Insider at

04

Insider transactions

05
0 buys (P) 1 sells (S) Net: $-5,263,675 + 97 non-open-market transactions below 12 months to the week close of 2026-10-23

Price change vs the latest weekly close (updated to the current quote in your browser when available), split-adjusted for corporate actions since the filing — not benchmarked, not annualized, not size-weighted

97 other filings hidden
DateTickerCodeSharesPriceValue Owned afterΔ ownA/Dvs now
May 22, 2026 GLW S 27,395 $192.14 $5,263,675 94,400 Direct -22.49% Disposed -35.6% (price as of )
Sept. 17, 2025 GLW S 17,721 $77.18 $1,367,707 88,722 Direct -16.65% Disposed 60.3% (price as of )
Feb. 16, 2024 GLW S 28,231 $31.96 $902,263 91,241 Direct -23.63% Disposed 287.0% (price as of )

Loaded 100 of 140 rows

P = Open-market purchase · S = Sale · A = Grant/award · M = Option exercise · G = Gift · F = Tax withholding

Insider transactions are not a recommendation; sales are often driven by liquidity or tax reasons.

Derivative holdings (Form 4 Table II) Options, RSUs and convertible securities reported on Form 4 Table II.

06
DateTickerSecurityUnderlying Exercise priceExpirationSharesA/D
May 22, 2026 GLW Stock Options (Right to Buy) Common Stock (7,917) $27.00 March 31, 2027 7,917 Disposed
April 15, 2026 GLW Restricted Stock Unit Common Stock (15,355) · · 15,355 Disposed
April 15, 2026 GLW Performance Share Unit Common Stock (35,559) · · 35,559 Disposed
April 1, 2026 GLW Restricted Stock Unit Common Stock (5,689) · · 5,689 Acquired
Feb. 9, 2026 GLW Restricted Stock Unit Common Stock (2,641) · · 2,641 Disposed
Feb. 4, 2026 GLW Performance Share Unit Common Stock (10,614) · · 10,614 Acquired
Feb. 4, 2026 GLW Performance Share Unit Common Stock (12,091) · · 12,091 Acquired
Feb. 4, 2026 GLW Performance Share Unit Common Stock (18,079) · · 18,079 Acquired
Feb. 4, 2026 GLW Performance Share Unit Common Stock (377) · · 377 Disposed
Feb. 4, 2026 GLW Performance Share Unit Common Stock (429) · · 429 Disposed
Feb. 4, 2026 GLW Performance Share Unit Common Stock (641) · · 641 Disposed
Jan. 2, 2026 GLW Restricted Stock Unit Common Stock (685) · · 685 Disposed
Sept. 17, 2025 GLW Stock Options (Right to Buy) Common Stock (2,543) $20.89 March 31, 2026 2,543 Disposed
Sept. 17, 2025 GLW Stock Options (Right to Buy) Common Stock (2,845) $18.67 April 29, 2026 2,845 Disposed
Sept. 17, 2025 GLW Stock Options (Right to Buy) Common Stock (2,543) $20.89 May 31, 2026 2,543 Disposed
Aug. 8, 2025 GLW Restricted Stock Unit Common Stock (2,641) · · 2,641 Disposed
April 15, 2025 GLW Performance Share Unit Common Stock (20,763) · · 20,763 Disposed
April 15, 2025 GLW Restricted Stock Unit Common Stock (6,367) · · 6,367 Disposed
April 15, 2025 GLW Restricted Stock Unit Common Stock (7,552) · · 7,552 Disposed
April 1, 2025 GLW Restricted Stock Unit Common Stock (15,316) · · 15,316 Acquired
Feb. 10, 2025 GLW Restricted Stock Unit Common Stock (2,640) · · 2,640 Disposed
Feb. 4, 2025 GLW Performance Share Unit Common Stock (15,702) · · 15,702 Acquired
Feb. 4, 2025 GLW Performance Share Unit Common Stock (14,678) · · 14,678 Acquired
Feb. 4, 2025 GLW Performance Share Unit Common Stock (14,710) · · 14,710 Acquired
Feb. 4, 2025 GLW Performance Share Unit Common Stock (557) · · 557 Disposed
Feb. 4, 2025 GLW Performance Share Unit Common Stock (521) · · 521 Disposed
Feb. 4, 2025 GLW Performance Share Unit Common Stock (522) · · 522 Disposed
Jan. 2, 2025 GLW Restricted Stock Unit Common Stock (877) · · 877 Disposed
Aug. 8, 2024 GLW Restricted Stock Unit Common Stock (2,640) · · 2,640 Disposed
Aug. 8, 2024 GLW Restricted Stock Unit Common Stock (1,081) · · 1,081 Disposed
April 15, 2024 GLW Restricted Stock Unit Common Stock (4,439) · · 4,439 Disposed
April 15, 2024 GLW Performance Share Unit Common Stock (6,349) · · 6,349 Disposed
April 1, 2024 GLW Restricted Stock Unit Common Stock (17,447) · · 17,447 Acquired
Feb. 16, 2024 GLW Stock Options (Right to Buy) Common Stock (2,101) $20.82 March 31, 2024 2,101 Disposed
Feb. 16, 2024 GLW Stock Options (Right to Buy) Common Stock (2,092) $20.91 April 30, 2024 2,092 Disposed
Feb. 16, 2024 GLW Stock Options (Right to Buy) Common Stock (2,054) $21.30 May 30, 2024 2,054 Disposed
Feb. 16, 2024 GLW Stock Options (Right to Buy) Common Stock (15,000) $18.80 Oct. 1, 2024 15,000 Disposed
Feb. 16, 2024 GLW Stock Options (Right to Buy) Common Stock (2,205) $22.68 March 31, 2025 2,205 Disposed
Feb. 16, 2024 GLW Stock Options (Right to Buy) Common Stock (2,389) $20.93 April 30, 2025 2,389 Disposed
Feb. 16, 2024 GLW Stock Options (Right to Buy) Common Stock (2,390) $20.92 May 29, 2025 2,390 Disposed
Feb. 8, 2024 GLW Restricted Stock Unit Common Stock (5,281) · · 5,281 Disposed
Feb. 8, 2024 GLW Restricted Stock Unit Common Stock (2,160) · · 2,160 Disposed
Feb. 7, 2024 GLW Performance Share Unit Common Stock (4,110) · · 4,110 Acquired
Feb. 7, 2024 GLW Performance Share Unit Common Stock (3,636) · · 3,636 Acquired
Feb. 7, 2024 GLW Performance Share Unit Common Stock (1,942) · · 1,942 Acquired
Feb. 7, 2024 GLW Performance Share Unit Common Stock (146) · · 146 Disposed
Feb. 7, 2024 GLW Performance Share Unit Common Stock (129) · · 129 Disposed
Feb. 7, 2024 GLW Performance Share Unit Common Stock (69) · · 69 Disposed
Jan. 4, 2024 GLW Restricted Stock Unit Common Stock (954) · · 954 Disposed
May 15, 2023 GLW Restricted Stock Unit Common Stock (2,979) · · 2,979 Disposed
May 15, 2023 GLW Restricted Stock Unit Common Stock (517) · · 517 Disposed
April 14, 2023 GLW Performance Share Unit Common Stock (19,394) · · 19,394 Disposed
April 14, 2023 GLW Restricted Stock Unit Common Stock (8,707) · · 8,707 Disposed
April 3, 2023 GLW Restricted Stock Unit Common Stock (16,309) · · 16,309 Acquired
March 28, 2023 GLW Performance Share Unit Common Stock (713) · · 713 Disposed
March 28, 2023 GLW Performance Share Unit Common Stock (165) · · 165 Disposed
March 28, 2023 GLW Performance Share Unit Common Stock (114) · · 114 Disposed
March 28, 2023 GLW Restricted Stock Unit Common Stock (320) · · 320 Disposed
March 28, 2023 GLW Restricted Stock Unit Common Stock (164) · · 164 Disposed
March 28, 2023 GLW Restricted Stock Unit Common Stock (234) · · 234 Disposed
March 28, 2023 GLW Restricted Stock Unit Common Stock (278) · · 278 Disposed
Feb. 8, 2023 GLW Restricted Stock Unit Common Stock (3,241) · · 3,241 Acquired
Feb. 8, 2023 GLW Restricted Stock Unit Common Stock (15,843) · · 15,843 Acquired
Feb. 8, 2023 GLW Performance Share Unit Common Stock (3,182) · · 3,182 Acquired
Feb. 8, 2023 GLW Performance Share Unit Common Stock (1,015) · · 1,015 Acquired
Feb. 8, 2023 GLW Performance Share Unit Common Stock (5,646) · · 5,646 Acquired

Exercise/conversion price is blank when not applicable (e.g. RSUs).

Initial ownership (Form 3) 26 holdings

07

Securities held when first becoming an insider, per SEC Form 3.

DateTickerSecuritySharesOwnership
April 11, 2025 GLW Common Stock 88,922 Direct
June 1, 2022 GLW Common Stock 88,886 Direct
June 1, 2022 GLW Common Stock 2,339 Indirect
June 1, 2022 GLW Phantom Stock→ Common Stock (111) 111 Direct
June 1, 2022 GLW Performance Share Unit→ Common Stock (14,461) 14,461 Direct
June 1, 2022 GLW Performance Share Unit→ Common Stock (3,626) 3,626 Direct
June 1, 2022 GLW Restricted Stock Unit→ Common Stock (9,027) 9,027 Direct
June 1, 2022 GLW Restricted Stock Unit→ Common Stock (4,603) 4,603 Direct
June 1, 2022 GLW Restricted Stock Unit→ Common Stock (6,601) 6,601 Direct
June 1, 2022 GLW Restricted Stock Unit→ Common Stock (7,830) 7,830 Direct
June 1, 2022 GLW Restricted Stock Unit→ Common Stock (2,979) 2,979 Direct
June 1, 2022 GLW Restricted Stock Unit→ Common Stock (517) 517 Direct
June 1, 2022 GLW Stock Options (Right to Buy)→ Common Stock (2,101) 2,101 Direct
June 1, 2022 GLW Stock Options (Right to Buy)→ Common Stock (2,092) 2,092 Direct
June 1, 2022 GLW Stock Options (Right to Buy)→ Common Stock (2,054) 2,054 Direct
June 1, 2022 GLW Stock Options (Right to Buy)→ Common Stock (15,000) 15,000 Direct
June 1, 2022 GLW Stock Options (Right to Buy)→ Common Stock (2,205) 2,205 Direct
June 1, 2022 GLW Stock Options (Right to Buy)→ Common Stock (2,389) 2,389 Direct
June 1, 2022 GLW Stock Options (Right to Buy)→ Common Stock (2,390) 2,390 Direct
June 1, 2022 GLW Stock Options (Right to Buy)→ Common Stock (2,543) 2,543 Direct
June 1, 2022 GLW Stock Options (Right to Buy)→ Common Stock (2,845) 2,845 Direct
June 1, 2022 GLW Stock Options (Right to Buy)→ Common Stock (2,543) 2,543 Direct
June 1, 2022 GLW Stock Options (Right to Buy)→ Common Stock (7,917) 7,917 Direct
June 1, 2022 GLW Stock Options (Right to Buy)→ Common Stock (9,157) 9,157 Direct
June 1, 2022 GLW Stock Options (Right to Buy)→ Common Stock (8,476) 8,476 Direct
June 1, 2022 GLW Stock Options (Right to Buy)→ Common Stock (7,750) 7,750 Direct

Holdings reported on Form 4 133 reported holdings

08

Positions listed on each Form 4 without a transaction in that filing (Table I and II holdings), newest filing first.

DateTickerSecuritySharesExercise priceExpirationOwnership
May 26, 2026 GLW Common Stock 2,602 · · Indirect
April 16, 2026 GLW Common Stock 2,602 · · Indirect
April 16, 2026 GLW Performance Share Unit→ Common Stock (26,807) 26,807 · · Direct
April 16, 2026 GLW Performance Share Unit→ Common Stock (10,237) 10,237 · · Direct
April 16, 2026 GLW Restricted Stock Unit→ Common Stock (16,570) 16,570 · · Direct
April 16, 2026 GLW Restricted Stock Unit→ Common Stock (14,631) 14,631 · · Direct
April 16, 2026 GLW Restricted Stock Unit→ Common Stock (5,689) 5,689 · · Direct
April 2, 2026 GLW Common Stock 87,760 · · Direct
April 2, 2026 GLW Common Stock 2,602 · · Indirect
April 2, 2026 GLW Restricted Stock Unit→ Common Stock (16,570) 16,570 · · Direct
April 2, 2026 GLW Restricted Stock Unit→ Common Stock (14,631) 14,631 · · Direct
April 2, 2026 GLW Restricted Stock Unit→ Common Stock (15,355) 15,355 · · Direct
Feb. 11, 2026 GLW Common Stock 2,596 · · Indirect
Feb. 11, 2026 GLW Restricted Stock Unit→ Common Stock (16,570) 16,570 · · Direct
Feb. 11, 2026 GLW Restricted Stock Unit→ Common Stock (14,631) 14,631 · · Direct
Feb. 11, 2026 GLW Restricted Stock Unit→ Common Stock (15,355) 15,355 · · Direct
Feb. 6, 2026 GLW Common Stock 2,596 · · Indirect
Jan. 6, 2026 GLW Common Stock 2,596 · · Indirect
Jan. 6, 2026 GLW Restricted Stock Unit→ Common Stock (2,641) 2,641 · · Direct
Jan. 6, 2026 GLW Restricted Stock Unit→ Common Stock (16,570) 16,570 · · Direct
Jan. 6, 2026 GLW Restricted Stock Unit→ Common Stock (15,355) 15,355 · · Direct
Oct. 30, 2025 GLW Common Stock 2,588 · · Indirect
Sept. 18, 2025 GLW Common Stock 2,579 · · Indirect
Aug. 12, 2025 GLW Common Stock 2,579 · · Indirect
Aug. 12, 2025 GLW Restricted Stock Unit→ Common Stock (16,570) 16,570 · · Direct
Aug. 12, 2025 GLW Restricted Stock Unit→ Common Stock (15,316) 15,316 · · Direct
Aug. 12, 2025 GLW Restricted Stock Unit→ Common Stock (15,355) 15,355 · · Direct
July 16, 2025 GLW Common Stock 2,579 · · Indirect
April 17, 2025 GLW Common Stock 2,565 · · Indirect
April 17, 2025 GLW Performance Share Unit→ Common Stock (18,121) 18,121 · · Direct
April 17, 2025 GLW Performance Share Unit→ Common Stock (15,145) 15,145 · · Direct
April 17, 2025 GLW Restricted Stock Unit→ Common Stock (5,282) 5,282 · · Direct
April 17, 2025 GLW Restricted Stock Unit→ Common Stock (15,355) 15,355 · · Direct
April 17, 2025 GLW Restricted Stock Unit→ Common Stock (16,570) 16,570 · · Direct
April 17, 2025 GLW Restricted Stock Unit→ Common Stock (15,316) 15,316 · · Direct
April 3, 2025 GLW Common Stock 89,604 · · Direct
April 3, 2025 GLW Common Stock 2,565 · · Indirect
April 3, 2025 GLW Restricted Stock Unit→ Common Stock (5,282) 5,282 · · Direct
April 3, 2025 GLW Restricted Stock Unit→ Common Stock (6,367) 6,367 · · Direct
April 3, 2025 GLW Restricted Stock Unit→ Common Stock (7,552) 7,552 · · Direct
April 3, 2025 GLW Restricted Stock Unit→ Common Stock (15,355) 15,355 · · Direct
April 3, 2025 GLW Restricted Stock Unit→ Common Stock (16,570) 16,570 · · Direct
Feb. 12, 2025 GLW Common Stock 2,550 · · Indirect
Feb. 12, 2025 GLW Restricted Stock Unit→ Common Stock (6,367) 6,367 · · Direct
Feb. 12, 2025 GLW Restricted Stock Unit→ Common Stock (7,552) 7,552 · · Direct
Feb. 12, 2025 GLW Restricted Stock Unit→ Common Stock (15,355) 15,355 · · Direct
Feb. 12, 2025 GLW Restricted Stock Unit→ Common Stock (16,570) 16,570 · · Direct
Feb. 6, 2025 GLW Common Stock 2,550 · · Indirect
Jan. 6, 2025 GLW Common Stock 2,550 · · Indirect
Jan. 6, 2025 GLW Restricted Stock Unit→ Common Stock (7,922) 7,922 · · Direct
Jan. 6, 2025 GLW Restricted Stock Unit→ Common Stock (6,367) 6,367 · · Direct
Jan. 6, 2025 GLW Restricted Stock Unit→ Common Stock (7,552) 7,552 · · Direct
Jan. 6, 2025 GLW Restricted Stock Unit→ Common Stock (15,355) 15,355 · · Direct
Dec. 18, 2024 GLW Common Stock 2,535 · · Indirect
Aug. 12, 2024 GLW Common Stock 2,520 · · Indirect
Aug. 12, 2024 GLW Restricted Stock Unit→ Common Stock (6,367) 6,367 · · Direct
Aug. 12, 2024 GLW Restricted Stock Unit→ Common Stock (17,447) 17,447 · · Direct
Aug. 12, 2024 GLW Restricted Stock Unit→ Common Stock (7,552) 7,552 · · Direct
Aug. 12, 2024 GLW Restricted Stock Unit→ Common Stock (15,355) 15,355 · · Direct
July 16, 2024 GLW Common Stock 2,520 · · Indirect
April 17, 2024 GLW Common Stock 2,502 · · Indirect
April 17, 2024 GLW Restricted Stock Unit→ Common Stock (10,562) 10,562 · · Direct
April 17, 2024 GLW Restricted Stock Unit→ Common Stock (1,081) 1,081 · · Direct
April 17, 2024 GLW Performance Share Unit→ Common Stock (6,575) 6,575 · · Direct
April 17, 2024 GLW Performance Share Unit→ Common Stock (3,964) 3,964 · · Direct
April 17, 2024 GLW Restricted Stock Unit→ Common Stock (6,367) 6,367 · · Direct
April 17, 2024 GLW Restricted Stock Unit→ Common Stock (17,447) 17,447 · · Direct
April 17, 2024 GLW Restricted Stock Unit→ Common Stock (7,552) 7,552 · · Direct
April 17, 2024 GLW Restricted Stock Unit→ Common Stock (15,355) 15,355 · · Direct
April 3, 2024 GLW Common Stock 91,241 · · Direct
April 3, 2024 GLW Common Stock 2,502 · · Indirect
April 3, 2024 GLW Restricted Stock Unit→ Common Stock (10,562) 10,562 · · Direct
April 3, 2024 GLW Restricted Stock Unit→ Common Stock (1,081) 1,081 · · Direct
April 3, 2024 GLW Restricted Stock Unit→ Common Stock (4,439) 4,439 · · Direct
April 3, 2024 GLW Restricted Stock Unit→ Common Stock (6,367) 6,367 · · Direct
April 3, 2024 GLW Restricted Stock Unit→ Common Stock (7,552) 7,552 · · Direct
April 3, 2024 GLW Restricted Stock Unit→ Common Stock (15,355) 15,355 · · Direct
Feb. 20, 2024 GLW Common Stock 2,481 · · Indirect
Feb. 12, 2024 GLW Common Stock 2,481 · · Indirect
Feb. 12, 2024 GLW Restricted Stock Unit→ Common Stock (4,439) 4,439 · · Direct
Feb. 12, 2024 GLW Restricted Stock Unit→ Common Stock (6,367) 6,367 · · Direct
Feb. 12, 2024 GLW Restricted Stock Unit→ Common Stock (7,552) 7,552 · · Direct
Feb. 12, 2024 GLW Restricted Stock Unit→ Common Stock (15,355) 15,355 · · Direct
Feb. 8, 2024 GLW Common Stock 2,481 · · Indirect
Jan. 8, 2024 GLW Common Stock 2,481 · · Indirect
Jan. 8, 2024 GLW Restricted Stock Unit→ Common Stock (15,843) 15,843 · · Direct
Jan. 8, 2024 GLW Restricted Stock Unit→ Common Stock (3,241) 3,241 · · Direct
Jan. 8, 2024 GLW Restricted Stock Unit→ Common Stock (4,439) 4,439 · · Direct
Jan. 8, 2024 GLW Restricted Stock Unit→ Common Stock (6,367) 6,367 · · Direct
Jan. 8, 2024 GLW Restricted Stock Unit→ Common Stock (7,552) 7,552 · · Direct
July 19, 2023 GLW Common Stock 2,437 · · Indirect
May 17, 2023 GLW Common Stock 2,418 · · Indirect
May 17, 2023 GLW Restricted Stock Unit→ Common Stock (15,843) 15,843 · · Direct
May 17, 2023 GLW Restricted Stock Unit→ Common Stock (3,241) 3,241 · · Direct
May 17, 2023 GLW Restricted Stock Unit→ Common Stock (4,439) 4,439 · · Direct
May 17, 2023 GLW Restricted Stock Unit→ Common Stock (6,367) 6,367 · · Direct
May 17, 2023 GLW Restricted Stock Unit→ Common Stock (7,552) 7,552 · · Direct
May 17, 2023 GLW Restricted Stock Unit→ Common Stock (16,309) 16,309 · · Direct
April 18, 2023 GLW Common Stock 2,418 · · Indirect
April 18, 2023 GLW Restricted Stock Unit→ Common Stock (15,843) 15,843 · · Direct

Loaded 100 of 133 rows