SEC Insider Transactions from Zhang John Z.

Last updated: 2026-04-02 21:09 UTC | Total transactions: 73

Zhang John Z, Executive Vice President and CCDO of Corning Inc ($GLW), sold about $1.13 million in company shares across four open market transactions over the last year. His most recent sale occurred on February 12, 2026. These sales rank 4,635th among 11,678 individual insiders, below the average of $8.6 million per seller and 6.4 transactions. He made no open market purchases in this period.

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Transaction Date Company Ticker Insider Name Title Transaction Type Security Shares Price Shares Owned Following Total Shares Outstanding % of Owned % of Outstanding
April 1, 2026 CORNING INC /NY $GLW Zhang John Z Exec. Vice President & CCDO A Restricted Stock Unit 9692 $0.00 75,448.0000 871,000,000 14.74% 0.00%
Feb. 12, 2026 CORNING INC /NY $GLW Zhang John Z Exec. Vice President & CCDO S Common Stock 1531 $133.75 0.0000 871,000,000 100.00% 0.00%
Feb. 9, 2026 CORNING INC /NY $GLW Zhang John Z Exec. Vice President & CCDO M Common Stock 2476 $0.00 2,476.0000 871,000,000 9999.99% 0.00%
Feb. 9, 2026 CORNING INC /NY $GLW Zhang John Z Exec. Vice President & CCDO M Restricted Stock Unit 2476 $0.00 65,756.0000 871,000,000 3.63% 0.00%
Feb. 9, 2026 CORNING INC /NY $GLW Zhang John Z Exec. Vice President & CCDO F Common Stock 945 $131.39 1,531.0000 871,000,000 38.17% 0.00%
Feb. 4, 2026 CORNING INC /NY $GLW Zhang John Z Exec. Vice President & CCDO A Performance Share Unit 15591 $0.00 35,839.0000 871,000,000 77.00% 0.00%
Feb. 4, 2026 CORNING INC /NY $GLW Zhang John Z Exec. Vice President & CCDO A Performance Share Unit 16891 $0.00 16,891.0000 871,000,000 9999.99% 0.00%
Feb. 4, 2026 CORNING INC /NY $GLW Zhang John Z Exec. Vice President & CCDO A Performance Share Unit 20932 $0.00 42,687.0000 871,000,000 96.22% 0.00%
Aug. 8, 2025 CORNING INC /NY $GLW Zhang John Z Exec. Vice President & CCDO M Common Stock 2476 $0.00 2,476.0000 869,000,000 9999.99% 0.00%
Aug. 8, 2025 CORNING INC /NY $GLW Zhang John Z Exec. Vice President & CCDO M Restricted Stock Unit 2476 $0.00 68,232.0000 869,000,000 3.50% 0.00%
Aug. 12, 2025 CORNING INC /NY $GLW Zhang John Z Exec. Vice President & CCDO S Common Stock 1212 $65.53 0.0000 869,000,000 100.00% 0.00%
Aug. 8, 2025 CORNING INC /NY $GLW Zhang John Z Exec. Vice President & CCDO F Common Stock 1264 $65.77 1,212.0000 869,000,000 51.05% 0.00%
May 28, 2025 CORNING INC /NY $GLW Zhang John Z Exec. Vice President & CCDO S Common Stock 9610 $49.29 0.0000 869,000,000 100.00% 0.00%
May 12, 2025 CORNING INC /NY $GLW Zhang John Z Exec. Vice President & CCDO S Common Stock 8000 $46.91 9,610.0000 869,000,000 45.43% 0.00%
April 15, 2025 CORNING INC /NY $GLW Zhang John Z SVP&GM Glass Innov. & Asia M Common Stock 21539 $0.00 21,539.0000 869,000,000 9999.99% 0.00%
April 15, 2025 CORNING INC /NY $GLW Zhang John Z SVP&GM Glass Innov. & Asia M Common Stock 14439 $0.00 35,978.0000 869,000,000 67.04% 0.00%
April 15, 2025 CORNING INC /NY $GLW Zhang John Z SVP&GM Glass Innov. & Asia F Common Stock 18368 $41.78 17,610.0000 869,000,000 51.05% 0.00%
April 15, 2025 CORNING INC /NY $GLW Zhang John Z SVP&GM Glass Innov. & Asia M Performance Share Unit 21539 $0.00 42,003.0000 869,000,000 33.90% 0.00%
April 15, 2025 CORNING INC /NY $GLW Zhang John Z SVP&GM Glass Innov. & Asia M Restricted Stock Unit 14439 $0.00 70,708.0000 869,000,000 16.96% 0.00%
April 1, 2025 CORNING INC /NY $GLW Zhang John Z SVP&GM Glass Innov. & Asia A Restricted Stock Unit 24374 $0.00 85,147.0000 869,000,000 40.11% 0.00%
Feb. 18, 2025 CORNING INC /NY $GLW Zhang John Z SVP&GM Glass Innov. & Asia M Stock Options (Right to Buy) 12529 $0.00 0.0000 869,000,000 100.00% 0.00%
Feb. 18, 2025 CORNING INC /NY $GLW Zhang John Z SVP&GM Glass Innov. & Asia S Common Stock 14111 $52.78 0.0000 869,000,000 100.00% 0.00%
Feb. 18, 2025 CORNING INC /NY $GLW Zhang John Z SVP&GM Glass Innov. & Asia M Common Stock 12529 $33.92 14,111.0000 869,000,000 791.97% 0.00%
Feb. 10, 2025 CORNING INC /NY $GLW Zhang John Z SVP&GM Glass Innov. & Asia F Common Stock 893 $53.05 1,582.0000 869,000,000 36.08% 0.00%
Feb. 10, 2025 CORNING INC /NY $GLW Zhang John Z SVP&GM Glass Innov. & Asia M Restricted Stock Unit 2475 $0.00 60,773.0000 869,000,000 3.91% 0.00%
Feb. 10, 2025 CORNING INC /NY $GLW Zhang John Z SVP&GM Glass Innov. & Asia M Common Stock 2475 $0.00 2,475.0000 869,000,000 9999.99% 0.00%
Feb. 4, 2025 CORNING INC /NY $GLW Zhang John Z SVP&GM Glass Innov. & Asia A Performance Share Unit 20248 $0.00 20,248.0000 869,000,000 9999.99% 0.00%
Feb. 4, 2025 CORNING INC /NY $GLW Zhang John Z SVP&GM Glass Innov. & Asia A Performance Share Unit 16996 $0.00 21,755.0000 869,000,000 357.13% 0.00%
Feb. 4, 2025 CORNING INC /NY $GLW Zhang John Z SVP&GM Glass Innov. & Asia A Performance Share Unit 14717 $0.00 21,539.0000 869,000,000 215.73% 0.00%
Nov. 13, 2024 CORNING INC /NY $GLW Zhang John Z SVP&GM Glass Innov. & Asia M Stock Options (Right to Buy) 5175 $0.00 0.0000 868,000,000 100.00% 0.00%
Nov. 13, 2024 CORNING INC /NY $GLW Zhang John Z SVP&GM Glass Innov. & Asia M Common Stock 5175 $19.65 5,175.0000 868,000,000 9999.99% 0.00%
Nov. 13, 2024 CORNING INC /NY $GLW Zhang John Z SVP&GM Glass Innov. & Asia S Common Stock 5175 $48.36 0.0000 868,000,000 100.00% 0.00%
Aug. 13, 2024 CORNING INC /NY $GLW Zhang John Z SVP&GM Display, MCE & Asia S Common Stock 12918 $39.73 0.0000 859,000,000 100.00% 0.00%
Aug. 8, 2024 CORNING INC /NY $GLW Zhang John Z SVP&GM Display, MCE & Asia F Common Stock 1633 $38.61 12,918.0000 859,000,000 11.22% 0.00%
Aug. 8, 2024 CORNING INC /NY $GLW Zhang John Z SVP&GM Display, MCE & Asia M Common Stock 2475 $0.00 13,830.0000 859,000,000 21.80% 0.00%
Aug. 8, 2024 CORNING INC /NY $GLW Zhang John Z SVP&GM Display, MCE & Asia M Common Stock 721 $0.00 14,551.0000 859,000,000 5.21% 0.00%
Aug. 8, 2024 CORNING INC /NY $GLW Zhang John Z SVP&GM Display, MCE & Asia M Restricted Stock Unit 721 $0.00 55,821.0000 859,000,000 1.28% 0.00%
Aug. 8, 2024 CORNING INC /NY $GLW Zhang John Z SVP&GM Display, MCE & Asia M Restricted Stock Unit 2475 $0.00 63,248.0000 859,000,000 3.77% 0.00%
May 2, 2024 CORNING INC /NY $GLW Zhang John Z SVP&GM Display, MCE & Asia S Common Stock 12546 $33.42 11,355.0000 859,000,000 52.49% 0.00%
April 15, 2024 CORNING INC /NY $GLW Zhang John Z SVP&GM Display, MCE & Asia M Common Stock 9548 $0.00 22,094.0000 859,000,000 76.10% 0.00%
April 15, 2024 CORNING INC /NY $GLW Zhang John Z SVP&GM Display, MCE & Asia F Common Stock 11845 $31.29 23,901.0000 859,000,000 33.14% 0.00%
April 15, 2024 CORNING INC /NY $GLW Zhang John Z SVP&GM Display, MCE & Asia M Restricted Stock Unit 9548 $0.00 66,444.0000 859,000,000 12.56% 0.00%
April 15, 2024 CORNING INC /NY $GLW Zhang John Z SVP&GM Display, MCE & Asia M Performance Share Unit 13652 $0.00 11,581.0000 859,000,000 54.10% 0.00%
April 15, 2024 CORNING INC /NY $GLW Zhang John Z SVP&GM Display, MCE & Asia M Common Stock 13652 $0.00 35,746.0000 859,000,000 61.79% 0.00%
April 1, 2024 CORNING INC /NY $GLW Zhang John Z SVP&GM Display, MCE & Asia A Restricted Stock Unit 22498 $0.00 75,992.0000 859,000,000 42.06% 0.00%
Feb. 15, 2024 CORNING INC /NY $GLW Zhang John Z SVP&GM Display & Corning Asia S Common Stock 6607 $32.02 12,546.0000 859,000,000 34.50% 0.00%
Feb. 8, 2024 CORNING INC /NY $GLW Zhang John Z SVP&GM Display & Corning Asia M Restricted Stock Unit 1440 $0.00 43,592.0000 859,000,000 3.20% 0.00%
Feb. 8, 2024 CORNING INC /NY $GLW Zhang John Z SVP&GM Display & Corning Asia M Common Stock 4951 $0.00 20,175.0000 859,000,000 32.52% 0.00%
Feb. 8, 2024 CORNING INC /NY $GLW Zhang John Z SVP&GM Display & Corning Asia M Common Stock 1440 $0.00 21,615.0000 859,000,000 7.14% 0.00%
Feb. 8, 2024 CORNING INC /NY $GLW Zhang John Z SVP&GM Display & Corning Asia F Common Stock 2462 $31.73 19,153.0000 859,000,000 11.39% 0.00%
Feb. 8, 2024 CORNING INC /NY $GLW Zhang John Z SVP&GM Display & Corning Asia M Restricted Stock Unit 4951 $0.00 52,773.0000 859,000,000 8.58% 0.00%
Feb. 7, 2024 CORNING INC /NY $GLW Zhang John Z SVP&GM Display & Corning Asia A Performance Share Unit 4029 $0.00 13,652.0000 859,000,000 41.87% 0.00%
Feb. 7, 2024 CORNING INC /NY $GLW Zhang John Z SVP&GM Display & Corning Asia A Performance Share Unit 3638 $0.00 6,822.0000 859,000,000 114.26% 0.00%
Feb. 7, 2024 CORNING INC /NY $GLW Zhang John Z SVP&GM Display & Corning Asia A Performance Share Unit 4759 $0.00 4,759.0000 859,000,000 9999.99% 0.00%
May 15, 2023 CORNING INC /NY $GLW Zhang John Z Sr VP&GM Display &Corning Asia M Common Stock 4784 $0.00 17,330.0000 857,000,000 38.13% 0.00%
May 15, 2023 CORNING INC /NY $GLW Zhang John Z Sr VP&GM Display &Corning Asia M Common Stock 690 $0.00 18,020.0000 857,000,000 3.98% 0.00%
May 15, 2023 CORNING INC /NY $GLW Zhang John Z Sr VP&GM Display &Corning Asia F Common Stock 2796 $31.20 15,224.0000 857,000,000 15.52% 0.00%
May 15, 2023 CORNING INC /NY $GLW Zhang John Z Sr VP&GM Display &Corning Asia M Restricted Stock Unit 4784 $0.00 59,885.0000 857,000,000 7.40% 0.00%
May 15, 2023 CORNING INC /NY $GLW Zhang John Z Sr VP&GM Display &Corning Asia M Restricted Stock Unit 690 $0.00 59,885.0000 857,000,000 1.14% 0.00%
May 5, 2023 CORNING INC /NY $GLW Zhang John Z Sr VP&GM Display &Corning Asia S Common Stock 15000 $31.45 12,546.0000 857,000,000 54.45% 0.00%
April 14, 2023 CORNING INC /NY $GLW Zhang John Z Sr VP&GM Display &Corning Asia F Common Stock 28188 $34.78 27,546.0000 857,000,000 50.58% 0.00%
April 14, 2023 CORNING INC /NY $GLW Zhang John Z Sr VP&GM Display &Corning Asia M Performance Share Unit 38466 $0.00 12,807.0000 857,000,000 75.02% 0.00%
April 14, 2023 CORNING INC /NY $GLW Zhang John Z Sr VP&GM Display &Corning Asia M Restricted Stock Unit 17268 $0.00 65,359.0000 857,000,000 20.90% 0.00%
April 14, 2023 CORNING INC /NY $GLW Zhang John Z Sr VP&GM Display &Corning Asia M Common Stock 38466 $0.00 38,466.0000 857,000,000 9999.99% 0.00%
April 14, 2023 CORNING INC /NY $GLW Zhang John Z Sr VP&GM Display &Corning Asia M Common Stock 17268 $0.00 55,734.0000 857,000,000 44.89% 0.00%
April 3, 2023 CORNING INC /NY $GLW Zhang John Z Sr VP&GM Display &Corning Asia A Restricted Stock Unit 18884 $0.00 82,627.0000 857,000,000 29.63% 0.00%
Feb. 16, 2023 CORNING INC /NY $GLW Zhang John Z Senior VP & GM, Display S Common Stock 5744 $35.52 0.0000 857,000,000 100.00% 0.00%
Feb. 8, 2023 CORNING INC /NY $GLW Zhang John Z Senior VP & GM, Display A Restricted Stock Unit 14853 $0.00 61,582.0000 857,000,000 31.79% 0.00%
Feb. 8, 2023 CORNING INC /NY $GLW Zhang John Z Senior VP & GM, Display A Restricted Stock Unit 2161 $0.00 48,890.0000 857,000,000 4.62% 0.00%
Feb. 8, 2023 CORNING INC /NY $GLW Zhang John Z Senior VP & GM, Display A Performance Share Unit 10802 $0.00 38,466.0000 857,000,000 39.05% 0.00%
Feb. 8, 2023 CORNING INC /NY $GLW Zhang John Z Senior VP & GM, Display A Performance Share Unit 2105 $0.00 9,623.0000 857,000,000 28.00% 0.00%
Feb. 8, 2023 CORNING INC /NY $GLW Zhang John Z Senior VP & GM, Display A Performance Share Unit 3184 $0.00 3,184.0000 857,000,000 9999.99% 0.00%
Feb. 3, 2023 CORNING INC /NY $GLW Zhang John Z Senior VP & GM, Display S Common Stock 4655 $36.00 5,744.0000 857,000,000 44.76% 0.00%