Leyman Barbara
SEC insider (Form 3/4/5 filer). CIK 0002028309. Chief Business Dev. Officer at SUTRO BIOPHARMA, INC. (STRO). 4 reported Form 4/5 transactions since Sep 2024; latest on Jul 8, 2025. Located in SOUTH SAN FRANCISCO, CA.
Companies Leyman Barbara has filed insider reports for
- SUTRO BIOPHARMA, INC. (STRO): Officer, Chief Business Dev. Officer
Leyman Barbara
CIK: 0002028309
Transaction Breakdown
Open Market Buys (P)0 (0.0%)
High conviction signal
Open Market Sales (S)0 (0.0%)
Position reduction
Option Exercises (M)1 (25.0%)
Derivative conversions
Awards (A)2 (50.0%)
Compensation grants
Other (G, F, J, C, D, …)1 (25.0%)
Gifts, tax withholding, conversions, dispositions to the issuer and other codes
Companies & Roles (1)
STRO
SUTRO BIOPHARMA, INC.
Officer
Discretionary Trading P&L
Holdings
Transaction History (4 total)
- Jul 8, 2025STRO
SUTRO BIOPHARMA, INC.
ExerciseDirect25K shares- - Jul 8, 2025STRO
SUTRO BIOPHARMA, INC.
Tax PaymentDirect8.9K shares at avg. $0.78$7K - Apr 4, 2025STRO
SUTRO BIOPHARMA, INC.
AwardDirectStock Option (Right to Buy)
91K shares- - Apr 4, 2025STRO
SUTRO BIOPHARMA, INC.
AwardDirectRestricted Stock Units (RSUs)
84.5K shares-
| Type | Shares | Price | Ownership | |||
|---|---|---|---|---|---|---|
| Jul 8, 2025 | STRO SUTRO BIOPHARMA, INC. | Exercise | 25,000 | - | - | Direct |
| Jul 8, 2025 | STRO SUTRO BIOPHARMA, INC. | Tax Payment | 8,944 | $0.78 | $6,976 | Direct |
| Apr 4, 2025 | STRO SUTRO BIOPHARMA, INC. | Award Stock Option (Right to Buy) | 91,000 | - | - | Direct |
| Apr 4, 2025 | STRO SUTRO BIOPHARMA, INC. | Award Restricted Stock Units (RSUs) | 84,500 | - | - | Direct |
1-4 of 4 transactions