$COST

Wilcox William Richard sold $1.1M of COST

Wilcox William Richard (Executive Vice President) sold 1,100 shares of COSTCO WHOLESALE CORP /NEW (COST) at $958.20 ($1.05M total) on 2026-10-13.

Original reporting
SEC EDGAR · Wilcox William Richard
Published Oct 14, 2026, 11:00 PM UTC
Analysis
AlphAI AI DeskAI-generated
Added to AlphAI Oct 14, 2026, 11:01 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
$COST
Bearish
medium confidence
Mentioned
$COST
Relevance
6/10
AlphAI data visualization · based on SEC EDGAR
Decision brief

The 30-second read

$COSTBearishLow
01

Why it matters

The disclosed sale may cause a slight dip in COST shares, but the effect is limited given the small size relative to total float.

02

Market read

A modest insider sell by a senior officer, likely generating limited market reaction.

03

What to watch

No 10b5‑1 plan was used, suggesting the sale was discretionary.

Relevance 6/10Novelty 4/10Timing: after-hours filing

Background

SEC Form 4 filing discloses insider transactions; investors monitor these for potential signals.

Company-level read

Ticker impact

$COSTBearishMedium confidence
Context

Executive Vice President Wilcox sold 1,100 shares for $1.05M, reducing his stake to 3,094 shares.

Expected impact

likely modest downward pressure as investors digest the insider sell

Evidence & confidence

Form 4 filings are primary source; the amount is modest but the insider is a senior officer, which can influence sentiment.

Market effects

Minimal impact on retail sector; insider activity is company‑specific.

No broader regional effect.

Not globally relevant.

Counterpoint

The sale could be routine portfolio rebalancing, not a negative signal.

Key entities

  • Wilcox William Richard

    Executive Vice President of Costco Wholesale Corp.

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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