Transaction · 0000024741-26-000259

Gullo Michelle L

Gullo Michelle L, SVP, CHRO, reported an open-market or private sale at CORNING INC /NY involving 9874.000000 shares for an estimated $1503713.43. Reported holdings after the transaction were 9384.000000 shares. A 10b5-1 reference was not detected in the stored filing text.

Open-market sellSEC transaction code SSVP, CHRO
GLWCORNING INC /NY
Filing timeSep 08
Trade dateSep 04, 2026
Filing · SECView on SEC
InsiderProfile

Price performance since filing

Close on the filing date, the pre-filing context, and the forward return at standard windows
Price at filing
$147.48
Pre-filing
1mo ago +6.2%1w ago +0.0%1d ago +0.0%
Returns since
7d +0.0%30d +0.0%90d +0.0%180d +0.0%1y +0.0%

GLW price since this filing

30 days of pre-filing context and vertical markers at the filing date plus 7d / 30d / 90d / 180d / 1y afterwards
GLW since 2026-09-08Filed yesterday · 1 day of post-filing data
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Filing datePost-filing windows (7d, 30d, 90d, 180d, 1y)30 days of pre-filing context

Transaction facts

Stored Form 4 columns with their raw values

Non-derivative
Type
Sell
Code S
Identifier
0000024741-26-000259
Common Stock
Transaction date
Sep 04, 2026
Filed Sep 08, 2026, 08:00 PM · 4d delay
Shares
9.87k sh
$15.2k per share
Estimated value
-$150M
Computed from shares × price
Holdings after
9.38k sh
Direct

Filing signal explanations

Badges describe filing facts only — not predictions.

Cluster 14dRepeat 30dPattern $10.0MLarge $100M
Direct Ownership Large Holdings Reduction Large Sale
+6score
Filing-only score

+6

Compact filing score computed from stored Form 4 facts. Version v1.

Positive filing signal

This filing has a modest positive filing-only score. Treat it as a useful flag for review, not as a buy signal.

Reported relationships & other filings

Form 4 relationship flags and nearby filing context

Reported roles

Senior Vice President & CHRO

Officer YesDirector No10% NoOther No
Footnotes & amended
  1. F1

    The price reported in column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $151.9935 to $152.55 inclusive. The reporting person undertakes to pr…

Original filing · 0000024741-26-000259
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Same reporting owner
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