SCHLEIFER LEONARD S — SEC Form 4 filings
SEC reporting owner CIK 1218629. 6 Form 4 filings on record with FilingPulse; latest filed 2026-01-05.
Transaction summary — filings shown
Covers all 6 filings on record, filed 2024-05-15 to 2026-01-05. Counts and totals are arithmetic on values as filed — descriptive data, not a recommendation.
- Open-market purchases (code P, non-derivative): none reported.
- Open-market sales (code S, non-derivative): 20 legs across 4 filings — 84,771 shares, $83,971,874 total (shares × price as filed).
- Other reported legs (grants, option exercises, tax withholding, gifts, derivative-security transactions, …): 11.
- Largest priced transaction: sale of 22,698 shares @ $979.16 ($22,224,974) in REGENERON PHARMACEUTICALS, INC., filed 2024-05-15.
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.
| Issuer | Role (as filed) | Filings | Purchases (P) | Sales (S) | Other legs |
|---|---|---|---|---|---|
| REGENERON PHARMACEUTICALS, INC. (REGN) | Bd. Co-Chair, President & CEO, Director | 6 | — | 20 legs · 84,771 sh · $83,971,874 | 11 |
Form 4 filings — SCHLEIFER LEONARD S
| Filed | Form | Issuer | Reported transactions | Source |
|---|---|---|---|---|
| 2026-01-05 | 4 | REGENERON PHARMACEUTICALS, INC. (REGN) | Option exercise (M): 28,570 @ $0 · Tax withholding (F): 28,570 @ $772.09 · Option exercise (M): 28,570 (derivative) @ $0 | EDGAR |
| 2025-12-11 | 4 | REGENERON PHARMACEUTICALS, INC. (REGN) | Option exercise (M): 172,723 @ $555.67 · Tax withholding (F): 155,145 @ $701.51 · Option exercise (M): 172,723 (derivative) @ $0 | EDGAR |
| 2024-06-13 | 4 | REGENERON PHARMACEUTICALS, INC. (REGN) | Sale (S): 7,321 @ $1,015.28 · Sale (S): 1,743 @ $1,016.04 · Sale (S): 14,879 @ $1,015.30 · Sale (S): 270 @ $1,016.62 · Conversion (C): 1,000 @ $0 · Sale (S): 1,000 @ $1,025.27 · +1 more | EDGAR |
| 2024-06-10 | 4 | REGENERON PHARMACEUTICALS, INC. (REGN) | Sale (S): 787 @ $1,015.02 | EDGAR |
| 2024-05-17 | 4 | REGENERON PHARMACEUTICALS, INC. (REGN) | Sale (S): 22,687 @ $979.22 · Sale (S): 143 @ $980.07 | EDGAR |
| 2024-05-15 | 4 | REGENERON PHARMACEUTICALS, INC. (REGN) | Option exercise (M): 203,204 @ $399.66 · Tax withholding (F): 144,433 @ $976.79 · Sale (S): 22,698 @ $979.16 · Sale (S): 2,302 @ $980.10 · Sale (S): 7,864 @ $979.05 · Sale (S): 295 @ $980.64 · +9 more | EDGAR |
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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