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CCCCNasdaq
C4 Therapeutics, Inc.
Biological Products, (No Diagnostic Substances) · DE · CIK 1662579
C4 Therapeutics creates new small-molecule medicines by degrading unwanted proteins for diseases
red 8-K · 90d
$431M
Market cap
$4.35
Last close
+2.1%
1D
+5.6%
5D
3.1M
Volume
Price · last 39 sessions+43.3%
May 4L $2.93 · H $4.40Jun 29
142
Total filings
Jun 24, 2026
Last filing
12/31
Fiscal year end
8-KShareholder VoteJun 24, 20268-KReg FD Disclosure · Company UpdateJun 11, 20268-KExecutive ChangeMay 15, 202610-Q10-QMay 12, 20268-KResults of Operations · Reg FD DisclosureMay 12, 2026DEFA14ADEFA14AApr 29, 2026DEF 14ADEF 14AApr 29, 20268-KBylaw AmendmentApr 10, 20268-KMaterial Agreement · Reg FD DisclosureApr 9, 202610-K10-KFeb 26, 20268-KResults of OperationsFeb 26, 20268-KReg FD DisclosureJan 14, 2026424B5424B5Dec 10, 202510-Q10-QNov 6, 20258-KResults of OperationsNov 6, 20258-KMaterial AgreementOct 16, 2025424B5424B5Oct 16, 20258-KCompany UpdateOct 16, 20258-KReg FD Disclosure · Company UpdateOct 1, 20258-KReg FD Disclosure · Company UpdateSep 22, 202510-Q10-QAug 7, 20258-KResults of Operations · Reg FD DisclosureAug 7, 20258-KBylaw Amendment · Shareholder VoteJun 18, 202510-Q10-QMay 7, 20258-KResults of Operations · Reg FD DisclosureMay 7, 2025DEFA14ADEFA14AApr 29, 2025DEF 14ADEF 14AApr 29, 20258-KExecutive ChangeApr 14, 202510-K10-KFeb 27, 20258-KResults of OperationsFeb 27, 20258-KResults of Operations · Reg FD DisclosureJan 14, 20258-KCompany UpdateDec 9, 20248-KExecutive Change · Reg FD DisclosureNov 20, 2024424B5424B5Nov 15, 2024SC 13GSCHEDULE 13GNov 14, 2024SC 13GSC 13GNov 8, 202410-Q10-QOct 31, 20248-KResults of OperationsOct 31, 2024SC 13GSC 13GOct 22, 20248-K/AExecutive Change · Reg FD DisclosureOct 16, 20248-KExecutive Change · Reg FD DisclosureOct 15, 20248-KExecutive ChangeOct 11, 20248-KExecutive Change · Reg FD DisclosureSep 3, 202410-Q10-QAug 1, 20248-KResults of OperationsAug 1, 20248-KShareholder VoteJun 21, 20248-KExecutive Change · Reg FD DisclosureJun 10, 202410-Q10-QMay 8, 20248-KResults of OperationsMay 8, 2024DEFA14ADEFA14AApr 29, 2024DEF 14ADEF 14AApr 29, 2024SC 13GSC 13GApr 10, 20248-KExecutive ChangeMar 8, 20248-KMaterial Agreement · Reg FD DisclosureMar 4, 202410-K10-KFeb 22, 20248-KResults of OperationsFeb 22, 2024SC 13GSCHEDULE 13GFeb 5, 2024SC 13GSC 13GJan 12, 20248-KReg FD DisclosureJan 11, 20248-KExit / Disposal Costs · Reg FD DisclosureJan 9, 2024SC 13GC4 THERAPEUTICS, INC.Jan 4, 2024SC 13GSC 13GDec 26, 2023SC 13GSC 13GDec 22, 20238-KReg FD Disclosure · Company UpdateDec 12, 20238-KMaterial Agreement · Reg FD DisclosureDec 12, 20238-KExecutive Change · Reg FD DisclosureNov 20, 2023SC 13GC4 THERAPEUTICS, INC.Nov 13, 202310-Q10-QNov 1, 20238-KResults of OperationsNov 1, 20238-KExecutive ChangeSep 5, 202310-Q10-QAug 8, 20238-KResults of OperationsAug 8, 2023SC 13GSC 13GJul 25, 20238-KExecutive Change · Shareholder VoteJun 20, 20238-KMaterial Agreement · Equity IssuanceMay 30, 202310-Q10-QMay 4, 20238-KResults of OperationsMay 4, 2023DEFA14ADEFA14AApr 28, 2023DEF 14ADEF 14AApr 28, 2023SC 13GSC 13GApr 14, 2023
Insider Activity
In the 90 days to Jan 16, 2026: 1 sold $22K.
| Date | Insider | Action | Shares | Price | Value |
|---|---|---|---|---|---|
| Jan 16, 2026 | Reyno LeonardChief Medical Officer | Sell | 10,000 | $2.22 | $22K |
Open-market buys & sells (Form 4, transaction codes P/S). Source: SEC structured insider data.
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