FilingPulse

CCCC insider transaction filings

C4 Therapeutics, Inc. — 50 most recent Form 4 filings from SEC EDGAR, normalized by FilingPulse. Latest filing: 2026-07-13. Screen CCCC transaction legs live →

FiledFormInsiderReported transactionsSource
2026-07-134REYNO LEONARD — Chief Medical OfficerOption exercise (M): 15,325 @ $0 · Tax withholding (F): 7,397 @ $4.06EDGAR
2026-07-024GROGAN DONNA ROY — DirectorGrant/award (A): 3,341 @ $4.34EDGAR
2026-07-024Anderson Kenneth Carl — DirectorGrant/award (A): 2,650 @ $4.34EDGAR
2026-06-264Koppikar Utpal — DirectorGrant/award (A): 62,000 (derivative) @ $0EDGAR
2026-06-264Anderson Kenneth Carl — DirectorGrant/award (A): 62,000 (derivative) @ $0EDGAR
2026-06-264Cooper Ronald Harold Wilfred — DirectorGrant/award (A): 62,000 (derivative) @ $0EDGAR
2026-06-264Bessen Laura — DirectorGrant/award (A): 62,000 (derivative) @ $0EDGAR
2026-06-264Fawell Stephen — DirectorGrant/award (A): 62,000 (derivative) @ $0EDGAR
2026-06-264GROGAN DONNA ROY — DirectorGrant/award (A): 62,000 (derivative) @ $0EDGAR
2026-06-264Hughes Owen — DirectorGrant/award (A): 62,000 (derivative) @ $0EDGAR
2026-06-264Hoerter Steven L. — DirectorGrant/award (A): 62,000 (derivative) @ $0EDGAR
2026-06-044Anderson Kenneth Carl — DirectorOption exercise (M): 1,070 @ $2.11 · Option exercise (M): 1,070 (derivative) @ $0EDGAR
2026-04-034Anderson Kenneth Carl — DirectorGrant/award (A): 4,259 @ $2.70EDGAR
2026-04-034GROGAN DONNA ROY — DirectorGrant/award (A): 5,370 @ $2.70EDGAR
2026-02-184Boyle Scott N — Chief Business OfficerGrant/award (A): 200,000 @ $0 · Option exercise (M): 5,000 @ $0 · Tax withholding (F): 1,735 @ $1.89 · Option exercise (M): 20,950 @ $0 · Tax withholding (F): 7,269 @ $1.89EDGAR
2026-02-184Mahaney Paige — Chief Scientific OfficerGrant/award (A): 240,000 @ $0 · Option exercise (M): 7,050 @ $0 · Tax withholding (F): 2,446 @ $1.89EDGAR
2026-02-184Schick Kelly — Chief People OfficerGrant/award (A): 200,000 @ $0 · Option exercise (M): 5,000 @ $0 · Tax withholding (F): 1,735 @ $1.89 · Option exercise (M): 20,950 @ $0 · Tax withholding (F): 7,269 @ $1.89EDGAR
2026-02-184Adams Kendra — Chief Financial OfficerGrant/award (A): 240,000 @ $0 · Option exercise (M): 3,750 @ $0 · Tax withholding (F): 1,863 @ $1.89 · Option exercise (M): 30,950 @ $0 · Tax withholding (F): 15,381 @ $1.89EDGAR
2026-02-184Mossler Mark — Chief Accounting OfficerGrant/award (A): 56,980 @ $0 · Option exercise (M): 9,420 @ $0 · Tax withholding (F): 3,268 @ $1.89EDGAR
2026-02-184Hirsch Andrew — President & CEO, DirectorGrant/award (A): 700,000 @ $0 · Option exercise (M): 81,725 @ $0 · Tax withholding (F): 39,154 @ $1.89 · Option exercise (M): 20,400 @ $0 · Tax withholding (F): 9,057 @ $1.89EDGAR
2026-02-184REYNO LEONARD — Chief Medical OfficerGrant/award (A): 240,000 @ $0 · Option exercise (M): 30,950 @ $0 · Tax withholding (F): 16,579 @ $1.89EDGAR
2026-01-164REYNO LEONARD — Chief Medical OfficerSale (S): 10,000 @ $2.22EDGAR
2026-01-054Anderson Kenneth Carl — DirectorGrant/award (A): 5,958 @ $1.93EDGAR
2026-01-054GROGAN DONNA ROY — DirectorGrant/award (A): 7,513 @ $1.93EDGAR
2025-10-304Mahaney Paige — Chief Scientific OfficerOption exercise (M): 19,200 @ $0 · Tax withholding (F): 5,644 @ $2.58EDGAR
2025-10-034Anderson Kenneth Carl — DirectorGrant/award (A): 5,349 @ $2.15EDGAR
2025-10-034GROGAN DONNA ROY — DirectorGrant/award (A): 6,740 @ $2.15EDGAR
2025-09-194Adams Kendra — Chief Financial OfficerOption exercise (M): 6,250 @ $0 · Tax withholding (F): 2,775 @ $3.32EDGAR
2025-07-154/AREYNO LEONARD — Chief Medical OfficerOption exercise (M): 15,325 @ $0 · Tax withholding (F): 7,382 @ $1.99EDGAR
2025-07-144REYNO LEONARD — Chief Medical OfficerTax withholding (F): 7,382 @ $1.99EDGAR
2025-07-024Anderson Kenneth Carl — DirectorGrant/award (A): 7,616 @ $1.51EDGAR
2025-07-024GROGAN DONNA ROY — DirectorGrant/award (A): 9,609 @ $1.51EDGAR
2025-06-204Anderson Kenneth Carl — DirectorGrant/award (A): 35,500 (derivative) @ $0EDGAR
2025-06-204Koppikar Utpal — DirectorGrant/award (A): 35,500 (derivative) @ $0EDGAR
2025-06-204Fawell Stephen — DirectorGrant/award (A): 35,500 (derivative) @ $0EDGAR
2025-06-204Bessen Laura — DirectorGrant/award (A): 35,500 (derivative) @ $0EDGAR
2025-06-204GROGAN DONNA ROY — DirectorGrant/award (A): 35,500 (derivative) @ $0EDGAR
2025-06-204Cooper Ronald Harold Wilfred — DirectorGrant/award (A): 35,500 (derivative) @ $0EDGAR
2025-06-204Hughes Owen — DirectorGrant/award (A): 35,500 (derivative) @ $0EDGAR
2025-06-204Hoerter Steven L. — DirectorGrant/award (A): 35,500 (derivative) @ $0EDGAR
2025-04-034GROGAN DONNA ROY — DirectorGrant/award (A): 9,581 @ $1.44EDGAR
2025-04-034Anderson Kenneth Carl — DirectorGrant/award (A): 7,841 @ $1.44EDGAR
2025-02-184Siegel Jolie — Chief Legal OfficerTax withholding (F): 2,135 @ $3.20 · Grant/award (A): 56,500 @ $0 · Tax withholding (F): 2,914 @ $3.18 · Grant/award (A): 84,700 (derivative) @ $0EDGAR
2025-02-184Boyle Scott N — Chief Business OfficerTax withholding (F): 1,735 @ $3.20 · Grant/award (A): 56,500 @ $0 · Sale (S): 490 @ $3.15 · Tax withholding (F): 2,368 @ $3.18 · Sale (S): 669 @ $3.15 · Grant/award (A): 84,700 (derivative) @ $0EDGAR
2025-02-184Mossler Mark — Chief Accounting OfficerTax withholding (F): 1,586 @ $3.18EDGAR
2025-02-184Schick Kelly — Chief People OfficerTax withholding (F): 1,735 @ $3.20 · Grant/award (A): 56,500 @ $0 · Tax withholding (F): 2,368 @ $3.18 · Grant/award (A): 84,700 (derivative) @ $0EDGAR
2025-02-184Adams Kendra — Chief Financial OfficerTax withholding (F): 1,863 @ $3.20 · Grant/award (A): 87,100 @ $0 · Tax withholding (F): 4,559 @ $3.18 · Grant/award (A): 130,600 (derivative) @ $0EDGAR
2025-02-184Mahaney Paige — Chief Scientific OfficerGrant/award (A): 28,200 @ $0 · Grant/award (A): 42,400 (derivative) @ $0EDGAR
2025-02-184Hirsch Andrew — President & CEO, DirectorGrant/award (A): 223,500 @ $0 · Tax withholding (F): 12,847 @ $3.18 · Tax withholding (F): 9,370 @ $3.18 · Grant/award (A): 335,300 (derivative) @ $0EDGAR
2025-02-184REYNO LEONARD — Chief Medical OfficerGrant/award (A): 87,100 @ $0 · Tax withholding (F): 5,145 @ $3.18 · Grant/award (A): 130,600 (derivative) @ $0EDGAR

Recent 8-K events — C4 Therapeutics, Inc.

FiledFormItems reportedSource
2026-08-118-K2.02 — Results of Operations and Financial Condition
9.01 — Financial Statements and Exhibits		EDGAR
2026-06-248-K5.07 — Submission of Matters to a Vote of Security Holders
9.01 — Financial Statements and Exhibits		EDGAR
2026-06-118-K7.01 — Regulation FD Disclosure
8.01 — Other Events
9.01 — Financial Statements and Exhibits		EDGAR
2026-05-158-K5.02 — Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain OfficersEDGAR
2026-05-128-K2.02 — Results of Operations and Financial Condition
7.01 — Regulation FD Disclosure
9.01 — Financial Statements and Exhibits		EDGAR
2026-04-108-K5.03 — Amendments to Articles of Incorporation or Bylaws; Change in Fiscal Year
9.01 — Financial Statements and Exhibits		EDGAR
2026-04-098-K1.01 — Entry into a Material Definitive Agreement
7.01 — Regulation FD Disclosure
9.01 — Financial Statements and Exhibits		EDGAR
2026-02-268-K2.02 — Results of Operations and Financial Condition
9.01 — Financial Statements and Exhibits		EDGAR
2026-01-148-K7.01 — Regulation FD Disclosure
9.01 — Financial Statements and Exhibits		EDGAR
2025-11-068-K2.02 — Results of Operations and Financial Condition
9.01 — Financial Statements and Exhibits		EDGAR
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