LIVE FROM THE DATABASETRANSACTIONS 574,106COMPANIES 6,361LATEST TRADE Oct 16UPDATED Oct 18, 01:14 AM

GRTSCIK 0001656634

Gritstone bio, Inc.

Name: Insider trading in Gritstone bio, Inc. (GRTS)
Creator: Insidervault
License: https://www.sec.gov/search-filings/edgar-search-assistance/accessing-edgar-data

39 transactions by 8 insiders, from April 4, 2025 to April 4, 2025.

Transactions: 398 insiders
Bought · P: Nonenobody bought on the open market
Sold · S: Nonenobody sold on the open market
Net: +$0net buying

Officers and directors

People inside the company. What they do with their own shares is the reason this data exists.

Insider	Trades	Planned	Bought	Sold
Rizvi NaiyerDir	8	—	—	—
Jones Elaine VDir	6	—	—	—
Cho JamesCAO	6	—	—	—
Agarwal ShefaliDir	5	—	—	—
Economides VassilikiCFO	4	—	—	—
Fisher ClareDir	4	—	—	—
Corey LawrenceDir	3	—	—	—
Webster Stephen WDir	3	—	—	—

All transactions

39 in total, newest filings first.

Insider	Date	Code	Shares	Price	Value	Held after
Rizvi NaiyerDirDERIV	Apr 4	J	4,347	$0.00	—?	0derivatives
Rizvi NaiyerDirDERIV	Apr 4	J	10,000	$0.00	—?	0derivatives
Rizvi NaiyerDirDERIV	Apr 4	J	937	$0.00	—?	0derivatives
Rizvi NaiyerDirDERIV	Apr 4	J	38,000	$0.00	—?	0derivatives
Rizvi NaiyerDirDERIV	Apr 4	J	7,500	$0.00	—?	0derivatives
Rizvi NaiyerDirDERIV	Apr 4	J	19,000	$0.00	—?	0derivatives
Rizvi NaiyerDirDERIV	Apr 4	J	51,800	$0.00	—?	0derivatives
Rizvi NaiyerDirDERIV	Apr 4	J	51,800	$0.00	—?	0derivatives
Jones Elaine VDirDERIV	Apr 4	J	15,942	$0.00	—?	0derivatives
Jones Elaine VDirDERIV	Apr 4	J	12,500	$0.00	—?	0derivatives
Jones Elaine VDirDERIV	Apr 4	J	19,000	$0.00	—?	0derivatives
Jones Elaine VDirDERIV	Apr 4	J	19,000	$0.00	—?	0derivatives
Jones Elaine VDirDERIV	Apr 4	J	51,800	$0.00	—?	0derivatives
Jones Elaine VDirDERIV	Apr 4	J	51,800	$0.00	—?	0derivatives
Webster Stephen WDirDERIV	Apr 4	J	7,379	$0.00	—?	0derivatives
Webster Stephen WDirDERIV	Apr 4	J	103,600	$0.00	—?	0derivatives
Webster Stephen WDir	Apr 4	J	25,000	$0.00	—	0
Fisher ClareDirDERIV	Apr 4	J	51,800	$0.00	—?	0derivatives
Fisher ClareDirDERIV	Apr 4	J	51,800	$0.00	—?	0derivatives
Fisher ClareDirDERIV	Apr 4	J	8,693	$0.00	—?	0derivatives
Fisher ClareDirDERIV	Apr 4	J	38,000	$0.00	—?	0derivatives
Economides VassilikiCFODERIV	Apr 4	J	138,000	$0.00	—?	0derivatives
Economides VassilikiCFODERIV	Apr 4	J	215,000	$0.00	—?	0derivatives
Economides VassilikiCFODERIV	Apr 4	J	215,000	$0.00	—?	0derivatives
Economides VassilikiCFO	Apr 4	J	250,437	$0.00	—	0
Corey LawrenceDirDERIV	Apr 4	J	38,000	$0.00	—?	0derivatives
Corey LawrenceDirDERIV	Apr 4	J	51,800	$0.00	—?	0derivatives
Corey LawrenceDirDERIV	Apr 4	J	51,800	$0.00	—?	0derivatives
Cho JamesCAODERIV	Apr 4	J	40,000	$0.00	—?	0derivatives
Cho JamesCAODERIV	Apr 4	J	25,000	$0.00	—?	0derivatives
Cho JamesCAODERIV	Apr 4	J	26,300	$0.00	—?	0derivatives
Cho JamesCAODERIV	Apr 4	J	65,400	$0.00	—?	0derivatives
Cho JamesCAODERIV	Apr 4	J	109,000	$0.00	—?	0derivatives
Cho JamesCAO	Apr 4	J	155,123	$0.00	—	0
Agarwal ShefaliDirDERIV	Apr 4	J	19,000	$0.00	—?	0derivatives
Agarwal ShefaliDirDERIV	Apr 4	J	937	$0.00	—?	0derivatives
Agarwal ShefaliDirDERIV	Apr 4	J	38,000	$0.00	—?	0derivatives
Agarwal ShefaliDirDERIV	Apr 4	J	51,800	$0.00	—?	0derivatives
Agarwal ShefaliDirDERIV	Apr 4	J	51,800	$0.00	—?	0derivatives