Sec Form 4 Filing - WEEKS WENDELL P @ CORNING INC /NY - 2023-04-14

FORM 4 Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).

UNITED 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, Section 17(a) of the Public Utility Holding Company Act of 1935 or Section 30(h) of the Investment Company Act of 1940

OMB APPROVAL OMB Number: 3235-0287 Expires: November 30, 2011 Estimated average burden hours per response... 0.5

1. Name and Address of Reporting Person WEEKS WENDELL P 2. Issuer Name and Ticker or Trading Symbol CORNING INC /NY [ GLW] 5. Relationship of Reporting Person(s) to Issuer (Check all applicable) X __ Director _____ 10% Owner X __ Officer (give title below) _____ Other (specify below) Chairman and CEO (Last) (First) (Middle) ONE RIVERFRONT PLAZA 3. Date of Earliest Transaction (MM/DD/YY) 04/14/2023 (Street) CORNING, NY14831 4. If Amendment, Date Original Filed (MM/DD/YY) 6. Individual or Joint/Group Filing (Check Applicable Line) __ X __ Form filed by One Reporting Person _____ Form filed by More than One Reporting Person (City) (State) (Zip)

Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned 1.Title of Security (Instr. 3) 2. Transaction Date (MM/DD/YY) 2A. Deemed Execution Date, if any (MM/DD/YY) 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) Code V Amount (A) or (D) Price Common Stock 04/14/2023 M 328,994 A $ 0 1,012,095 D Common Stock 04/14/2023 M 147,612 A $ 0 1,159,707 D Common Stock 04/14/2023 F 232,109 D $ 34.78 927,598 D Common Stock 9,200 I Held by Spouse ( 1 ) Common Stock 6,632.572 ( 2 ) I Held By Spouse - Emp. Ben. Plan ( 1 ) Common Stock 10,932.3966 ( 2 ) I Trustee U/employee Benefit Plan

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 (MM/DD/YY) 3A. Deemed Execution Date, if any (MM/DD/YY) 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 (MM/DD/YY) 7. Title and Amount of Underlying Securities (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 of Derivative Security: Direct (D) or Indirect (I) (Instr. 4) 11. Nature of Indirect Beneficial Ownership (Instr. 4) Code V (A) (D) Date Exercisable Expiration Date Title Amount or Number of Shares Restricted Stock Unit ( 3 ) ( 4 ) ( 4 ) Common Stock 10,792 10,792 D Performance Share Unit ( 5 ) ( 6 ) ( 6 ) Common Stock 77,248 77,248 D Performance Share Unit ( 5 ) ( 7 ) ( 7 ) Common Stock 22,198 22,198 D Performance Share Unit ( 5 ) ( 8 ) ( 8 ) Common Stock 37,705 37,705 D Restricted Stock Unit ( 3 ) ( 9 ) ( 9 ) Common Stock 76,375 76,375 D Restricted Stock Unit ( 3 ) ( 10 ) ( 10 ) Common Stock 100,463 100,463 D Restricted Stock Unit ( 3 ) ( 11 ) ( 11 ) Common Stock 108,584 108,584 D Restricted Stock Unit ( 3 ) ( 12 ) ( 12 ) Common Stock 2,902 2,902 D Performance Share Unit ( 5 ) 04/14/2023 M 328,994 ( 13 ) ( 13 ) Common Stock 328,994 $ 0 0 D Restricted Stock Unit ( 3 ) 04/14/2023 M 147,612 ( 14 ) ( 14 ) Common Stock 147,612 $ 0 0 D

Reporting Owners Reporting Owner Name / Address Relationships Director 10% Owner Officer Other WEEKS WENDELL P ONE RIVERFRONT PLAZA CORNING, NY14831 X Chairman and CEO Signatures Linda E. Jolly, Power of Attorney 04/18/2023 Signature of Reporting Person Date

Explanation of Responses:

( 1 )The reporting person disclaims beneficial ownership of all securities held by spouse. ( 2 )Ownership is represented by units held in a unitized stock fund through the issuer's 401(k) retirement plan as of March 31, 2023. ( 3 )Each restricted stock unit represents a contingent right to receive one share of Corning Incorporated common stock. ( 4 )The restricted stock units (RSUs) vest 2/3 after 1 year and 1/3 after 18 months from the grant date. ( 5 )Each performance share unit represents a contingent right to receive one share of Corning Incorporated common stock. ( 6 )Earned performance share units (PSUs) remain restricted until April 15, 2024, when they vest and convert to common stock, subject to service-based vesting requirement. ( 7 )Earned performance share units (PSUs) remain restricted until April 15, 2025, when they vest and convert to common stock, subject to service-based vesting requirement. ( 8 )Performance share units (PSUs) were earned February 3, 2021 per Compensation Committee decision that performance criteria were satisfied for fiscal year 2020 pursuant to the 2020 agreement. Earned PSUs remain restricted until vesting. The earned units will vest ratably over 3 years from the grant date and convert to common stock, subject to service-based vesting requirement. ( 9 )The restricted stock units (RSUs) vest 100% on April 15, 2024. Events such as retirement, death, disability, and others specified in the agreement may result in vesting prior to the vesting date. ( 10 )The restricted stock units (RSUs) vest 100% on April 15, 2025. Events such as retirement, death, disability, and others specified in the agreement may result in vesting prior to the vesting date. ( 11 )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. ( 12 )The restricted stock units will vest on May 15, 2023. Events such as retirement, death, disability, and others specified in the May 2020 agreement may result in vesting prior to the vesting date. ( 13 )The performance share units vested 100% on April 14, 2023. ( 14 )The restricted stock units vested 100% on April 14, 2023.

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.