🕵️ Repligen Corp ($RGEN)
SEC insider & ownership activity, last 12 months · CIK 730272 · every row links its SEC filing
Over the last 12 months insiders sold $10.8M with no open-market buying against it. Hunt Anthony sold $7.0M (Nov). No red-flag 8-Ks in the window.
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Monthly net open-market insider flow, last 12 months (up = net buying)
Insider flow
0 buyers, $0 (0 lots) · 5 sellers, $10.8M (20 lots)
| Insider | Buys | Bought | Sells | Sold | Last |
|---|---|---|---|---|---|
| Hunt Anthony | 0 | – | 12 | $7.0M | Nov 13, 2025 |
| Loeillot Olivier | 0 | – | 4 | $3.2M | Sep 4, 2026 |
| Bylund James | 0 | – | 1 | $331K | Nov 18, 2025 |
| Jason K. Garland | 0 | – | 2 | $186K | Jul 16, 2026 |
| Karen A. Dawes | 0 | – | 1 | $44K | Dec 17, 2025 |
5%+ holders
| Holder | Stake | Class | Schedule | Event | |
|---|---|---|---|---|---|
| BlackRock, Inc. | 9.3% | 13G | Apr 24, 2025 | filing ↗ | |
| FMR LLC | 5.1% | 13G | Feb 5, 2026 | filing ↗ | |
| Abigail P. Johnson | 5.1% | 13G | Feb 5, 2026 | filing ↗ | |
| Vanguard Capital Management | 5.0% | 13G | Jul 31, 2026 | filing ↗ |
Planned insider sales (Form 144)
| Seller | Planned | Approx. sale date | |
|---|---|---|---|
| Loeillot Olivier | $504K | Sep 4, 2026 | filing ↗ |
| Loeillot Olivier | $977K | Aug 20, 2026 | filing ↗ |
| Jason K. Garland | $80K | Jul 16, 2026 | filing ↗ |
| Jason K. Garland | $106K | Jun 25, 2026 | filing ↗ |
| Loeillot Olivier | $536K | Apr 21, 2026 | filing ↗ |
| Karen A. Dawes | $44K | Dec 17, 2025 | filing ↗ |
| Loeillot Olivier | $1.2M | Nov 25, 2025 | filing ↗ |
| Bylund James | $331K | Nov 18, 2025 | filing ↗ |
| Hunt Anthony | $3.1M | Nov 13, 2025 | filing ↗ |
| Hunt Anthony | $3.9M | Nov 12, 2025 | filing ↗ |
Material events (8-K)
| Item | Event date | |
|---|---|---|
| Officer/director changes (5.02) | Sep 10, 2026 | filing ↗ |
| Other events (8.01) | Sep 3, 2026 | filing ↗ |
| Earnings (2.02) | Jul 28, 2026 | filing ↗ |
| Financial Statements and Exhibits (9.01) | Jul 28, 2026 | filing ↗ |
| Material agreement (1.01) | Jul 21, 2026 | filing ↗ |
| Earnings (2.02) | Jul 21, 2026 | filing ↗ |
| Reg FD disclosure (7.01) | Jul 21, 2026 | filing ↗ |
| Other events (8.01) | Jul 21, 2026 | filing ↗ |
| Financial Statements and Exhibits (9.01) | Jul 21, 2026 | filing ↗ |
| Shareholder vote (5.07) | May 14, 2026 | filing ↗ |
| Earnings (2.02) | May 5, 2026 | filing ↗ |
| Financial Statements and Exhibits (9.01) | May 5, 2026 | filing ↗ |
| Earnings (2.02) | Feb 24, 2026 | filing ↗ |
| Financial Statements and Exhibits (9.01) | Feb 24, 2026 | filing ↗ |
| Officer/director changes (5.02) | Jan 6, 2026 | filing ↗ |
| Reg FD disclosure (7.01) | Jan 6, 2026 | filing ↗ |
| Financial Statements and Exhibits (9.01) | Jan 6, 2026 | filing ↗ |
| Earnings (2.02) | Oct 28, 2025 | filing ↗ |
| Financial Statements and Exhibits (9.01) | Oct 28, 2025 | filing ↗ |