Arkolith/Insider Trading/STRO/Form 4

Pauling David

Chief Admin. Ofcr. & GCSUTRO BIOPHARMA, INC. (STRO) · full profile →Form 4 · filed Mar 3, 2026
No Open-Market Flow
Open-Market Buys
$0
Open-Market Sells
$0
Net Open-Market Flow
$0
Transactions
10
5 non-derivative · 5 derivative

Non-Derivative Transactions (Table I)

DateActionSharesPriceValueOwned After
Mar 2, 2026Tax withholding(F)970$20.55$20K9K
Mar 2, 2026Option exercise(M)2K—$010K
Mar 1, 2026Option exercise(M)500—$08K
Mar 1, 2026Option exercise(M)842—$09K
Mar 1, 2026Tax withholding(F)551$20.47$11K8K

Derivative Transactions (Table II)

DateActionSharesPriceValueOwned After
Mar 2, 2026Grant(A)4K—$04K
Mar 2, 2026Option exercise(M)2K—$07K
Mar 2, 2026Grant(A)34K—$034K
Mar 1, 2026Option exercise(M)842—$02K
Mar 1, 2026Option exercise(M)500—$0500

Transaction Codes

F
Shares withheld for taxes
M
Option exercise / conversion
A
Grant / award

Data Source & Provenance

Parsed from a single SEC EDGAR Form 4 filing (accession 0002063633-26-000002) within minutes of acceptance. Every field above traces to the original document. Verify it directly:

View original filing on SEC.govRaw Form 4 XML