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RGENNasdaq
REPLIGEN CORP
Biological Products, (No Diagnostic Substances) · DE · CIK 730272
Develops and sells bioprocessing equipment and supplies for manufacturing biologic drugs
$7.37B
Market cap
$137.00
Last close
-6.8%
1D
+8.2%
5D
1.8M
Volume
Price · last 39 sessions+15.9%
May 4L $102.87 · H $147.01Jun 29
302
Total filings
May 15, 2026
Last filing
12/31
Fiscal year end
8-KShareholder VoteMay 15, 202610-Q10-QMay 6, 20268-KResults of OperationsMay 5, 2026DEFA14ADEFA14AApr 27, 2026DEFA14ADEFA14AApr 2, 2026DEF 14ADEF 14AApr 2, 202610-K10-KFeb 26, 20268-KResults of OperationsFeb 24, 20268-KExecutive Change · Reg FD DisclosureJan 6, 202610-Q10-QNov 4, 20258-KResults of OperationsOct 28, 20258-KExecutive ChangeSep 2, 202510-Q10-QAug 7, 20258-KResults of OperationsJul 29, 20258-KBylaw Amendment · Shareholder VoteMay 15, 202510-Q10-QApr 29, 20258-KResults of OperationsApr 29, 2025DEFA14ADEFA14AApr 4, 2025DEF 14ADEF 14AApr 4, 202510-K10-KMar 14, 20258-KResults of OperationsFeb 20, 202510-Q10-QNov 18, 202410-Q/A10-Q/ANov 18, 202410-Q/A10-Q/ANov 18, 202410-K/A10-K/ANov 18, 202410-Q/A10-Q/ANov 18, 202410-Q/A10-Q/ANov 18, 202410-Q/A10-Q/ANov 18, 20248-KResults of Operations · Reg FD DisclosureNov 12, 20248-KRestatement · Results of OperationsSep 18, 202410-Q10-QJul 30, 20248-KResults of OperationsJul 30, 20248-KCompany UpdateJul 15, 20248-KExecutive ChangeJun 14, 20248-KReg FD DisclosureJun 13, 20248-KShareholder VoteMay 17, 2024DEFA14ADEFA14AMay 3, 202410-Q10-QMay 1, 20248-KResults of OperationsMay 1, 2024DEFA14ADEFA14AApr 1, 2024DEF 14ADEF 14AApr 1, 20248-KExecutive Change · Reg FD DisclosureMar 19, 202410-K10-KFeb 22, 20248-KResults of OperationsFeb 21, 20248-KMaterial Agreement · New Debt / ObligationDec 15, 20238-KEquity Issuance · Company UpdateDec 7, 202310-Q10-QOct 31, 20238-KResults of OperationsOct 31, 20238-KExecutive ChangeOct 2, 20238-KReg FD Disclosure · Company UpdateSep 26, 20238-KExecutive ChangeSep 12, 202310-Q10-QAug 2, 20238-KResults of OperationsAug 2, 20238-KBylaw Amendment · Shareholder VoteMay 22, 202310-Q10-QMay 2, 20238-KResults of OperationsMay 2, 20238-KCompany UpdateApr 18, 20238-KReg FD Disclosure · Company UpdateApr 12, 2023DEF 14ADEF 14AApr 11, 202310-K10-KFeb 22, 20238-KResults of OperationsFeb 22, 20238-KExecutive ChangeFeb 9, 202310-Q10-QNov 1, 20228-KResults of OperationsNov 1, 2022SC 13GSC 13GSep 8, 202210-Q10-QAug 2, 20228-KResults of OperationsAug 2, 20228-KExecutive Change · Shareholder VoteJun 1, 202210-Q10-QApr 27, 20228-KResults of OperationsApr 27, 2022DEFA14ADEFA14AApr 11, 2022DEF 14ADEF 14AApr 11, 20228-KMaterial AgreementMar 8, 202210-K10-KFeb 17, 20228-KResults of OperationsFeb 17, 2022SC 13GSC 13GFeb 14, 20228-KExecutive ChangeJan 4, 20228-KReg FD Disclosure · Company UpdateDec 16, 202110-Q10-QOct 28, 20218-KResults of OperationsOct 28, 2021
Insider Activity
In the 90 days to Dec 17, 2025: 4 sold $8.6M.
| Date | Insider | Action | Shares | Price | Value |
|---|---|---|---|---|---|
| Dec 17, 2025 | Dawes Karen ADirector | Sell | 275 | $161.00 | $44K |
| Nov 25, 2025 | Loeillot OlivierChief Executive Officer | Sell | 7,041 | $170.00 | $1.2M |
| Nov 18, 2025 | Bylund JamesChief Operating Officer | Sell | 2,191 | $151.21 | $331K |
| Nov 13, 2025 | Hunt AnthonyDirector | Sell | 5,737 | $156.22 | $896K |
| Nov 13, 2025 | Hunt AnthonyDirector | Sell | 3,000 | $155.45 | $466K |
| Nov 13, 2025 | Hunt AnthonyDirector | Sell | 2,923 | $153.14 | $448K |
| Nov 13, 2025 | Hunt AnthonyDirector | Sell | 2,500 | $154.32 | $386K |
| Nov 13, 2025 | Hunt AnthonyDirector | Sell | 2,100 | $152.17 | $320K |
| Nov 13, 2025 | Hunt AnthonyDirector | Sell | 1,956 | $157.11 | $307K |
| Nov 13, 2025 | Hunt AnthonyDirector | Sell | 1,784 | $151.01 | $269K |
| Nov 12, 2025 | Hunt AnthonyDirector | Sell | 11,096 | $158.01 | $1.8M |
| Nov 12, 2025 | Hunt AnthonyDirector | Sell | 4,959 | $156.65 | $777K |
| Nov 12, 2025 | Hunt AnthonyDirector | Sell | 4,740 | $155.85 | $739K |
| Nov 12, 2025 | Hunt AnthonyDirector | Sell | 3,741 | $154.92 | $580K |
| Nov 12, 2025 | Hunt AnthonyDirector | Sell | 464 | $158.51 | $74K |
Open-market buys & sells (Form 4, transaction codes P/S). Source: SEC structured insider data.
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