Chow Gregory K. bought STRO
October 15, 2025 · Form 4 insider transaction
Chow Gregory K. bought 19,750 shares of Sutro Biopharma, Inc. at $0.81 per share, a transaction worth $16.0K. The trade was recorded as open-market purchase and disclosed on an SEC Form 4, filed 1 day after the transaction.
Direction
Acquired (buy-side)
Shares
19,750
Price
$0.81
Total value
$16.0K
InsiderChow Gregory K.
RoleOfficer
CompanySutro Biopharma, Inc. (STRO)
SecurityCommon Stock
Transaction codeP: Open-market purchase
Transaction dateOctober 15, 2025
Filing dateOctober 16, 2025
Shares owned after19,750
OwnershipDirect
10b5-1 planNo
AmendedNo
Footnotes
The price reported in Column 4 is a weighted average price. These shares were purchased in multiple transactions at prices ranging from $0.8099 to $0.8100, inclusive. The reporting person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares purchased at each separate price within the range set forth in this footnote.