Zhang John Z

Zhang John Z, Exec. Vice President & CCDO, has filed 6 insider trading reports covering 1 company. Total disclosed trading volume is $7.8M. Sales ($2.3M) outpace purchases ($0) over this period. Insider sales are common for diversification and personal financial planning and should be evaluated with full context. The largest single filing involves CORNING INC /NY (GLW). All transactions sourced from SEC Form 4 filings.