John Z. Zhang

All filings by John Z. Zhang on record concern Corning INC /ny, in the capacity of senior executive. We count 28 filings; the first trade dates from 3 May 2021 and the latest from 15 April 2026.

Sales make up the whole of the open-market record (9 sales, €2.8M). Outside the open market, there are 1 share grant and 18 option exercises. 2026 to date brings no purchases and 1 sale.

On 16 April 2026 came the latest disclosure, a share grant for €4.5M in Corning INC /ny. The median gap between a trade and its publication by SEC (Form 4) is 2 days. For comparison, the SEC allows two business days to file a Form 4. Sales are harder to read than purchases, since they often meet personal needs such as tax or diversification. Every figure here comes from the filings published by SEC (Form 4) and describes the past, not future prices; it is not investment advice.