Key facts
- This page summarizes Daniel Patrick O'Day's Form 4 filing for GILEAD SCIENCES, INC. (GILD).
- 6 reported transactions and 2 derivative rows are listed below.
- Accepted by SEC: 06 Nov 2026, 17:15.
Daniel Patrick O'Day - 04 Nov 2026 Form 4 Insider Report for GILEAD SCIENCES, INC. (GILD)
- Reporting relationship
- Chairman & CEO, Director
- Issuer ticker
- GILD
- Reported as of
- 04 Nov 2026
- Net transaction value
- -$19,693,439
- SEC form
- 4
- Accepted by SEC
- 06 Nov 2026, 17:15:59 UTC
- Prior SEC filing
- 02 Nov 2026
- Source filing
- View source filing
- Reporting owner signature
- /s/ Amy Kim by Power of Attorney for Daniel O'Day
Source evidence
Original filing metadata and source links for verification.
4 source fields
Reporting owner
1 detail
Filing notes and source
Key filing fact
Daniel Patrick O'Day filed Form 4 for GILEAD SCIENCES, INC. (GILD) on 06 Nov 2026.
Change
- Previous filing in this sequence was filed on 02 Nov 2026.
- Current net transaction value: -$19,693,439.
Research use
- This tells you what this filing adds before you inspect full transaction and derivative tables.
- You can trace every row back to the original SEC filing document.
Evidence
Filed on Form 4
View source filing
Ownership activity is grounded in SEC Form 4 disclosures.
Reporting Owners (1)
CIK 0001638643
Primary reporting owner
O'Day Daniel Patrick
- Relationship
- Chairman & CEO, Director
- Address
- 333 LAKESIDE DRIVE, FOSTER CITY
- Signature
- /s/ Amy Kim by Power of Attorney for Daniel O'Day
- Signature date
- 06 Nov 2026
Reported non-derivative transactions
Shares, units, or other non-derivative securities reported in this filing.
GILD
transaction
Common Stock
Options Exercise
- Transaction value
- Shares
- +102,619
- Change %
- +19%
- Price
- $72.34*
- Shares after
- 654,302
- Date
- 04 Nov 2026
- Ownership
- Direct
- Footnotes
- F1
GILD
transaction
Common Stock
Sale
- Transaction value
- -$17,975,021
- Shares
- -102,619
- Change %
- -16%
- Price
- $175.16
- Shares after
- 551,683
- Date
- 04 Nov 2026
- Ownership
- Direct
- Footnotes
- F1, F2
GILD
transaction
Common Stock
Options Exercise
- Transaction value
- Shares
- +9,810
- Change %
- +1.8%
- Price
- $72.34*
- Shares after
- 561,493
- Date
- 05 Nov 2026
- Ownership
- Direct
- Footnotes
- F1
GILD
transaction
Common Stock
Sale
- Transaction value
- -$1,718,418
- Shares
- -9,810
- Change %
- -1.7%
- Price
- $175.17
- Shares after
- 551,683
- Date
- 05 Nov 2026
- Ownership
- Direct
- Footnotes
- F1
Reported derivative securities
Options, warrants, convertible securities, or similar derivative positions disclosed in the filing.
GILD
transaction
Derivative
Non-qualified Stock Option (Right to Buy)
Options Exercise
- Transaction value
- Shares
- -102,619
- Change %
- -43%
- Price
- $0.000000*
- Shares after
- 138,120
- Date
- 04 Nov 2026
- Ownership
- Direct
- Underlying class
- Common Stock
- Underlying amount
- 102,619
- Exercise price
- $72.34
- Footnotes
- F1, F3
GILD
transaction
Derivative
Non-qualified Stock Option (Right to Buy)
Options Exercise
- Transaction value
- Shares
- -9,810
- Change %
- -7.1%
- Price
- $0.000000*
- Shares after
- 128,310
- Date
- 05 Nov 2026
- Ownership
- Direct
- Underlying class
- Common Stock
- Underlying amount
- 9,810
- Exercise price
- $72.34
- Footnotes
- F1, F3
* marks a reported price that did not pass the local price check.
Additional SEC filing notes
Filing notes and footnotes
Rule 10b5-1 trading plan
These transactions were reported as open-market trades under a Rule 10b5-1 plan. The plan lets an insider set trading instructions in advance, which can reduce the risk of trading while in possession of material nonpublic information.
Original filing language: transaction made pursuant to a contract, instruction, or written plan intended to satisfy Rule 10b5-1(c).
Explanation of responses 3 footnotes
Footnote F1
The transaction reported in this Form 4 is made pursuant to a Rule 10b5-1 trading plan adopted on February 25, 2026.
Footnote F2
Sale prices for the transactions reported range from $175.05 to $175.35. 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.
Footnote F3
The stock options have a four-year vesting schedule. 25% of the stock options vest on the first anniversary of the date of the grant. The balance will vest 6.25% quarterly thereafter until fully vested.