CIK 0000730272 · Large accelerated filer
REPLIGEN CORP
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- RGEN
- Exchange
- Nasdaq
- Industry
- Biological Products, (No Diagnostic Substances)
- FY end
- Dec 31
- Incorporated
- DE
- Entity type
- operating
- EIN
- 042729386
- Phone
- 7814499560
- Business address
- 41 SEYON STREET, BUILDING 1, SUITE 100, WALTHAM, MA, 02453
- Open-market buys, last 90 days
- $0
- in 0 filings
- Open-market sales, last 90 days
- $5,953,260
- in 5 filings, $6.0M under 10b5-1 plans
Net −$5,953,260. Shares bought or sold at a price by officers, directors and 10% owners (Form 4 codes P and S). Grants, option exercises and tax withholding aren't counted.
Who's trading
90 days
Reading 100 more Form 4s from the SEC; this list fills in as they're read.
| Date | Insider | Transaction | Shares | Price | Value | Owned after |
|---|---|---|---|---|---|---|
| 2025-09-10 | Hunt Anthony Director | Sale | −2,179 | $122.23 | $266K | 100,743 |
| 2025-09-10 | Hunt Anthony Director | Option exercise · Stock Option (Right to Buy) | −20,000 | 182,344 | ||
| 2025-09-03 | Loeillot Olivier Chief Executive Officer | Shares withheld for taxes | −2,506 | $116.18 | $291K | 44,187 |
| 2025-09-02 | Hughes Violetta CHIEF ACCOUNTING OFFICER | Grant or award | +4,142 | 4,142 | ||
| 2025-09-02 | Hughes Violetta CHIEF ACCOUNTING OFFICER | Grant or award · Stock Option (Right to Buy) | +3,914 | 3,914 | ||
| 2025-08-08 | Madaus Martin D Director | Purchase | +1,800 | $112.13 | $202K | 1,800 |
| 2025-05-15 | BARTHELEMY NICOLAS Director | Grant or award | +973 | 4,441 | ||
| 2025-05-15 | BARTHELEMY NICOLAS Director | Grant or award · Stock Option (Right to Buy) | +1,800 | 1,800 | ||
| 2025-05-15 | Konstantinov Konstantin Director | Grant or award | +973 | 2,894 | ||
| 2025-05-15 | Konstantinov Konstantin Director | Grant or award · Stock Option (Right to Buy) | +1,800 | 1,800 | ||
| 2025-05-15 | MUIR GLENN P Director | Grant or award | +973 | 33,256 | ||
| 2025-05-15 | MUIR GLENN P Director | Grant or award · Stock Option (Right to Buy) | +1,800 | 1,800 | ||
| 2025-05-15 | EGLINTON MANNER CARRIE Director | Grant or award | +973 | 4,466 | ||
| 2025-05-15 | EGLINTON MANNER CARRIE Director | Grant or award · Stock Option (Right to Buy) | +1,800 | 1,800 | ||
| 2025-05-15 | DAWES KAREN A Director | Grant or award | +973 | 92,096 | ||
| 2025-05-15 | DAWES KAREN A Director | Grant or award · Stock Option (Right to Buy) | +1,800 | 1,800 | ||
| 2025-05-15 | Madaus Martin D Director | Grant or award | +973 | 5,586 | ||
| 2025-05-15 | Madaus Martin D Director | Grant or award · Stock Option (Right to Buy) | +1,800 | 1,800 | ||
| 2025-05-15 | Pax Margaret Director | Grant or award | +973 | 2,016 | ||
| 2025-05-15 | Pax Margaret Director | Grant or award · Stock Option (Right to Buy) | +1,800 | 1,800 |
Page 6 of 11 · 215 trades