Chung Jane
SEC insider (Form 3/4/5 filer). CIK 0001872398. Chief Executive Officer at SUTRO BIOPHARMA, INC. (STRO). 23 reported Form 4/5 transactions since Sep 2024; latest on Mar 4, 2026. Located in SOUTH SAN FRANCISCO, CA.
Companies Chung Jane has filed insider reports for
- SUTRO BIOPHARMA, INC. (STRO): Director, Officer, Chief Executive Officer
Chung Jane
CIK: 0001872398
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 (23 total)
- Mar 4, 2026STRO
SUTRO BIOPHARMA, INC.
Tax PaymentDirect282 shares at avg. $21.31$6K - Mar 4, 2026STRO
SUTRO BIOPHARMA, INC.
ExerciseDirect788 shares- - Mar 2, 2026STRO
SUTRO BIOPHARMA, INC.
AwardDirectStock Option (right to buy)
175K shares- - Mar 2, 2026STRO
SUTRO BIOPHARMA, INC.
Tax PaymentDirect2.8K shares at avg. $20.55$57K - Mar 2, 2026STRO
SUTRO BIOPHARMA, INC.
ExerciseDirect7.8K shares- - Mar 2, 2026STRO
SUTRO BIOPHARMA, INC.
AwardDirectRestricted Stock Units (RSUs)
40K shares- - Mar 1, 2026STRO
SUTRO BIOPHARMA, INC.
ExerciseDirect2.5K shares- - Mar 1, 2026STRO
SUTRO BIOPHARMA, INC.
ExerciseDirect688 shares- - Mar 1, 2026STRO
SUTRO BIOPHARMA, INC.
Tax PaymentDirect1.3K shares at avg. $20.47$26K - Dec 12, 2025STRO
SUTRO BIOPHARMA, INC.
ExerciseDirect2.5K shares-
| Type | Shares | Price | Ownership | |||
|---|---|---|---|---|---|---|
| Mar 4, 2026 | STRO SUTRO BIOPHARMA, INC. | Tax Payment | 282 | $21.31 | $6,009 | Direct |
| Mar 4, 2026 | STRO SUTRO BIOPHARMA, INC. | Exercise | 788 | - | $0 | Direct |
| Mar 2, 2026 | STRO SUTRO BIOPHARMA, INC. | Award Stock Option (right to buy) | 175,000 | - | - | Direct |
| Mar 2, 2026 | STRO SUTRO BIOPHARMA, INC. | Tax Payment | 2,779 | $20.55 | $57,108 | Direct |
| Mar 2, 2026 | STRO SUTRO BIOPHARMA, INC. | Exercise | 7,750 | - | $0 | Direct |
| Mar 2, 2026 | STRO SUTRO BIOPHARMA, INC. | Award Restricted Stock Units (RSUs) | 40,000 | - | - | Direct |
| Mar 1, 2026 | STRO SUTRO BIOPHARMA, INC. | Exercise | 2,500 | - | $0 | Direct |
| Mar 1, 2026 | STRO SUTRO BIOPHARMA, INC. | Exercise | 688 | - | $0 | Direct |
| Mar 1, 2026 | STRO SUTRO BIOPHARMA, INC. | Tax Payment | 1,271 | $20.47 | $26,017 | Direct |
| Dec 12, 2025 | STRO SUTRO BIOPHARMA, INC. | Exercise | 2,500 | - | - | Direct |
1-10 of 23 transactions