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Insider Trading Tracker

RGEN

REPLIGEN CORP
Buys$240K2 txns
Sells$27.8M41 txns
Net-$27.5M

Insiders

InsiderRoleHoldingsBuy $Sell $Net $
Anthony HuntUnknown89,062$24,487,324-$24,487,324
Olivier LoeillotChief Executive Officer, Director54,246$2,710,130-$2,710,130
James BylundUnknown25,423$331,301-$331,301
Martin D MadausUnknown6,581$201,830$201,830
Jason K GarlandUnknown18,829$185,785-$185,785
Karen A DawesUnknown92,816$44,275-$44,275
Margaret PaxUnknown3,011$37,672$37,672

Transaction History

DateInsiderSideSharesPriceValueHoldings After% of Position
2026-08-20Olivier LoeillotSELL5,426$180.00$976,68054,2469%
2026-07-16Jason K GarlandSELL530$150.00$79,50018,8293%
2026-06-25Jason K GarlandSELL733$145.00$106,28519,3594%
2026-04-21Olivier LoeillotSELL3,832$140.00$536,48054,2467%
2025-12-17Karen A DawesSELL275$161.00$44,27591,8210%
2025-11-25Olivier LoeillotSELL7,041$170.00$1,196,97035,89816%
2025-11-18James BylundSELL2,191$151.21$331,30121,5209%
2025-11-13Anthony HuntSELL1,784$151.01$269,40298,9592%
2025-11-13Anthony HuntSELL2,100$152.17$319,55796,8592%
2025-11-13Anthony HuntSELL2,923$153.14$447,62893,9363%
2025-11-13Anthony HuntSELL2,500$154.32$385,80091,4363%
2025-11-13Anthony HuntSELL3,000$155.45$466,35088,4363%
2025-11-13Anthony HuntSELL5,737$156.22$896,23482,6996%
2025-11-13Anthony HuntSELL1,956$157.11$307,30780,7432%
2025-11-12Anthony HuntSELL3,741$154.92$579,556122,0023%
2025-11-12Anthony HuntSELL4,740$155.85$738,729117,2624%
2025-11-12Anthony HuntSELL4,959$156.65$776,827112,3034%
2025-11-12Anthony HuntSELL11,096$158.01$1,753,279101,20710%
2025-11-12Anthony HuntSELL464$158.51$73,549100,7430%
2025-09-10Anthony HuntSELL96$116.34$11,169129,7580%
2025-09-10Anthony HuntSELL1,108$118.32$131,099128,6501%
2025-09-10Anthony HuntSELL3,262$119.64$390,266125,3883%
2025-09-10Anthony HuntSELL14,882$120.19$1,788,668110,50612%
2025-09-10Anthony HuntSELL7,584$121.42$920,849102,9227%
2025-09-10Anthony HuntSELL2,179$122.23$266,339100,7432%
2025-08-08Martin D MadausBUY1,800$112.13$201,8301,800
2025-05-15Anthony HuntSELL2,043$122.66$250,594134,2582%
2025-05-15Anthony HuntSELL17,596$123.57$2,174,338116,66213%
2025-05-15Anthony HuntSELL6,533$124.34$812,313110,1296%
2025-05-15Anthony HuntSELL268$125.20$33,554109,8610%
2025-05-15Anthony HuntSELL7$127.00$889109,8540%
2025-03-17Anthony HuntSELL60$148.05$8,883162,9970%
2025-03-17Anthony HuntSELL100$150.38$15,038162,8970%
2025-03-17Anthony HuntSELL2,518$151.09$380,445160,3792%
2025-03-17Anthony HuntSELL6,176$151.96$938,505154,2034%
2025-03-17Anthony HuntSELL15,619$152.82$2,386,896138,58410%
2025-03-17Anthony HuntSELL2,283$153.70$350,897136,3012%
2025-03-17Margaret PaxBUY250$150.69$37,6721,04332%
2024-11-21Anthony HuntSELL24,246$139.67$3,386,439139,84015%
2024-09-10Anthony HuntSELL1,495$143.77$214,936160,5361%
2024-09-10Anthony HuntSELL9,369$144.88$1,357,381151,1676%
2024-09-10Anthony HuntSELL10,723$145.95$1,565,022140,4447%
2024-09-10Anthony HuntSELL604$146.67$88,589139,8400%