InsidersTradesSigma
Total declarations
Companies
▲ Purchases (0 ops.)
▼ Sales (7 ops.)
Insider track record
ExecutiveDisclosed buys
0
Disclosed sells
7
T+90 hit rate
100%
T+90 mean return
+35.2%
Across 1 buy signal with a settled T+90 return. Return basis: close on the day after publication.
Signal history
Explore the detailed record of transactions filed by Zhang John Z, Senior VP & GM, Display. Officer active across 2 companies, notably Corning INC /ny. Aggregated, 24 disclosures have been recorded. Split: 0 buy · 7 sells. Total volume traded: €2.2m. Activity tracked since 3 May 2021. The latest transaction was disclosed on 12 May 2025 (Cession). Regulator: SEC (Form 4). All data is accessible without signup.
Declarations24 total
8,000 shares@ US$46.911710.4% of flowCommon StockSEC:0001127602-25-014055:0
21,539 shares0Common StockSEC:0001127602-25-012293:0
12,529 shares@ US$33.9212.5% of flowCommon StockSEC:0001127602-25-005463:0
2,475 shares0Common StockSEC:0001127602-25-004380:0
5,175 shares@ US$19.653.0% of flowCommon StockSEC:0001127602-24-027298:0
12,918 shares@ US$39.72814.4% of flowCommon StockSEC:0001127602-24-022245:0
2,475 shares0Common StockSEC:0001127602-24-022005:0
12,546 shares@ US$33.421212.0% of flowCommon StockSEC:0001127602-24-013927:0
9,548 shares0Common StockSEC:0001127602-24-013094:0
6,607 shares@ US$32.0216.1% of flowCommon StockSEC:0001127602-24-005343:0
4,951 shares0Common StockSEC:0001127602-24-004471:0
4,784 shares0Common StockSEC:0001127602-23-015916:0
15,000 shares@ US$31.452313.2% of flowCommon StockSEC:0001127602-23-015008:0
38,466 shares0Common StockSEC:0001127602-23-013116:0
5,744 shares@ US$35.5165.9% of flowCommon StockSEC:0001127602-23-005829:0
4,655 shares@ US$36.00284.7% of flowCommon StockSEC:0001127602-23-003548:0
4,784 shares0Common StockSEC:0001127602-22-014962:0
6,265 shares0Common StockSEC:0001127602-22-012275:0
13,320 shares@ US$27.030.0002% mcap54.7% of flowCommon StockSEC:0001127602-22-003383:0
13,320 shares@ US$27.030.0002% mcap100.0% of flowCommon StockSEC:0001127602-22-003383
4,784 shares0Common StockSEC:0001127602-21-017394
4,784 shares0Common StockSEC:0001127602-21-017394:0
11,668 sharesCommon StockSEC:0001127602-21-015529
11,668 shares@ US$27.000.0002% mcap45.3% of flowCommon StockSEC:0001127602-21-015529:0
24 of 24 declarations
About Zhang John Z
Zhang John Z is Senior VP & GM, Display at Corning Inc. He oversees display-related operations, ensuring innovation and efficiency of the company's products.
