Snyder Mark Howard — SEC Form 4 filings
SEC reporting owner CIK 1902866. 14 Form 4 filings on record with FilingPulse; latest filed 2026-06-15.
Transaction summary — filings shown
Covers all 14 filings on record, filed 2024-02-20 to 2026-06-15. 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): none reported.
- Other reported legs (grants, option exercises, tax withholding, gifts, derivative-security transactions, …): 50.
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 |
|---|---|---|---|---|---|
| HALOZYME THERAPEUTICS, INC. (HALO) | SVP, CHIEF LEGAL OFFICER | 14 | — | — | 50 |
Form 4 filings — Snyder Mark Howard
| Filed | Form | Issuer | Reported transactions | Source |
|---|---|---|---|---|
| 2026-06-15 | 4 | HALOZYME THERAPEUTICS, INC. (HALO) | Option exercise (M): 5,034 @ $0 · Tax withholding (F): 2,715 @ $69.50 · Option exercise (M): 5,034 (derivative) @ $0 | EDGAR |
| 2026-02-24 | 4 | HALOZYME THERAPEUTICS, INC. (HALO) | Option exercise (M): 5,332 @ $0 · Tax withholding (F): 2,876 @ $70.98 · Option exercise (M): 7,011 @ $0 · Tax withholding (F): 3,782 @ $70.64 · Option exercise (M): 5,332 (derivative) @ $0 · Option exercise (M): 7,011 (derivative) @ $0 | EDGAR |
| 2026-02-17 | 4 | HALOZYME THERAPEUTICS, INC. (HALO) | Option exercise (M): 4,796 @ $0 · Tax withholding (F): 2,587 @ $79.44 · Option exercise (M): 12,016 @ $0 · Tax withholding (F): 6,481 @ $79.44 · Option exercise (M): 4,796 (derivative) @ $0 · Option exercise (M): 12,016 (derivative) @ $0 | EDGAR |
| 2026-02-11 | 4 | HALOZYME THERAPEUTICS, INC. (HALO) | Grant/award (A): 18,730 (derivative) @ $0 · Grant/award (A): 17,396 (derivative) @ $0 · Grant/award (A): 4,651 (derivative) @ $0 · Grant/award (A): 7,808 (derivative) @ $0 · Grant/award (A): 29,502 (derivative) @ $0 | EDGAR |
| 2026-01-06 | 4 | HALOZYME THERAPEUTICS, INC. (HALO) | Option exercise (M): 7,611 @ $0 · Tax withholding (F): 4,243 @ $70.31 · Option exercise (M): 7,611 (derivative) @ $0 | EDGAR |
| 2025-06-13 | 4 | HALOZYME THERAPEUTICS, INC. (HALO) | Option exercise (M): 5,035 @ $0 · Tax withholding (F): 2,711 @ $54.54 · Option exercise (M): 5,035 (derivative) @ $0 | EDGAR |
| 2025-02-24 | 4 | HALOZYME THERAPEUTICS, INC. (HALO) | Option exercise (M): 7,012 @ $0 · Tax withholding (F): 3,775 @ $57.75 · Option exercise (M): 7,012 (derivative) @ $0 | EDGAR |
| 2025-02-21 | 4 | HALOZYME THERAPEUTICS, INC. (HALO) | Grant/award (A): 22,603 (derivative) @ $0 · Grant/award (A): 21,327 (derivative) @ $0 | EDGAR |
| 2025-02-18 | 4 | HALOZYME THERAPEUTICS, INC. (HALO) | Option exercise (M): 17,409 @ $0 · Tax withholding (F): 9,373 @ $58.29 · Option exercise (M): 4,796 @ $0 · Tax withholding (F): 2,582 @ $58.29 · Option exercise (M): 17,409 (derivative) @ $0 · Option exercise (M): 4,796 (derivative) @ $0 | EDGAR |
| 2025-02-14 | 4 | HALOZYME THERAPEUTICS, INC. (HALO) | Grant/award (A): 6,050 (derivative) @ $0 · Grant/award (A): 4,698 (derivative) @ $0 · Grant/award (A): 7,269 (derivative) @ $0 · Grant/award (A): 30,050 (derivative) @ $0 | EDGAR |
| 2025-01-06 | 4 | HALOZYME THERAPEUTICS, INC. (HALO) | Option exercise (M): 7,611 @ $0 · Tax withholding (F): 4,289 @ $47.74 · Option exercise (M): 7,611 (derivative) @ $0 | EDGAR |
| 2024-06-14 | 4 | HALOZYME THERAPEUTICS, INC. (HALO) | Grant/award (A): 20,137 (derivative) @ $0 | EDGAR |
| 2024-02-27 | 4 | HALOZYME THERAPEUTICS, INC. (HALO) | Grant/award (A): 29,064 (derivative) @ $0 · Grant/award (A): 28,045 (derivative) @ $0 | EDGAR |
| 2024-02-20 | 4 | HALOZYME THERAPEUTICS, INC. (HALO) | Option exercise (M): 4,796 @ $0 · Tax withholding (F): 2,577 @ $36.10 · Option exercise (M): 4,796 (derivative) @ $0 | 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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