Key facts
- This page summarizes Ronald L. Verkleeren's Form 4 filing for CORNING INC /NY (GLW).
- 5 reported transactions and 7 derivative rows are listed below.
- Accepted by SEC: 16 Apr 2026, 14:38.
Ronald L. Verkleeren - 15 Apr 2026 Form 4 Insider Report for CORNING INC /NY (GLW)
- Reporting relationship
- SVP Emerging Innovations Group
- Issuer ticker
- GLW
- Reported as of
- 15 Apr 2026
- Net transaction value
- $0
- SEC form
- 4
- Accepted by SEC
- 16 Apr 2026, 14:38:03 UTC
- Prior SEC filing
- 02 Apr 2026
- Next SEC filing
- 14 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
Ronald L. Verkleeren filed Form 4 for CORNING INC /NY (GLW) on 16 Apr 2026.
Change
- Previous filing in this sequence was filed on 02 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 0001825613
Primary reporting owner
Verkleeren Ronald L
- Relationship
- SVP Emerging Innovations Group
- Address
- ONE RIVERFRONT PLAZA, CORNING
- Signature
- Melissa J. Gambol, Power of Attorney
- Signature date
- 16 Apr 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
- +32,571
- Change %
- +96%
- Price
- $0.000000*
- Shares after
- 66,654
- Date
- 15 Apr 2026
- Ownership
- Direct
GLW
transaction
Common Stock
Options Exercise
- Transaction value
- Shares
- +14,332
- Change %
- +22%
- Price
- $0.000000*
- Shares after
- 80,986
- Date
- 15 Apr 2026
- Ownership
- Direct
GLW
transaction
Common Stock
Tax liability
- Transaction value
- Shares
- -22,843
- Change %
- -28%
- Price
- $168.27*
- Shares after
- 58,143
- Date
- 15 Apr 2026
- Ownership
- Direct
Reported derivative securities
Options, warrants, convertible securities, or similar derivative positions disclosed in the filing.
GLW
transaction
Derivative
Performance Share Unit
Options Exercise
- Transaction value
- Shares
- -32,571
- Change %
- -100%
- Price
- $0.000000*
- Shares after
- 0
- Date
- 15 Apr 2026
- Ownership
- Direct
- Underlying class
- Common Stock
- Underlying amount
- 32,571
- Exercise price
- Footnotes
- F1, F8
GLW
transaction
Derivative
Restricted Stock Unit
Options Exercise
- Transaction value
- Shares
- -14,332
- Change %
- -100%
- Price
- $0.000000*
- Shares after
- 0
- Date
- 15 Apr 2026
- Ownership
- Direct
- Underlying class
- Common Stock
- Underlying amount
- 14,332
- Exercise price
- Footnotes
- F4, F9
GLW
holding
Derivative
Performance Share Unit
No transaction description listed
- Transaction value
- Shares
- Change %
- Price
- Shares after
- 24,543
- Date
- 15 Apr 2026
- Ownership
- Direct
- Underlying class
- Common Stock
- Underlying amount
- 24,543
- Exercise price
- Footnotes
- F1, F2
GLW
holding
Derivative
Performance Share Unit
No transaction description listed
- Transaction value
- Shares
- Change %
- Price
- Shares after
- 8,145
- Date
- 15 Apr 2026
- Ownership
- Direct
- Underlying class
- Common Stock
- Underlying amount
- 8,145
- Exercise price
- Footnotes
- F1, F3
GLW
holding
Derivative
Restricted Stock Unit
No transaction description listed
- Transaction value
- Shares
- Change %
- Price
- Shares after
- 15,333
- Date
- 15 Apr 2026
- Ownership
- Direct
- Underlying class
- Common Stock
- Underlying amount
- 15,333
- Exercise price
- Footnotes
- F4, F5
GLW
holding
Derivative
Restricted Stock Unit
No transaction description listed
- Transaction value
- Shares
- Change %
- Price
- Shares after
- 11,612
- Date
- 15 Apr 2026
- Ownership
- Direct
- Underlying class
- Common Stock
- Underlying amount
- 11,612
- Exercise price
- Footnotes
- F4, F6
GLW
holding
Derivative
Restricted Stock Unit
No transaction description listed
- Transaction value
- Shares
- Change %
- Price
- Shares after
- 4,056
- Date
- 15 Apr 2026
- Ownership
- Direct
- Underlying class
- Common Stock
- Underlying amount
- 4,056
- Exercise price
- Footnotes
- F4, F7
* marks a reported price that did not pass the local price check.
Additional SEC filing notes
Filing notes and footnotes
Explanation of responses 9 footnotes
Footnote F1
Each performance share unit represents a contingent right to receive one share of Corning Incorporated common stock.
Footnote F2
Earned PSUs remain restricted until April 15, 2027, when they vest and convert to common stock, subject to service-based vesting requirement.
Footnote F3
Earned PSUs remain restricted until April 14, 2028, when they vest and convert to common stock, subject to service-based vesting requirement.
Footnote F4
Each restricted stock unit represents a contingent right to receive one share of Corning Incorporated common stock.
Footnote F5
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 F6
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 F7
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 F8
Earned PSUs remain restricted until April 15, 2026, when they vest and convert to common stock, subject to service-based vesting requirement.
Footnote F9
The restricted stock units (RSUs) vest 100% on April 15, 2026. Events such as retirement, death, disability, and others specified in the agreement may result in vesting prior to the vesting date.