Key facts
- This page summarizes Stefan Becker's Form 4 filing for CORNING INC /NY (GLW).
- 9 reported transactions and 5 derivative rows are listed below.
- Accepted by SEC: 01 May 2026, 09:08.
Stefan Becker - 29 Apr 2026 Form 4 Insider Report for CORNING INC /NY (GLW)
- Reporting relationship
- SVP, Finance & Corp Controller
- Issuer ticker
- GLW
- Reported as of
- 29 Apr 2026
- Net transaction value
- $0
- SEC form
- 4
- Accepted by SEC
- 01 May 2026, 09:08:00 UTC
- Prior SEC filing
- 16 Apr 2026
- Next SEC filing
- 08 May 2026
- Source filing
- View source filing
- Reporting owner signature
- Melissa J. Gambol, Power of Attorney
Source evidence
Original filing metadata and source links for verification.
5 source fields
Reporting owner
1 detail
Key filing fact
Stefan Becker filed Form 4 for CORNING INC /NY (GLW) on 01 May 2026.
Change
- Previous filing in this sequence was filed on 16 Apr 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
View source filing
Ownership activity is grounded in SEC Form 4 disclosures.
Reporting Owners (1)
CIK 0001825967
Primary reporting owner
Becker Stefan
- Relationship
- SVP, Finance & Corp Controller
- Address
- ONE RIVERFRONT PLAZA, CORNING
- Signature
- Melissa J. Gambol, Power of Attorney
- Signature date
- 01 May 2026
Reported non-derivative transactions
Shares, units, or other non-derivative securities reported in this filing.
GLW
transaction
Common Stock
Options Exercise
- Transaction value
- Shares
- +674
- Change %
- +2.4%
- Price
- $0.000000*
- Shares after
- 28,937
- Date
- 29 Apr 2026
- Ownership
- Direct
GLW
transaction
Common Stock
Options Exercise
- Transaction value
- Shares
- +619
- Change %
- +2.1%
- Price
- $0.000000*
- Shares after
- 29,556
- Date
- 29 Apr 2026
- Ownership
- Direct
GLW
transaction
Common Stock
Options Exercise
- Transaction value
- Shares
- +1,073
- Change %
- +3.6%
- Price
- $0.000000*
- Shares after
- 30,629
- Date
- 29 Apr 2026
- Ownership
- Direct
GLW
transaction
Common Stock
Options Exercise
- Transaction value
- Shares
- +429
- Change %
- +1.4%
- Price
- $0.000000*
- Shares after
- 31,058
- Date
- 29 Apr 2026
- Ownership
- Direct
GLW
transaction
Common Stock
Tax liability
- Transaction value
- Shares
- -2,795
- Change %
- -9%
- Price
- $151.90*
- Shares after
- 28,263
- Date
- 29 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
Options Exercise
- Transaction value
- Shares
- -674
- Change %
- -4.6%
- Price
- $0.000000*
- Shares after
- 14,018
- Date
- 29 Apr 2026
- Ownership
- Direct
- Underlying class
- Common Stock
- Underlying amount
- 674
- Exercise price
- Footnotes
- F1, F3
GLW
transaction
Derivative
Restricted Stock Unit
Options Exercise
- Transaction value
- Shares
- -619
- Change %
- -4.6%
- Price
- $0.000000*
- Shares after
- 12,886
- Date
- 29 Apr 2026
- Ownership
- Direct
- Underlying class
- Common Stock
- Underlying amount
- 619
- Exercise price
- Footnotes
- F1, F4
GLW
transaction
Derivative
Performance Share Unit
Options Exercise
- Transaction value
- Shares
- -1,073
- Change %
- -4.6%
- Price
- $0.000000*
- Shares after
- 22,333
- Date
- 29 Apr 2026
- Ownership
- Direct
- Underlying class
- Common Stock
- Underlying amount
- 1,073
- Exercise price
- Footnotes
- F3, F5
GLW
transaction
Derivative
Performance Share Unit
Options Exercise
- Transaction value
- Shares
- -429
- Change %
- -4.6%
- Price
- $0.000000*
- Shares after
- 8,930
- Date
- 29 Apr 2026
- Ownership
- Direct
- Underlying class
- Common Stock
- Underlying amount
- 429
- Exercise price
- Footnotes
- F4, F5
GLW
holding
Derivative
Restricted Stock Unit
No transaction description listed
- Transaction value
- Shares
- Change %
- Price
- Shares after
- 4,846
- Date
- 29 Apr 2026
- Ownership
- Direct
- Underlying class
- Common Stock
- Underlying amount
- 4,846
- Exercise price
- Footnotes
- F1, F2
* marks a reported price that did not pass the local price check.
Additional SEC filing notes
Filing notes and footnotes
Explanation of responses 5 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 16, 2029. Events such as retirement, death, disability, and others specified in the agreement may result in vesting prior to the vesting date.
Footnote F3
Vesting to satisfy tax requirement pursuant to the 2024 agreement.
Footnote F4
Vesting to satisfy tax requirement pursuant to the 2025 agreement.
Footnote F5
Each performance share unit represents a contingent right to receive one share of Corning Incorporated common stock.