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Gullo Michelle L

Disclosed activity across 1 company

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14527
SEC CIK
0002096996

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Reported relationships

Latest disclosed role at each company.

CompanyLast reported asReport datePublished
CORNING INC /NYGLW · Entity 2883Senior Vice President & CHROSeptember 04, 2026September 08, 2026

Disclosed balances

About these balances

Latest available filing per company, not a reconstructed current portfolio. Matching sequences show the last reported balance with all source rows expandable; grouping alone does not establish account ownership. Do not add unresolved positions together. Filings may omit unchanged positions, and amendments may correct only part of an older disclosure. Jointly reported shares are not necessarily this owner's personal holdings.

CORNING INC /NY

Report date September 04, 2026 · Filed September 08, 2026

Security / awardOwnership accountDisclosed shares / unitsDisclosure context
Common StockSEC Table I · non-derivativeDirect9,384 Reported balance After 2026-09-04 transaction · row 1
1 source row

Row 1 · 2026-09-04 · Sale · Disposed 9,874 · Balance 9,384

F1: The price reported in column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $151.9935 to $152.55 inclusive. The reporting person undertakes to provide to Corning Incorporated, any security holder of Corning Incorporated, or the staff of the SEC, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth previously in the footnote.

Filing footnotes · ownership attribution and instrument terms

F1: The price reported in column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $151.9935 to $152.55 inclusive. The reporting person undertakes to provide to Corning Incorporated, any security holder of Corning Incorporated, or the staff of the SEC, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth previously in the footnote.

Transaction history

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Purchases/sales include open-market and private transactions. Plan disclosure applies to the filing; individual rows may differ. “Not disclosed” is not “unplanned.”

The cutoff filters transaction history only. Company summaries and owner relationships show the latest available disclosures. Parser corrections can improve historical records.

Transaction dateCompanyActivity / securityShares / unitsReported priceReported valueDetails
September 04, 2026 Filed Sep 8, 2026 20:00 UTC CORNING INC /NY GLW · Entity 2883 SaleCommon Stock 9,874 $152.29 $1,503,713.43
Disclosure

SEC source: 0000024741-26-000259 · form4.xml · nonDerivative · entry 1

Gullo Michelle L · CIK 0002096996 · Senior Vice President & CHRO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 9,384

F1 · price: The price reported in column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $151.9935 to $152.55 inclusive. The reporting person undertakes to provide to Corning Incorporated, any security holder of Corning Incorporated, or the staff of the SEC, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth previously in the footnote.

Read SEC document
June 22, 2026 Filed Jun 23, 2026 20:06 UTC CORNING INC /NY GLW · Entity 2883 Tax withholdingCommon Stock 18,378 $209.83 $3,856,255.74
Disclosure

SEC source: 0000024741-26-000239 · form4.xml · nonDerivative · entry 1

Gullo Michelle L · CIK 0002096996 · Senior Vice President & CHRO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 19,258

F1 · shares: Shares withheld to satisfy the Reporting Person's tax withholding obligations upon the vesting of restricted stock.

Read SEC document
May 08, 2026 Filed May 8, 2026 20:02 UTC CORNING INC /NY GLW · Entity 2883 SaleCommon Stock 5,315 $189.03 $1,004,689.14
Disclosure

SEC source: 0000024741-26-000216 · form4.xml · nonDerivative · entry 1

Gullo Michelle L · CIK 0002096996 · Senior Vice President & CHRO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 37,636

F1 · price: The price reported in column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $188.94 to $189.17 inclusive. The reporting person undertakes to provide to Corning Incorporated, any security holder of Corning Incorporated, or the staff of the SEC, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth previously in the footnote.

Read SEC document
April 15, 2026 Filed Apr 16, 2026 16:06 UTC CORNING INC /NY GLW · Entity 2883 Exercise / conversionRestricted Stock Unit · Derivative 3,793 $0.00 $0.00
Disclosure

SEC source: 0000024741-26-000173 · form4.xml · derivative · entry 10

Gullo Michelle L · CIK 0002096996 · Senior Vice President & CHRO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 3,793 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F4 · derivative.exercise_price: Each restricted stock unit represents a contingent right to receive one share of Corning Incorporated common stock.

F9 · derivative.exercise_date: 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.

F9 · derivative.expiration_date: 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.

Read SEC document
April 15, 2026 Filed Apr 16, 2026 16:06 UTC CORNING INC /NY GLW · Entity 2883 Exercise / conversionPerformance Share Unit · Derivative 9,356 $0.00 $0.00
Disclosure

SEC source: 0000024741-26-000173 · form4.xml · derivative · entry 9

Gullo Michelle L · CIK 0002096996 · Senior Vice President & CHRO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 9,356 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · derivative.exercise_price: Each performance share unit represents a contingent right to receive one share of Corning Incorporated common stock.

F8 · derivative.exercise_date: Earned PSUs remain restricted until April 15, 2026, when they vest and convert to common stock, subject to service-based vesting requirement.

F8 · derivative.expiration_date: Earned PSUs remain restricted until April 15, 2026, when they vest and convert to common stock, subject to service-based vesting requirement.

Read SEC document
April 15, 2026 Filed Apr 16, 2026 16:06 UTC CORNING INC /NY GLW · Entity 2883 Tax withholdingCommon Stock 6,198 $168.27 $1,042,937.46
Disclosure

SEC source: 0000024741-26-000173 · form4.xml · nonDerivative · entry 3

Gullo Michelle L · CIK 0002096996 · Senior Vice President & CHRO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 42,951

Read SEC document
April 15, 2026 Filed Apr 16, 2026 16:06 UTC CORNING INC /NY GLW · Entity 2883 Exercise / conversionCommon Stock 3,793 $0.00 $0.00
Disclosure

SEC source: 0000024741-26-000173 · form4.xml · nonDerivative · entry 2

Gullo Michelle L · CIK 0002096996 · Senior Vice President & CHRO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 49,149

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

Read SEC document
April 15, 2026 Filed Apr 16, 2026 16:06 UTC CORNING INC /NY GLW · Entity 2883 Exercise / conversionCommon Stock 9,356 $0.00 $0.00
Disclosure

SEC source: 0000024741-26-000173 · form4.xml · nonDerivative · entry 1

Gullo Michelle L · CIK 0002096996 · Senior Vice President & CHRO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 45,356

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

Read SEC document
April 01, 2026 Filed Apr 2, 2026 14:31 UTC CORNING INC /NY GLW · Entity 2883 GrantRestricted Stock Unit · Derivative 2,845 $0.00 $0.00
Disclosure

SEC source: 0000024741-26-000151 · form4.xml · derivative · entry 5

Gullo Michelle L · CIK 0002096996 · Senior Vice President & CHRO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 2,845

Underlying: Common Stock · 2,845 shares

Expires not disclosed

F1 · derivative.exercise_price: Each restricted stock unit represents a contingent right to receive one share of Corning Incorporated common stock.

F5 · derivative.exercise_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.

F5 · derivative.expiration_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.

Read SEC document
February 13, 2026 Filed Feb 13, 2026 21:00 UTC CORNING INC /NY GLW · Entity 2883 SaleCommon Stock 587 $131.11 $76,962.45
Disclosure

SEC source: 0000024741-26-000132 · form4.xml · nonDerivative · entry 2

Gullo Michelle L · CIK 0002096996 · Senior Vice President & CHRO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 36,000

Read SEC document
February 12, 2026 Filed Feb 13, 2026 21:00 UTC CORNING INC /NY GLW · Entity 2883 SaleCommon Stock - Held by Spouse 44 $135.83 $5,976.59
Disclosure

SEC source: 0000024741-26-000132 · form4.xml · nonDerivative · entry 1

Gullo Michelle L · CIK 0002096996 · Senior Vice President & CHRO

10b5-1 filing: No plan indicated

Ownership: Indirect · Held by Spouse

Disclosed balance after: 0

F1 · ownership.nature: The reporting person disclaims beneficial ownership of all securities held by spouse.

Read SEC document
February 09, 2026 Filed Feb 11, 2026 21:12 UTC CORNING INC /NY GLW · Entity 2883 Exercise / conversionRestricted Stock Unit · Derivative 76 $0.00 $0.00
Disclosure

SEC source: 0000024741-26-000094 · form4.xml · derivative · entry 9

Gullo Michelle L · CIK 0002096996 · Senior Vice President & CHRO

10b5-1 filing: No plan indicated

Ownership: Indirect · Held by Spouse

Disclosed balance after: 0

Underlying: Common Stock · 76 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F2 · derivative.exercise_price: Each restricted stock unit represents a contingent right to receive one share of Corning Incorporated common stock.

F6 · derivative.exercise_date: The restricted stock units (RSUs) granted on February 8, 2023 vest 1/3 after 1 year from the grant date and 1/6 every 6 months thereafter until fully vested on the third anniversary of the grant date.

F6 · derivative.expiration_date: The restricted stock units (RSUs) granted on February 8, 2023 vest 1/3 after 1 year from the grant date and 1/6 every 6 months thereafter until fully vested on the third anniversary of the grant date.

F1 · ownership.nature: The reporting person disclaims beneficial ownership of all securities held by spouse.

Read SEC document
February 09, 2026 Filed Feb 11, 2026 21:12 UTC CORNING INC /NY GLW · Entity 2883 Exercise / conversionRestricted Stock Unit · Derivative 918 $0.00 $0.00
Disclosure

SEC source: 0000024741-26-000094 · form4.xml · derivative · entry 8

Gullo Michelle L · CIK 0002096996 · Senior Vice President & CHRO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 918 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F2 · derivative.exercise_price: Each restricted stock unit represents a contingent right to receive one share of Corning Incorporated common stock.

F6 · derivative.exercise_date: The restricted stock units (RSUs) granted on February 8, 2023 vest 1/3 after 1 year from the grant date and 1/6 every 6 months thereafter until fully vested on the third anniversary of the grant date.

F6 · derivative.expiration_date: The restricted stock units (RSUs) granted on February 8, 2023 vest 1/3 after 1 year from the grant date and 1/6 every 6 months thereafter until fully vested on the third anniversary of the grant date.

Read SEC document
February 09, 2026 Filed Feb 11, 2026 21:12 UTC CORNING INC /NY GLW · Entity 2883 Tax withholdingCommon Stock 331 $131.39 $43,490.09
Disclosure

SEC source: 0000024741-26-000094 · form4.xml · nonDerivative · entry 4

Gullo Michelle L · CIK 0002096996 · Senior Vice President & CHRO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 36,587

Read SEC document
February 09, 2026 Filed Feb 11, 2026 21:12 UTC CORNING INC /NY GLW · Entity 2883 Tax withholdingCommon Stock - Held by Spouse 32 $131.39 $4,204.48
Disclosure

SEC source: 0000024741-26-000094 · form4.xml · nonDerivative · entry 3

Gullo Michelle L · CIK 0002096996 · Senior Vice President & CHRO

10b5-1 filing: No plan indicated

Ownership: Indirect · Held by Spouse

Disclosed balance after: 44

F1 · ownership.nature: The reporting person disclaims beneficial ownership of all securities held by spouse.

Read SEC document
February 09, 2026 Filed Feb 11, 2026 21:12 UTC CORNING INC /NY GLW · Entity 2883 Exercise / conversionCommon Stock - Held by Spouse 76 $0.00 $0.00
Disclosure

SEC source: 0000024741-26-000094 · form4.xml · nonDerivative · entry 2

Gullo Michelle L · CIK 0002096996 · Senior Vice President & CHRO

10b5-1 filing: No plan indicated

Ownership: Indirect · Held by Spouse

Disclosed balance after: 76

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · ownership.nature: The reporting person disclaims beneficial ownership of all securities held by spouse.

Read SEC document
February 09, 2026 Filed Feb 11, 2026 21:12 UTC CORNING INC /NY GLW · Entity 2883 Exercise / conversionCommon Stock 918 $0.00 $0.00
Disclosure

SEC source: 0000024741-26-000094 · form4.xml · nonDerivative · entry 1

Gullo Michelle L · CIK 0002096996 · Senior Vice President & CHRO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 36,918

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

Read SEC document
February 04, 2026 Filed Feb 6, 2026 21:14 UTC CORNING INC /NY GLW · Entity 2883 Exercise / conversionPerformance Share Unit · Derivative 169 $0.00 $0.00
Disclosure

SEC source: 0000024741-26-000065 · form4.xml · derivative · entry 10

Gullo Michelle L · CIK 0002096996 · Senior Vice President & CHRO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 9,356

Underlying: Common Stock · 169 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · derivative.exercise_price: Each performance share unit represents a contingent right to receive one share of Corning Incorporated common stock.

F7 · derivative.exercise_date: Vesting to satisfy tax requirement pursuant to the 2023 agreement.

F7 · derivative.expiration_date: Vesting to satisfy tax requirement pursuant to the 2023 agreement.

Read SEC document
February 04, 2026 Filed Feb 6, 2026 21:14 UTC CORNING INC /NY GLW · Entity 2883 Exercise / conversionPerformance Share Unit · Derivative 119 $0.00 $0.00
Disclosure

SEC source: 0000024741-26-000065 · form4.xml · derivative · entry 9

Gullo Michelle L · CIK 0002096996 · Senior Vice President & CHRO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 7,404

Underlying: Common Stock · 119 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · derivative.exercise_price: Each performance share unit represents a contingent right to receive one share of Corning Incorporated common stock.

F6 · derivative.exercise_date: Vesting to satisfy tax requirement pursuant to the 2024 agreement.

F6 · derivative.expiration_date: Vesting to satisfy tax requirement pursuant to the 2024 agreement.

Read SEC document
February 04, 2026 Filed Feb 6, 2026 21:14 UTC CORNING INC /NY GLW · Entity 2883 Exercise / conversionPerformance Share Unit · Derivative 98 $0.00 $0.00
Disclosure

SEC source: 0000024741-26-000065 · form4.xml · derivative · entry 8

Gullo Michelle L · CIK 0002096996 · Senior Vice President & CHRO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 2,642

Underlying: Common Stock · 98 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · derivative.exercise_price: Each performance share unit represents a contingent right to receive one share of Corning Incorporated common stock.

F5 · derivative.exercise_date: Vesting to satisfy tax requirement pursuant to the 2025 agreement.

F5 · derivative.expiration_date: Vesting to satisfy tax requirement pursuant to the 2025 agreement.

Read SEC document
February 04, 2026 Filed Feb 6, 2026 21:14 UTC CORNING INC /NY GLW · Entity 2883 GrantPerformance Share Unit · Derivative 4,759 $0.00 $0.00
Disclosure

SEC source: 0000024741-26-000065 · form4.xml · derivative · entry 7

Gullo Michelle L · CIK 0002096996 · Senior Vice President & CHRO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 9,525

Underlying: Common Stock · 4,759 shares

Expires not disclosed

F1 · derivative.exercise_price: Each performance share unit represents a contingent right to receive one share of Corning Incorporated common stock.

F4 · derivative.exercise_date: Performance share units (PSUs) were earned February 4, 2026 per Compensation Committee decision that performance criteria were satisfied for fiscal year 2025 pursuant to the 2023 agreement. Earned PSUs remain restricted until April 15, 2026, when they vest and convert to common stock, subject to service-based vesting requirement.

F4 · derivative.expiration_date: Performance share units (PSUs) were earned February 4, 2026 per Compensation Committee decision that performance criteria were satisfied for fiscal year 2025 pursuant to the 2023 agreement. Earned PSUs remain restricted until April 15, 2026, when they vest and convert to common stock, subject to service-based vesting requirement.

Read SEC document
February 04, 2026 Filed Feb 6, 2026 21:14 UTC CORNING INC /NY GLW · Entity 2883 GrantPerformance Share Unit · Derivative 3,340 $0.00 $0.00
Disclosure

SEC source: 0000024741-26-000065 · form4.xml · derivative · entry 6

Gullo Michelle L · CIK 0002096996 · Senior Vice President & CHRO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 7,523

Underlying: Common Stock · 3,340 shares

Expires not disclosed

F1 · derivative.exercise_price: Each performance share unit represents a contingent right to receive one share of Corning Incorporated common stock.

F3 · derivative.exercise_date: Performance share units (PSUs) were earned February 4, 2026 per Compensation Committee decision that performance criteria were satisfied for fiscal year 2025 pursuant to the 2024 agreement. Earned PSUs remain restricted until April 15, 2027, when they vest and convert to common stock, subject to service-based vesting requirement.

F3 · derivative.expiration_date: Performance share units (PSUs) were earned February 4, 2026 per Compensation Committee decision that performance criteria were satisfied for fiscal year 2025 pursuant to the 2024 agreement. Earned PSUs remain restricted until April 15, 2027, when they vest and convert to common stock, subject to service-based vesting requirement.

Read SEC document
February 04, 2026 Filed Feb 6, 2026 21:14 UTC CORNING INC /NY GLW · Entity 2883 GrantPerformance Share Unit · Derivative 2,740 $0.00 $0.00
Disclosure

SEC source: 0000024741-26-000065 · form4.xml · derivative · entry 5

Gullo Michelle L · CIK 0002096996 · Senior Vice President & CHRO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 2,740

Underlying: Common Stock · 2,740 shares

Expires not disclosed

F1 · derivative.exercise_price: Each performance share unit represents a contingent right to receive one share of Corning Incorporated common stock.

F2 · derivative.exercise_date: Performance share units (PSUs) were earned February 4, 2026 per Compensation Committee decision that performance criteria were satisfied for fiscal year 2025 pursuant to the 2025 agreement. Earned PSUs remain restricted until April 14, 2028, when they vest and convert to common stock, subject to service-based vesting requirement.

F2 · derivative.expiration_date: Performance share units (PSUs) were earned February 4, 2026 per Compensation Committee decision that performance criteria were satisfied for fiscal year 2025 pursuant to the 2025 agreement. Earned PSUs remain restricted until April 14, 2028, when they vest and convert to common stock, subject to service-based vesting requirement.

Read SEC document
February 04, 2026 Filed Feb 6, 2026 21:14 UTC CORNING INC /NY GLW · Entity 2883 Tax withholdingCommon Stock 386 $109.69 $42,340.34
Disclosure

SEC source: 0000024741-26-000065 · form4.xml · nonDerivative · entry 4

Gullo Michelle L · CIK 0002096996 · Senior Vice President & CHRO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 36,000

Read SEC document
February 04, 2026 Filed Feb 6, 2026 21:14 UTC CORNING INC /NY GLW · Entity 2883 Exercise / conversionCommon Stock 169 $0.00 $0.00
Disclosure

SEC source: 0000024741-26-000065 · form4.xml · nonDerivative · entry 3

Gullo Michelle L · CIK 0002096996 · Senior Vice President & CHRO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 36,386

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · price: Each performance share unit represents a contingent right to receive one share of Corning Incorporated common stock.

Read SEC document
February 04, 2026 Filed Feb 6, 2026 21:14 UTC CORNING INC /NY GLW · Entity 2883 Exercise / conversionCommon Stock 119 $0.00 $0.00
Disclosure

SEC source: 0000024741-26-000065 · form4.xml · nonDerivative · entry 2

Gullo Michelle L · CIK 0002096996 · Senior Vice President & CHRO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 36,217

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · price: Each performance share unit represents a contingent right to receive one share of Corning Incorporated common stock.

Read SEC document
February 04, 2026 Filed Feb 6, 2026 21:14 UTC CORNING INC /NY GLW · Entity 2883 Exercise / conversionCommon Stock 98 $0.00 $0.00
Disclosure

SEC source: 0000024741-26-000065 · form4.xml · nonDerivative · entry 1

Gullo Michelle L · CIK 0002096996 · Senior Vice President & CHRO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 36,098

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · price: Each performance share unit represents a contingent right to receive one share of Corning Incorporated common stock.

Read SEC document
January 29, 2026 Filed Jan 30, 2026 21:00 UTC CORNING INC /NY GLW · Entity 2883 SaleCommon Stock - Held by Spouse 44 $102.40 $4,505.38
Disclosure

SEC source: 0000024741-26-000038 · form4.xml · nonDerivative · entry 1

Gullo Michelle L · CIK 0002096996 · Senior Vice President & CHRO

10b5-1 filing: No plan indicated

Ownership: Indirect · Held by Spouse

Disclosed balance after: 0

F1 · ownership.nature: The reporting person disclaims beneficial ownership of all securities held by spouse.

Read SEC document
January 02, 2026 Filed Jan 6, 2026 21:11 UTC CORNING INC /NY GLW · Entity 2883 Exercise / conversionRestricted Stock Unit · Derivative 283 $0.00 $0.00
Disclosure

SEC source: 0000024741-26-000020 · form4.xml · derivative · entry 8

Gullo Michelle L · CIK 0002096996 · Senior Vice President & CHRO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 3,670

Underlying: Common Stock · 283 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F2 · derivative.exercise_price: Each restricted stock unit represents a contingent right to receive one share of Corning Incorporated common stock.

F6 · derivative.exercise_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.

F6 · derivative.expiration_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.

Read SEC document
January 02, 2026 Filed Jan 6, 2026 21:11 UTC CORNING INC /NY GLW · Entity 2883 Tax withholdingCommon Stock 283 $90.67 $25,659.61
Disclosure

SEC source: 0000024741-26-000020 · form4.xml · nonDerivative · entry 2

Gullo Michelle L · CIK 0002096996 · Senior Vice President & CHRO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 36,000

Read SEC document
January 02, 2026 Filed Jan 6, 2026 21:11 UTC CORNING INC /NY GLW · Entity 2883 Exercise / conversionCommon Stock 283 $0.00 $0.00
Disclosure

SEC source: 0000024741-26-000020 · form4.xml · nonDerivative · entry 1

Gullo Michelle L · CIK 0002096996 · Senior Vice President & CHRO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 36,283

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

Read SEC document

Value uses the disclosed total when available, otherwise shares × reported transaction price. It is not an estimate of exercise cash cost or investment performance.