Arkolith/Insider Trading/GRTS/Form 4

Cho James

SVP, CHIEF ACCOUNTING OFFICERGritstone bio, Inc. (GRTS) · full profile →Form 4 · filed Apr 8, 2025
No Open-Market Flow
Open-Market Buys
$0
Open-Market Sells
$0
Net Open-Market Flow
$0
Transactions
6
1 non-derivative · 5 derivative

Non-Derivative Transactions (Table I)

DateActionSharesPriceValueOwned After
Apr 4, 2025Other(J)155K—$00

Derivative Transactions (Table II)

DateActionSharesPriceValueOwned After
Apr 4, 2025Other(J)65K—$00
Apr 4, 2025Other(J)109K—$00
Apr 4, 2025Other(J)26K—$00
Apr 4, 2025Other(J)25K—$00
Apr 4, 2025Other(J)40K—$00

Transaction Codes

J
Other acquisition / disposition

Data Source & Provenance

Parsed from a single SEC EDGAR Form 4 filing (accession 0001415889-25-010440) within minutes of acceptance. Every field above traces to the original document. Verify it directly:

View original filing on SEC.govRaw Form 4 XML