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David Pauling

CIK: 0002063633

Transaction Breakdown

Open Market Buys (P)1 (7.7%)

High conviction signal

Open Market Sales (S)0 (0.0%)

Position reduction

Option Exercises (M)4 (30.8%)

Derivative conversions

Awards (A)5 (38.5%)

Compensation grants

Other (G, F, J, C, D, …)3 (23.1%)

Gifts, tax withholding, conversions, dispositions to the issuer and other codes

Companies & Roles (1)

SUTRO BIOPHARMA, INC. logo
STRO

SUTRO BIOPHARMA, INC.

Officer

Discretionary Trading P&L

Holdings

Transaction History (13 total)

  • SUTRO BIOPHARMA, INC. logo
    STRO

    SUTRO BIOPHARMA, INC.

    Mar 4, 2026
    Exercise(M)
    Direct
    675 shares-
  • SUTRO BIOPHARMA, INC. logo
    STRO

    SUTRO BIOPHARMA, INC.

    Mar 4, 2026
    Tax Payment(F)
    Direct
    277 shares at avg. $21.31$6K
  • SUTRO BIOPHARMA, INC. logo
    STRO

    SUTRO BIOPHARMA, INC.

    Mar 2, 2026
    Award(A)

    Stock Option (right to buy)

    Direct
    33.6K shares-
  • SUTRO BIOPHARMA, INC. logo
    STRO

    SUTRO BIOPHARMA, INC.

    Mar 2, 2026
    Exercise(M)
    Direct
    2.4K shares-
  • SUTRO BIOPHARMA, INC. logo
    STRO

    SUTRO BIOPHARMA, INC.

    Mar 2, 2026
    Tax Payment(F)
    Direct
    970 shares at avg. $20.55$20K
  • SUTRO BIOPHARMA, INC. logo
    STRO

    SUTRO BIOPHARMA, INC.

    Mar 2, 2026
    Award(A)

    Restricted Stock Units (RSUs)

    Direct
    4.2K shares-
  • SUTRO BIOPHARMA, INC. logo
    STRO

    SUTRO BIOPHARMA, INC.

    Mar 1, 2026
    Exercise(M)
    Direct
    500 shares-
  • SUTRO BIOPHARMA, INC. logo
    STRO

    SUTRO BIOPHARMA, INC.

    Mar 1, 2026
    Exercise(M)
    Direct
    842 shares-
  • SUTRO BIOPHARMA, INC. logo
    STRO

    SUTRO BIOPHARMA, INC.

    Mar 1, 2026
    Tax Payment(F)
    Direct
    551 shares at avg. $20.47$11K
  • SUTRO BIOPHARMA, INC. logo
    STRO

    SUTRO BIOPHARMA, INC.

    Dec 23, 2025
    Award(A)

    Stock Option (right to buy)

    Direct
    7.2K shares-
  • SUTRO BIOPHARMA, INC. logo
    STRO

    SUTRO BIOPHARMA, INC.

    Oct 15, 2025
    Purchase(P)
    Direct
    12.5K shares at avg. $0.80$10K
  • SUTRO BIOPHARMA, INC. logo
    STRO

    SUTRO BIOPHARMA, INC.

    Apr 4, 2025
    Award(A)

    Stock Option (Right to Buy)

    Direct
    101.5K shares-
  • SUTRO BIOPHARMA, INC. logo
    STRO

    SUTRO BIOPHARMA, INC.

    Apr 4, 2025
    Award(A)

    Restricted Stock Units (RSUs)

    Direct
    94.3K shares-

1-13 of 13

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)

How to read Form 4 transaction codes