GRTS - Gritstone Bio, Inc. - Insider Stock Trading

Filing Date	T Date	Ticker	Sector	Ind	Industry	Owner	oSt	Rel	Title	T	TVal	Price	Qty	oc	Own	H
12/20/24 16:15	12/18/24	GRTS	Health	BioPrd	Biological Products, (No Diag	Economides Vassiliki	CA	O	EVP,CFO	S	0	0.0150	-12	-5	250	D
5/17/24 21:58	5/16/24	GRTS	Health	BioPrd	Biological Products, (No Diag	Allen Andrew R	CA	DO	P,CEO	S.d	-18	0.7483	-24	-1	2,435	D
5/17/24 21:57	5/16/24	GRTS	Health	BioPrd	Biological Products, (No Diag	Jones Erin	CA	O	EVP,COO	S.d	-10	0.7483	-14	-4	359	D
5/17/24 21:57	5/16/24	GRTS	Health	BioPrd	Biological Products, (No Diag	Jooss Karin	CA	O	See Rema	S.d	-10	0.7483	-14	-2	684	D
5/17/24 21:56	5/16/24	GRTS	Health	BioPrd	Biological Products, (No Diag	Hawryluk Matthew	CA	O	EVP,CHIE	S.d	-7	0.7483	-9	-3	314	D
5/17/24 21:55	5/16/24	GRTS	Health	BioPrd	Biological Products, (No Diag	Economides Vassiliki	CA	O	EVP,CFO	S.d	-10	0.7483	-14	-5	262	D
5/24/23 17:24	5/23/23	GRTS	Health	BioPrd	Biological Products, (No Diag	Economides Vassiliki	CA	O	See Rema	P	23	1.90	12	6	214	D
12/3/21 16:47	12/1/21	GRTS	Health	BioPrd	Biological Products, (No Diag	Jones Erin	CA	O	COO	M.d	0	0.3450	1	2	46	D
12/3/21 16:47	12/1/21	GRTS	Health	BioPrd	Biological Products, (No Diag	Jones Erin	CA	O	COO	S.d	-13	13.01	-1	-2	46	D
12/3/21 16:45	11/1/21	GRTS	Health	BioPrd	Biological Products, (No Diag	Jones Erin	CA	O	COO	M.ad	0	0.3450	1	2	46	D
12/3/21 16:45	11/1/21	GRTS	Health	BioPrd	Biological Products, (No Diag	Jones Erin	CA	O	COO	S.ad	-11	11.14	-1	-2	46	D
12/3/21 16:43	10/1/21	GRTS	Health	BioPrd	Biological Products, (No Diag	Jones Erin	CA	O	See Rema	M.adm	1	0.3450	2	5	46	D
12/3/21 16:43	10/1/21	GRTS	Health	BioPrd	Biological Products, (No Diag	Jones Erin	CA	O	See Rema	S.adm	-21	10.70	-2	-4	46	D
11/19/21 18:20	3/8/21	GRTS	Health	BioPrd	Biological Products, (No Diag	Yelensky Roman	CA	O	See Rema	M.ad	39	0.7590	51	28	235	D
11/19/21 18:06	1/19/21	GRTS	Health	BioPrd	Biological Products, (No Diag	Yelensky Roman	CA	O	See Rema	S.a	-221	22.10	-10	-6	161	D
11/19/21 18:01	9/8/21	GRTS	Health	BioPrd	Biological Products, (No Diag	Jones Erin	CA	O	See Rema	M.ad	1	0.3450	2	5	46	D
11/19/21 18:01	9/8/21	GRTS	Health	BioPrd	Biological Products, (No Diag	Jones Erin	CA	O	See Rema	S.ad	-23	11.37	-2	-4	46	D
11/3/21 16:42	11/1/21	GRTS	Health	BioPrd	Biological Products, (No Diag	Jones Erin	CA	O	See Rema	M.d	0	0.3450	1	5	20	D
11/3/21 16:42	11/1/21	GRTS	Health	BioPrd	Biological Products, (No Diag	Jones Erin	CA	O	See Rema	S.d	-11	11.14	-1	-5	20	D
10/5/21 16:30	10/1/21	GRTS	Health	BioPrd	Biological Products, (No Diag	Jones Erin	CA	O	See Rema	M.dm	1	0.3450	2	11	20	D
10/5/21 16:30	10/1/21	GRTS	Health	BioPrd	Biological Products, (No Diag	Jones Erin	CA	O	See Rema	S.dm	-21	10.70	-2	-9	20	D
9/10/21 16:19	9/8/21	GRTS	Health	BioPrd	Biological Products, (No Diag	Jones Erin	CA	O	See Rema	M.d	1	0.3450	2	11	20	D
9/10/21 16:19	9/8/21	GRTS	Health	BioPrd	Biological Products, (No Diag	Jones Erin	CA	O	See Rema	S.d	-23	11.37	-2	-9	20	D
6/3/21 18:34	5/27/21	GRTS	Health	BioPrd	Biological Products, (No Diag	Rousseau Raphael	CA	O	See Rema	M.d	2	0.7590	3		0	D
6/3/21 18:34	5/27/21	GRTS	Health	BioPrd	Biological Products, (No Diag	Rousseau Raphael	CA	O	See Rema	S.d	-26	9.00	-3	-100	0	D
4/16/21 17:13	3/8/21	GRTS	Health	BioPrd	Biological Products, (No Diag	Yelensky Roman	CA	O	See Rema	M.d	39	0.7590	51	38	184	D
1/21/21 17:11	1/19/21	GRTS	Health	BioPrd	Biological Products, (No Diag	Rousseau Raphael	CA	O	See Rema	M.dm	23	0.7600	30		0	D
1/21/21 17:11	1/19/21	GRTS	Health	BioPrd	Biological Products, (No Diag	Rousseau Raphael	CA	O	See Rema	S.dm	-601	20.04	-30	-100	0	D
1/21/21 17:06	1/19/21	GRTS	Health	BioPrd	Biological Products, (No Diag	Yelensky Roman	CA	O	See Rema	S	-221	22.10	-10	-7	133	D
1/4/21 18:02	12/30/20	GRTS	Health	BioPrd	Biological Products, (No Diag	Woiwode Thomas	CA	D		P	5,000	3.71	1,348	43	4,451	I
8/19/20 19:05	8/17/20	GRTS	Health	BioPrd	Biological Products, (No Diag	Jones Erin	CA	O	See Rema	M.d	3	0.3450	10	100	20	D
8/23/19 16:08	8/21/19	GRTS	Health	BioPrd	Biological Products, (No Diag	Rousseau Raphael	CA	O	See Rema	M.d	8	0.7600	10		0	D
8/23/19 16:08	8/21/19	GRTS	Health	BioPrd	Biological Products, (No Diag	Rousseau Raphael	CA	O	See Rema	S.d	-108	10.76	-10	-100	0	D
3/6/19 20:03	1/29/19	GRTS	Health	BioPrd	Biological Products, (No Diag	Jones Erin	CA	O	See Rema	M.d	3	0.3450	10	New	10	D
10/2/18 17:23	9/28/18	GRTS	Health	BioPrd	Biological Products, (No Diag	Simon Nicholas	MA	DT		P.d	5,000	15.00	333	15	2,567	I
10/2/18 17:20	9/28/18	GRTS	Health	BioPrd	Biological Products, (No Diag	Clarus Lifesciences Iii, L.P.	CA	T		P.d	5,000	15.00	333	15	2,567	D

D	Derivative transaction in filing (usually option exercise)
M	Multiple transactions in filing; earliest reported transaction date and weighted average transaction price
A	Amended filing
E	Error detected in filing

S - Sale	Sale of securities on an exchange or to another person
S - Sale+OE	Sale of securities on an exchange or to another person (after option exercise)
F - Tax	Payment of exercise price or tax liability using portion of securities received from the company
P - Purchase	Purchase of securities on an exchange or from another person

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