RGEN insider transaction filings

REPLIGEN CORP — 50 most recent Form 4 filings from SEC EDGAR, normalized by FilingPulse. Latest filing: 2026-08-21. Screen RGEN transaction legs live →

FiledFormInsiderReported transactionsSource
2026-08-214Loeillot Olivier — Chief Executive Officer, DirectorOption exercise (M): 5,426 @ $141.79 · Sale (S): 5,426 @ $180 · Option exercise (M): 5,426 (derivative) @ $0EDGAR
2026-07-174Garland Jason K — CFOSale (S): 530 @ $150EDGAR
2026-06-264Garland Jason K — CFOSale (S): 733 @ $145EDGAR
2026-05-184Pax Margaret — DirectorGrant/award (A): 995 @ $0 · Grant/award (A): 2,239 (derivative) @ $0EDGAR
2026-05-184Mhatre Rohin — DirectorGrant/award (A): 995 @ $0 · Grant/award (A): 2,239 (derivative) @ $0EDGAR
2026-05-184Konstantinov Konstantin — DirectorGrant/award (A): 995 @ $0 · Grant/award (A): 2,239 (derivative) @ $0EDGAR
2026-05-184EGLINTON MANNER CARRIE — DirectorGrant/award (A): 995 @ $0 · Grant/award (A): 2,239 (derivative) @ $0EDGAR
2026-05-184Madaus Martin D — DirectorGrant/award (A): 995 @ $0 · Grant/award (A): 2,239 (derivative) @ $0EDGAR
2026-05-184BARTHELEMY NICOLAS — DirectorGrant/award (A): 995 @ $0 · Grant/award (A): 2,239 (derivative) @ $0EDGAR
2026-05-184DAWES KAREN A — DirectorGrant/award (A): 995 @ $0 · Grant/award (A): 2,239 (derivative) @ $0EDGAR
2026-05-184MUIR GLENN P — DirectorGrant/award (A): 995 @ $0 · Grant/award (A): 2,239 (derivative) @ $0EDGAR
2026-05-084Douglass Brian Robb — CHIEF PRODUCT OFFICERTax withholding (F): 334 @ $126.43EDGAR
2026-05-084MUIR GLENN P — DirectorOption exercise (M): 2,434 @ $38.76 · Option exercise (M): 2,434 (derivative) @ $0EDGAR
2026-04-224Loeillot Olivier — Chief Executive Officer, DirectorSale (S): 3,832 @ $140EDGAR
2026-03-234Loeillot Olivier — Chief Executive OfficerGrant/award (A): 24,134 @ $0 · Grant/award (A): 25,890 (derivative) @ $0EDGAR
2026-03-234Bylund James — Chief Operating OfficerGrant/award (A): 7,751 @ $0 · Grant/award (A): 8,315 (derivative) @ $0EDGAR
2026-03-234Garland Jason K — CFOGrant/award (A): 7,751 @ $0 · Grant/award (A): 8,315 (derivative) @ $0EDGAR
2026-03-234KURIYEL RALF — Senior VP, R&DGrant/award (A): 5,284 @ $0 · Grant/award (A): 5,669 (derivative) @ $0EDGAR
2026-03-054Bylund James — Chief Operating OfficerGrant/award (A): 125 @ $0 · Tax withholding (F): 62 @ $125.84EDGAR
2026-03-054KURIYEL RALF — Senior VP, R&DGrant/award (A): 125 @ $0 · Tax withholding (F): 42 @ $125.84EDGAR
2026-03-034Douglass Brian Robb — CHIEF PRODUCT OFFICERTax withholding (F): 221 @ $124.97EDGAR
2026-03-034Loeillot Olivier — Chief Executive Officer, DirectorTax withholding (F): 344 @ $128.73 · Tax withholding (F): 1,610 @ $124.97EDGAR
2026-03-034Bylund James — Chief Operating OfficerTax withholding (F): 1,478 @ $128.73 · Tax withholding (F): 2,433 @ $124.97EDGAR
2026-03-034Garland Jason K — CFOTax withholding (F): 327 @ $128.73 · Tax withholding (F): 715 @ $124.97EDGAR
2026-03-034KURIYEL RALF — Senior VP, R&DTax withholding (F): 444 @ $128.73 · Tax withholding (F): 923 @ $124.97EDGAR
2026-03-034Hunt Anthony — DirectorTax withholding (F): 9,897 @ $124.97EDGAR
2026-01-124Douglass Brian Robb — CHIEF PRODUCT OFFICERGrant/award (A): 2,288 @ $0 · Grant/award (A): 2,143 (derivative) @ $0EDGAR
2025-12-184DAWES KAREN A — DirectorSale (S): 275 @ $161EDGAR
2025-12-174MUIR GLENN P — DirectorOption exercise (M): 3,366 @ $26.12 · Option exercise (M): 3,366 (derivative) @ $0EDGAR
2025-12-084Hunt Anthony — DirectorOther (J): 2,000EDGAR
2025-11-264Loeillot Olivier — Chief Executive Officer, DirectorSale (S): 7,041 @ $170EDGAR
2025-11-194Bylund James — Chief Operating OfficerSale (S): 2,191 @ $151.21EDGAR
2025-11-144Hunt Anthony — DirectorSale (S): 1,784 @ $151.01 · Sale (S): 2,100 @ $152.17 · Sale (S): 2,923 @ $153.14 · Sale (S): 2,500 @ $154.32 · Sale (S): 3,000 @ $155.45 · Sale (S): 5,737 @ $156.22 · +3 moreEDGAR
2025-11-134Hunt Anthony — DirectorOption exercise (M): 25,000 @ $33.87 · Sale (S): 3,741 @ $154.92 · Sale (S): 4,740 @ $155.85 · Sale (S): 4,959 @ $156.65 · Sale (S): 11,096 @ $158.01 · Sale (S): 464 @ $158.51 · +1 moreEDGAR
2025-10-064Loeillot Olivier — Chief Executive Officer, DirectorTax withholding (F): 1,248 @ $145.23EDGAR
2025-09-264Garland Jason K — CFOTax withholding (F): 412 @ $121.68EDGAR
2025-09-114Hunt Anthony — DirectorOption exercise (M): 20,000 @ $33.87 · Sale (S): 96 @ $116.34 · Sale (S): 1,108 @ $118.32 · Sale (S): 3,262 @ $119.64 · Sale (S): 14,882 @ $120.19 · Sale (S): 7,584 @ $121.42 · +2 moreEDGAR
2025-09-044Loeillot Olivier — Chief Executive Officer, DirectorTax withholding (F): 2,506 @ $116.18EDGAR
2025-09-044Hughes Violetta — CHIEF ACCOUNTING OFFICERGrant/award (A): 4,142 @ $0 · Grant/award (A): 3,914 (derivative) @ $0EDGAR
2025-08-124Madaus Martin D — DirectorPurchase (P): 1,800 @ $112.13EDGAR
2025-05-214BARTHELEMY NICOLAS — DirectorGrant/award (A): 973 @ $0 · Grant/award (A): 1,800 (derivative) @ $0EDGAR
2025-05-194Pax Margaret — DirectorGrant/award (A): 973 @ $0 · Grant/award (A): 1,800 (derivative) @ $0EDGAR
2025-05-194Mhatre Rohin — DirectorGrant/award (A): 973 @ $0 · Grant/award (A): 1,800 (derivative) @ $0EDGAR
2025-05-194Konstantinov Konstantin — DirectorGrant/award (A): 973 @ $0 · Grant/award (A): 1,800 (derivative) @ $0EDGAR
2025-05-194EGLINTON MANNER CARRIE — DirectorGrant/award (A): 973 @ $0 · Grant/award (A): 1,800 (derivative) @ $0EDGAR
2025-05-194Madaus Martin D — DirectorGrant/award (A): 973 @ $0 · Grant/award (A): 1,800 (derivative) @ $0EDGAR
2025-05-194DAWES KAREN A — DirectorGrant/award (A): 973 @ $0 · Grant/award (A): 1,800 (derivative) @ $0EDGAR
2025-05-194MUIR GLENN P — DirectorGrant/award (A): 973 @ $0 · Grant/award (A): 1,800 (derivative) @ $0EDGAR
2025-05-164Hunt Anthony — DirectorSale (S): 2,043 @ $122.66 · Sale (S): 17,596 @ $123.57 · Sale (S): 6,533 @ $124.34 · Sale (S): 268 @ $125.20 · Sale (S): 7 @ $127EDGAR
2025-04-024Bylund James — Chief Operating OfficerTax withholding (F): 454 @ $128.50EDGAR

Recent 8-K events — REPLIGEN CORP

FiledFormItems reportedSource
2026-07-288-K2.02 — Results of Operations and Financial Condition
9.01 — Financial Statements and Exhibits
EDGAR
2026-07-228-K1.01 — Entry into a Material Definitive Agreement
2.02 — Results of Operations and Financial Condition
7.01 — Regulation FD Disclosure
8.01 — Other Events
9.01 — Financial Statements and Exhibits
EDGAR
2026-05-158-K5.07 — Submission of Matters to a Vote of Security HoldersEDGAR
2026-05-058-K2.02 — Results of Operations and Financial Condition
9.01 — Financial Statements and Exhibits
EDGAR
2026-02-248-K2.02 — Results of Operations and Financial Condition
9.01 — Financial Statements and Exhibits
EDGAR
2026-01-068-K5.02 — Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers
7.01 — Regulation FD Disclosure
9.01 — Financial Statements and Exhibits
EDGAR
2025-10-288-K2.02 — Results of Operations and Financial Condition
9.01 — Financial Statements and Exhibits
EDGAR
2025-09-028-K5.02 — Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers
9.01 — Financial Statements and Exhibits
EDGAR
2025-07-298-K2.02 — Results of Operations and Financial Condition
9.01 — Financial Statements and Exhibits
EDGAR
2025-05-158-K5.03 — Amendments to Articles of Incorporation or Bylaws; Change in Fiscal Year
5.07 — Submission of Matters to a Vote of Security Holders
9.01 — Financial Statements and Exhibits
EDGAR
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