Roman Yelensky - Jan 19, 2021 Form 4/A - Amendment Insider Report for Gritstone bio, Inc. (GRTS)

Role: Executive Vice President and Chief Technology Officer
Signature: /s/ Rahsaan Thompson, Attorney-in-Fact for Roman Yelensky
Stock symbol: GRTS
Transactions as of: Jan 19, 2021
Transactions value $: -$221,029
Form type: 4/A - Amendment
Date filed: 11/19/2021, 05:06 PM
Date Of Original Report: Jan 21, 2021
Previous filing: Nov 19, 2021
Next filing: Nov 19, 2021

Transactions Table

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Ownership	Footnotes
transaction	GRTS	Common Stock	Sale	-$221K	-10K	-5.86%	$22.10^*	161K	Jan 19, 2021	Direct	F1, F2

Showing 1 to 1 of 1 entries

* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id	Content
F1	Represents the weighted average sale price for the entire number of shares sold. The actual sale prices range from $22.00 to $22.40 per share. The Reporting Person hereby undertakes to provide to the Securities and Exchange Commission staff, the Issuer, or a security holder of the Issuer, upon request, full information regarding the number of shares sold at each respective price within the range set forth in this footnote.
F2	Includes 27,400 RSUs which are subject to vesting.

Content

Represents the weighted average sale price for the entire number of shares sold. The actual sale prices range from $22.00 to $22.40 per share. The Reporting Person hereby undertakes to provide to the Securities and Exchange Commission staff, the Issuer, or a security holder of the Issuer, upon request, full information regarding the number of shares sold at each respective price within the range set forth in this footnote.

Includes 27,400 RSUs which are subject to vesting.

Remarks:

Executive Vice President and Chief Technology Officer