Zhang John Z Insider Trading -- Recent SEC Form 4 Transactions

Zhang John Z (CIK 1825618) reported 19 SEC Form 4 insider transactions across 1 companies over the past 18 months (most recent 2026-05-12). Recent activity: Sell GLW (10,000 shares), Buy GLW (42,687 shares), Buy GLW (18,884 shares), Sell GLW (31,433 shares), Sell GLW (1,531 shares). Source: SEC Form 4.

DateCompanyRoleTypeSharesValue
2026-05-12CORNING INC /NY (GLW)Exec. Vice President & CCDOSell10,000$2.0M
2026-04-16CORNING INC /NY (GLW)Exec. Vice President & CCDOBuy42,687$0
2026-04-16CORNING INC /NY (GLW)Exec. Vice President & CCDOBuy18,884$0
2026-04-16CORNING INC /NY (GLW)Exec. Vice President & CCDOSell31,433$5.3M
2026-02-12CORNING INC /NY (GLW)Exec. Vice President & CCDOSell1,531$204,771
2026-02-11CORNING INC /NY (GLW)Exec. Vice President & CCDOBuy2,476$0
2026-02-11CORNING INC /NY (GLW)Exec. Vice President & CCDOSell945$124,164
2025-08-12CORNING INC /NY (GLW)Exec. Vice President & CCDOBuy2,476$0
2025-08-12CORNING INC /NY (GLW)Exec. Vice President & CCDOSell1,264$83,133
2025-08-12CORNING INC /NY (GLW)Exec. Vice President & CCDOSell1,212$79,422
2025-05-29CORNING INC /NY (GLW)Exec. Vice President & CCDOSell9,610$473,677
2025-05-13CORNING INC /NY (GLW)Exec. Vice President & CCDOSell8,000$375,280
2025-04-17CORNING INC /NY (GLW)SVP&GM Glass Innov. & AsiaBuy21,539$0
2025-04-17CORNING INC /NY (GLW)SVP&GM Glass Innov. & AsiaBuy14,439$0
2025-04-17CORNING INC /NY (GLW)SVP&GM Glass Innov. & AsiaSell18,368$767,415
2025-02-19CORNING INC /NY (GLW)SVP&GM Glass Innov. & AsiaBuy12,529$424,984
2025-02-19CORNING INC /NY (GLW)SVP&GM Glass Innov. & AsiaSell14,111$744,779
2025-02-12CORNING INC /NY (GLW)SVP&GM Glass Innov. & AsiaBuy2,475$0
2025-02-12CORNING INC /NY (GLW)SVP&GM Glass Innov. & AsiaSell893$47,374

Source: SEC Form 4 filings · as of 2026-05-12