Gerber Hans-Peter — SEC Form 4 filings
SEC reporting owner CIK 1992979. 8 Form 4 filings on record with FilingPulse; latest filed 2026-03-03.
Transaction summary — filings shown
Covers all 8 filings on record, filed 2024-03-07 to 2026-03-03. Counts and totals are arithmetic on values as filed — descriptive data, not a recommendation.
- Open-market purchases (code P, non-derivative): 1 leg across 1 filing — 17,000 shares, $13,607 total (shares × price as filed).
- Open-market sales (code S, non-derivative): none reported.
- Other reported legs (grants, option exercises, tax withholding, gifts, derivative-security transactions, …): 22.
- Largest priced transaction: purchase of 17,000 shares @ $0.80 ($13,607) in SUTRO BIOPHARMA, INC., filed 2025-10-16.
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 |
|---|---|---|---|---|---|
| SUTRO BIOPHARMA, INC. (STRO) | CHIEF SCIENTIFIC OFFICER | 8 | 1 leg · 17,000 sh · $13,607 | — | 22 |
Form 4 filings — Gerber Hans-Peter
| Filed | Form | Issuer | Reported transactions | Source |
|---|---|---|---|---|
| 2026-03-03 | 4 | SUTRO BIOPHARMA, INC. (STRO) | Option exercise (M): 1,125 @ $0 · Tax withholding (F): 463 @ $20.47 · Option exercise (M): 2,843 @ $0 · Tax withholding (F): 1,170 @ $20.55 · Option exercise (M): 1,125 (derivative) @ $0 · Option exercise (M): 2,843 (derivative) @ $0 · +2 more | EDGAR |
| 2025-12-29 | 4 | SUTRO BIOPHARMA, INC. (STRO) | Grant/award (A): 7,925 (derivative) @ $0 | EDGAR |
| 2025-10-16 | 4 | SUTRO BIOPHARMA, INC. (STRO) | Purchase (P): 17,000 @ $0.80 | EDGAR |
| 2025-09-22 | 4 | SUTRO BIOPHARMA, INC. (STRO) | Option exercise (M): 37,500 @ $0 · Tax withholding (F): 13,417 @ $0.90 · Option exercise (M): 37,500 (derivative) @ $0 | EDGAR |
| 2025-04-08 | 4 | SUTRO BIOPHARMA, INC. (STRO) | Grant/award (A): 122,500 (derivative) @ $0 · Grant/award (A): 113,750 (derivative) @ $0 | EDGAR |
| 2025-03-04 | 4 | SUTRO BIOPHARMA, INC. (STRO) | Option exercise (M): 11,250 @ $0 · Tax withholding (F): 4,621 @ $1.59 · Option exercise (M): 11,250 (derivative) @ $0 | EDGAR |
| 2024-09-20 | 4 | SUTRO BIOPHARMA, INC. (STRO) | Option exercise (M): 37,500 @ $0 · Tax withholding (F): 13,380 @ $3.95 · Option exercise (M): 37,500 (derivative) @ $0 | EDGAR |
| 2024-03-07 | 4 | SUTRO BIOPHARMA, INC. (STRO) | Grant/award (A): 60,000 (derivative) @ $0 · Grant/award (A): 45,000 (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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