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Sierra Oncology, Inc.


Rigrodsky Law, P.A. is investigating Sierra Oncology, Inc. (“Sierra”) regarding possible breaches of fiduciary duties and other violations of law related to Sierra’s agreement to be acquired by GlaxoSmithKline plc. Under the terms of the agreement, Sierra’s shareholders will receive $55.00 in cash for each share of Sierra common stock they own. 

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Signed pursuant to California Civil Code Section 1633.1, et seq. - and the Uniform Electronic Transactions Act as adopted by the various states and territories of the United States.

Date of signing: 02/05/2023

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