KURIYEL RALF — SEC Form 4 filings

SEC reporting owner CIK 1733143. 14 Form 4 filings on record with FilingPulse; latest filed 2026-03-23.

Transaction summary — filings shown

Covers all 14 filings on record, filed 2024-02-29 to 2026-03-23. Counts and totals are arithmetic on values as filed — descriptive data, not a recommendation.

By issuer — same filings

Open-market purchase/sale legs on non-derivative securities, grouped by issuer. Role is as filed on the newest filing for that issuer. Dollar totals cover priced legs only (shares × price as filed). Ordered by priced transaction value, largest first.

IssuerRole (as filed)FilingsPurchases (P)Sales (S)Other legs
REPLIGEN CORP (RGEN)Senior VP, R&D144 legs · 15,130 sh · $2,560,08122

Form 4 filings — KURIYEL RALF

FiledFormIssuerReported transactionsSource
2026-03-234REPLIGEN CORP (RGEN)Grant/award (A): 5,284 @ $0 · Grant/award (A): 5,669 (derivative) @ $0EDGAR
2026-03-054REPLIGEN CORP (RGEN)Grant/award (A): 125 @ $0 · Tax withholding (F): 42 @ $125.84EDGAR
2026-03-034REPLIGEN CORP (RGEN)Tax withholding (F): 444 @ $128.73 · Tax withholding (F): 923 @ $124.97EDGAR
2025-03-044REPLIGEN CORP (RGEN)Grant/award (A): 4,826 @ $0 · Tax withholding (F): 386 @ $155.38 · Grant/award (A): 4,542 (derivative) @ $0EDGAR
2025-02-284REPLIGEN CORP (RGEN)Tax withholding (F): 391 @ $156.54EDGAR
2025-02-254REPLIGEN CORP (RGEN)Tax withholding (F): 275 @ $164.74EDGAR
2024-08-054REPLIGEN CORP (RGEN)Sale (S): 6,973 @ $159.36 · Option exercise (M): 175 @ $86.10 · Sale (S): 175 @ $158.85 · Option exercise (M): 175 (derivative) @ $0EDGAR
2024-08-014REPLIGEN CORP (RGEN)Sale (S): 4,465 @ $165.67EDGAR
2024-05-154REPLIGEN CORP (RGEN)Tax withholding (F): 534 @ $163.34EDGAR
2024-03-124REPLIGEN CORP (RGEN)Option exercise (M): 1,271 @ $86.10 · Sale (S): 3,517 @ $193.73 · Option exercise (M): 1,271 (derivative) @ $0EDGAR
2024-03-074REPLIGEN CORP (RGEN)Tax withholding (F): 386 @ $195.72EDGAR
2024-03-064REPLIGEN CORP (RGEN)Tax withholding (F): 135 @ $193.99EDGAR
2024-03-044REPLIGEN CORP (RGEN)Grant/award (A): 404 @ $0 · Tax withholding (F): 453 @ $191.79EDGAR
2024-02-294REPLIGEN CORP (RGEN)Grant/award (A): 3,520 @ $0 · Grant/award (A): 3,497 (derivative) @ $0EDGAR

FilingPulse's Form 4 archive currently extends back to 2024-01-11 and is expanding backward through EDGAR history — earlier filings by this insider may not be indexed yet. Names and roles are shown as filed.

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