Updated Jul 16, 2026
Loeillot Olivier has filed 1 SEC Form 4 filing across 1 company in the last 90 days — selling. Lifetime open-market sales: $1.73M.

Olivier Loeillot is the Chief Executive Officer of Repligen Corporation, a leading global life sciences company specializing in bioprocessing equipment and supplies for the biopharmaceutical industry. He has been instrumental in driving the company's growth and innovation in the manufacturing of biologic drugs.
| Role | Insider |
|---|---|
| Notability | 50/100 |
| Date | Ticker | Company | Code | Shares | Price | Value |
|---|---|---|---|---|---|---|
| 2026-04-22 | RGEN | REPLIGEN CORP | S — Open-market sale | 3.8K | $140.00 | $536K |
| 2026-03-23 | RGEN | REPLIGEN CORP | A — Grant or award | 24.1K | $0.00 | |
| 2026-03-03 | RGEN | REPLIGEN CORP | F — Tax withholding / forfeiture | 1.6K | $124.97 | $201K |
| 2026-03-03 | RGEN | REPLIGEN CORP | F — Tax withholding / forfeiture | 344 | $128.73 | $44K |
| 2025-11-26 | RGEN | REPLIGEN CORP | S — Open-market sale | 7.0K | $170.00 | $1.20M |
| 2025-10-02 | RGEN | REPLIGEN CORP | F — Tax withholding / forfeiture | 1.2K | $145.23 | $181K |
| 2025-09-03 | RGEN | REPLIGEN CORP | F — Tax withholding / forfeiture | 2.5K | $116.18 | $291K |
| 2024-11-21 | RGEN | REPLIGEN CORP | F — Tax withholding / forfeiture | 861 | $123.41 | $106K |
Olivier Loeillot is the Chief Executive Officer of Repligen Corporation, a leading global life sciences company specializing in bioprocessing equipment and supplies for the biopharmaceutical industry. He has been instrumental in driving the company's growth and innovation in the manufacturing of biologic drugs.…
1 primary Form 4 filings in the last 90 days, covering 1 company.
Recorded transactions: 0 open-market purchases () and 2 open-market sales ($1.73M) across all tracked filings.
All Form 4 filings, transaction values, and 10b5-1 plan flags are listed on this page and updated in real time as new SEC EDGAR filings are processed.
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