GILEAD SCIENCES, INC. — Director's Dealing 2017

Oct 4, 2017

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: GILEAD SCIENCES INC (GILD)
CIK: 0000882095
Period of Report: 2017-10-02

Reporting Person: Alton Gregg H (EVP Comm&Acs ALA, Corp&Med Aff)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2017-10-02	Common Stock	M	17250	$24.905	Acquired	93738	Direct
2017-10-02	Common Stock	S	2921	$81.8406	Disposed	90817	Direct
2017-10-02	Common Stock	S	19938	$82.6779	Disposed	70879	Direct
2017-10-02	Common Stock	S	2141	$83.5211	Disposed	68738	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2017-10-02	Non-qualified Stock Option (Right to Buy)	$24.905	M	17250	Disposed	2019-07-29	Common Stock (17250)	Direct

Footnotes

F1: The exercise and sale transactions reported in this Form 4 are made pursuant to a Rule 10b5-1 trading plan.

F2: The options have a five year vesting schedule. 20% vest on the first anniversary of the date of grant. The balance will vest 5% quarterly thereafter until fully vested.

F3: Sale prices reported for the transactions reported here range from $81.28 to $82.28. Full information regarding the number of shares purchased or sold at each separate price will be provided to the SEC, the issuer or its shareowners upon request.

F4: Sale prices reported for the transactions reported here range from $82.31 to $83.26. Full information regarding the number of shares purchased or sold at each separate price will be provided to the SEC, the issuer or its shareowners upon request.

F5: Sale prices reported for the transactions reported here range from $83.315 to $83.62. Full information regarding the number of shares purchased or sold at each separate price will be provided to the SEC, the issuer or its shareowners upon request.