Quick Takeaways
- Daniel Patrick O'Day has 1 issuer position tracked on this page.
- Estimated disclosed ownership value: $101,902,354.
- Recent insider filing activity is available below.
- Info
- Insider Ownership
Insider Trading & Ownership of Daniel Patrick O'Day
- Location
- Foster City, CA
- Summary
- The estimated net worth of Daniel Patrick O'Day is at least $101,902,354 dollars as of 30 Mar 2026. Daniel Patrick O'Day is the Chairman & CEO, Director of GILEAD SCIENCES, INC. and owns shares of GILEAD SCIENCES, INC. (GILD) stock worth about $101.9M.
- Signature
- /s/ Amy Kim by Power of Attorney for Daniel O'Day
- All Insider Reports
- All Insider Reports
Follow Filing Activity
Follow Daniel Patrick O'Day and return when a new Insider Trading filing appears.
This tracks SEC filing changes for this page using existing product update flows.
What Changed
- Largest disclosed position: GILEAD SCIENCES, INC. ($101,902,354).
- Past-year value change for that position: -$46,480,883.
Why This Matters
- This page translates Forms 3/4/5 into a quick ownership context before you inspect each transaction row.
- You can cross-check role, issuer, and filing chronology directly against the SEC source.
Official SEC Source
Filed on Form 4
Insider ownership context is sourced from SEC Forms 3, 4, and 5.
See Original FilingOwnership of Daniel Patrick O'Day
| Symbol | Company | Relationship | Holdings Value | Past Year Net Change | Change % | Report Period |
|---|---|---|---|---|---|---|
| GILD | GILEAD SCIENCES, INC. | Chairman & CEO, Director | $101,902,354 | -$46,480,883 | -31% | 27 Mar 2026 |
Insider Transactions Reported by Daniel Patrick O'Day:
| Sym | Company | Class | Transaction | % | Value $ | * Price $ | Shares | Shares After | Date | Ownership |
|---|
* An asterisk sign (*) next to the price indicates that the price is likely invalid.