Call Options

12 transactions
Quarter Operation Price Per call calls change calls Held SEC Form
Q3 2024

Nov 14, 2024

SELL
$0.45 - $0.71 $7,020 - $11,076
-15,600 Reduced 4.55%
327,100 $189,000
Q2 2024

Aug 15, 2024

SELL
$0.62 - $2.35 $89,838 - $340,515
-144,900 Reduced 29.72%
342,700 $212,000
Q1 2024

May 07, 2024

BUY
$1.96 - $2.9 $721,672 - $1.07 Million
368,200 Added 308.38%
487,600 $1.25 Million
Q4 2023

Feb 14, 2024

BUY
$1.28 - $2.85 $152,832 - $340,290
119,400 New
119,400 $243,000
Q2 2023

Aug 11, 2023

BUY
$1.66 - $3.03 $73,206 - $133,623
44,100 New
44,100 $85,000
Q3 2022

Nov 14, 2022

BUY
$2.46 - $4.75 $91,020 - $175,750
37,000 Added 195.77%
55,900 $144,000
Q2 2022

Aug 15, 2022

SELL
$1.77 - $4.34 $97,350 - $238,700
-55,000 Reduced 74.42%
18,900 $46,000
Q1 2022

May 16, 2022

SELL
$4.03 - $12.19 $208,754 - $631,442
-51,800 Reduced 41.21%
73,900 $304,000
Q4 2021

Feb 14, 2022

SELL
$8.76 - $13.71 $326,748 - $511,383
-37,300 Reduced 22.88%
125,700 $1.62 Million
Q3 2021

Nov 15, 2021

BUY
$6.41 - $13.54 $888,426 - $1.88 Million
138,600 Added 568.03%
163,000 $1.76 Million
Q2 2021

Aug 11, 2021

BUY
$8.13 - $10.2 $110,568 - $138,720
13,600 Added 125.93%
24,400 $223,000
Q1 2021

May 17, 2021

BUY
$4.07 - $27.11 $43,956 - $292,788
10,800 New
10,800 $102,000

Others Institutions Holding GRTS

About Gritstone bio, Inc.


  • 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 ...
More about GRTS
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