Arkolith/Insider Trading/STRO/Form 4

Chung Jane

Chief Executive Officer, DirectorSUTRO BIOPHARMA, INC. (STRO) · full profile →Form 4 · filed Dec 16, 2025
No Open-Market Flow
Open-Market Buys
$0
Open-Market Sells
$0
Net Open-Market Flow
$0
Transactions
3
2 non-derivative · 1 derivative

Non-Derivative Transactions (Table I)

DateActionSharesPriceValueOwned After
Dec 12, 2025Tax withholding(F)894$8.02$7K14K
Dec 12, 2025Option exercise(M)3K—$015K

Derivative Transactions (Table II)

DateActionSharesPriceValueOwned After
Dec 12, 2025Option exercise(M)3K—$05K

Transaction Codes

F
Shares withheld for taxes
M
Option exercise / conversion

Data Source & Provenance

Parsed from a single SEC EDGAR Form 4 filing (accession 0001872398-25-000005) within minutes of acceptance. Every field above traces to the original document. Verify it directly:

View original filing on SEC.govRaw Form 4 XML