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$STRO All transactions

SUTRO BIOPHARMA, INC.

A

$ Value

$0

Shares

100,000

Price

$0

Filed

Jun 2

Insider

Name

Chow Gregory K.

Title

CFO

CIK

0001761333

Roles

Officer

Transaction Details

Transaction Date

2025-06-02

Code

A

Table

Derivative

Ownership

Direct

Equity Swap

No

Shares After

100,000

Footnotes

25% of the option award vests on June 2, 2026. The remainder vests ratably as to 1/48th of the total award monthly thereafter, subject to the reporting person's continued service to the Issuer on each vesting date. | Each RSU represents a contingent right to receive one (1) share of the Issuer's Common Stock upon settlement. | The RSU award vests annually as to 1/4th of the total award beginning on June 2, 2026, subject to the reporting person's continued service to the Issuer on each vesting date.

Filing Info

Accession No.

0001415889-25-015142

Form Type

4

Issuer CIK

0001382101

Chow Gregory K.'s History

Date Ticker Type Value
2026-03-02 STRO A $0
2026-03-02 STRO A $0
2025-12-23 STRO A $0
2025-10-15 STRO $16K
2025-06-02 STRO A $0
2025-06-02 STRO A $0

Other Insiders at STRO (90d)

Insider Bought Sold Last
Chow Gregory K.
CFO
2026-03-02
Chung Jane
Chief Executive Officer
2026-03-04
Gerber Hans-Peter
CHIEF SCIENTIFIC OFFICER
2026-03-02
Pauling David
Chief Admin. Ofcr. & GC
2026-03-04