RGEN
Repligen CorpCompany with tickers: RGEN
Market Cap
$7.81B
Shares Outstanding
56,407,740
CIK
730272
CUSIP
759916109
13F Activity (30d)
20 filings
10 filers
Website
Visit website
Investor Relations
Investor relations
Trades by corporate insiders — officers, directors and holders of more than 10% of the shares — disclosed to the SEC on Forms 3, 4 and 5. Form 4 must be filed within two business days of the trade.
Insider Sentiment Score
Peer-relative 0–100 rank of how aggressively insiders accumulated over the trailing 90 days. See the full ranking.
51
Net buyers
-1
Net shares bought
-0.01%
Net buy value
-$536,480
| Date | Insider | Role | Type | Shares |
|---|---|---|---|---|
| 2026-05-14 | Pax Margaret |
Director | Award | 995 |
| 2026-05-14 | DAWES KAREN A |
Director | Award | 995 |
| 2026-05-14 | DAWES KAREN A |
Director | Award | 2,239 |
| 2026-05-14 | Mhatre Rohin |
Director | Award | 995 |
| 2026-05-14 | Konstantinov Konstantin |
Director | Award | 995 |
| 2026-05-14 | BARTHELEMY NICOLAS |
Director | Award | 995 |
| 2026-05-14 | Mhatre Rohin |
Director | Award | 2,239 |
| 2026-05-14 | EGLINTON MANNER CARRIE |
Director, President & CEO | Award | 995 |
| 2026-05-14 | EGLINTON MANNER CARRIE |
Director, President & CEO | Award | 2,239 |
| 2026-05-14 | MUIR GLENN P |
Director | Award | 2,239 |
| 2026-05-14 | Madaus Martin D |
Director | Award | 995 |
| 2026-05-14 | Pax Margaret |
Director | Award | 2,239 |
| 2026-05-14 | BARTHELEMY NICOLAS |
Director | Award | 2,239 |
| 2026-05-14 | Konstantinov Konstantin |
Director | Award | 2,239 |
| 2026-05-14 | Madaus Martin D |
Director | Award | 2,239 |
| 2026-05-14 | MUIR GLENN P |
Director | Award | 995 |
| 2026-05-07 | MUIR GLENN P |
Director | Convert | 2,434 |
| 2026-05-07 | Douglass Brian Robb |
CHIEF PRODUCT OFFICER | Tax | 334 |
| 2026-05-07 | MUIR GLENN P |
Director | Convert | 2,434 |
| 2026-04-21 | Loeillot Olivier |
Chief Executive Officer | Sell | 3,832 |
| 2026-03-05 | KURIYEL RALF |
Senior VP, R&D | Award | 5,669 |
| 2026-03-05 | Loeillot Olivier |
Chief Executive Officer | Award | 25,890 |
| 2026-03-05 | Garland Jason K |
EVP, Chief Financial Officer | Award | 7,751 |
| 2026-03-05 | Bylund James |
Chief Operating Officer | Award | 7,751 |
| 2026-03-05 | Loeillot Olivier |
Chief Executive Officer | Award | 24,134 |
| 2026-03-05 | Garland Jason K |
EVP, Chief Financial Officer | Award | 8,315 |
| 2026-03-05 | KURIYEL RALF |
Senior VP, R&D | Award | 5,284 |
| 2026-03-05 | Bylund James |
Chief Operating Officer | Award | 8,315 |
| 2026-03-04 | Bylund James |
Chief Operating Officer | Award | 125 |
| 2026-03-04 | KURIYEL RALF |
Senior VP, R&D | Award | 125 |
| 2026-03-04 | Bylund James |
Chief Operating Officer | Tax | 62 |
| 2026-03-04 | KURIYEL RALF |
Senior VP, R&D | Tax | 42 |
| 2026-03-02 | Loeillot Olivier |
Chief Executive Officer | Tax | 1,610 |
| 2026-03-02 | Hunt Anthony |
Director | Tax | 9,897 |
| 2026-03-02 | KURIYEL RALF |
Senior VP, R&D | Tax | 923 |
| 2026-03-02 | Garland Jason K |
EVP, Chief Financial Officer | Tax | 715 |
| 2026-03-02 | Bylund James |
Chief Operating Officer | Tax | 2,433 |
| 2026-03-02 | Douglass Brian Robb |
CHIEF PRODUCT OFFICER | Tax | 221 |
| 2026-02-27 | Loeillot Olivier |
Chief Executive Officer | Tax | 344 |
| 2026-02-27 | Garland Jason K |
EVP, Chief Financial Officer | Tax | 327 |
| 2026-02-27 | KURIYEL RALF |
Senior VP, R&D | Tax | 444 |
| 2026-02-27 | Bylund James |
Chief Operating Officer | Tax | 1,478 |
| 2025-12-31 | Douglass Brian Robb |
CHIEF PRODUCT OFFICER | Award | 2,143 |
| 2025-12-31 | Douglass Brian Robb |
CHIEF PRODUCT OFFICER | Award | 2,288 |
| 2025-12-17 | DAWES KAREN A |
Director | Sell | 275 |
| 2025-12-16 | MUIR GLENN P |
Director | Convert | 3,366 |
| 2025-12-16 | MUIR GLENN P |
Director | Convert | 3,366 |
| 2025-12-04 | Hunt Anthony |
Director | Other | 2,000 |
| 2025-11-25 | Loeillot Olivier |
Chief Executive Officer | Sell | 7,041 |
| 2025-11-18 | Bylund James |
Chief Operating Officer | Sell | 2,191 |
Showing 1–50 of 753 transactions