RGEN REPLIGEN CORP
Nasdaq · SEC CIK 730272 · EDGAR
- Bought, last 12 months
- $0 0 purchases by 0 insiders
- Sold, last 12 months
- $11.77M 11 sales by 5 insiders
- Filings on record
- 208 since 2021-07-15, latest 2026-09-22 16:07
BoughtSold
Most active insiders, 12 months
| Insider | Title | Bought | Sold |
|---|---|---|---|
| Hunt Anthony | Dir | — | $7.01M |
| Loeillot Olivier | CEO, Dir | — | $4.19M |
| Bylund James | COO | — | $331.3K |
| Garland Jason K | CFO | — | $185.8K |
| DAWES KAREN A | Dir | — | $44.3K |
| Douglass Brian Robb | Chief PRODUCT Off | — | — |
| Pax Margaret | Dir | — | — |
| Hughes Violetta | CAO | — | — |
| Mhatre Rohin | Dir | — | — |
| Konstantinov Konstantin | Dir | — | — |
Transactions 266
| X | Filed | Traded | Ticker | Insider | Title | Type | Price | Qty | Owned | ΔOwn | Value |
|---|---|---|---|---|---|---|---|---|---|---|---|
| DT | 2026-09-22 16:07 | 2026-09-21 | RGEN | Loeillot Olivier | CEO, Dir | M - OptEx | $141.79 | +5,426 | 53.8K | +11% | +$769.4K |
| DT | 2026-09-22 16:07 | 2026-09-21 | RGEN | Loeillot Olivier | CEO, Dir | S - Sale+OE | $180.00 | -5,426 | 48.4K | -10% | -$976.7K |
| T | 2026-09-08 16:13 | 2026-09-03 | RGEN | Loeillot Olivier | CEO, Dir | F - Tax | $169.61 | -2,842 | 51.4K | -5% | -$482.0K |
| T | 2026-09-08 16:13 | 2026-09-04 | RGEN | Loeillot Olivier | CEO, Dir | S - Sale | $165.90 | -3,035 | 48.4K | -6% | -$503.5K |
| 2026-09-02 16:18 | 2026-03-05 | RGEN | Hughes Violetta | CAO | A - Grant | $0.00 | +2,466 | 6,608 | +60% | $0 | |
| 2026-09-02 16:18 | 2026-09-01 | RGEN | Hughes Violetta | CAO | F - Tax | $170.02 | -277 | 6,331 | -4% | -$47.1K | |
| DT | 2026-08-21 16:06 | 2026-08-20 | RGEN | Loeillot Olivier | CEO, Dir | M - OptEx | $141.79 | +5,426 | 59.7K | +10% | +$769.4K |
| DT | 2026-08-21 16:06 | 2026-08-20 | RGEN | Loeillot Olivier | CEO, Dir | S - Sale+OE | $180.00 | -5,426 | 54.2K | -9% | -$976.7K |
| T | 2026-07-17 16:40 | 2026-07-16 | RGEN | Garland Jason K | CFO | S - Sale | $150.00 | -530 | 18.8K | -3% | -$79.5K |
| T | 2026-06-26 16:05 | 2026-06-25 | RGEN | Garland Jason K | CFO | S - Sale | $145.00 | -733 | 19.4K | -4% | -$106.3K |
| D | 2026-05-18 16:05 | 2026-05-14 | RGEN | Madaus Martin D | Dir | A - Grant | $0.00 | +995 | 6,581 | +18% | $0 |
| D | 2026-05-18 16:05 | 2026-05-14 | RGEN | Konstantinov Konstantin | Dir | A - Grant | $0.00 | +995 | 3,889 | +34% | $0 |
| D | 2026-05-18 16:05 | 2026-05-14 | RGEN | Mhatre Rohin | Dir | A - Grant | $0.00 | +995 | 5,014 | +25% | $0 |
| D | 2026-05-18 16:05 | 2026-05-14 | RGEN | EGLINTON MANNER CARRIE | Dir | A - Grant | $0.00 | +995 | 5,461 | +22% | $0 |
| D | 2026-05-18 16:05 | 2026-05-14 | RGEN | Pax Margaret | Dir | A - Grant | $0.00 | +995 | 3,011 | +49% | $0 |
| D | 2026-05-18 16:05 | 2026-05-14 | RGEN | MUIR GLENN P | Dir | A - Grant | $0.00 | +995 | 40.1K | +3% | $0 |
| D | 2026-05-18 16:05 | 2026-05-14 | RGEN | DAWES KAREN A | Dir | A - Grant | $0.00 | +995 | 92.8K | +1% | $0 |
| D | 2026-05-18 16:05 | 2026-05-14 | RGEN | BARTHELEMY NICOLAS | Dir | A - Grant | $0.00 | +995 | 5,436 | +22% | $0 |
| D | 2026-05-08 14:48 | 2026-05-07 | RGEN | MUIR GLENN P | Dir | M - OptEx | $38.76 | +2,434 | 39.1K | +7% | +$94.3K |
| 2026-05-08 14:39 | 2026-05-07 | RGEN | Douglass Brian Robb | Chief PRODUCT Off | F - Tax | $126.43 | -334 | 7,985 | -4% | -$42.2K | |
| T | 2026-04-22 13:26 | 2026-04-21 | RGEN | Loeillot Olivier | CEO, Dir | S - Sale | $140.00 | -3,832 | 54.2K | -7% | -$536.5K |
| D | 2026-03-23 | 2026-03-05 | RGEN | KURIYEL RALF | Senior VP, R, D | A - Grant | $0.00 | +5,284 | 20.1K | +36% | $0 |
| D | 2026-03-23 | 2026-03-05 | RGEN | Bylund James | COO | A - Grant | $0.00 | +7,751 | 25.4K | +44% | $0 |
| D | 2026-03-23 | 2026-03-05 | RGEN | Loeillot Olivier | CEO | A - Grant | $0.00 | +24.1K | 58.1K | +71% | $0 |
| D | 2026-03-23 | 2026-03-05 | RGEN | Garland Jason K | CFO | A - Grant | $0.00 | +7,751 | 20.1K | +63% | $0 |
| 2026-03-05 | 2026-03-04 | RGEN | KURIYEL RALF | Senior VP, R, D | A - Grant | $0.00 | +125 | 14.8K | +0.9% | $0 | |
| 2026-03-05 | 2026-03-04 | RGEN | KURIYEL RALF | Senior VP, R, D | F - Tax | $125.84 | -42 | 14.8K | -0.3% | -$5,285 | |
| 2026-03-05 | 2026-03-04 | RGEN | Bylund James | COO | A - Grant | $0.00 | +125 | 17.7K | +0.7% | $0 | |
| 2026-03-05 | 2026-03-04 | RGEN | Bylund James | COO | F - Tax | $125.84 | -62 | 17.7K | -0.3% | -$7,802 | |
| M | 2026-03-03 | 2026-02-27+ | RGEN | Bylund James | COO | F - Tax | $126.39 | -3,911 | 17.6K | -18% | -$494.3K |
| M | 2026-03-03 | 2026-02-27+ | RGEN | KURIYEL RALF | Senior VP, R, D | F - Tax | $126.19 | -1,367 | 14.7K | -9% | -$172.5K |
| M | 2026-03-03 | 2026-02-27+ | RGEN | Loeillot Olivier | CEO, Dir | F - Tax | $125.63 | -1,954 | 35.6K | -5% | -$245.5K |
| 2026-03-03 | 2026-03-02 | RGEN | Douglass Brian Robb | Chief PRODUCT Off | F - Tax | $124.97 | -221 | 8,319 | -3% | -$27.6K | |
| 2026-03-03 | 2026-03-02 | RGEN | Hunt Anthony | Dir | F - Tax | $124.97 | -9,897 | 89.1K | -10% | -$1.24M | |
| M | 2026-03-03 | 2026-02-27+ | RGEN | Garland Jason K | CFO | F - Tax | $126.15 | -1,042 | 12.3K | -8% | -$131.4K |
| D | 2026-01-12 | 2025-12-31 | RGEN | Douglass Brian Robb | Chief PRODUCT Off | A - Grant | $0.00 | +2,288 | 8,540 | +37% | $0 |
| 2025-12-18 | 2025-12-17 | RGEN | DAWES KAREN A | Dir | S - Sale | $161.00 | -275 | 91.8K | -0.3% | -$44.3K | |
| D | 2025-12-17 | 2025-12-16 | RGEN | MUIR GLENN P | Dir | M - OptEx | $26.12 | +3,366 | 36.6K | +10% | +$87.9K |
| 2025-12-08 | 2025-12-04 | RGEN | Hunt Anthony | Dir | J - Other | — | -2,000 | 99.0K | -2% | — | |
| T | 2025-11-26 | 2025-11-25 | RGEN | Loeillot Olivier | CEO, Dir | S - Sale | $170.00 | -7,041 | 35.9K | -16% | -$1.20M |
| 2025-11-19 | 2025-11-18 | RGEN | Bylund James | COO | S - Sale | $151.21 | -2,191 | 21.5K | -9% | -$331.3K | |
| DM | 2025-11-14 | 2025-11-13 | RGEN | Hunt Anthony | Dir | S - Sale+OE | $154.61 | -20.0K | 80.7K | -20% | -$3.09M |
| D | 2025-11-14 | 2025-11-13 | RGEN | Hunt Anthony | Dir | M - OptEx | $33.87 | +2,952 | 83.7K | +4% | +$100.0K |
| DT | 2025-11-13 | 2025-11-12 | RGEN | Hunt Anthony | Dir | M - OptEx | $33.87 | +25.0K | 125.7K | +25% | +$846.7K |
| DMT | 2025-11-13 | 2025-11-12 | RGEN | Hunt Anthony | Dir | S - Sale+OE | $156.88 | -25.0K | 101.2K | -20% | -$3.92M |
| 2025-10-06 | 2025-10-02 | RGEN | Loeillot Olivier | CEO, Dir | F - Tax | $145.23 | -1,248 | 42.9K | -3% | -$181.2K | |
| 2025-09-26 | 2025-09-25 | RGEN | Garland Jason K | CFO | F - Tax | $121.68 | -412 | 13.4K | -3% | -$50.1K | |
| DM | 2025-09-11 | 2025-09-10 | RGEN | Hunt Anthony | Dir | S - Sale+OE | $120.52 | -29.1K | 102.9K | -22% | -$3.51M |
| D | 2025-09-11 | 2025-09-10 | RGEN | Hunt Anthony | Dir | M - OptEx | $33.87 | +20.0K | 129.9K | +18% | +$677.4K |
| 2025-09-04 | 2025-09-03 | RGEN | Loeillot Olivier | CEO, Dir | F - Tax | $116.18 | -2,506 | 44.2K | -5% | -$291.1K | |
| D | 2025-09-04 | 2025-09-02 | RGEN | Hughes Violetta | CAO | A - Grant | $0.00 | +4,142 | 4,142 | New | $0 |
| I | 2025-08-12 | 2025-08-08 | RGEN | Madaus Martin D | Dir | P - Purchase | $112.13 | +1,800 | 1,800 | New | +$201.8K |
| D | 2025-05-21 | 2025-05-15 | RGEN | BARTHELEMY NICOLAS | Dir | A - Grant | $0.00 | +973 | 4,441 | +28% | $0 |
| D | 2025-05-19 | 2025-05-15 | RGEN | EGLINTON MANNER CARRIE | Dir | A - Grant | $0.00 | +973 | 4,466 | +28% | $0 |
| D | 2025-05-19 | 2025-05-15 | RGEN | DAWES KAREN A | Dir | A - Grant | $0.00 | +973 | 92.1K | +1% | $0 |
| D | 2025-05-19 | 2025-05-15 | RGEN | Konstantinov Konstantin | Dir | A - Grant | $0.00 | +973 | 2,894 | +51% | $0 |
| D | 2025-05-19 | 2025-05-15 | RGEN | Mhatre Rohin | Dir | A - Grant | $0.00 | +973 | 4,019 | +32% | $0 |
| D | 2025-05-19 | 2025-05-15 | RGEN | Madaus Martin D | Dir | A - Grant | $0.00 | +973 | 5,586 | +21% | $0 |
| D | 2025-05-19 | 2025-05-15 | RGEN | Pax Margaret | Dir | A - Grant | $0.00 | +973 | 2,016 | +93% | $0 |
| D | 2025-05-19 | 2025-05-15 | RGEN | MUIR GLENN P | Dir | A - Grant | $0.00 | +973 | 33.3K | +3% | $0 |
| MT | 2025-05-16 | 2025-05-15 | RGEN | Hunt Anthony | Dir | S - Sale | $123.71 | -26.4K | 110.1K | -19% | -$3.27M |
| 2025-04-02 | 2025-04-01 | RGEN | Bylund James | COO | F - Tax | $128.50 | -454 | 23.7K | -2% | -$58.3K | |
| 2025-03-20 | 2025-03-13 | RGEN | Bylund James | COO | A - Grant | $0.00 | +381 | 24.3K | +2% | $0 | |
| 2025-03-20 | 2025-03-13 | RGEN | Bylund James | COO | F - Tax | $142.44 | -175 | 24.2K | -0.7% | -$24.9K | |
| DMT | 2025-03-19 | 2025-03-17 | RGEN | Hunt Anthony | Dir | S - Sale+OE | $152.51 | -26.8K | 163.0K | -14% | -$4.08M |
| DMT | 2025-03-19 | 2025-03-17 | RGEN | Hunt Anthony | Dir | M - OptEx | $54.73 | +26.8K | 163.1K | +20% | +$1.46M |
| 2025-03-18 | 2025-03-17 | RGEN | Pax Margaret | Dir | P - Purchase | $150.69 | +250 | 1,043 | +32% | +$37.7K | |
| D | 2025-03-04 | 2025-03-03 | RGEN | Garland Jason K | CFO | A - Grant | $0.00 | +6,435 | 13.8K | +87% | $0 |
| D | 2025-03-04 | 2025-03-03 | RGEN | Loeillot Olivier | CEO, Dir | A - Grant | $0.00 | +14.5K | 46.7K | +45% | $0 |
| D | 2025-03-04 | 2025-03-03 | RGEN | Bylund James | COO | A - Grant | $0.00 | +6,435 | 25.2K | +34% | $0 |
| D | 2025-03-04 | 2025-03-03 | RGEN | Bylund James | COO | F - Tax | $155.38 | -1,239 | 24.0K | -5% | -$192.5K |
| 2025-03-04 | 2025-03-03 | RGEN | Hunt Anthony | Dir | F - Tax | $155.38 | -10.1K | 136.3K | -7% | -$1.58M | |
| D | 2025-03-04 | 2025-03-03 | RGEN | KURIYEL RALF | Senior VP, R, D | A - Grant | $0.00 | +4,826 | 16.4K | +42% | $0 |
| D | 2025-03-04 | 2025-03-03 | RGEN | KURIYEL RALF | Senior VP, R, D | F - Tax | $155.38 | -386 | 16.1K | -2% | -$60.0K |
| 2025-02-28 | 2025-02-27 | RGEN | KURIYEL RALF | Senior VP, R, D | F - Tax | $156.54 | -391 | 11.6K | -3% | -$61.2K | |
| 2025-02-28 | 2025-02-27 | RGEN | Loeillot Olivier | CEO, Dir | F - Tax | $156.54 | -343 | 32.2K | -1% | -$53.7K | |
| 2025-02-28 | 2025-02-27 | RGEN | Garland Jason K | CFO | F - Tax | $156.54 | -316 | 7,360 | -4% | -$49.5K | |
| 2025-02-28 | 2025-02-27 | RGEN | Hunt Anthony | Dir | F - Tax | $156.54 | -2,825 | 146.4K | -2% | -$442.2K | |
| 2025-02-28 | 2025-02-27 | RGEN | Bylund James | COO | F - Tax | $156.54 | -1,285 | 18.8K | -6% | -$201.2K | |
| 2025-02-25 | 2025-02-24 | RGEN | Hunt Anthony | Dir | F - Tax | $164.74 | -2,380 | 149.3K | -2% | -$392.1K | |
| 2025-02-25 | 2025-02-24 | RGEN | KURIYEL RALF | Senior VP, R, D | F - Tax | $164.74 | -275 | 12.0K | -2% | -$45.3K | |
| 2025-02-25 | 2025-02-24 | RGEN | Bylund James | COO | F - Tax | $164.74 | -543 | 20.0K | -3% | -$89.5K | |
| D | 2024-12-05 | 2024-12-05 | RGEN | Hunt Anthony | Dir | M - OptEx | $33.87 | +11.8K | 151.6K | +8% | +$399.9K |
| D | 2024-11-22 | 2024-11-21 | RGEN | Hunt Anthony | Dir | S - Sale+OE | $139.67 | -24.2K | 139.8K | -15% | -$3.39M |
| D | 2024-11-22 | 2024-11-21 | RGEN | Hunt Anthony | Dir | M - OptEx | $33.87 | +24.2K | 164.1K | +17% | +$821.2K |
| 2024-11-21 | 2024-11-20 | RGEN | Garland Jason K | CFO | F - Tax | $123.41 | -367 | 7,676 | -5% | -$45.3K | |
| 2024-11-21 | 2024-11-20 | RGEN | Loeillot Olivier | CEO, Dir | F - Tax | $123.41 | -861 | 32.6K | -3% | -$106.3K | |
| D | 2024-11-20 | 2024-11-19 | RGEN | MUIR GLENN P | Dir | M - OptEx | $36.29 | +19.0K | 32.3K | +143% | +$689.5K |
| DMT | 2024-09-12 | 2024-09-10 | RGEN | Hunt Anthony | Dir | S - Sale+OE | $145.37 | -22.2K | 160.5K | -12% | -$3.23M |
| DT | 2024-09-12 | 2024-09-10 | RGEN | Hunt Anthony | Dir | M - OptEx | $33.87 | +10.0K | 162.0K | +7% | +$338.7K |
| D | 2024-09-04 | 2024-09-03 | RGEN | Hunt Anthony | Dir | D - Sale to Iss | $0.00 | -13.1K | 152.0K | -8% | $0 |
| D | 2024-09-04 | 2024-09-03 | RGEN | Loeillot Olivier | CEO, Dir | A - Grant | $0.00 | +17.6K | 33.4K | +112% | $0 |
| DM | 2024-08-05 | 2024-08-02 | RGEN | KURIYEL RALF | Senior VP, R, D | S - Sale+OE | $159.35 | -7,148 | 12.3K | -37% | -$1.14M |
| D | 2024-08-05 | 2024-08-02 | RGEN | KURIYEL RALF | Senior VP, R, D | M - OptEx | $86.10 | +175 | 12.5K | +1% | +$15.1K |
| D | 2024-08-01 | 2024-08-01 | RGEN | MUIR GLENN P | Dir | M - OptEx | $36.29 | +5,000 | 13.3K | +60% | +$181.4K |
| 2024-08-01 | 2024-08-01 | RGEN | KURIYEL RALF | Senior VP, R, D | S - Sale | $165.67 | -4,465 | 19.3K | -19% | -$739.7K | |
| 2024-06-14 | 2024-06-14 | RGEN | BARTHELEMY NICOLAS | Dir | P - Purchase | $125.45 | +1,200 | 4,668 | +35% | +$150.5K | |
| M | 2024-06-14 | 2024-06-14 | RGEN | Madaus Martin D | Dir | P - Purchase | $124.94 | +1,615 | 4,613 | +54% | +$201.8K |
| D | 2024-06-14 | 2024-06-14 | RGEN | DAWES KAREN A | Dir | M - OptEx | $67.71 | +2,953 | 88.2K | +3% | +$199.9K |
| 2024-06-14 | 2024-06-14 | RGEN | Hunt Anthony | CEO | P - Purchase | $124.08 | +2,000 | 165.2K | +1% | +$248.2K |
Purchase Sale Sale after option exercise All abbreviations