David A. Siegel Gritstone Bio, Inc. Transaction History

Two Sigma Advisers, LP

7 transactions

Quarter	Operation	Price Per share	shares change	shares Held
Q4 2021 Feb 14, 2022	SELL	$8.76 - $13.71 $1.07 Million - $1.68 Million	-122,700 Closed	0 $0
Q3 2021 Nov 15, 2021	SELL	$6.41 - $13.54 $1.24 Million - $2.63 Million	-194,100 Reduced 61.27%	122,700 $1.33 Million
Q2 2021 Aug 16, 2021	BUY	$8.13 - $10.2 $2.12 Million - $2.65 Million	260,200 Added 459.72%	316,800 $2.89 Million
Q1 2021 May 17, 2021	BUY	$4.07 - $27.11 $230,362 - $1.53 Million	56,600 New	56,600 $534,000
Q4 2020 Feb 16, 2021	SELL	$2.57 - $4.22 $110,510 - $181,460	-43,000 Closed	0 $0
Q3 2020 Nov 16, 2020	BUY	$2.63 - $8.09 $41,817 - $128,631	15,900 Added 58.67%	43,000 $114,000
Q2 2020 Aug 14, 2020	BUY	$5.69 - $8.17 $154,199 - $221,407	27,100 New	27,100 $180,000

35.4M

395K

132K

Ticker GRTS
Exchange NASDAQ
Sector Healthcare
Industry Biotechnology
Shares Outstandng 73,006,896
Market Cap $2.19M
Description
Gritstone bio, Inc., a clinical-stage biotechnology company, engages in developing immunotherapies against multiple cancer types and infectious diseases. Its lead product candidate is GRANITE, a neoantigen-based immunotherapy for the treatment of solid tumors, including metastatic non-small cell lung cancer, as well as gastroesophageal, bladder ...

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