Insider Transactions Reported by 20 Insiders of Gritstone bio, Inc.

Location
Emeryville, CA

There are no Buy or Sell transactions made by insiders since 13 Mar 2025

Gritstone bio, Inc. executives and other stock owners filed with the SEC include:

Name Relationship Holdings Value Past Year Net Change Change % Report Date
Andrew R. Allen PRESIDENT AND CEO, Director $1,821,838 24 Jun 2024
Karin Jooss EVP, Head of Research and Development $511,483 15 May 2024
Roman Yelensky Executive Vice President and Chief Technology Officer $446,440 08 Mar 2021
James Cho Svp, Chief Accounting Officer $295,106 04 Apr 2025
Erin Jones Evp, Chief Operating Officer $268,859 15 May 2024
Matthew Hawryluk Evp, Chief Business Officer $234,915 15 May 2024
Vassiliki Economides Evp, Chief Financial Officer $196,382 04 Apr 2025
Rahsaan W. Thompson EVP and General Counsel $111,667 31 Jan 2022
Vijay Yabannavar Executive Vice President, Manufacturing and Tech Ops $60,298 07 Jan 2021
Stephen W. Webster Director $47,560 04 Apr 2025
Thomas Woiwode Director $244 25 Aug 2021
Steve E. Krognes Director 16 Jun 2023
Lawrence Corey Director 04 Apr 2025
Clare Fisher Director 04 Apr 2025
Naiyer Rizvi Director 04 Apr 2025
Elaine V Jones Director 04 Apr 2025
Shefali Agarwal Director 04 Apr 2025
Richard A. Heyman Director 17 Jun 2022
Judith Li Director 18 Jun 2021
Raphael Rousseau Executive Vice President and Chief Medical Officer 27 May 2021

Recent Insider Transactions by Companies or Individuals for Gritstone bio, Inc.

Insider Symbol Class Transaction % Value $ * Price $ Shares Shares Owned Date Ownership
Naiyer Rizvi Stock Option (Right to Buy) Other -100% -183,384 0 04 Apr 2025 Direct
Vassiliki Economides Common Stock Other -100% -250,437 0 04 Apr 2025 Direct
Vassiliki Economides Stock Option (Right to Buy) Other -100% -568,000 0 04 Apr 2025 Direct
James Cho Common Stock Other -100% -155,123 0 04 Apr 2025 Direct
James Cho Stock Option (Right to Buy) Other -100% -265,700 0 04 Apr 2025 Direct
Clare Fisher Stcok Option (right to buy) Other -100% -8,693 0 04 Apr 2025 Direct
Clare Fisher Stock Option (Right to Buy) Other -100% -141,600 0 04 Apr 2025 Direct
Elaine V Jones Stcok Option (right to buy) Other -100% -19,000 0 04 Apr 2025 Direct
Elaine V Jones Stock Option (Right to Buy) Other -100% -151,042 0 04 Apr 2025 Direct
Lawrence Corey Stcok Option (right to buy) Other -100% -38,000 0 04 Apr 2025 Direct
Lawrence Corey Stock Option (Right to Buy) Other -100% -103,600 0 04 Apr 2025 Direct
Shefali Agarwal Stock Option (Right to Buy) Other -100% -161,537 0 04 Apr 2025 Direct
Stephen W. Webster Common Stock Other -100% -25,000 0 04 Apr 2025 Direct
Stephen W. Webster Stock Option (Right to Buy) Other -100% -110,979 0 04 Apr 2025 Direct
Vassiliki Economides Common Stock Sale -4.57% -12,000 250,437 18 Dec 2024 Direct
Andrew R. Allen Common Stock Gift -24.8% -325,000 985,360 24 Jun 2024 Direct
Andrew R. Allen Common Stock Gift -22.4% -325,000 1,124,275 24 Jun 2024 See footnote
Clare Fisher Stock Option (Right to Buy) Award 51,800 51,800 17 Jun 2024 Direct
Shefali Agarwal Stock Option (Right to Buy) Award 51,800 51,800 17 Jun 2024 Direct
Lawrence Corey Stock Option (Right to Buy) Award 51,800 51,800 17 Jun 2024 Direct
Naiyer Rizvi Stock Option (Right to Buy) Award 51,800 51,800 17 Jun 2024 Direct
Stephen W. Webster Stock Option (Right to Buy) Award 7,379 7,379 17 Jun 2024 Direct
Elaine V Jones Stock Option (Right to Buy) Award 51,800 51,800 17 Jun 2024 Direct
Andrew R. Allen Common Stock Sale -2.4% $18,156 $0.7483 -24,263 985,360 16 May 2024 Direct
Erin Jones Common Stock Sale -3.69% $10,288 $0.7483 -13,749 359,293 16 May 2024 Direct
Karin Jooss Common Stock Sale -1.97% $10,288 $0.7483 -13,749 683,526 16 May 2024 Direct
Matthew Hawryluk Common Stock Sale -2.86% $6,929 $0.7483 -9,259 313,931 16 May 2024 Direct
Vassiliki Economides Common Stock Sale -4.98% $10,288 $0.7483 -13,749 262,437 16 May 2024 Direct
Andrew R. Allen Common Stock Award 4.98% 47,873 1,009,623 15 May 2024 Direct
Andrew R. Allen Stock Option (Right to Buy) Award 615,000 615,000 15 May 2024 Direct
Erin Jones Common Stock Award 7.84% 27,128 373,042 15 May 2024 Direct
Erin Jones Stock Option (Right to Buy) Award 235,000 235,000 15 May 2024 Direct
Karin Jooss Common Stock Award 4.05% 27,128 697,275 15 May 2024 Direct
Karin Jooss Stock Option (Right to Buy) Award 235,000 235,000 15 May 2024 Direct
Matthew Hawryluk Common Stock Award 6.3% 19,149 323,190 15 May 2024 Direct
Matthew Hawryluk Stock Option (Right to Buy) Award 180,000 180,000 15 May 2024 Direct
Vassiliki Economides Common Stock Award 10.9% 27,128 276,186 15 May 2024 Direct
Vassiliki Economides Stock Option (Right to Buy) Award 215,000 215,000 15 May 2024 Direct
James Cho Common Stock Award 7.48% 10,800 155,123 03 May 2024 Direct
James Cho Stock Option (Right to Buy) Award 65,400 65,400 03 May 2024 Direct
Stephen W. Webster Stock Option (Right to Buy) Award 103,600 103,600 26 Apr 2024 Direct
Matthew Hawryluk Common Stock Award 13.9% 35,000 286,880 01 Feb 2024 Direct
Matthew Hawryluk Stock Option (Right to Buy) Award 180,000 180,000 01 Feb 2024 Direct
Erin Jones Common Stock Award 14% 40,000 324,618 01 Feb 2024 Direct
Erin Jones Stock Option (Right to Buy) Award 235,000 235,000 01 Feb 2024 Direct
Vassiliki Economides Common Stock Award 18.2% 35,000 227,762 01 Feb 2024 Direct
Vassiliki Economides Stock Option (Right to Buy) Award 215,000 215,000 01 Feb 2024 Direct
Karin Jooss Common Stock Award 6.57% 40,000 648,851 01 Feb 2024 Direct
Karin Jooss Stock Option (Right to Buy) Award 235,000 235,000 01 Feb 2024 Direct
James Cho Common Stock Award 14.9% 18,000 138,644 01 Feb 2024 Direct
* An asterisk sign (*) next to the price indicates that the price is likely invalid.