InsidersTradesSigma
Total declarations
Companies
▲ Purchases (0 ops.)
▼ Sales (9 ops.)
Insider track record
ExecutiveDisclosed buys
0
Disclosed sells
9
Not enough buy signals with a settled T+90 horizon to measure a track record yet.
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, 28 disclosures have been recorded. Split: 0 buy · 9 sells. Total volume traded: €2.8m. Activity tracked since 3 May 2021. The latest transaction was disclosed on 15 April 2026 (Retenue fiscale). Regulator: SEC (Form 4). All data is accessible without signup.
Companies and markets linked to Zhang John Z
Open company profiles for insider transactions, fundamentals and analyst consensus when available.
Declarations28 total
42,687 shares0Common StockSEC:0000024741-26-000189:0
18,884 shares0Common StockSEC:0000024741-26-000189:1
31,433 shares@ US$168.270.0030% mcap58.0% of flowCommon StockSEC:0000024741-26-000189:2
1,531 shares@ US$133.74572.2% of flowCommon StockSEC:0000024741-26-000130:0
2,476 shares0Common StockSEC:0000024741-26-000102:0
2,476 shares0Common StockSEC:0000024741-25-000082:0
9,610 shares@ US$49.29025.1% of flowCommon StockSEC:0001127602-25-015885:0
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
25 of 28 declarations
About Zhang John Z
Zhang John Z is Senior VP & GM, Display. He has 28 filings in total, and across the sampled recent filings covering the period from 2021-05-05 to 2026-04-16, sell transactions total EUR 2759278, with the modal transaction nature being option exercise.
