REPLIGEN CORP (RGEN) — Insider Trading
Insider trading activity for REPLIGEN CORP sourced from SEC EDGAR Form 4 filings.
Overview
- Total insider trades: 48
- Last trade date: Sep 28, 2026
- Ticker: RGEN
Top Insiders
- Madaus Martin D — 2 trades, buy: $0, sell: $0
- Bylund James (Chief Operating Officer) — 2 trades, buy: $0, sell: $0
- EGLINTON MANNER CARRIE — 2 trades, buy: $0, sell: $0
- KURIYEL RALF (Senior VP, R&D) — 2 trades, buy: $0, sell: $0
- Konstantinov Konstantin — 2 trades, buy: $0, sell: $0
Recent Trades
| Date | Insider | Ticker / Company | Type | Shares | Value |
|---|---|---|---|---|---|
| Sep 25, 2026 | Garland Jason K | RGEN REPLIGEN CORP | OTHER | 421 | $80K |
| Sep 24, 2026 | Loeillot Olivier | RGEN REPLIGEN CORP | OTHER | 4,542 | N/A |
| Sep 24, 2026 | Loeillot Olivier | RGEN REPLIGEN CORP | OTHER | 8,404 | N/A |
| Sep 24, 2026 | Loeillot Olivier | RGEN REPLIGEN CORP | SELL | 4,542 | $863K |
| Sep 24, 2026 | Loeillot Olivier | RGEN REPLIGEN CORP | OTHER | 4,542 | $706K |
| Sep 24, 2026 | Loeillot Olivier | RGEN REPLIGEN CORP | SELL | 8,404 | $1.6M |
| Sep 24, 2026 | Loeillot Olivier | RGEN REPLIGEN CORP | OTHER | 8,404 | $1.3M |
| Sep 24, 2026 | Loeillot Olivier | RRGEN REPLIGEN CORP | BUY | 12,946 | $2.0M |
| Sep 24, 2026 | Loeillot Olivier | RRGEN REPLIGEN CORP | SELL | 12,946 | $2.5M |
| Sep 21, 2026 | Loeillot Olivier | RGEN REPLIGEN CORP | OTHER | 5,426 | N/A |
| Sep 21, 2026 | Loeillot Olivier | RGEN REPLIGEN CORP | SELL | 5,426 | $977K |
| Sep 21, 2026 | Loeillot Olivier | RGEN REPLIGEN CORP | OTHER | 5,426 | $769K |
| Sep 4, 2026 | Loeillot Olivier | RRGEN REPLIGEN CORP | SELL | 3,035 | $504K |
| Sep 4, 2026 | Loeillot Olivier | RRGEN REPLIGEN CORP | SELL | 3,035 | $504K |
| Aug 20, 2026 | Loeillot Olivier | RGEN REPLIGEN CORP | OTHER | 5,426 | N/A |
| Aug 20, 2026 | Loeillot Olivier | RGEN REPLIGEN CORP | OTHER | 5,426 | $769K |
| Aug 20, 2026 | Loeillot Olivier | RRGEN RRGEN | SELL | 5,426 | $977K |
| Aug 20, 2026 | Loeillot Olivier | RRGEN RRGEN | BUY | 5,426 | $769K |
| Aug 20, 2026 | Loeillot Olivier | RRGEN RRGEN | SELL | 5,426 | $977K |
| Jun 25, 2026 | Garland Jason K | RGEN REPLIGEN CORP | SELL | 733 | $106K |