SEC Form 4 · accession 0001144204-18-052384

Gritstone Oncology, Inc. · GRTS

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

Reporting owners

10% Owner

10% Owner

Period of report

Oct 2, 2018

Accepted (ET)

Oct 3, 2018 · 5:35 pm EDT

Rule 10b5-1 plan

unknown — predates the checkbox

Issuer CIK

0001656634

Table I — non-derivative securities

Security	Date	Code	Shares	Price	A/D	Owned after	D/I	Nature of ownership
Common Stock^F1,F2	Oct 2, 2018	C	869,562	—	A	869,562	I	See Footnote
Common Stock^F3,F2	Oct 2, 2018	C	371,607	—	A	1,241,169	I	See Footnote
Common Stock^F4,F2	Oct 2, 2018	C	153,360	—	A	1,394,529	I	See Footnote

Security	Conv. / exercise price	Date	Code	Shares	A/D	Exercisable	Expires	Underlying	Underlying shares	D/I
Series A Convertible Preferred Stock^F2,F1	—	Oct 2, 2018	C	869,562	D	—	—	Common Stock	869,562	I
Series B Convertible Preferred Stock^F2,F3	—	Oct 2, 2018	C	371,607	D	—	—	Common Stock	371,607	I
Series C Convertible Preferred Stock^F2,F4	—	Oct 2, 2018	C	153,360	D	—	—	Common Stock	153,360	I

F1The Series A Convertible Preferred Stock converted into shares of the Issuer's common stock immediately prior to the closing of the Issuer's initial public offering on a 1-for-1 basis and had no expiration date.
F2These securities are directly owned by certain private investment vehicles and separately managed accounts managed by Redmile Group, LLC ("Redmile") and may be deemed beneficially owned by Redmile as investment manager of such private investment vehicles and separately managed accounts. The reported securities may also be deemed beneficially owned by Jeremy Green as the principal of Redmile. The Reporting Persons disclaim beneficial ownership of the reported securities except to the extent of their pecuniary interest therein, and this report shall not be deemed an admission that such Reporting Persons are the beneficial owners of the securities for purposes of Section 16 of the Securities Exchange Act of 1934, as amended, or for any other purpose.
F3The Series B Convertible Preferred Stock converted into shares of the Issuer's common stock immediately prior to the closing of the Issuer's initial public offering on a 1-for-1 basis and had no expiration date.
F4The Series C Convertible Preferred Stock converted into shares of the Issuer's common stock immediately prior to the closing of the Issuer's initial public offering on a 1-for-1 basis and had no expiration date.