Michaune D. Tillman - 01 Apr 2026 Form 4 Insider Report for CORNING INC /NY (GLW)

Source evidence Original filing metadata and source links for verification. 5 source fields
SEC form
4
Accepted by SEC
02 Apr 2026, 13:39:49 UTC
Prior SEC filing
06 Feb 2026
Next SEC filing
05 May 2026
Source filing
View source filing
Reporting owner 1 detail
Reporting owner signature
Melissa J. Gambol, Power of Attorney

Key filing fact

Michaune D. Tillman filed Form 4 for CORNING INC /NY (GLW) on 02 Apr 2026.

Key facts

  • This page summarizes Michaune D. Tillman's Form 4 filing for CORNING INC /NY (GLW).
  • 1 reported transaction and 3 derivative rows are listed below.
  • Accepted by SEC: 02 Apr 2026, 13:39.

Change

  • Previous filing in this sequence was filed on 06 Feb 2026.
  • Current net transaction value: $0.

Research use

  • This tells you what this filing adds before you inspect full transaction and derivative tables.
  • You can trace every row back to the original SEC filing document.

Evidence

Filed on Form 4

Ownership activity is grounded in SEC Form 4 disclosures.

View source filing

Reporting Owners (1)

CIK 0002000296 Primary reporting owner

TILLMAN MICHAUNE D

Relationship
SVP and General Counsel
Address
ONE RIVERFRONT PLAZA, CORNING
Signature
Melissa J. Gambol, Power of Attorney
Signature date
02 Apr 2026

Reported non-derivative transactions

Shares, units, or other non-derivative securities reported in this filing.

GLW holding

Common Stock

No transaction description listed

Transaction value
Shares
Change %
Price
Shares after
16,380
Date
01 Apr 2026
Ownership
Direct

Reported derivative securities

Options, warrants, convertible securities, or similar derivative positions disclosed in the filing.

GLW transaction Derivative

Restricted Stock Unit

Award

Transaction value
Shares
+3,477
Change %
Price
$0.000000*
Shares after
3,477
Date
01 Apr 2026
Ownership
Direct
Underlying class
Common Stock
Underlying amount
3,477
Exercise price
Footnotes
F1, F4
GLW holding Derivative

Restricted Stock Unit

No transaction description listed

Transaction value
Shares
Change %
Price
Shares after
12,397
Date
01 Apr 2026
Ownership
Direct
Underlying class
Common Stock
Underlying amount
12,397
Exercise price
Footnotes
F1, F2
GLW holding Derivative

Restricted Stock Unit

No transaction description listed

Transaction value
Shares
Change %
Price
Shares after
9,881
Date
01 Apr 2026
Ownership
Direct
Underlying class
Common Stock
Underlying amount
9,881
Exercise price
Footnotes
F1, F3
* marks a reported price that did not pass the local price check.

Additional SEC filing notes

Filing notes and footnotes

Explanation of responses 4 footnotes

Footnote F1

Each restricted stock unit represents a contingent right to receive one share of Corning Incorporated common stock.

Footnote F2

The restricted stock units (RSUs) vest 100% on April 15, 2027. Events such as retirement, death, disability, and others specified in the agreement may result in vesting prior to the vesting date.

Footnote F3

The restricted stock units (RSUs) vest 100% on April 14, 2028. Events such as retirement, death, disability, and others specified in the agreement may result in vesting prior to the vesting date.

Footnote F4

The restricted stock units (RSUs) vest 100% on April 16, 2029. Events such as retirement, death, disability, and others specified in the agreement may result in vesting prior to the vesting date.

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