John Z Zhang

GLW

John Z Zhang serves as officer: Exec. Vice President & CCDO at Corning Incorporated (GLW). This page tracks their complete SEC Form 4 insider trading history including stock purchases and sales.

Total Buys

0 trades

$0.00

Total Sells

16 trades

$7.04M

Net Position

Net Seller

$7.04M

Companies Traded

GLW

Active Period

Mar 2021 – Feb 2026

16 total trades

Most Recent

Sell GLW

Feb 12, 2026 · $409.5K

John Z Zhang's Insider Trading at Corning Incorporated (GLW)

Buys

0 · $0.00

Sells

16 · $7.04M

Total Shares Bought

Total Shares Sold

162,414

GLW Price Chart

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Date	Type	Shares	Avg Price	Value	Shares After
Feb 12, 2026	Sell	3,062	$133.75	$409.5K	0
Aug 8, 2025	Sell	2,476	$65.65	$162.6K	0
May 28, 2025	Sell	9,610	$49.29	$473.7K	0
May 12, 2025	Sell	8,000	$46.91	$375.3K	0
Apr 15, 2025	Sell	18,368	$41.78	$767.4K	0
Feb 19, 2025	Sell	14,111	$52.78	$744.8K	0
Nov 14, 2024	Sell	5,175	$48.36	$250.3K	0
Aug 15, 2024	Sell	12,918	$39.73	$513.2K	0
May 2, 2024	Sell	12,546	$33.42	$419.3K	11,355
Feb 16, 2024	Sell	6,607	$32.02	$211.6K	12,546
May 9, 2023	Sell	15,000	$31.45	$471.8K	12,546
Feb 17, 2023	Sell	5,744	$35.52	$204.0K	0
Feb 6, 2023	Sell	4,655	$36.00	$167.6K	5,744
Feb 4, 2022	Sell	13,320	$42.01	$559.6K	4,655
May 5, 2021	Sell	19,413	$44.61	$866.1K	4,432
Mar 2, 2021	Sell	11,409	$39.23	$447.6K	0