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Home/Filings/4/A/0001567619-21-021600

4/A//SEC Filing

Jones Erin 4/A

Accession 0001567619-21-021600

CIK 0001656634other

View on SEC.gov Company Profile

Filed

Dec 2, 7:00 PM ET

Accepted

Dec 3, 4:43 PM ET

Size

13.8 KB

Accession

0001567619-21-021600

Insider Transaction Report

Form 4/AAmended

Period: 2021-10-01

Gritstone bio, Inc.GRTS

See Remarks

Transactions

Sale
Common Stock
2021-10-04$10.71/sh−1,000$10,710→ 45,900 total
Exercise/Conversion
Stock Option (Right to Buy)
2021-10-01−1,000→ 34,971 total
Exercise: $0.34Exp: 2026-05-17→ Common Stock (1,000 underlying)
Exercise/Conversion
Common Stock
2021-10-01$0.34/sh+1,000$345→ 46,900 total
Exercise/Conversion
Common Stock
2021-10-04$0.34/sh+1,000$345→ 46,900 total
Sale
Common Stock
2021-10-01$10.68/sh−1,000$10,680→ 45,900 total
Exercise/Conversion
Stock Option (Right to Buy)
2021-10-04−1,000→ 33,971 total
Exercise: $0.34Exp: 2026-05-17→ Common Stock (1,000 underlying)

Footnotes (3)

[F1]The transaction was made pursuant to a 10b5-1 plan in effect at the time of the transaction.
[F2]Includes 25,900 Restricted Stock Units which are subject to vesting.
[F3]Fully exercisable.

Documents

1 file

4
doc1.xml
FORM 4/A

Issuer

Gritstone bio, Inc.

CIK 0001656634

Entity typeother

Related Parties

1

filerCIK 0001754278

Filing Metadata

Form type: 4/A
Filed: Dec 2, 7:00 PM ET
Accepted: Dec 3, 4:43 PM ET
Size: 13.8 KB

View on SEC.gov