LAROSA JOSEPH J — SEC Form 4 filings

SEC reporting owner CIK 1238303. 12 Form 4 filings on record with FilingPulse; latest filed 2026-08-21.

Transaction summary — filings shown

Covers all 12 filings on record, filed 2024-02-09 to 2026-08-21. 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
REGENERON PHARMACEUTICALS, INC. (REGN)EVP General Counsel and Secret125 legs · 6,731 sh · $6,795,11917

Form 4 filings — LAROSA JOSEPH J

FiledFormIssuerReported transactionsSource
2026-08-214REGENERON PHARMACEUTICALS, INC. (REGN)Option exercise (M): 12,282 @ $381.92 · Tax withholding (F): 9,019 @ $830.15 · Option exercise (M): 12,282 (derivative) @ $0EDGAR
2025-12-094REGENERON PHARMACEUTICALS, INC. (REGN)Grant/award (A): 2,476 @ $0 · Tax withholding (F): 1,396 @ $712.94 · Grant/award (A): 12,210 (derivative) @ $0EDGAR
2025-11-244REGENERON PHARMACEUTICALS, INC. (REGN)Option exercise (M): 14,450 @ $555.67 · Tax withholding (F): 12,686 @ $736.77 · Option exercise (M): 14,450 (derivative) @ $0EDGAR
2024-12-184REGENERON PHARMACEUTICALS, INC. (REGN)Tax withholding (F): 702 @ $730.81EDGAR
2024-12-104REGENERON PHARMACEUTICALS, INC. (REGN)Grant/award (A): 2,332 @ $0 · Tax withholding (F): 492 @ $787 · Grant/award (A): 8,981 (derivative) @ $0EDGAR
2024-07-124REGENERON PHARMACEUTICALS, INC. (REGN)Sale (S): 1,866 @ $1,088.95EDGAR
2024-06-254REGENERON PHARMACEUTICALS, INC. (REGN)Option exercise (M): 14,450 @ $555.67 · Tax withholding (F): 11,084 @ $1,060.13 · Option exercise (M): 14,450 (derivative) @ $0EDGAR
2024-06-124REGENERON PHARMACEUTICALS, INC. (REGN)Gift (G): 1,608 @ $0EDGAR
2024-05-224REGENERON PHARMACEUTICALS, INC. (REGN)Sale (S): 1,865 @ $994.90EDGAR
2024-02-284REGENERON PHARMACEUTICALS, INC. (REGN)Sale (S): 1,000 @ $990EDGAR
2024-02-264REGENERON PHARMACEUTICALS, INC. (REGN)Sale (S): 1,000 @ $967.65EDGAR
2024-02-094REGENERON PHARMACEUTICALS, INC. (REGN)Sale (S): 1,000 @ $950EDGAR

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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