NEWELL WILLIAM J
SEC insider (Form 3/4/5 filer). CIK 0001309660. CEO at SUTRO BIOPHARMA, INC. (STRO). 7 reported Form 4/5 transactions since Sep 2024; latest on Mar 5, 2025. Located in SOUTH SAN FRANCISCO, CA.
Companies NEWELL WILLIAM J has filed insider reports for
- SUTRO BIOPHARMA, INC. (STRO): Director, Officer, CEO
NEWELL WILLIAM J
CIK: 0001309660
Transaction Breakdown
Open Market Buys (P)0 (0.0%)
High conviction signal
Open Market Sales (S)0 (0.0%)
Position reduction
Option Exercises (M)4 (57.1%)
Derivative conversions
Awards (A)0 (0.0%)
Compensation grants
Other (G, F, J, C, D, …)3 (42.9%)
Gifts, tax withholding, conversions, dispositions to the issuer and other codes
Companies & Roles (1)
STRO
SUTRO BIOPHARMA, INC.
DirectorOfficer
Discretionary Trading P&L
Holdings
Transaction History (7 total)
- Mar 5, 2025STRO
SUTRO BIOPHARMA, INC.
ExerciseDirect18.8K shares- - Mar 5, 2025STRO
SUTRO BIOPHARMA, INC.
Tax PaymentDirect6.7K shares at avg. $1.36$9K - Mar 4, 2025STRO
SUTRO BIOPHARMA, INC.
Tax PaymentDirect11.1K shares at avg. $1.42$16K - Mar 4, 2025STRO
SUTRO BIOPHARMA, INC.
ExerciseDirect31.1K shares- - Mar 1, 2025STRO
SUTRO BIOPHARMA, INC.
Tax PaymentDirect25.2K shares at avg. $1.59$40K - Mar 1, 2025STRO
SUTRO BIOPHARMA, INC.
ExerciseDirect23.8K shares- - Mar 1, 2025STRO
SUTRO BIOPHARMA, INC.
ExerciseDirect41.8K shares-
| Type | Shares | Price | Ownership | |||
|---|---|---|---|---|---|---|
| Mar 5, 2025 | STRO SUTRO BIOPHARMA, INC. | Exercise | 18,750 | - | - | Direct |
| Mar 5, 2025 | STRO SUTRO BIOPHARMA, INC. | Tax Payment | 6,708 | $1.36 | $9,123 | Direct |
| Mar 4, 2025 | STRO SUTRO BIOPHARMA, INC. | Tax Payment | 11,136 | $1.42 | $15,813 | Direct |
| Mar 4, 2025 | STRO SUTRO BIOPHARMA, INC. | Exercise | 31,125 | - | - | Direct |
| Mar 1, 2025 | STRO SUTRO BIOPHARMA, INC. | Tax Payment | 25,203 | $1.59 | $40,073 | Direct |
| Mar 1, 2025 | STRO SUTRO BIOPHARMA, INC. | Exercise | 23,750 | - | - | Direct |
| Mar 1, 2025 | STRO SUTRO BIOPHARMA, INC. | Exercise | 41,750 | - | - | Direct |
1-7 of 7 transactions