Gritstone Bio, Inc. (GRTS)

Number of records: 50
SEC FilingInsiderCompanyTrade DateTransactionSharesAvg. PriceTotal% HoldingsReturn
26-Jun-24 9:25 PM
View: 
Allen Andrew R
President and CEO
Director
Gritstone Bio, Inc. (GRTS) 24-Jun-24Gift 325,000----(11%)
3.08M to 2.76M
26-Jun-24 9:25 PM
View: 
Allen Andrew R
President and CEO
Director
Gritstone Bio, Inc. (GRTS) 24-Jun-24Gift 325,000----(12%)
2.76M to 2.43M
17-May-24 9:57 PM
View: 
Jooss Karin
See Remarks
Gritstone Bio, Inc. (GRTS) 16-May-24Sale 13,749$0.75$10,288.40(2%)
697.27K to 683.53K
17-May-24 9:55 PM
View: 
Economides Vassiliki
EVP, CHIEF FINANCIAL OFFICER
Gritstone Bio, Inc. (GRTS) 16-May-24Sale 13,749$0.75$10,288.40(5%)
276.19K to 262.44K
17-May-24 9:57 PM
View: 
Jones Erin
EVP, CHIEF OPERATING OFFICER
Gritstone Bio, Inc. (GRTS) 16-May-24Sale 13,749$0.75$10,288.40(4%)
373.04K to 359.29K
17-May-24 9:58 PM
View: 
Allen Andrew R
President and CEO
Director
Gritstone Bio, Inc. (GRTS) 16-May-24Sale 24,263$0.75$18,156.00(< 1%)
2.46M to 2.43M
17-May-24 9:56 PM
View: 
Hawryluk Matthew
EVP, CHIEF BUSINESS OFFICER
Gritstone Bio, Inc. (GRTS) 16-May-24Sale 9,259$0.75$6,928.51(3%)
323.19K to 313.93K
17-May-24 9:58 PM
View: 
Allen Andrew R
President and CEO
Director
Gritstone Bio, Inc. (GRTS) 15-May-24Grant 47,873----2%
2.41M to 2.46M
17-May-24 9:57 PM
View: 
Jooss Karin
See Remarks
Gritstone Bio, Inc. (GRTS) 15-May-24Grant 27,128----4%
670.15K to 697.27K
17-May-24 9:55 PM
View: 
Economides Vassiliki
EVP, CHIEF FINANCIAL OFFICER
Gritstone Bio, Inc. (GRTS) 15-May-24Grant 27,128----11%
249.06K to 276.19K
17-May-24 9:57 PM
View: 
Jones Erin
EVP, CHIEF OPERATING OFFICER
Gritstone Bio, Inc. (GRTS) 15-May-24Grant 27,128----8%
345.91K to 373.04K
17-May-24 9:56 PM
View: 
Hawryluk Matthew
EVP, CHIEF BUSINESS OFFICER
Gritstone Bio, Inc. (GRTS) 15-May-24Grant 19,149----6%
304.04K to 323.19K
17-May-24 9:54 PM
View: 
Cho James
SVP, CHIEF ACCOUNTING OFFICER
Gritstone Bio, Inc. (GRTS) 03-May-24Grant 10,800----7%
144.32K to 155.12K
05-Feb-24 7:08 PM
View: 
Jooss Karin
See Remarks
Gritstone Bio, Inc. (GRTS) 01-Feb-24Grant 40,000----7%
608.85K to 648.85K
05-Feb-24 7:14 PM
View: 
Economides Vassiliki
EVP, CHIEF FINANCIAL OFFICER
Gritstone Bio, Inc. (GRTS) 01-Feb-24Grant 35,000----18%
192.76K to 227.76K
05-Feb-24 7:18 PM
View: 
Jones Erin
EVP, CHIEF OPERATING OFFICER
Gritstone Bio, Inc. (GRTS) 01-Feb-24Grant 40,000----14%
284.62K to 324.62K
05-Feb-24 7:22 PM
View: 
Hawryluk Matthew
EVP, CHIEF BUSINESS OFFICER
Gritstone Bio, Inc. (GRTS) 01-Feb-24Grant 35,000----14%
251.88K to 286.88K
05-Feb-24 7:03 PM
View: 
Cho James
SVP, CHIEF ACCOUNTING OFFICER
Gritstone Bio, Inc. (GRTS) 01-Feb-24Grant 18,000----15%
120.64K to 138.64K
05-Feb-24 6:57 PM
View: 
Allen Andrew R
President and CEO
Director
Gritstone Bio, Inc. (GRTS) 01-Feb-24Grant 105,000----5%
2.24M to 2.35M
24-May-23 5:24 PM
View: 
Economides Vassiliki
See Remarks
Gritstone Bio, Inc. (GRTS) 23-May-23Private Purchase 12,000$1.90$22,828.806%
202.06K to 214.06K
06-Feb-23 5:31 PM
View: 
Jones Erin
See Remarks
Gritstone Bio, Inc. (GRTS) 02-Feb-23Grant 252,845----476%
53.07K to 305.91K
06-Feb-23 5:26 PM
View: 
Allen Andrew R
President and CEO
Director
Gritstone Bio, Inc. (GRTS) 02-Feb-23Grant 738,550----47%
1.57M to 2.31M
06-Feb-23 5:28 PM
View: 
Economides Vassiliki
See Remarks
Gritstone Bio, Inc. (GRTS) 02-Feb-23Grant 179,058----779%
23.0K to 202.06K
06-Feb-23 5:29 PM
View: 
Hawryluk Matthew
See Remarks
Gritstone Bio, Inc. (GRTS) 02-Feb-23Grant 191,771----339%
56.54K to 248.31K
06-Feb-23 5:27 PM
View: 
Cho James
Chief Accounting Officer
Gritstone Bio, Inc. (GRTS) 02-Feb-23Grant 64,515----138%
46.89K to 111.41K
06-Feb-23 5:32 PM
View: 
Jooss Karin
See Remarks
Gritstone Bio, Inc. (GRTS) 02-Feb-23Grant 252,763----67%
377.38K to 630.15K
20-Apr-22 4:20 PM
View: 
Allen Andrew R
President and CEO
Director
Gritstone Bio, Inc. (GRTS) 31-Jan-22Grant 70,000----5%
1.5M to 1.57M
20-Apr-22 4:29 PM
View: 
Economides Vassiliki
EVP & CFO
Gritstone Bio, Inc. (GRTS) 31-Jan-22Grant 23,000----100%
0 to 23.0K
20-Apr-22 4:43 PM
View: 
Thompson Rahsaan
EVP and General Counsel
Gritstone Bio, Inc. (GRTS) 31-Jan-22Grant 19,240----49%
39.46K to 58.7K
20-Apr-22 4:32 PM
View: 
Hawryluk Matthew
See Remarks
Gritstone Bio, Inc. (GRTS) 31-Jan-22Grant 21,612----68%
31.74K to 53.35K
20-Apr-22 4:24 PM
View: 
Cho James
Chief Accounting Officer
Gritstone Bio, Inc. (GRTS) 31-Jan-22Grant 4,400----11%
39.1K to 43.51K
20-Apr-22 4:38 PM
View: 
Jones Erin
Chief Operating Officer
Gritstone Bio, Inc. (GRTS) 31-Jan-22Grant 27,169----105%
25.9K to 53.07K
20-Apr-22 4:40 PM
View: 
Jooss Karin
See Remarks
Gritstone Bio, Inc. (GRTS) 31-Jan-22Grant 27,600----8%
349.78K to 377.38K
03-Dec-21 4:47 PM
View: 
Jones Erin
Chief Operating Officer
Gritstone Bio, Inc. (GRTS) 01-Dec-21Option Exercise 1,000$0.34$345.002%
45.9K to 46.9K
03-Dec-21 4:47 PM
View: 
Jones Erin
Chief Operating Officer
Gritstone Bio, Inc. (GRTS) 01-Dec-21Market Option Sale (Planned) 1,000$13.01$13,010.00(2%)
46.9K to 45.9K
03-Nov-21 4:42 PM
View: 
Jones Erin
Chief Operating Officer
Gritstone Bio, Inc. (GRTS) 01-Nov-21Market Option Sale (Planned) 1,000$11.14$11,140.00(5%)
21.0K to 20.0K
03-Nov-21 4:42 PM
View: 
Jones Erin
Chief Operating Officer
Gritstone Bio, Inc. (GRTS) 01-Nov-21Option Exercise 1,000$0.34$345.005%
20.0K to 21.0K
05-Oct-21 4:30 PM
View: 
Jones Erin
See Remarks
Gritstone Bio, Inc. (GRTS) 04-Oct-21Option Exercise 1,000$0.34$345.005%
20.0K to 21.0K
05-Oct-21 4:30 PM
View: 
Jones Erin
See Remarks
Gritstone Bio, Inc. (GRTS) 04-Oct-21Market Option Sale (Planned) 1,000$10.71$10,710.00(5%)
21.0K to 20.0K
05-Oct-21 4:30 PM
View: 
Jones Erin
See Remarks
Gritstone Bio, Inc. (GRTS) 01-Oct-21Option Exercise 1,000$0.34$345.005%
20.0K to 21.0K
05-Oct-21 4:30 PM
View: 
Jones Erin
See Remarks
Gritstone Bio, Inc. (GRTS) 01-Oct-21Market Option Sale (Planned) 1,000$10.68$10,680.00(5%)
21.0K to 20.0K
10-Sep-21 4:19 PM
View: 
Jones Erin
See Remarks
Gritstone Bio, Inc. (GRTS) 08-Sep-21Option Exercise 2,000$0.34$690.0010%
20.0K to 22.0K
10-Sep-21 4:19 PM
View: 
Jones Erin
See Remarks
Gritstone Bio, Inc. (GRTS) 08-Sep-21Market Option Sale (Planned) 2,000$11.37$22,747.60(9%)
22.0K to 20.0K
03-Jun-21 6:34 PM
View: 
Rousseau Raphael
See Remarks
Gritstone Bio, Inc. (GRTS) 27-May-21Market Option Sale 2,900$9.00$26,111.60(100%)
2.9K to 0
03-Jun-21 6:34 PM
View: 
Rousseau Raphael
See Remarks
Gritstone Bio, Inc. (GRTS) 27-May-21Option Exercise 2,900$0.76$2,201.10100%
0 to 2.9K
16-Apr-21 10:00 PM
View: 
Yelensky Roman
See Remarks
Gritstone Bio, Inc. (GRTS) 08-Mar-21Option Exercise 50,724$0.76$38,499.5038%
133.22K to 183.95K
21-Jan-21 5:11 PM
View: 
Rousseau Raphael
See Remarks
Gritstone Bio, Inc. (GRTS) 20-Jan-21Option Exercise 10,000$0.76$7,600.00100%
0 to 10.0K
21-Jan-21 5:11 PM
View: 
Rousseau Raphael
See Remarks
Gritstone Bio, Inc. (GRTS) 20-Jan-21Market Option Sale (Planned) 10,000$25.07$250,705.00(100%)
10.0K to 0
21-Jan-21 5:11 PM
View: 
Rousseau Raphael
See Remarks
Gritstone Bio, Inc. (GRTS) 19-Jan-21Option Exercise 20,000$0.76$15,200.00100%
0 to 20.0K
21-Jan-21 5:06 PM
View: 
Yelensky Roman
See Remarks
Gritstone Bio, Inc. (GRTS) 19-Jan-21Market Sale 10,000$22.10$221,029.00(7%)
143.22K to 133.22K
(15%)