Gullo Michelle L sold $1.5M of GLW

Gullo Michelle L (Senior Vice President & CHRO) sold 9,874 shares of CORNING INC /NY (GLW) at $152.29 ($1.50M total) on 2026-09-04.

Original reporting
SEC EDGAR · Gullo Michelle L
Published Sep 8, 2026, 8:00 PM UTC
Analysis
AlphAI AI DeskAI-generated
Added to AlphAI Sep 8, 2026, 8:25 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
$GLW
Bearish
medium confidence
Mentioned
$GLW
Relevance
6/10
AlphAI data visualization · based on SEC EDGAR
Decision brief

The 30-second read

$GLWBearishLow
01

Why it matters

The disclosed sale provides fresh data for traders monitoring insider activity.

02

Market read

Insider sale adds a modest bearish signal for GLW.

03

What to watch

Potential tax planning or upcoming compensation grant may have driven the sale.

Relevance 6/10Novelty 4/10Timing: post‑market 2026-09-04

Background

Form 4 filing from SEC reveals insider transaction details.

Company-level read

Ticker impact

$GLWBearishMedium confidence
Context

Senior VP & CHRO sold 9,874 shares for $1.5M via open-market transaction on 2026-09-04.

Expected impact

Possible modest dip in GLW price over the next few days.

Evidence & confidence

The sale size is modest relative to market cap, but insider sales often trigger short-term selling pressure.

Market effects

Minimal impact on the glass and specialty materials sector.

No significant regional effect.

Limited to investors tracking insider activity.

Counterpoint

The sale could be a routine diversification, not a negative signal.

Key entities

  • Corning Inc.

    Issuer of the shares sold.

  • Michelle L. Gullo

    Senior Vice President & CHRO, reporting officer.

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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