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REPLIGEN CORP
RGENNasdaqCIK: 0000730272
Recent Form 4 activity at REPLIGEN CORP (RGEN) spans 39 filings across 15 insiders (1 buying and 3 selling). Purchases total $201.8K against $12.2M in sales — heavily weighted toward selling, for net sales of $12.0M. Loeillot Olivier (Chief Executive Officer, Director) is the most active by dollar volume, and the single largest transaction was $6.5M by Loeillot Olivier. All figures are drawn from official SEC Form 3, 4, and 5 disclosures and update as new filings arrive.
Total Volume
$34.2M
Purchases
$201.8K
Sales
$12.2M
Unique Insiders
15
Recent Insider Trades
39 loaded
| Sep 28 | RGEN REPLIGEN CORP | Garland Jason K | CFO | Tax withheld | $79.9K |
| Sep 25 | RGEN REPLIGEN CORP | Loeillot Olivier | Chief Executive Officer, Director | Sell | $2.5M |
| Sep 22 | RGEN REPLIGEN CORP | Loeillot Olivier | Chief Executive Officer, Director | Sell | $976.7K |
| Sep 8 | RGEN REPLIGEN CORP | Loeillot Olivier | Chief Executive Officer, Director | Sell | $503.5K |
| Aug 21 | RGEN REPLIGEN CORP | Loeillot Olivier | Chief Executive Officer, Director | Sell | $976.7K |
| Jul 17 | RGEN REPLIGEN CORP | Garland Jason K | Insider | Sell | $79.5K |
| Jun 26 | RGEN REPLIGEN CORP | Garland Jason K | Insider | Sell | $106.3K |
| May 18 | RGEN REPLIGEN CORP | Mhatre Rohin | Insider | Grant | $231.5K |
| May 18 | RGEN REPLIGEN CORP | EGLINTON MANNER CARRIE | Insider | Grant | $231.5K |
| May 18 | RGEN REPLIGEN CORP | Pax Margaret | Insider | Grant | $231.5K |
| May 18 | RGEN REPLIGEN CORP | Madaus Martin D | Insider | Grant | $231.5K |
| May 18 | RGEN REPLIGEN CORP | BARTHELEMY NICOLAS | Insider | Grant | $231.5K |
| May 18 | RGEN REPLIGEN CORP | MUIR GLENN P | Insider | Grant | $231.5K |
| May 18 | RGEN REPLIGEN CORP | DAWES KAREN A | Insider | Grant | $231.5K |
| May 18 | RGEN REPLIGEN CORP | Konstantinov Konstantin | Insider | Grant | $231.5K |
| May 8 | RGEN REPLIGEN CORP | MUIR GLENN P | Insider | Exercise | $188.7K |
| May 8 | RGEN REPLIGEN CORP | Douglass Brian Robb | Insider | Tax withheld | $42.2K |
| Apr 22 | RGEN REPLIGEN CORP | Loeillot Olivier | Insider | Sell | $536.5K |
| Mar 23 | RGEN REPLIGEN CORP | Loeillot Olivier | Insider | Grant | $3.7M |
| Mar 23 | RGEN REPLIGEN CORP | KURIYEL RALF | Insider | Grant | $804.5K |
| Mar 23 | RGEN REPLIGEN CORP | Garland Jason K | Insider | Grant | $1.2M |
| Mar 23 | RGEN REPLIGEN CORP | Bylund James | Insider | Grant | $1.2M |
| Mar 5 | RGEN REPLIGEN CORP | KURIYEL RALF | Insider | Grant | $5.3K |
| Mar 5 | RGEN REPLIGEN CORP | Bylund James | Insider | Grant | $7.8K |
| Mar 3 | RGEN REPLIGEN CORP | Hunt Anthony | Insider | Tax withheld | $1.2M |
| Mar 3 | RGEN REPLIGEN CORP | Douglass Brian Robb | Insider | Tax withheld | $27.6K |
| Mar 3 | RGEN REPLIGEN CORP | KURIYEL RALF | Insider | Tax withheld | $172.5K |
| Mar 3 | RGEN REPLIGEN CORP | Bylund James | Insider | Tax withheld | $494.3K |
| Mar 3 | RGEN REPLIGEN CORP | Loeillot Olivier | Insider | Tax withheld | $245.5K |
| Mar 3 | RGEN REPLIGEN CORP | Garland Jason K | Insider | Tax withheld | $131.4K |
| Jan 12 | RGEN REPLIGEN CORP | Douglass Brian Robb | Insider | Grant | $351.2K |
| Nov 14 | RGEN REPLIGEN CORP | Hunt Anthony | Insider | Sell | $3.1M |
| Oct 6 | RGEN REPLIGEN CORP | Loeillot Olivier | Insider | Tax withheld | $181.2K |
| Sep 26 | RGEN REPLIGEN CORP | Garland Jason K | Insider | Tax withheld | $50.1K |
| Sep 11 | RGEN REPLIGEN CORP | Hunt Anthony | Insider | Sell | $3.5M |
| Sep 4 | RGEN REPLIGEN CORP | Loeillot Olivier | Insider | Tax withheld | $291.1K |
| Sep 4 | RGEN REPLIGEN CORP | Hughes Violetta | Insider | Grant | $472.4K |
| Sep 4 | RGEN REPLIGEN CORP | Hughes Violetta | Insider | Other | $0 |
| Aug 12 | RGEN REPLIGEN CORP | Madaus Martin D | Insider | Buy | $201.8K |
39 filings