Put Options

3 transactions
Quarter Operation Price Per put puts change puts Held SEC Form
Q1 2022

May 17, 2022

BUY
$4.03 - $12.19 $171,678 - $519,294
42,600 Added 61.03%
112,400 $463,000
Q4 2021

Feb 15, 2022

SELL
$8.76 - $13.71 $894,396 - $1.4 Million
-102,100 Reduced 59.39%
69,800 $898,000
Q3 2021

Nov 16, 2021

BUY
$6.41 - $13.54 $1.1 Million - $2.33 Million
171,900 New
171,900 $1.86 Million

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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