Sec Form 4 Filing - WEEKS WENDELL P @ CORNING INC /NY - 2022-04-18

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

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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) 04/18/2022 (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 04/18/2022 M 69,052 A $ 0 69,052 D Common Stock 04/18/2022 F 33,629 D $ 33.87 35,423 D Common Stock 627,802 I By Trust Common Stock 6,416.8032 I Held By Wife - Emp. Ben. Plan( 1 ) Common Stock 9,200 I Held By Wife - In Trust( 1 ) Common Stock 10,576.3997 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 ( 2 ) 04/18/2022 M 69,052 ( 3 ) ( 3 ) Common Stock 69,052 $ 0 0 D Restricted Stock Unit ( 2 ) ( 4 ) ( 4 ) Common Stock 147,612 147,612 D Restricted Stock Unit ( 2 ) ( 5 ) ( 5 ) Common Stock 5,803 5,803 D Restricted Stock Unit ( 2 ) ( 6 ) ( 6 ) Common Stock 76,375 76,375 D Restricted Stock Unit ( 2 ) ( 7 ) ( 7 ) Common Stock 104,373 104,373 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 04/20/2022 Signature of Reporting Person Date

Explanation of Responses:

( 1 )The Reporting Person disclaims beneficial ownership of all securities held by spouse. ( 2 )Each restricted stock unit represents a contingent right to receive one share of Corning Incorporated Common Stock. ( 3 )The Restricted Stock Units vested 100% on April 18, 2022. ( 4 )The Restricted Stock Units vest 100% on April 14, 2023. Vested shares will be delivered to the reporting person within thirty (30) days after April 14, 2023. Events such as retirement, death, disability, and others specified in the agreement may result in vesting prior to April 14, 2023. ( 5 )The restricted stock units will vest ratably over three years from grant date. Vested shares will be delivered to the reporting person within sixty (60) days after vesting. Events such as retirement, death, disability, and others specified in the agreement may result in vesting prior to the vesting dates. ( 6 )The Restricted Stock Units vest 100% on April 15, 2024. Vested shares will be delivered to the reporting person within thirty (30) days after April 15, 2024. Events such as retirement, death, disability, and others specified in the agreement may result in vesting prior to April 15, 2024. ( 7 )The Restricted Stock Units vest 100% on April 15, 2025. Vested shares will be delivered to the reporting person within thirty (30) days after April 15, 2025. Events such as retirement, death, disability, and others specified in the agreement may result in vesting prior to April 15, 2025.

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).

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