$GILD

O'Day Daniel Patrick sold $2.0M of GILD

O'Day Daniel Patrick (Chairman & CEO) sold 15,000 shares of GILEAD SCIENCES, INC. (GILD) at an average of $131.46 ($131.10–$132.97, $1.97M total) across 3 trades on 2026-06-01 under a Rule 10b5-1 trading plan.

Original reporting
SEC EDGAR · O'Day Daniel Patrick
Published Jun 2, 2026, 10:04 PM UTC
Analysis
AlphAI AI DeskAI-generated
Added to AlphAI Sep 28, 2026, 3:57 AM 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
high confidence
Mentioned
$GILD
Relevance
5/10
AlphAI data visualization · based on SEC EDGAR
Decision brief

The 30-second read

$GILDBearishMed
01

Why it matters

The disclosed sale provides fresh data on insider sentiment, useful for short‑term positioning.

02

Market read

First‑report insider sell; traders may adjust positions based on perceived confidence.

03

What to watch

Sale size relative to total holdings (~617k shares) remains modest; market may absorb without price move.

Relevance 5/10Novelty 7/10Timing: after‑hours on 2026‑06‑01

Background

Form 4 filings disclose insider transactions; a 10b5‑1 plan pre‑arranges sales to avoid timing concerns.

Company-level read

Ticker impact

$GILDBearishHigh confidence
Context

CEO Daniel O'Day sold ~2 M USD of GILD shares via a 10b5‑1 plan on 2026‑06‑01.

Expected impact

likely pressure as the market prices in the insider sell

Evidence & confidence

Form 4 is a primary source; a $2 M sale by the chairman/CEO is material for traders.

Market effects

May prompt scrutiny of biotech sector insider activity.

Limited to US biotech investors.

Low; impact confined to GILD shareholders.

Counterpoint

Insider sell could be routine 10b5‑1 execution, not a negative signal.

Key entities

  • Gilead Sciences, Inc.

    Biopharma firm whose CEO sold shares.

  • Daniel O'Day

    Chairman & CEO of Gilead, insider seller.

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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