Loeillot Olivier, CEO of Repligen Corp ($RGEN), made one open market sale of common shares in the last year, totaling $1.2 million. His most recent sale occurred on November 25, 2025. These sales rank 4,521st among 11,678 individual insiders, compared to an average of $8.6 million across about 6.4 transactions per insider. He reported no open market purchases in the period.
| Transaction Date | Company | Ticker | Insider Name | Title | Transaction Type | Security | Shares | Price | Shares Owned Following | Total Shares Outstanding | % of Owned | % of Outstanding |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| March 5, 2026 | REPLIGEN CORP | $RGEN | Loeillot Olivier | Chief Executive Officer | A | Common Stock | 24134 | $0.00 | 58,078.0000 | 56,290,749 | 71.10% | 0.04% |
| March 5, 2026 | REPLIGEN CORP | $RGEN | Loeillot Olivier | Chief Executive Officer | A | Stock Option (Right to Buy) | 25890 | $0.00 | 25,890.0000 | 56,290,749 | 9999.99% | 0.05% |
| Feb. 27, 2026 | REPLIGEN CORP | $RGEN | Loeillot Olivier | Chief Executive Officer | F | Common Stock | 344 | $128.73 | 35,554.0000 | 56,290,749 | 0.96% | 0.00% |
| March 2, 2026 | REPLIGEN CORP | $RGEN | Loeillot Olivier | Chief Executive Officer | F | Common Stock | 1610 | $124.97 | 33,944.0000 | 56,290,749 | 4.53% | 0.00% |
| Nov. 25, 2025 | REPLIGEN CORP | $RGEN | Loeillot Olivier | Chief Executive Officer | S | Common Stock | 7041 | $170.00 | 35,898.0000 | 56,290,749 | 16.40% | 0.01% |
| Oct. 2, 2025 | REPLIGEN CORP | $RGEN | Loeillot Olivier | Chief Executive Officer | F | Common Stock | 1248 | $145.23 | 42,939.0000 | 56,148,556 | 2.82% | 0.00% |
| Sept. 3, 2025 | REPLIGEN CORP | $RGEN | Loeillot Olivier | Chief Executive Officer | F | Common Stock | 2506 | $116.18 | 44,187.0000 | 56,148,556 | 5.37% | 0.00% |
| March 3, 2025 | REPLIGEN CORP | $RGEN | Loeillot Olivier | Chief Executive Officer | A | Common Stock | 14480 | $0.00 | 46,693.0000 | 0 | 44.95% | 0.00% |
| March 3, 2025 | REPLIGEN CORP | $RGEN | Loeillot Olivier | Chief Executive Officer | A | Stock Option (Right to Buy) | 13627 | $0.00 | 13,627.0000 | 0 | 9999.99% | 0.00% |
| Feb. 27, 2025 | REPLIGEN CORP | $RGEN | Loeillot Olivier | Chief Executive Officer | F | Common Stock | 343 | $156.54 | 32,213.0000 | 0 | 1.05% | 0.00% |
| Nov. 20, 2024 | REPLIGEN CORP | $RGEN | Loeillot Olivier | Chief Executive Officer | F | Common Stock | 861 | $123.41 | 32,556.0000 | 0 | 2.58% | 0.00% |
| Sept. 3, 2024 | REPLIGEN CORP | $RGEN | Loeillot Olivier | Chief Executive Officer | A | Stock Option (Right to Buy) | 16278 | $0.00 | 16,278.0000 | 0 | 9999.99% | 0.00% |
| Sept. 3, 2024 | REPLIGEN CORP | $RGEN | Loeillot Olivier | Chief Executive Officer | A | Common Stock | 17631 | $0.00 | 33,417.0000 | 0 | 111.69% | 0.00% |
| Feb. 27, 2024 | REPLIGEN CORP | $RGEN | Loeillot Olivier | President and CCO | A | Stock Option (Right to Buy) | 2860 | $0.00 | 2,860.0000 | 0 | 9999.99% | 0.00% |
| Feb. 27, 2024 | REPLIGEN CORP | $RGEN | Loeillot Olivier | President and CCO | A | Common Stock | 2880 | $0.00 | 15,786.0000 | 0 | 22.32% | 0.00% |