RGEN Insider Trading

Repligen Corp · full profile →Last filing Jun 25, 2026
Net Selling · 180d
Open-Market Buys (180d)
$0
0 insiders
Open-Market Sells (180d)
$643K
2 insiders
Net Insider Flow
-$643K
open market, 180d
Reporting Insiders
2
2 P/S transactions
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Build on these Form 4 transactions

The public view is the crawlable proof. The same sourced dataset is available through REST and MCP for agents, research scripts, and back-office tools.

Recent Form 4 Transactions

100 shown
DateInsiderRoleActionSharesPriceValue
Jun 25, 2026Garland Jason KCFOSell(S)733$145.00$106K
May 14, 2026Barthelemy NicolasDirectorGrant(A)995$0
May 14, 2026Barthelemy NicolasDirectorGrant(A)2K$0
May 14, 2026Muir Glenn PDirectorGrant(A)995$0
May 14, 2026Muir Glenn PDirectorGrant(A)2K$0
May 14, 2026Madaus Martin DDirectorGrant(A)995$0
May 14, 2026Madaus Martin DDirectorGrant(A)2K$0
May 14, 2026Dawes Karen ADirectorGrant(A)995$0
May 14, 2026Dawes Karen ADirectorGrant(A)2K$0
May 14, 2026Eglinton Manner CarrieDirectorGrant(A)995$0
May 14, 2026Eglinton Manner CarrieDirectorGrant(A)2K$0
May 14, 2026Konstantinov KonstantinDirectorGrant(A)995$0
May 14, 2026Konstantinov KonstantinDirectorGrant(A)2K$0
May 14, 2026Mhatre RohinDirectorGrant(A)995$0
May 14, 2026Mhatre RohinDirectorGrant(A)2K$0
May 14, 2026Pax MargaretDirectorGrant(A)995$0
May 14, 2026Pax MargaretDirectorGrant(A)2K$0
May 7, 2026Douglass Brian RobbCHIEF PRODUCT OFFICERTax withholding(F)334$126.43$42K
May 7, 2026Muir Glenn PDirectorOption exercise(M)2K$38.76$94K
May 7, 2026Muir Glenn PDirectorOption exercise(M)2K$0
Apr 21, 2026Loeillot OlivierChief Executive Officer, DirectorSell(S)4K$140.00$536K
Mar 5, 2026Garland Jason KCFOGrant(A)8K$0
Mar 5, 2026Garland Jason KCFOGrant(A)8K$0
Mar 5, 2026Bylund JamesChief Operating OfficerGrant(A)8K$0
Mar 5, 2026Bylund JamesChief Operating OfficerGrant(A)8K$0
Mar 5, 2026Loeillot OlivierChief Executive OfficerGrant(A)24K$0
Mar 5, 2026Loeillot OlivierChief Executive OfficerGrant(A)26K$0
Mar 5, 2026Kuriyel RalfSenior VP, R&DGrant(A)5K$0
Mar 5, 2026Kuriyel RalfSenior VP, R&DGrant(A)6K$0
Mar 4, 2026Kuriyel RalfSenior VP, R&DGrant(A)125$0
Mar 4, 2026Kuriyel RalfSenior VP, R&DTax withholding(F)42$125.84$5K
Mar 4, 2026Bylund JamesChief Operating OfficerGrant(A)125$0
Mar 4, 2026Bylund JamesChief Operating OfficerTax withholding(F)62$125.84$8K
Mar 2, 2026Douglass Brian RobbCHIEF PRODUCT OFFICERTax withholding(F)221$124.97$28K
Mar 2, 2026Kuriyel RalfSenior VP, R&DTax withholding(F)923$124.97$115K
Mar 2, 2026Garland Jason KCFOTax withholding(F)715$124.97$89K
Mar 2, 2026Hunt AnthonyDirectorTax withholding(F)10K$124.97$1.2M
Mar 2, 2026Loeillot OlivierChief Executive Officer, DirectorTax withholding(F)2K$124.97$201K
Mar 2, 2026Bylund JamesChief Operating OfficerTax withholding(F)2K$124.97$304K
Feb 27, 2026Kuriyel RalfSenior VP, R&DTax withholding(F)444$128.73$57K
Feb 27, 2026Garland Jason KCFOTax withholding(F)327$128.73$42K
Feb 27, 2026Loeillot OlivierChief Executive Officer, DirectorTax withholding(F)344$128.73$44K
Feb 27, 2026Bylund JamesChief Operating OfficerTax withholding(F)1K$128.73$190K
Dec 31, 2025Douglass Brian RobbCHIEF PRODUCT OFFICERGrant(A)2K$0
Dec 31, 2025Douglass Brian RobbCHIEF PRODUCT OFFICERGrant(A)2K$0
Dec 17, 2025Dawes Karen ADirectorSell(S)275$161.00$44K
Dec 16, 2025Muir Glenn PDirectorOption exercise(M)3K$26.12$88K
Dec 16, 2025Muir Glenn PDirectorOption exercise(M)3K$0
Dec 4, 2025Hunt AnthonyDirectorOther(J)2K
Nov 25, 2025Loeillot OlivierChief Executive Officer, DirectorSell(S)7K$170.00$1.2M
Nov 18, 2025Bylund JamesChief Operating OfficerSell(S)2K$151.21$331K
Nov 13, 2025Hunt AnthonyDirectorSell(S)2K$151.01$269K
Nov 13, 2025Hunt AnthonyDirectorSell(S)2K$152.17$320K
Nov 13, 2025Hunt AnthonyDirectorSell(S)3K$153.14$448K
Nov 13, 2025Hunt AnthonyDirectorSell(S)3K$154.32$386K
Nov 13, 2025Hunt AnthonyDirectorSell(S)3K$155.45$466K
Nov 13, 2025Hunt AnthonyDirectorSell(S)6K$156.22$896K
Nov 13, 2025Hunt AnthonyDirectorSell(S)2K$157.11$307K
Nov 13, 2025Hunt AnthonyDirectorOption exercise(M)3K$33.87$100K
Nov 13, 2025Hunt AnthonyDirectorOption exercise(M)3K$0
Nov 12, 2025Hunt AnthonyDirectorOption exercise(M)25K$33.87$847K
Nov 12, 2025Hunt AnthonyDirectorSell(S)4K$154.92$580K
Nov 12, 2025Hunt AnthonyDirectorSell(S)5K$155.85$739K
Nov 12, 2025Hunt AnthonyDirectorSell(S)5K$156.65$777K
Nov 12, 2025Hunt AnthonyDirectorSell(S)464$158.51$74K
Nov 12, 2025Hunt AnthonyDirectorSell(S)11K$158.01$1.8M
Nov 12, 2025Hunt AnthonyDirectorOption exercise(M)25K$0
Oct 2, 2025Loeillot OlivierChief Executive Officer, DirectorTax withholding(F)1K$145.23$181K
Sep 25, 2025Garland Jason KCFOTax withholding(F)412$121.68$50K
Sep 10, 2025Hunt AnthonyDirectorSell(S)15K$120.19$1.8M
Sep 10, 2025Hunt AnthonyDirectorSell(S)1K$118.32$131K
Sep 10, 2025Hunt AnthonyDirectorSell(S)96$116.34$11K
Sep 10, 2025Hunt AnthonyDirectorOption exercise(M)20K$33.87$677K
Sep 10, 2025Hunt AnthonyDirectorSell(S)2K$122.23$266K
Sep 10, 2025Hunt AnthonyDirectorSell(S)3K$119.64$390K
Sep 10, 2025Hunt AnthonyDirectorSell(S)8K$121.42$921K
Sep 10, 2025Hunt AnthonyDirectorOption exercise(M)20K$0
Sep 3, 2025Loeillot OlivierChief Executive Officer, DirectorTax withholding(F)3K$116.18$291K
Sep 2, 2025Hughes ViolettaCHIEF ACCOUNTING OFFICERGrant(A)4K$0
Sep 2, 2025Hughes ViolettaCHIEF ACCOUNTING OFFICERGrant(A)4K$0
Aug 8, 2025Madaus Martin DDirectorBuy(P)2K$112.13$202K
May 15, 2025Pax MargaretDirectorGrant(A)2K$0
May 15, 2025Madaus Martin DDirectorGrant(A)973$0
May 15, 2025Madaus Martin DDirectorGrant(A)2K$0
May 15, 2025Dawes Karen ADirectorGrant(A)973$0
May 15, 2025Dawes Karen ADirectorGrant(A)2K$0
May 15, 2025Hunt AnthonyDirectorSell(S)2K$122.66$251K
May 15, 2025Hunt AnthonyDirectorSell(S)18K$123.57$2.2M
May 15, 2025Hunt AnthonyDirectorSell(S)7$127.00$889
May 15, 2025Hunt AnthonyDirectorSell(S)268$125.20$34K
May 15, 2025Hunt AnthonyDirectorSell(S)7K$124.34$812K
May 15, 2025Mhatre RohinDirectorGrant(A)973$0
May 15, 2025Mhatre RohinDirectorGrant(A)2K$0
May 15, 2025Pax MargaretDirectorGrant(A)973$0
May 15, 2025Eglinton Manner CarrieDirectorGrant(A)973$0
May 15, 2025Eglinton Manner CarrieDirectorGrant(A)2K$0
May 15, 2025Muir Glenn PDirectorGrant(A)973$0
May 15, 2025Muir Glenn PDirectorGrant(A)2K$0
May 15, 2025Konstantinov KonstantinDirectorGrant(A)973$0
May 15, 2025Konstantinov KonstantinDirectorGrant(A)2K$0

Data Source

Insider transactions sourced from SEC EDGAR Form 4 filings, normalized within minutes of acceptance. "Buy"/"Sell" mark open-market transactions (codes P/S), the tradeable signal. Awards, option exercises and tax-withholding are shown with their raw code. All data is public domain.

Coverage: Form 4 filings indexed 2021-03-292026-07-11. Earlier history is backfilling; this window widens as it deepens.

Programmatic access via the Arkolith API & MCP server (insider.transactions, insider.company).