Joshua Richardson - Jan 25, 2022 Form 4 Insider Report for Sierra Oncology, Inc. (SRRA)

Role: Director, 10%+ Owner
Signature: /s/ Joshua Richardson
Stock symbol: SRRA
Transactions as of: Jan 25, 2022
Transactions value $: -$13,063,697
Form type: 4
Date filed: 1/27/2022, 08:22 PM
Previous filing: Jun 9, 2021
Next filing: Feb 2, 2022

Transactions Table

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Ownership	Footnotes
transaction	SRRA	Common Stock	Exercise of in-the-money or at-the-money derivative security	$6.43M	+487K	+33%	$13.20	1.96M	Jan 25, 2022	By Longitude Venture Partners III, L.P.	F1

Derivative Securities (e.g., puts, calls, warrants, options, convertible securities)

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Underlying Class	Amount	Exercise Price	Ownership	Footnotes
transaction	SRRA	Series B Warrants	Exercise of in-the-money or at-the-money derivative security	-$19.5M	-1.48M	-100%	$13.20	0	Jan 25, 2022	Common Stock	487K	$13.20	By Longitude Venture Partners III, L.P.	F1, F2

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

Explanation of Responses:

Id	Content
F1	Longitude Capital Partners III, LLC ("LCP III") is the general partner of Longitude Venture Partners III, L.P. ("LVP III") and may be deemed to have voting, investment and dispositive power with respect to such securities. Patrick G. Enright, Juliet Tammenoms Bakker and the Reporting Person, a member of the Issuer's board of directors, are each members of LCP III and may be deemed to share voting, investment and dispositive power over such securities. Mr. Enright and Ms. Tammenoms Bakker are the managing members of LCP III. Each of LCP III, Mr. Enright, Ms. Tammenoms Bakker and the Reporting Person disclaim beneficial ownership over such securities except to the extent of their respective pecuniary interest therein, and the inclusion of such securities in this report shall not be deemed an admission of beneficial ownership of the reported securities for purposes of Section 16 or for any other purpose.
F2	Consists of 1,477,125 Series B Warrants held by LVP III which are exercisable for an aggregate of 487,451 shares of Common Stock.

Content

Longitude Capital Partners III, LLC ("LCP III") is the general partner of Longitude Venture Partners III, L.P. ("LVP III") and may be deemed to have voting, investment and dispositive power with respect to such securities. Patrick G. Enright, Juliet Tammenoms Bakker and the Reporting Person, a member of the Issuer's board of directors, are each members of LCP III and may be deemed to share voting, investment and dispositive power over such securities. Mr. Enright and Ms. Tammenoms Bakker are the managing members of LCP III. Each of LCP III, Mr. Enright, Ms. Tammenoms Bakker and the Reporting Person disclaim beneficial ownership over such securities except to the extent of their respective pecuniary interest therein, and the inclusion of such securities in this report shall not be deemed an admission of beneficial ownership of the reported securities for purposes of Section 16 or for any other purpose.

Consists of 1,477,125 Series B Warrants held by LVP III which are exercisable for an aggregate of 487,451 shares of Common Stock.