659-24-034045 · tm248737-8_4seq1.xml · derivative · entry 2

Bunn Paul A. · CIK 0001868760 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 6,113

Underlying: Common Stock · 6,113 shares

Expires 2034-03-11

F1 · price: On March 11, 2024, the Issuer cancelled, pursuant to the Issuer's option exchange program, certain eligible unexercised options with an exercise price greater than $15.00 granted to the Reporting Person. In exchange, the Reporting Person received a grant of 6,113 stock options that will vest in two equal installments over a two-year period from March 11, 2024 (with the number of shares vesting on each vesting date will be rounded down to the nearest whole share, except with respect to the vesting dates on which all remaining unvested shares shall vest), provided the Reporting Person continues to serve as a director of or other service provider to the Issuer on each such vesting date.

F1 · derivative.exercise_date: On March 11, 2024, the Issuer cancelled, pursuant to the Issuer's option exchange program, certain eligible unexercised options with an exercise price greater than $15.00 granted to the Reporting Person. In exchange, the Reporting Person received a grant of 6,113 stock options that will vest in two equal installments over a two-year period from March 11, 2024 (with the number of shares vesting on each vesting date will be rounded down to the nearest whole share, except with respect to the vesting dates on which all remaining unvested shares shall vest), provided the Reporting Person continues to serve as a director of or other service provider to the Issuer on each such vesting date.

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March 11, 2024 Filed Mar 13, 2024 22:18 UTC Verastem, Inc. VSTM · Entity 5242 Disposition to issuerStock Option (right to buy) · Derivative 6,113 Not disclosed Strike: $53.16 Not disclosed
Disclosure

SEC source: 0001104659-24-034045 · tm248737-8_4seq1.xml · derivative · entry 1

Bunn Paul A. · CIK 0001868760 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 6,113 shares

Expires 2031-06-24

F1 · price: On March 11, 2024, the Issuer cancelled, pursuant to the Issuer's option exchange program, certain eligible unexercised options with an exercise price greater than $15.00 granted to the Reporting Person. In exchange, the Reporting Person received a grant of 6,113 stock options that will vest in two equal installments over a two-year period from March 11, 2024 (with the number of shares vesting on each vesting date will be rounded down to the nearest whole share, except with respect to the vesting dates on which all remaining unvested shares shall vest), provided the Reporting Person continues to serve as a director of or other service provider to the Issuer on each such vesting date.

F2 · derivative.exercise_date: The canceled stock option was granted on June 24, 2021, and provided for vesting in twelve equal month installments beginning on the last day of each month over a period from June 2021 to May 2022.

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May 15, 2023 Filed May 16, 2023 20:36 UTC Verastem, Inc. VSTM · Entity 5242 GrantStock Option (right to buy) · Derivative 62,500 $0.00 Strike: $0.42 $0.00
Disclosure

SEC source: 0001104659-23-061429 · tm2315836-9_4seq1.xml · derivative · entry 1

Bunn Paul A. · CIK 0001868760 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 62,500

Underlying: Common Stock · 62,500 shares

Expires 2033-05-15

F1 · derivative.exercise_date: The stock option vests in twelve equal installments (rounded down to the nearest whole share on each vesting date except with respect to the final vesting date on which the remaining unvested portion shall vest). The first eleven installments shall vest beginning on the last day of each month over a period from June, 2023 to April, 2024 and the last installment shall vest on the earlier of (i) the day before the 2024 Annual Meeting of Stockholders is held or (ii) May 31, 2024, provided that the Reporting Person continues to serve as a director of the Company on each such vesting date.

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June 22, 2022 Filed Jun 24, 2022 20:11 UTC Verastem, Inc. VSTM · Entity 5242 GrantStock Option (right to buy) · Derivative 62,500 $0.00 Strike: $1.11 $0.00
Disclosure

SEC source: 0001104659-22-074311 · tm2219034-5_4seq1.xml · derivative · entry 1

Bunn Paul A. · CIK 0001868760 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 62,500

Underlying: Common Stock · 62,500 shares

Expires 2032-06-22

F1 · derivative.exercise_date: The stock option vests in twelve equal month installments (rounded down to the nearest whole share on each vesting date except with respect to the final vesting date on which the remaining unvested portion shall vest) beginning on the on the last day of each month over a period from June, 2022 to May, 2023, provided that the Reporting Person continues to serve as a director of the Company on each such vesting date.

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May 12, 2022 Filed Dec 20, 2022 21:05 UTC Amendment Verastem, Inc. VSTM · Entity 5242 GrantStock Option (right to buy) · Derivative 62,500 $0.00 Strike: $1.07 $0.00
Disclosure

SEC source: 0001104659-22-128626 · tm2232937-1_4aseq1.xml · derivative · entry 1

Bunn Paul A. · CIK 0001868760 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 62,500

Underlying: Common Stock · 62,500 shares

Expires 2032-05-12

F1 · security: On June 24, 2022 the Reporting Person filed a Form 4 reporting a stock option grant which incorrectly stated an exercise price of $1.11, a transaction date of June 22, 2022 and an expiration date of June 22, 2032. This amendment is being filed to reflect the corrected exercise price of $1.07, transaction date of May 12, 2022 and expiration date of May 12, 2032.

F2 · derivative.exercise_date: The stock option vests in twelve equal month installments (rounded down to the nearest whole share on each vesting date except with respect to the final vesting date on which the remaining unvested portion shall vest) beginning on the on the last day of each month over a period from June, 2022 to May, 2023, provided that the Reporting Person continues to serve as a director of the Issuer on each such vesting date.

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June 24, 2021 Filed Jun 28, 2021 19:56 UTC Verastem, Inc. VSTM · Entity 5242 GrantStock Option (right to buy) · Derivative 73,356 $0.00 Strike: $4.43 $0.00
Disclosure

SEC source: 0001104659-21-086229 · tm2120828-4_4seq1.xml · derivative · entry 1

Bunn Paul A. · CIK 0001868760 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 73,356

Underlying: Common Stock · 73,356 shares

Expires 2031-06-24

F1 · derivative.exercise_date: The stock option vests in twelve equal month installments (rounded down to the nearest whole share on each vesting date except with respect to the final vesting date on which the remaining unvested portion shall vest) beginning on the on the last day of each month over a period from June, 2021 to May, 2022, provided that the Reporting Person continues to serve as a director of the Company on each such vesting date.

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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.