$GILD

O'Day Daniel Patrick sold $2.2M of GILD

O'Day Daniel Patrick (Chairman & CEO) sold 15,000 shares of GILEAD SCIENCES, INC. (GILD) at an average of $148.64 ($147.51–$149.38, $2.23M total) across 3 trades on 2026-09-01 under a Rule 10b5-1 trading plan.

Original reporting
SEC EDGAR · O'Day Daniel Patrick
Published Sep 2, 2026, 8:12 PM UTC
Analysis
alphai AI DeskAI-generated
Added to alphai Sep 2, 2026, 8:49 PM UTC. Informational, not investment advice.
How this was made
alphai summarizes source reporting and applies a structured AI analysis for relevance, timing, sentiment and ticker impact. Always verify material claims with the original publisher.
alphai market briefInsider activity
Primary signal
$GILD
Bearish
medium confidence
Mentioned
$GILD
Relevance
5/10
alphai data visualization · based on SEC EDGAR
Decision brief

The 30-second read

$GILDBearishLow
01

Why it matters

The disclosed sale provides fresh data on insider sentiment, which can influence short‑term trading decisions.

02

Market read

First public disclosure of a significant insider sale; modest materiality but relevant for traders monitoring insider activity.

03

What to watch

Potential tax planning or diversification needs of the CEO.

Relevance 5/10Novelty 6/10Timing: same‑day filing on 2026‑09‑01

Background

Form 4 filing discloses insider transactions required by SEC regulations.

Company-level read

Ticker impact

$GILDBearishMedium confidence
Context

CEO Daniel O'Day sold 15,000 GILD shares for $2.23M via a 10b5‑1 plan on 2026‑09‑01.

Expected impact

Potential short‑term downward pressure on GILD price.

Evidence & confidence

Sale size is modest but involves the top executive; market may interpret as a bearish signal.

Market effects

Limited impact on biotech sector; may prompt scrutiny of insider activity.

No significant regional effect.

Low global relevance; confined to GILD investors.

Counterpoint

The sale could be a routine liquidity move unrelated to company outlook.

Key entities

  • Gilead Sciences, Inc.

    Biopharmaceutical company whose CEO sold shares.

  • Daniel O'Day

    Chairman & CEO of Gilead Sciences.

Full insider trading history

This story covers one filing. See everything behind it: every insider buy and sell on record, 10b5-1 plans, late filings, and which officers and directors are trading.

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