EXHIBIT A
AGREEMENT
Pursuant to Rule 13d-1(k)(1) under the Securities Exchange Act of 1934, the undersigned hereby agree that only one statement containing the information required by Schedule 13G need be filed with respect to the ownership by each of the undersigned of Common Stock of Sierra Oncology, Inc.
Date: August 16, 2021 | FRAZIER LIFE SCIENCES VIII, L.P. | |||||
By FHM Life Sciences VIII, L.P., its general partner | ||||||
By FHM Life Sciences VIII, L.L.C., its general partner | ||||||
By: | /s/ Steve R. Bailey | |||||
Steve R. Bailey, Chief Financial Officer | ||||||
Date: August 16, 2021 | FHM LIFE SCIENCES VIII, L.P. | |||||
By FHM Life Sciences VIII, L.L.C., its general partner | ||||||
By: | /s/ Steve R. Bailey | |||||
Steve R. Bailey, Chief Financial Officer | ||||||
Date: August 16, 2021 | FHM LIFE SCIENCES VIII, L.L.C. | |||||
By: | /s/ Steve R. Bailey | |||||
Steve R. Bailey, Chief Financial Officer | ||||||
Date: August 16, 2021 | FRAZIER HEALTHCARE VI, L.P. | |||||
By: FHM VI, L.P., its General Partner | ||||||
By: FHM VI, LLC, its General Partner | ||||||
By: | /s/ Steve R. Bailey | |||||
Steve R. Bailey, Chief Financial Officer | ||||||
Date: August 16, 2021 | FHM VI, L.P. | |||||
By: FHM VI, LLC, its General Partner | ||||||
By: | /s/ Steve R. Bailey | |||||
Steve R. Bailey, Chief Financial Officer | ||||||
Date: August 16, 2021 | FHM VI, LLC | |||||
By: | /s/ Steve R. Bailey | |||||
Steve R. Bailey, Chief Financial Officer | ||||||
Date: August 16, 2021 | FRAZIER LIFE SCIENCES PUBLIC FUND L.P. | |||||
By: FHMLSP, L.P., its General Partner | ||||||
By: FHMLSP, L.L.C., its General Partner | ||||||
By: | /s/ Steve R. Bailey | |||||
Steve R. Bailey, Chief Financial Officer |
Date: August 16, 2021 | FHMLSP, L.P. | |||||
By: FHMLSP, L.L.C., its General Partner | ||||||
By: | /s/ Steve R. Bailey | |||||
Steve R. Bailey, Chief Financial Officer | ||||||
Date: August 16, 2021 | FHMLSP, L.L.C. | |||||
By: | /s/ Steve R. Bailey | |||||
Steve R. Bailey, Chief Financial Officer | ||||||
Date: August 16, 2021 | By: | * | ||||
James N. Topper | ||||||
Date: August 16, 2021 | By: | * | ||||
Patrick J. Heron | ||||||
Date: August 16, 2021 | By: | * | ||||
Alan Frazier | ||||||
Date: August 16, 2021 | By: | * | ||||
Nader Naini | ||||||
Date: August 16, 2021 | By: | * | ||||
Nathan Every | ||||||
Date: August 16, 2021 | By: | ** | ||||
Albert Cha | ||||||
Date: August 16, 2021 | By: | ** | ||||
James Brush | ||||||
Date: August 16, 2021 | By: | /s/ Steve R. Bailey | ||||
Steve R. Bailey, as Attorney-in-Fact |
* | This Agreement was executed by Steve R. Bailey on behalf of the individuals listed above pursuant to a Power of Attorney, a copy of which was filed with the SEC on February 24, 2017. |
** | This Agreement was executed by Steve R. Bailey on behalf of the individuals listed above pursuant to a Power of Attorney, a copy of which is included herewith as Exhibit B. |