STOCK TITAN

[Form 4] CORNING INC /NY Insider Trading Activity

Filing Impact
(Neutral)
Filing Sentiment
(Neutral)
Form Type
4

Rhea-AI Filing Summary

Corning Incorporated vice chairman Lewis A. Steverson exercised equity awards and increased his direct share holdings. On April 15, 2026, he converted 71,118 performance share units and 31,109 restricted stock units into the same number of Corning common shares at an exercise price of $0.00 per share.

To cover tax obligations, 49,786 common shares were withheld at $168.27 per share in a tax-withholding disposition, not an open-market sale. After these transactions, Steverson directly holds 55,902 common shares, along with significant remaining unvested performance and restricted stock units that vest between April 15, 2026 and April 16, 2029, subject to service-based vesting conditions.

Positive

  • None.

Negative

  • None.
Insider STEVERSON LEWIS A
Role Vice Chairman, EVP and CLAO
Type Security Shares Price Value
Exercise Performance Share Unit 71,118 $0.00 --
Exercise Restricted Stock Unit 31,109 $0.00 --
Exercise Common Stock 71,118 $0.00 --
Exercise Common Stock 31,109 $0.00 --
Tax Withholding Common Stock 49,786 $168.27 $8.38M
holding Performance Share Unit -- -- --
holding Performance Share Unit -- -- --
holding Restricted Stock Unit -- -- --
holding Restricted Stock Unit -- -- --
holding Restricted Stock Unit -- -- --
Holdings After Transaction: Performance Share Unit — 0 shares (Direct); Restricted Stock Unit — 0 shares (Direct); Common Stock — 74,579 shares (Direct)
Footnotes (1)
  1. Each performance share unit represents a contingent right to receive one share of Corning Incorporated common stock. Earned PSUs remain restricted until April 15, 2027, when they vest and convert to common stock, subject to service-based vesting requirement. Earned PSUs remain restricted until April 14, 2028, when they vest and convert to common stock, subject to service-based vesting requirement. Each restricted stock unit represents a contingent right to receive one share of Corning Incorporated common stock. 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. 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. 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. Earned PSUs remain restricted until April 15, 2026, when they vest and convert to common stock, subject to service-based vesting requirement. 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.
SEC Form 4
FORM 4UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934
or Section 30(h) of the Investment Company Act of 1940
OMB APPROVAL
OMB Number:3235-0287
Estimated average burden
hours per response:0.5
Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).
Check this box to indicate that a transaction was made pursuant to a contract, instruction or written plan for the purchase or sale of equity securities of the issuer that is intended to satisfy the affirmative defense conditions of Rule 10b5-1(c). See Instruction 10.
1. Name and Address of Reporting Person*
STEVERSON LEWIS A

(Last)(First)(Middle)
ONE RIVERFRONT PLAZA

(Street)
CORNING NEW YORK 14831

(City)(State)(Zip)

UNITED STATES

(Country)
2. Issuer Name and Ticker or Trading Symbol
CORNING INC /NY [ GLW ]
5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)
Director10% Owner
XOfficer (give title below)Other (specify below)
Vice Chairman, EVP and CLAO
2a. Foreign Trading Symbol
3. Date of Earliest Transaction (Month/Day/Year)
04/15/2026
6. Individual or Joint/Group Filing (Check Applicable Line)
XForm filed by One Reporting Person
Form filed by More than One Reporting Person
4. If Amendment, Date of Original Filed (Month/Day/Year)

Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
1. Title of Security (Instr. 3) 2. Transaction Date (Month/Day/Year)2A. Deemed Execution Date, if any (Month/Day/Year)3. Transaction Code (Instr. 8) 4. Securities Acquired (A) or Disposed Of (D) (Instr. 3, 4 and 5) 5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4) 6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4) 7. Nature of Indirect Beneficial Ownership (Instr. 4)
CodeVAmount(A) or (D)Price
Common Stock04/15/2026M71,118A$074,579D
Common Stock04/15/2026M31,109A$0105,688D
Common Stock04/15/2026F49,786D$168.2755,902D
Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned
(e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 3) 2. Conversion or Exercise Price of Derivative Security 3. Transaction Date (Month/Day/Year)3A. Deemed Execution Date, if any (Month/Day/Year)4. Transaction Code (Instr. 8) 5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5) 6. Date Exercisable and Expiration Date (Month/Day/Year)7. Title and Amount of Securities Underlying Derivative Security (Instr. 3 and 4) 8. Price of Derivative Security (Instr. 5) 9. Number of derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4) 10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4) 11. Nature of Indirect Beneficial Ownership (Instr. 4)
CodeV(A)(D)Date ExercisableExpiration DateTitleAmount or Number of Shares
Performance Share Unit(1) (2) (2)Common Stock53,61753,617D
Performance Share Unit(1) (3) (3)Common Stock18,16318,163D
Restricted Stock Unit(4) (5) (5)Common Stock33,41433,414D
Restricted Stock Unit(4) (6) (6)Common Stock26,07726,077D
Restricted Stock Unit(4) (7) (7)Common Stock10,11410,114D
Performance Share Unit(1)04/15/2026M71,118 (8) (8)Common Stock71,118$00D
Restricted Stock Unit(4)04/15/2026M31,109 (9) (9)Common Stock31,109$00D
Explanation of Responses:
1. Each performance share unit represents a contingent right to receive one share of Corning Incorporated common stock.
2. Earned PSUs remain restricted until April 15, 2027, when they vest and convert to common stock, subject to service-based vesting requirement.
3. Earned PSUs remain restricted until April 14, 2028, when they vest and convert to common stock, subject to service-based vesting requirement.
4. Each restricted stock unit represents a contingent right to receive one share of Corning Incorporated common stock.
5. 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.
6. 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.
7. 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.
8. Earned PSUs remain restricted until April 15, 2026, when they vest and convert to common stock, subject to service-based vesting requirement.
9. 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.
Melissa J. Gambol, Power of Attorney04/16/2026
** Signature of Reporting PersonDate
Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
* If the form is filed by more than one reporting person, see Instruction 4 (b)(v).
** Intentional misstatements or omissions of facts constitute Federal Criminal Violations See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.
Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB Number.
* Form 4: SEC 1474 (03-26)