David Pauling
CIK: 0002063633
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 (13 total)
- Mar 4, 2026STRO
SUTRO BIOPHARMA, INC.
Exercise(M)Direct675 shares- - Mar 4, 2026STRO
SUTRO BIOPHARMA, INC.
Tax Payment(F)Direct277 shares at avg. $21.31$6K - Mar 2, 2026STRO
SUTRO BIOPHARMA, INC.
Award(A)DirectStock Option (right to buy)
33.6K shares- - Mar 2, 2026STRO
SUTRO BIOPHARMA, INC.
Exercise(M)Direct2.4K shares- - Mar 2, 2026STRO
SUTRO BIOPHARMA, INC.
Tax Payment(F)Direct970 shares at avg. $20.55$20K - Mar 2, 2026STRO
SUTRO BIOPHARMA, INC.
Award(A)DirectRestricted Stock Units (RSUs)
4.2K shares- - Mar 1, 2026STRO
SUTRO BIOPHARMA, INC.
Exercise(M)Direct500 shares- - Mar 1, 2026STRO
SUTRO BIOPHARMA, INC.
Exercise(M)Direct842 shares- - Mar 1, 2026STRO
SUTRO BIOPHARMA, INC.
Tax Payment(F)Direct551 shares at avg. $20.47$11K - Dec 23, 2025STRO
SUTRO BIOPHARMA, INC.
Award(A)DirectStock Option (right to buy)
7.2K shares- - Oct 15, 2025STRO
SUTRO BIOPHARMA, INC.
Purchase(P)Direct12.5K shares at avg. $0.80$10K - Apr 4, 2025STRO
SUTRO BIOPHARMA, INC.
Award(A)DirectStock Option (Right to Buy)
101.5K shares- - Apr 4, 2025STRO
SUTRO BIOPHARMA, INC.
Award(A)DirectRestricted Stock Units (RSUs)
94.3K shares-
| Type | Shares | Price | Ownership | |||
|---|---|---|---|---|---|---|
| Mar 4, 2026 | STRO SUTRO BIOPHARMA, INC. | Exercise(M) | 675 | - | $0 | Direct |
| Mar 4, 2026 | STRO SUTRO BIOPHARMA, INC. | Tax Payment(F) | 277 | $21.31 | $5,903 | Direct |
| Mar 2, 2026 | STRO SUTRO BIOPHARMA, INC. | Award(A) Stock Option (right to buy) | 33,600 | - | - | Direct |
| Mar 2, 2026 | STRO SUTRO BIOPHARMA, INC. | Exercise(M) | 2,356 | - | $0 | Direct |
| Mar 2, 2026 | STRO SUTRO BIOPHARMA, INC. | Tax Payment(F) | 970 | $20.55 | $19,934 | Direct |
| Mar 2, 2026 | STRO SUTRO BIOPHARMA, INC. | Award(A) Restricted Stock Units (RSUs) | 4,200 | - | - | Direct |
| Mar 1, 2026 | STRO SUTRO BIOPHARMA, INC. | Exercise(M) | 500 | - | $0 | Direct |
| Mar 1, 2026 | STRO SUTRO BIOPHARMA, INC. | Exercise(M) | 842 | - | $0 | Direct |
| Mar 1, 2026 | STRO SUTRO BIOPHARMA, INC. | Tax Payment(F) | 551 | $20.47 | $11,279 | Direct |
| Dec 23, 2025 | STRO SUTRO BIOPHARMA, INC. | Award(A) Stock Option (right to buy) | 7,200 | - | - | Direct |
| Oct 15, 2025 | STRO SUTRO BIOPHARMA, INC. | Purchase(P) | 12,504 | $0.80 | $9,993 | Direct |
| Apr 4, 2025 | STRO SUTRO BIOPHARMA, INC. | Award(A) Stock Option (Right to Buy) | 101,500 | - | - | Direct |
| Apr 4, 2025 | STRO SUTRO BIOPHARMA, INC. | Award(A) Restricted Stock Units (RSUs) | 94,250 | - | - | Direct |
1-13 of 13 transactions
About Pauling David
Pauling David (SEC CIK 0002063633) files insider reports with the SEC as Chief Admin. Ofcr. & GC of SUTRO BIOPHARMA, INC. (STRO).
Signal8 holds 7 ownership filings by Pauling David (2 Form 3, 5 Form 4), filed between Apr 8, 2025 and Mar 6, 2026. Those filings report 13 transactions, from Apr 4, 2025 to Mar 4, 2026. Signal8's Form 4 history starts in Sep 2024.
The business address on Pauling David's filings is in SOUTH SAN FRANCISCO, CA.
Recent filings by Pauling David
- Mar 4, 2026: Option exercise of STRO shares (Form 4, code M).
- Mar 4, 2026: Tax withholding of STRO shares (Form 4, code F).
- Mar 2, 2026: Grant or award of STRO derivative securities (Form 4, code A).
- Mar 2, 2026: Option exercise of STRO shares (Form 4, code M).
- Mar 2, 2026: Tax withholding of STRO shares (Form 4, code F).
Other insiders filing for SUTRO BIOPHARMA, INC. (STRO)
- Gerber Hans-Peter, CHIEF SCIENTIFIC OFFICER
- Wigginton Jon Marc, Director
- Petree Daniel H, Director
- PANEK JAMES P, Director
- Lobacki Joseph M, Director
- Jagpal Sukhi, Director