Zhang John Z Insider Trading Activity

Average Profitability
<0.0001%
Insider Buys Quantity
0
Insider Buys Sum
$0
Insider Sells Quantity
11
Insider Sells Sum
$5.3M

Insider Activity of Zhang John Z

According to the SEC Form 4 filings, Zhang John Z, being in a position of

  1. Exec. Vice President & CCDO at Corning Inc,
    оver the last 12 months, has bought 0 shares, and sold 26531 share for $4.96M,
    over all time since 2021-03-01, has bought 0 shares, and sold 177660 shares for $11.19M.

Biography of Zhang John Z

No biography is available at this moment.

Statistics of Insider Transactions Last Year

Amount of Insider Buys and Sells by Stocks

Buys
 $000
Sells
 $4,958,1323100

Comparison of Insiders on Amount of Buys and Sells

2026-05-11SaleCorning Incorporated
GLW
Exec. Vice President & CCDO
10,000
0.0011%
$198.34$1.98M-22.99%
2026-05-06SaleCorning Incorporated
GLW
Exec. Vice President & CCDO
15,000
0.002%
$184.67$2.77M-11.8%
2026-02-12SaleCorning Incorporated
GLW
Exec. Vice President & CCDO
1,531
0.0002%
$133.75$204,765+20.1%
2025-08-12SaleCorning Incorporated
GLW
Exec. Vice President & CCDO
1,212
0.0001%
$65.53$79,425+91.25%
2025-05-28SaleCorning Incorporated
GLW
Exec. Vice President & CCDO
9,610
0.0011%
$49.29$473,679+77.86%
2025-05-12SaleCorning Incorporated
GLW
Exec. Vice President & CCDO
8,000
0.0009%
$46.91$375,294+84.08%
2025-02-18SaleCorning Incorporated
GLW
SVP&GM Glass Innov. & Asia
14,111
0.0017%
$52.78$744,757+25.74%
2024-11-13SaleCorning Incorporated
GLW
SVP&GM Glass Innov. & Asia
5,175
0.0006%
$48.36$250,264+9.43%
2024-08-13SaleCorning Incorporated
GLW
SVP&GM Display, MCE & Asia
12,918
0.0015%
$39.73$513,206+21.89%
2024-05-02SaleCorning Incorporated
GLW
SVP&GM Display, MCE & Asia
12,546
0.0015%
$33.42$419,302+36.9%
2024-02-15SaleCorning Incorporated
GLW
SVP&GM Display & Corning Asia
6,607
0.0008%
$32.02$211,563+33.85%
2023-05-05SaleCorning Incorporated
GLW
Sr VP&GM Display &Corning Asia
15,000
0.0018%
$31.45$471,785+2.24%
2023-02-16SaleCorning Incorporated
GLW
Senior VP & GM, Display
5,744
0.0007%
$35.52$204,004-8.22%
2023-02-03SaleCorning Incorporated
GLW
Senior VP & GM, Display
4,655
0.0006%
$36.00$167,593-9.22%
2022-02-04SaleCorning Incorporated
GLW
Senior VP & GM, Display
13,320
0.0016%
$42.01$559,593-17.01%
2021-05-03SaleCorning Incorporated
GLW
Senior VP & GM, Display
19,413
0.0023%
$44.61$866,107-12.34%
2021-03-01SaleCorning Incorporated
GLW
Senior VP & GM, Display
22,818
0.003%
$39.23$895,182+2.79%
Total: 17
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