FAQs

FAQs

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Where is Gritstone’s headquarters?
Gritstone’s headquarters office is located at:

5858 Horton Street, Suite 210
Emeryville, CA 94608
When was Gritstone founded?
Gritstone was founded in 2015 as a Delaware corporation.
When did Gritstone go public?
Gritstone went public in September 2018.
On what stock exchange and under what ticker symbol are Gritstone’s shares traded?
Gritstone Oncology is listed on The Nasdaq Global Select Market under the symbol GRTS.
Does Gritstone have a direct stock purchase plan?
Gritstone does not currently have a direct stock purchase plan. Gritstone's stock may be purchased through a licensed securities broker.
When does Gritstone’s fiscal year end?
Gritstone’s fiscal year end is December 31.
How can I contact Gritstone’s transfer agent?
American Stock Transfer & Trust LLC

6201 15th Avenue
Brooklyn, NY 11219
www.astfinancial.com
Email: help@astfinancial.com
Phone: (800) 937-5449 or (718) 921-8124
Who do I contact regarding questions or changes to my stock certificates (including updating a mailing address)?
For matters related to stock certificates, please contact Gritstone’s transfer agent:

American Stock Transfer & Trust LLC
6201 15th Avenue
Brooklyn, NY 11219
www.astfinancial.com
Email: help@astfinancial.com
Phone: (800) 937-5449 or (718) 921-8124
Who are Gritstone’s independent auditors?
Ernst & Young LLP

275 Shoreline Drive, Suite 600, Redwood City, CA 94065
Phone: (650) 802-4500
Who is Gritstone’s outside legal counsel?
Latham & Watkins LLP
140 Scott Drive
Menlo Park, CA 94025
Phone: (650) 328-4600
Who should I contact with additional questions?
Please email Investor Relations at IR@gritstone.com for assistance with other questions.
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