List of insiders holdings for REPLIGEN CORP:
- Shares directly owned by the insider.
- Shares indirectly owned by the insider.
- Total shares owned by the insider (sum of shares directly and indirectly owned).
- Total market value if available.
- Shares are not adjusted for stock split.
"Insiders might sell their shares for any number of reasons, but they buy them for only one: they think the price will rise"
- Peter Lynch
What is insider trading>>
- Peter Lynch
What is insider trading>>
| # | Insider Holder Name | Report Date Time | Shares Owned Directly Indirectly | Total Shares Owned | Filing |
| 1 | EDDLEMAN ROY T 10% Owner | 2025-02-13 11:20:10 | 2,705,689 0 | 2,705,689 | Form 13G |
| 2 | SCHIMMEL PAUL Director | 2007-06-18 17:01:47 | 670,106 0 | 670,106 | Form 4 |
| 3 | HERLIHY WALTER C PRESIDENT, CEO | 2015-05-14 12:45:14 | 262,430 0 | 262,430 | Form 4 |
| 4 | Lieber Jonathan I CFO | 2013-03-12 09:31:28 | 165,000 0 | 165,000 | Form 4 |
| 5 | MUEHL DANIEL W CFO | 2006-03-01 14:01:53 | 120,000 0 | 120,000 | Form 4 |
| 6 | WITT DANIEL P Senior Vice President | 2014-06-24 09:38:52 | 117,999 0 | 117,999 | Form 4 |
| 7 | Spurr Robert Chief Commercial. Officer | 2012-03-12 16:58:58 | 110,000 0 | 110,000 | Form 3 |
| 8 | RICH ALEXANDER Director | 2011-12-19 16:18:26 | 105,000 0 | 105,000 | Form 4 |
| 9 | Hall Michael Chief Medical Officer | 2012-03-12 16:53:39 | 105,000 0 | 105,000 | Form 3 |
| 10 | Harris Timothy Scott VP Corporate Development | 2006-03-01 14:01:40 | 100,000 0 | 100,000 | Form 4 |
| 11 | RUSCHE JAMES R SENIOR VICE PRESIDENT | 2017-02-14 19:45:23 | 95,816 0 | 95,816 | Form 5 |
| 12 | DAWES KAREN A Director | 2026-05-18 16:05:04 | 95,055 0 | 95,055 | Form 4 |
| 13 | Hunt Anthony Director | 2026-03-03 13:38:29 | 89,062 0 | 89,062 | Form 4 |
| 14 | Loeillot Olivier Chief Executive Officer | 2026-08-21 16:06:30 | 65,098 0 | 65,098 | Form 4 |
| 15 | COOPER GLENN L MD Director | 2019-06-19 19:04:13 | 59,709 0 | 59,709 | Form 4/A |
| 16 | Whitehouse Laura Vice President | 2007-05-29 15:57:21 | 50,000 0 | 50,000 | Form 4 |
| 17 | Benjamin Howard VP Business Development | 2017-12-18 17:59:33 | 45,042 0 | 45,042 | Form 4 |
| 18 | Goldberg Alfred Lewis Director | 2015-05-26 18:28:30 | 42,323 0 | 42,323 | Form 4 |
| 19 | MUIR GLENN P Director | 2026-05-18 16:05:04 | 42,290 0 | 42,290 | Form 4 |
| 20 | Snodgres Jon Chief Financial Officer | 2023-05-16 19:00:48 | 37,381 0 | 37,381 | Form 4 |
| 21 | Bylund James Chief Operating Officer | 2026-03-23 11:53:02 | 33,738 0 | 33,738 | Form 4 |
| 22 | Gebski Christine See Remarks | 2024-05-15 20:18:44 | 27,419 0 | 27,419 | Form 4 |
| 23 | KURIYEL RALF Senior VP, R&D | 2026-03-23 12:00:33 | 25,731 0 | 25,731 | Form 4 |
| 24 | DAY BARBARA BURNIM Former Vice President | 2006-01-27 17:05:56 | 24,500 0 | 24,500 | Form 4 |
| 25 | Henry Earl Webb Director | 2013-05-16 14:13:51 | 21,380 0 | 21,380 | Form 4 |
| 26 | LANDY HAL Vice President | 2007-06-20 16:39:54 | 20,000 0 | 20,000 | Form 4 |
| 27 | HENNESSEY ROBERT J Director | 2007-09-17 13:06:19 | 20,000 0 | 20,000 | Form 4 |
| 28 | Garland Jason K CFO | 2026-07-17 16:40:41 | 18,829 0 | 18,829 | Form 4 |
| 29 | Kelly William J Chief Accounting Officer | 2014-03-03 13:00:50 | 15,907 0 | 15,907 | Form 4 |
| 30 | Madaus Martin D Director | 2026-05-18 16:05:09 | 8,820 1,811 | 10,631 | Form 4 |
| 31 | GRIFFITH MICHAEL A Director | 2014-11-12 15:08:26 | 9,932 0 | 9,932 | Form 4 |
| 32 | Hughes Violetta CHIEF ACCOUNTING OFFICER | 2025-09-04 12:47:44 | 8,056 0 | 8,056 | Form 4 |
| 33 | Douglass Brian Robb CHIEF PRODUCT OFFICER | 2026-05-08 14:39:43 | 7,985 0 | 7,985 | Form 4 |
| 34 | EGLINTON MANNER CARRIE Director | 2026-05-18 16:05:07 | 7,700 0 | 7,700 | Form 4 |
| 35 | BARTHELEMY NICOLAS Director | 2026-05-18 16:05:02 | 7,675 0 | 7,675 | Form 4 |
| 36 | Mhatre Rohin Director | 2026-05-18 16:05:07 | 7,253 0 | 7,253 | Form 4 |
| 37 | Konstantinov Konstantin Director | 2026-05-18 16:05:08 | 6,128 0 | 6,128 | Form 4 |
| 38 | Pax Margaret Director | 2026-05-18 16:05:06 | 5,250 0 | 5,250 | Form 4 |
| 39 | RYAN THOMAS F JR Director | 2022-03-02 21:14:08 | 1,457 0 | 1,457 | Form 4 |
| 40 | Cox John Director | 2020-03-26 19:31:58 | 923 0 | 923 | Form 4 |
| 41 | BVF PARTNERS L P BIOTECHNOLOGY VALUE FUND L P BIOTECHNOLOGY VALUE FUND II LP BVF INVESTMENTS LLC LAMPERT MARK N BVF INC Indirect Beneficial Owner 10% Owner | 2012-02-10 16:59:45 | 0 0 | 0 | Form 13G |
| 42 | MILLER G WILLIAM Director | 2004-09-23 16:07:39 | 0 0 | 0 | Form 4 |