SEC Form 4 · accession 0001209191-15-061938

Sierra Oncology, Inc. · SRRA

Statement of changes in beneficial ownership, as filed. Original on EDGAR ↗

Reporting owner

Director

Period of report

Jul 21, 2015

Accepted (ET)

Jul 21, 2015 · 7:04 pm EDT

Rule 10b5-1 plan

unknown — predates the checkbox

Issuer CIK

0001290149

Table I — non-derivative securities

Security	Date	Code	Shares	Price	A/D	Owned after	D/I	Nature of ownership
Common Stock^F1,F2	Jul 21, 2015	C	1,869,606	—	A	1,869,606	I	By Frazier Healthcare VI, L.P.
Common Stock^F2	Jul 21, 2015	J	96,589	$5.215	A	1,966,195	I	By Frazier Healthcare VI, L.P.
Common Stock^F2	Jul 21, 2015	P	220,000	$17.00	A	2,186,195	I	By Frazier Healthcare VI, L.P.

Security	Conv. / exercise price	Date	Code	Shares	A/D	Exercisable	Expires	Underlying	Underlying shares	Owned after	D/I
Series D Preferred Stock^F2,F1	—	Jul 21, 2015	C	1,869,606	D	—	—	Common Stock	1,869,606	0	I

F1Each share of the issuer's Series D Preferred Stock automatically converted into 1 share of the issuer's Common Stock on July 21, 2015 in connection with the closing of the issuer's sale of its Common Stock in its firm commitment initial public offering pursuant to a registration statement on Form S-1 (File No. 333-204921) under the Securities Act of 1933, as amended, and had no expiration date.
F2The reporting person, Alan Frazier, Nader Naini, Nathan Every and Patrick Heron are the managing members of FHM VI, LLC, which is the general partner of FHM VI, LP, which is the general partner of Frazier Healthcare VI, L.P. ("FHVI"), the record holder of the securities, and the reporting person may be deemed to share voting and dispositive power over the securities held by FHVI. The reporting person disclaims beneficial ownership over such securities except to the extent of his pecuniary interest therein, and the inclusion of these 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 purposes.
F3Represents shares of Common Stock issued by the issuer in payment of cumulative accrued dividends.