Thomas Woiwode - Aug 25, 2021 Form 4 Insider Report for Gritstone bio, Inc. (GRTS)

Role: Director
Signature: /s/ Robin L. Praeger, attorney-in-fact for Thomas Woiwode
Stock symbol: GRTS
Transactions as of: Aug 25, 2021
Transactions value $: $0
Form type: 4
Date filed: 8/27/2021, 05:49 PM
Previous filing: Sep 20, 2021
Next filing: May 3, 2022

Transactions Table

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Ownership	Footnotes
transaction	GRTS	Common Stock	Other	$0	-445K	-33%	$0.00	903K	Aug 25, 2021	See Footnote	F1, F2
transaction	GRTS	Common Stock	Other	$0	+6.67K		$0.00	6.67K	Aug 25, 2021	See Footnote	F3, F4
transaction	GRTS	Common Stock	Other	$0	-6.67K	-100%	$0.00^*	0	Aug 25, 2021	See Footnote	F4, F5
transaction	GRTS	Common Stock	Other	$0	+6.61K		$0.00	6.61K	Aug 25, 2021	See Footnote	F6, F7
transaction	GRTS	Common Stock	Other	$0	-6.61K	-100%	$0.00^*	0	Aug 25, 2021	See Footnote	F7, F8
transaction	GRTS	Common Stock	Other	$0	+128		$0.00	128	Aug 25, 2021	Direct	F9
holding	GRTS	Common Stock						2.72M	Aug 25, 2021	See Footnote	F10
holding	GRTS	Common Stock						81.9K	Aug 25, 2021	See Footnote	F11
holding	GRTS	Common Stock						90.8K	Aug 25, 2021	See Footnote	F12
holding	GRTS	Common Stock						207K	Aug 25, 2021	See Footnote	F13

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

Explanation of Responses:

Id	Content
F1	Represents a pro-rata distribution, and not a purchase or sale, without additional consideration by Versant Vantage I, L.P. ("VV I") to its partners pursuant to a Rule 10b5-1 trading plan.
F2	Shares held by Versant Vantage I, L.P. ("VV I"). Versant Vantage I GP-GP, LLC ("VV I GP-GP") is the sole general partner of Versant Vantage I GP, L.P. ("VV I GP") and VV I GP is the sole general partner of VV I. The Reporting Person, a member of the Issuer's board of directors, is a managing director of VV I GP-GP and may be deemed to share voting and dispositive power over the shares held by VV I. Each of VV I GP-GP, VV I GP, and the Reporting Person disclaims beneficial ownership of the shares held by VVI, except to the extent of their respective pecuniary interests therein, if any.
F3	Represents a change in the form of ownership of VV I GP by virtue of the receipt of shares in the pro-rata in-kind distribution of common stock of the Issuer for no consideration by VV I.
F4	Shares held by VV I GP. VV I GP-GP is the sole general partner of VV I GP. The Reporting Person, a member of the Issuer's board of directors, is a managing director of VV I GP-GP and may be deemed to share voting and dispositive power over the shares held by VV I GP. Each of VV I GP-GP and the Reporting Person disclaims beneficial ownership of the shares held by VV I GP, except to the extent of their respective pecuniary interests therein, if any.
F5	Represents a pro-rata distribution, and not a purchase or sale, without additional consideration by VV I GP, to its partners.
F6	Represents a change in the form of ownership of VV I GP-GP by virtue of the receipt of shares in the pro-rata in-kind distribution of common stock of the Issuer for no consideration by VV I GP.
F7	Shares held by VV I GP-GP. The Reporting Person, a member of the Issuer's board of directors, is a managing director of VV I GP-GP and may be deemed to share voting and dispositive power over the shares held by VV I GP-GP; however, he disclaims beneficial ownership of such securities, except to the extent of his pecuniary interest therein.
F8	Represents a pro-rata distribution, and not a purchase or sale, without additional consideration by VV I GP-GP, to its members.
F9	Represents a change in the form of ownership of the Reporting Person by virtue of the receipt of shares as a result of the pro-rata in-kind distribution of common stock of the Issuer for no consideration by VV I GP-GP.
F10	Shares held by Versant Venture Capital V, L.P. ("VVC V"). Versant Ventures V, LLC ("VV V") is the sole general partner of VVC V. The Reporting Person, a member of the Issuer's board of directors, is a managing director of VV V and may be deemed to share voting and dispositive power over the shares held by VVC V. Each of VV V and the Reporting Person disclaims beneficial ownership of the shares held by VVC V, except to the extent of their respective pecuniary interests therein, if any.
F11	Shares held by Versant Affiliates Fund V, L.P. ("VAF V"). VV V is the sole general partner of VAF V. The Reporting Person, a member of the Issuer's board of directors, is a managing director of VV V and may be deemed to share voting and dispositive power over the shares held by VAF V. Each of VV V and the Reporting Person disclaims beneficial ownership of the shares held by VAF V, except to the extent of their respective pecuniary interests therein, if any.
F12	Shares held by Versant Ophthalmic Affiliates Fund I, L.P. ("VOAF I"). VV V is the sole general partner of VOAF I. The Reporting Person, a member of the Issuer's board of directors, is a managing director of VV V and may be deemed to share voting and dispositive power over the shares held by VOAF I. Each of VV V and the Reporting Person disclaims beneficial ownership of the shares held by VOAF I, except to the extent of their respective pecuniary interests therein, if any.
F13	Shares held by Versant Venture Capital V (Canada) LP ("VVC V (Canada)"). Versant Ventures V (Canada) GP-GP, Inc. ("VV V (Canada) GP") is the sole general partner of Versant Ventures V (Canada), L.P. ("VV V (Canada)") and VV V (Canada) is the sole general partner of VVC V (Canada). The Reporting Person, a member of the Issuer's board of directors, is a director of VV V (Canada) GP and may be deemed to share voting and dispositive power over the shares held by VVC V (Canada). Each of VV V (Canada), VV V (Canada) GP and the Reporting Person disclaims beneficial ownership of the shares held by VVC V (Canada), except to the extent of their respective pecuniary interests therein, if any.