Gilead Sciences: chairman & CEO Daniel Patrick O'Day sold 15,000 shares

What happened

• Daniel Patrick O'Day, chairman & CEO and director, sold a total of 15,000 shares of Gilead Sciences on Oct 1, 2026: 12,000 shares reported at $147.72 for $1,772,628 and 3,000 shares reported at $148.63 for $445,880 (total proceeds $2,218,508). The transactions are reported as open market or private sales (code S).

Key details

• Transaction date: Oct 1, 2026; Form 4 filed on Oct 2, 2026.
• Reported sale prices: $147.72 (12,000 shares) and $148.63 (3,000 shares); footnotes report price ranges of $147.21 to $148.205 and $148.23 to $149.13 for the respective transactions, with a full allocation by price available upon request.
• Total proceeds reported: $1,772,628 and $445,880, total $2,218,508.
• The filing notes the sales were made pursuant to a Rule 10b5-1 trading plan adopted Feb 25, 2026 (footnote F1).
• Shares owned after the transaction: not reported in the supplied filing summary.

Why it may matter

• The filing shows open market sales executed under a Rule 10b5-1 trading plan.
• The filing does not show why the insider traded or why the company acted.