John Z Zhang Corning Inc (GLW) insider trading activity

John Z Zhang is Exec. Vice President & CCDO of CORNING INC . Currently has a direct ownership of 0 shares of GLW, which is worth approximately $0. The most recent transaction as insider was on May 28, 2025, when has been sold 9,610 shares (Common Stock) at a price of $49.29 per share, resulting in proceeds of $473,676. This information was disclosed in a Form 4 filing with the Securities and Exchange Commission (SEC).

Shares Held (Direct Ownership) 0

0% 3M change

100.0% 12M change

Total Value Held $0

John Z Zhang Transaction History

Date	Transaction	Value	Shares Traded	Shares Held
May 28 2025	SELL Open market or private sale	$473,676 $49.29 p/Share	9,610 Reduced 100.0%	0 Common Stock
May 12 2025	SELL Open market or private sale	$375,280 $46.91 p/Share	8,000 Reduced 45.43%	9,610 Common Stock
Apr 15 2025	SELL Payment of exercise price or tax liability	$767,415 $41.78 p/Share	18,368 Reduced 51.05%	17,610 Common Stock
Apr 15 2025	BUY Exercise of conversion of derivative security	-	35,978 Added 50.0%	35,978 Common Stock
Feb 18 2025	SELL Open market or private sale	$744,778 $52.78 p/Share	14,111 Reduced 100.0%	0 Common Stock
Feb 18 2025	BUY Exercise of conversion of derivative security	$424,983 $33.92 p/Share	12,529 Added 47.03%	14,111 Common Stock
Feb 10 2025	SELL Payment of exercise price or tax liability	$47,373 $53.05 p/Share	893 Reduced 36.08%	1,582 Common Stock
Feb 10 2025	BUY Exercise of conversion of derivative security	-	2,475 Added 50.0%	2,475 Common Stock
Nov 13 2024	SELL Open market or private sale	$250,263 $48.36 p/Share	5,175 Reduced 100.0%	0 Common Stock
Nov 13 2024	BUY Exercise of conversion of derivative security	$101,688 $19.65 p/Share	5,175 Added 50.0%	5,175 Common Stock
Aug 13 2024	SELL Open market or private sale	$513,232 $39.73 p/Share	12,918 Reduced 100.0%	0 Common Stock
Aug 08 2024	SELL Payment of exercise price or tax liability	$63,050 $38.61 p/Share	1,633 Reduced 11.22%	12,918 Common Stock
Aug 08 2024	BUY Exercise of conversion of derivative security	-	3,196 Added 18.01%	14,551 Common Stock
May 02 2024	SELL Open market or private sale	$419,287 $33.42 p/Share	12,546 Reduced 52.49%	11,355 Common Stock
Apr 15 2024	SELL Payment of exercise price or tax liability	$370,630 $31.29 p/Share	11,845 Reduced 33.14%	23,901 Common Stock
Apr 15 2024	BUY Exercise of conversion of derivative security	-	23,200 Added 39.36%	35,746 Common Stock
Feb 15 2024	SELL Open market or private sale	$211,556 $32.02 p/Share	6,607 Reduced 34.5%	12,546 Common Stock
Feb 08 2024	SELL Payment of exercise price or tax liability	$78,119 $31.73 p/Share	2,462 Reduced 11.39%	19,153 Common Stock
Feb 08 2024	BUY Exercise of conversion of derivative security	-	6,391 Added 22.82%	21,615 Common Stock
May 15 2023	SELL Payment of exercise price or tax liability	$87,235 $31.2 p/Share	2,796 Reduced 15.52%	15,224 Common Stock
May 15 2023	BUY Exercise of conversion of derivative security	-	5,474 Added 23.3%	18,020 Common Stock
May 05 2023	SELL Open market or private sale	$471,750 $31.45 p/Share	15,000 Reduced 54.45%	12,546 Common Stock
Apr 14 2023	SELL Payment of exercise price or tax liability	$980,378 $34.78 p/Share	28,188 Reduced 50.58%	27,546 Common Stock
Apr 14 2023	BUY Exercise of conversion of derivative security	-	55,734 Added 50.0%	55,734 Common Stock
Feb 16 2023	SELL Open market or private sale	$204,026 $35.52 p/Share	5,744 Reduced 100.0%	0 Common Stock

JZZ

John Z Zhang

Exec. Vice President & CCDO

Corning, NY

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