Gerber Hans-Peter
SEC insider (Form 3/4/5 filer). CIK 0001992979. CHIEF SCIENTIFIC OFFICER at SUTRO BIOPHARMA, INC. (STRO). 18 reported Form 4/5 transactions since Sep 2024; latest on Sep 18, 2026. Located in SOUTH SAN FRANCISCO, CA.
Companies Gerber Hans-Peter has filed insider reports for
- SUTRO BIOPHARMA, INC. (STRO): Officer, CHIEF SCIENTIFIC OFFICER
Gerber Hans-Peter
CIK: 0001992979
Transaction Breakdown
High conviction signal
Position reduction
Derivative conversions
Compensation grants
Gifts, tax withholding, conversions, dispositions to the issuer and other codes
Companies & Roles (1)
SUTRO BIOPHARMA, INC.
Discretionary Trading P&L
Holdings
Transaction History (18 total)
- Sep 18, 2026STRO
SUTRO BIOPHARMA, INC.
Tax PaymentDirect1.3K shares at avg. $15.34$21K - Sep 18, 2026STRO
SUTRO BIOPHARMA, INC.
ExerciseDirect3.8K shares- - Mar 2, 2026STRO
SUTRO BIOPHARMA, INC.
Tax PaymentDirect1.2K shares at avg. $20.55$24K - Mar 2, 2026STRO
SUTRO BIOPHARMA, INC.
ExerciseDirect2.8K shares- - Mar 2, 2026STRO
SUTRO BIOPHARMA, INC.
AwardDirectStock Option (right to buy)
40K shares- - Mar 2, 2026STRO
SUTRO BIOPHARMA, INC.
AwardDirectRestricted Stock Units (RSUs)
5K shares- - Mar 1, 2026STRO
SUTRO BIOPHARMA, INC.
Tax PaymentDirect463 shares at avg. $20.47$9K - Mar 1, 2026STRO
SUTRO BIOPHARMA, INC.
ExerciseDirect1.1K shares- - Dec 23, 2025STRO
SUTRO BIOPHARMA, INC.
AwardDirectStock Option (right to buy)
7.9K shares- - Oct 15, 2025STRO
SUTRO BIOPHARMA, INC.
PurchaseDirect17K shares at avg. $0.80$14K
| Type | Shares | Price | Ownership | |||
|---|---|---|---|---|---|---|
| Sep 18, 2026 | STRO SUTRO BIOPHARMA, INC. | Tax Payment | 1,345 | $15.34 | $20,632 | Direct |
| Sep 18, 2026 | STRO SUTRO BIOPHARMA, INC. | Exercise | 3,750 | - | $0 | Direct |
| Mar 2, 2026 | STRO SUTRO BIOPHARMA, INC. | Tax Payment | 1,170 | $20.55 | $24,044 | Direct |
| Mar 2, 2026 | STRO SUTRO BIOPHARMA, INC. | Exercise | 2,843 | - | $0 | Direct |
| Mar 2, 2026 | STRO SUTRO BIOPHARMA, INC. | Award Stock Option (right to buy) | 40,000 | - | - | Direct |
| Mar 2, 2026 | STRO SUTRO BIOPHARMA, INC. | Award Restricted Stock Units (RSUs) | 5,000 | - | - | Direct |
| Mar 1, 2026 | STRO SUTRO BIOPHARMA, INC. | Tax Payment | 463 | $20.47 | $9,478 | Direct |
| Mar 1, 2026 | STRO SUTRO BIOPHARMA, INC. | Exercise | 1,125 | - | $0 | Direct |
| Dec 23, 2025 | STRO SUTRO BIOPHARMA, INC. | Award Stock Option (right to buy) | 7,925 | - | - | Direct |
| Oct 15, 2025 | STRO SUTRO BIOPHARMA, INC. | Purchase | 17,000 | $0.80 | $13,607 | Direct |
1-10 of 18 transactions