GRTS Insider Trading

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Insider Trading History
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Notice: This stock is marked as potentially delisted. It may not be actively trading.

Insider Ownership Percentage: 4.61%

Insider Buying (Last 12 Months): $0.00

Insider Selling (Last 12 Months): $35,453.25

Gritstone bio Insider Trading History Chart

Gritstone bio Share Price & Price History

^$0.00

+0.30 (1.20%)

As of 10/21/2024 10:03 PM ET

Gritstone bio Insider Trading History

Transaction Date	Insider Name	Title	Buy/Sell	Number of Shares	Average Share Price	Total Transaction	Shares Held After Transaction
5/16/2024	Andrew R Allen	CEO	Sell	24,263	$0.75	$18,197.25	985,360
5/16/2024	Erin E. Jones	COO	Sell	13,749	$0.75	$10,311.75	359,293
5/16/2024	Matthew Hawryluk	EVP	Sell	9,259	$0.75	$6,944.25	313,931
5/23/2023	Vassiliki Economides	Insider	Buy	12,000	$1.90	$22,800.00	214,058

SEC Filings (Institutional Ownership Changes) for Gritstone bio (NASDAQ:GRTS)

48.46% of Gritstone bio stock is owned by institutions. Institutional ownership can be a sign of analyst confidence in the fundamentals of the stock.

Institutional Buying and Selling by Quarter

Gritstone bio Institutional Trading History

Reporting Date	Hedge Fund	Shares Held	Market Value	% of Portfolio	Quarterly Change in Shares	Ownership in Company
11/13/2024	FMR LLC	432,220	$0.25M	0.0%	-73.1%	0.398%
9/16/2024	Point72 DIFC Ltd	47,648	$29K	0.0%	N/A	0.044%
9/16/2024	Point72 Asia Singapore Pte. Ltd.	155,915	$96K	0.0%	N/A	0.144%
8/15/2024	Point72 Asia Singapore Pte. Ltd.	155,915	$96K	0.0%	N/A	0.144%
8/14/2024	Point72 DIFC Ltd	47,648	$29K	0.0%	N/A	0.044%
8/9/2024	Dimensional Fund Advisors LP	199,558	$0.12M	0.0%	-30.4%	0.184%
8/5/2024	Victory Capital Management Inc.	553,150	$0.34M	0.0%	+4,598.5%	0.509%
7/30/2024	Forum Financial Management LP	250,000	$0.15M	0.0%	+63.1%	0.230%
5/17/2024	Artal Group S.A.	1,030,952	$2.65M	0.1%	N/A	0.950%
5/17/2024	Tidal Investments LLC	24,536	$63K	0.0%	N/A	0.023%
5/16/2024	Redmile Group LLC	5,755,075	$14.79M	0.5%	-2.0%	5.301%
5/15/2024	Lazard Asset Management LLC	27,461	$70K	0.0%	N/A	0.025%
5/10/2024	Vanguard Group Inc.	4,733,791	$12.17M	0.0%	+7.2%	4.419%
5/7/2024	Susquehanna Fundamental Investments LLC	247,607	$0.64M	0.0%	N/A	0.231%
5/7/2024	SG Americas Securities LLC	23,811	$61K	0.0%	-39.1%	0.022%
5/1/2024	BNP Paribas Financial Markets	46,237	$0.12M	0.0%	+85.2%	0.047%
5/1/2024	Klingman & Associates LLC	34,786	$89K	0.0%	N/A	0.035%
2/15/2024	Frazier Life Sciences Management L.P.	1,030,878	$2.10M	0.1%	-28.0%	1.081%
2/8/2024	Panagora Asset Management Inc.	201,439	$0.41M	0.0%	-4.9%	0.211%
2/7/2024	Forum Financial Management LP	90,000	$0.18M	0.0%	+405.6%	0.094%
1/17/2024	Twin Peaks Wealth Advisors LLC	40,314	$82K	0.1%	N/A	0.042%
1/16/2024	Raymond James Financial Services Advisors Inc.	22,073	$45K	0.0%	-13.7%	0.023%
1/12/2024	SkyOak Wealth LLC	36,640	$75K	0.0%	-39.8%	0.038%
11/15/2023	Redmile Group LLC	8,509,126	$14.64M	0.7%	+24.0%	8.925%
11/14/2023	Avidity Partners Management LP	2,733,800	$4.70M	0.2%	-1.1%	2.867%
11/9/2023	Houlihan Financial Resource Group Ltd.	20,000	$38K	0.0%	-94.4%	0.021%
11/6/2023	Assenagon Asset Management S.A.	867,233	$1.49M	0.0%	-30.5%	0.932%
11/6/2023	Forum Financial Management LP	17,799	$31K	0.0%	+78.0%	0.019%
10/31/2023	Panagora Asset Management Inc.	211,789	$0.36M	0.0%	+84.2%	0.228%
10/24/2023	Bank of New York Mellon Corp	272,783	$0.47M	0.0%	-5.9%	0.293%
10/24/2023	SkyOak Wealth LLC	60,875	$0.11M	0.0%	-18.1%	0.065%
10/13/2023	SG Americas Securities LLC	42,240	$73K	0.0%	N/A	0.045%
9/21/2023	Barclays PLC	38,662	$75K	0.0%	-46.8%	0.042%
8/14/2023	Artia Global Partners LP	95,170	$0.19M	0.1%	N/A	0.102%
8/14/2023	Graham Capital Management L.P.	36,991	$72K	0.0%	N/A	0.040%
8/11/2023	Panagora Asset Management Inc.	114,999	$0.22M	0.0%	N/A	0.129%
8/4/2023	American International Group Inc.	42,245	$82K	0.0%	N/A	0.048%
8/2/2023	Houlihan Financial Resource Group Ltd.	360,000	$0.82M	0.0%	N/A	0.405%
7/25/2023	Assenagon Asset Management S.A.	1,248,264	$2.43M	0.0%	-18.9%	1.404%
7/20/2023	SkyOak Wealth LLC	74,295	$0.15M	0.0%	-41.4%	0.084%
6/1/2023	Prelude Capital Management LLC	10,169	$28K	0.0%	N/A	0.011%
5/9/2023	Y Intercept Hong Kong Ltd	16,459	$46K	0.0%	N/A	0.019%
5/3/2023	Jump Financial LLC	36,918	$0.10M	0.0%	+130.2%	0.042%
5/3/2023	Integrated Wealth Concepts LLC	12,021	$33K	0.0%	N/A	0.014%
4/19/2023	Forum Financial Management LP	10,000	$28K	0.0%	N/A	0.011%
4/18/2023	Assenagon Asset Management S.A.	1,538,368	$4.28M	0.0%	-20.9%	1.755%
4/18/2023	ETF Managers Group LLC	27,912	$78K	0.0%	+34.3%	0.032%
2/15/2023	Endurant Capital Management LP	282,935	$0.98M	0.4%	N/A	0.339%
2/14/2023	683 Capital Management LLC	61,761	$0.21M	0.0%	N/A	0.074%
2/13/2023	Artal Group S.A.	1,856,194	$6.40M	0.4%	+147.5%	2.226%
2/9/2023	Citigroup Inc.	139,051	$0.48M	0.0%	+4,253.5%	0.167%
2/8/2023	Russell Investments Group Ltd.	60,597	$0.21M	0.0%	-7.4%	0.073%
2/3/2023	Frazier Life Sciences Management L.P.	5,162,348	$17.81M	1.1%	-1.4%	6.192%
1/26/2023	SkyOak Wealth LLC	129,288	$0.45M	0.1%	-2.7%	0.155%
1/12/2023	Assenagon Asset Management S.A.	1,945,700	$6.71M	0.0%	+154.6%	2.334%
11/15/2022	Caxton Associates LP	95,190	$0.25M	0.0%	N/A	0.114%
11/14/2022	Ergoteles LLC	58,700	$0.15M	0.0%	-76.2%	0.070%
11/10/2022	Connor Clark & Lunn Investment Management Ltd.	123,822	$0.32M	0.0%	+642.3%	0.149%
11/7/2022	Virtu Financial LLC	51,861	$0.13M	0.0%	+205.1%	0.071%
11/4/2022	Vontobel Holding Ltd.	50,000	$0.13M	0.0%	N/A	0.069%
11/4/2022	Russell Investments Group Ltd.	65,412	$0.17M	0.0%	-5.3%	0.090%
10/27/2022	Assenagon Asset Management S.A.	764,070	$1.96M	0.0%	-22.9%	1.049%
8/12/2022	Ensign Peak Advisors Inc	120,527	$0.29M	0.0%	-14.2%	0.166%
8/12/2022	Rafferty Asset Management LLC	49,437	$0.12M	0.0%	-75.2%	0.068%
8/5/2022	Connor Clark & Lunn Investment Management Ltd.	16,681	$40K	0.0%	N/A	0.023%
7/29/2022	Russell Investments Group Ltd.	69,040	$0.17M	0.0%	-19.2%	0.095%
7/27/2022	Assenagon Asset Management S.A.	991,472	$2.40M	0.0%	N/A	1.362%
7/26/2022	SkyOak Wealth LLC	132,851	$0.32M	0.1%	-21.7%	0.182%
7/25/2022	Institute for Wealth Management LLC.	13,221	$32K	0.0%	N/A	0.018%
7/19/2022	Key Client Fiduciary Advisors LLC	10,229	$25K	0.0%	N/A	0.014%
5/16/2022	Palo Alto Investors LP	2,330,504	$9.60M	0.7%	-1.1%	3.201%
5/16/2022	Pinz Capital Management LP	280,000	$1.15M	0.7%	N/A	0.385%
5/16/2022	Deep Track Capital LP	2,985,729	$12.30M	0.8%	+68.5%	4.101%
5/16/2022	Frazier Life Sciences Management L.P.	5,237,348	$21.58M	1.8%	N/A	7.193%
5/12/2022	Running Point Capital Advisors LLC	10,000	$41K	0.0%	N/A	0.014%
5/11/2022	ACT Capital Management LLC	47,500	$0.20M	0.2%	+18.8%	0.065%
5/11/2022	DG Capital Management LLC	50,000	$0.21M	0.0%	N/A	0.069%
5/11/2022	GSA Capital Partners LLP	30,939	$0.13M	0.0%	N/A	0.042%
5/10/2022	Steel Peak Wealth Management LLC	10,859	$45K	0.0%	N/A	0.015%
5/10/2022	Fox Run Management L.L.C.	15,067	$62K	0.0%	+48.0%	0.021%
5/9/2022	Qube Research & Technologies Ltd	243,786	$1M	0.0%	N/A	0.335%
4/28/2022	DekaBank Deutsche Girozentrale	55,000	$0.23M	0.0%	+10.0%	0.076%
4/20/2022	Belvedere Trading LLC	25,134	$85K	0.0%	+14.7%	0.035%
4/18/2022	SkyOak Wealth LLC	169,736	$0.70M	0.2%	+538.6%	0.233%
2/14/2022	Itau Unibanco Holding S.A.	4,058	$53K	0.0%	N/A	0.006%
2/14/2022	Virtus ETF Advisers LLC	14,346	$0.18M	0.1%	-31.2%	0.021%
2/14/2022	Redmile Group LLC	3,429,171	$44.10M	1.0%	+21.6%	5.044%
2/14/2022	Corton Capital Inc.	21,301	$0.27M	0.1%	N/A	0.031%
2/14/2022	Deep Track Capital LP	1,771,801	$22.79M	1.6%	N/A	2.606%
2/14/2022	Eversept Partners LP	170,125	$2.19M	0.2%	N/A	0.250%
2/14/2022	ETF Managers Group LLC	20,646	$0.27M	0.0%	N/A	0.030%
2/11/2022	Ensign Peak Advisors Inc	140,527	$1.81M	0.0%	+39.8%	0.207%
2/10/2022	Rafferty Asset Management LLC	469,239	$6.03M	0.0%	N/A	0.690%
2/10/2022	Citigroup Inc.	215,726	$2.77M	0.0%	+4,586.6%	0.317%
2/10/2022	Acadian Asset Management LLC	447,611	$5.76M	0.0%	-26.0%	0.658%
2/10/2022	Panagora Asset Management Inc.	10,987	$0.14M	0.0%	-88.2%	0.016%
2/10/2022	Connor Clark & Lunn Investment Management Ltd.	130,622	$1.68M	0.0%	N/A	0.192%
2/9/2022	BNP Paribas Arbitrage SA	16,997	$0.22M	0.0%	+87.4%	0.025%
2/9/2022	Alps Advisors Inc.	78,678	$1.01M	0.0%	N/A	0.116%
2/9/2022	Dimensional Fund Advisors LP	225,003	$2.89M	0.0%	+26.3%	0.331%

Data available starting January 2016

See Full Table

Gritstone bio, Inc., a clinical-stage biotechnology company, engages in developing vaccine-based immunotherapy candidates against cancer and infectious diseases. Its primary product candidate is GRANITE, an individualized immunotherapy candidate, which is in Phase 2/3 clinical trials for the treatment of microsatellite stable colorectal cancers; and has completed Phase 1/2 clinical trials for treating solid tumors. The company is also developing SLATE, an off-the-shelf immunotherapy candidate, which is in Phase 2 clinical trials for the treatment of metastatic solid tumors. In addition, it develops CORAL, a COVID-19 vaccine program; and a therapeutic vaccine candidate that is in Phase 1 clinical trials designed to treat and cure human immunodeficiency virus (HIV) infection. Gritstone bio, Inc. has a strategic collaboration with bluebird bio, Inc.; collaboration agreement with Gilead Sciences, Inc.; and license agreement with Genevant Sciences GmbH. The company was formerly known as Gritstone Oncology, Inc. and changed its name to Gritstone bio, Inc. in May 2021. Gritstone bio, Inc. was incorporated in 2015 and is headquartered in Emeryville, California.

Today's Range

Now: N/A

50 Day Range

MA: $0.35

$0.03

$0.63

52 Week Range

Now: N/A

Volume

61,017,902 shs

Average Volume

7,014,435 shs

Market Capitalization

$3.50 million

P/E Ratio

N/A

Dividend Yield

N/A

Beta

0.49

Who are the company insiders with the largest holdings of Gritstone bio?: Gritstone bio's top insider shareholders include:
Andrew R Allen (CEO)
Erin Jones (COO)
Matthew Hawryluk (EVP)
Vassiliki Economides (Insider)
Learn More about top insider investors at Gritstone bio.