REPLIGEN CORP (RGEN) has 5 SEC Form 4 insider filings on record in the last 90 days. No insider purchases were filed — 3 sales totalling $1.2M. Most recent filing: Sept. 8, 2026.
| Date | Insider | Value | Shares | Stake | Pre-planned | Links |
|---|---|---|---|---|---|---|
| Sept. 8, 2026 filed Sept. 3, 2026 | Loeillot Olivier Chief Executive Officer | −$985,538 | 5,877 | −11% | Yes | |
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| Sept. 2, 2026 filed March 5, 2026 | Hughes Violetta CHIEF ACCOUNTING OFFICER | — | +2,189 | +53% | No | |
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| Aug. 21, 2026 filed Aug. 20, 2026 | Loeillot Olivier Chief Executive Officer | $207,327 | 16,278 | 0% | Yes | |
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| July 17, 2026 filed July 16, 2026 | Garland Jason K CFO | −$79,500 | 530 | −3% | Yes | |
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| June 26, 2026 filed June 25, 2026 | Garland Jason K CFO | −$106,285 | 733 | −4% | Yes | |
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Form 4 is the filing company officers, directors and 10% shareholders must submit to the SEC within two business days of trading their own company's stock. Open-market purchases generally carry more signal than sales, which are often scheduled in advance. More on how this works.
Real-time Telegram alerts the moment a Form 4 is filed. Filings shown here are delayed by 72 hours.
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