Chow Gregory K. bought STRO
June 2, 2026 · Form 4 insider transaction
Chow Gregory K. bought 2,500 shares of Sutro Biopharma, Inc. at $0.00 per share, a transaction worth N/A. The trade was recorded as option exercise and disclosed on an SEC Form 4, filed 0 days after the transaction.
Direction
Acquired (buy-side)
Shares
2,500
Price
$0.00
Total value
N/A
InsiderChow Gregory K.
RoleOfficer
CompanySutro Biopharma, Inc. (STRO)
SecurityCommon Stock
Transaction codeM: Option exercise
Transaction dateJune 2, 2026
Filing dateJune 2, 2026
Shares owned after4,725
OwnershipDirect
10b5-1 planNo
AmendedNo
Footnotes
For avoidance of doubt, the reporting person elected to satisfy tax withholding liabilities in cash in lieu of withholding shares.; The reported total includes 250 shares of Common Stock acquired by the reporting person in one or more transactions with the Issuer pursuant to its employee stock purchase plan, which transactions are exempt pursuant to Rules 16a3(f)(1)(i)(B) and 16b3(c).