John Z Zhang sold $79k of GLW
Exec. Vice President & CCDO at CORNING INC /NY. 1,212 shares at an average of $65.53, traded Aug 12, 2025, filed Aug 12, 2025.
Score components
- +15RoleOfficer
- +9Trade size$79k at market
- +20Share of holdings soldSold 100% of holdings
- +15Cluster7 insiders selling within 14 days
- +10Role exitThe filing reports the insider leaving
- -15Exercise and sellShares came from an option exercise in the same filing
What happened after comparable sells
Same side and tier, against the S&P 500, at 1, 3 and 6 months. Shown to Pro users; the whole table is on the backtest page.
Price around the trade, and since
From a quarter before the trade to today. The arrow is the trade, the circle the day the filing reached EDGAR, which is the first day anyone outside could act; the dotted line is the S&P 500 rebased to that day's close.
Daily candles, adjusted for splits and dividends. Green arrows are insider buys, red are sells, sized by value; the dashed line is the close on the filing day, the dotted line SPY rebased to it.Charts by TradingView Lightweight Charts™
Rows in this filing
Every transaction in Form 4 0000024741-25-000082, as filed. Open on EDGAR
| Date | Transaction | Shares | Price | Value | Holdings after | Filed |
|---|---|---|---|---|---|---|
| Aug 8, 2025 | MOption exercise Common Stock | +2,476 | $0.00 | $0 | 2,476 | Aug 12, 2025 |
| Aug 8, 2025 | FTax withholding Common Stock | -1,264 | $65.77 | $83k | 1,212 | Aug 12, 2025 |
| Aug 12, 2025 | SOpen-market sale Common Stock | -1,212 | $65.53 | $79k | 0 | Aug 12, 2025 |
| Aug 8, 2025 | MOption exercise Restricted Stock Unitderivative | -2,476 | $0.00 | $0 | 2,476 | Aug 12, 2025 |
Related signals
Other insiders at CORNING INC /NY and this insider’s other filings.
| Score | Company | Insider | Value | Holdings | Filed |
|---|---|---|---|---|---|
| 60Notable | GLWsell CORNING INC /NY | Michelle L Gullo Senior Vice President & CHRO | $1.5M 9,874 shares | -51% | |
| 58Moderate | CORNING INC /NY | Soumya Seetharam Senior Vice President & CDIO | $1.5M 16,547 shares | -50% | |
| 58Moderate | CORNING INC /NY | Ronald L Verkleeren SVP Emerging Innovations Group | $2.0M 21,000 shares | -38% | |
| 52Moderate | CORNING INC /NY | Edward A Schlesinger Exec. Vice President and CFO | $1.9M 20,893 shares | -24% | |
| 80Strong | CORNING INC /NY | Lewis A Steverson Vice Chairman, EVP and CLAO | $2.1M 23,142 shares | -57% | |
| 75Notable | CORNING INC /NY | Stefan Becker SVP, Finance & Corp Controller | $1.1M 12,100 shares | -71% | |
| 68Notable | CORNING INC /NY | Eric S Musser President | $9.0M 100,000 shares | -69% | |
| 48Moderate | CORNING INC /NY | Jaymin Amin SVP and Chief Tech. Officer | $1.4M 17,721 shares | -17% | |
| 58Moderate | CORNING INC /NY | Eric S Musser President | $1.4M 20,000 shares | -12% | |
| 50Moderate | CORNING INC /NY | Eric S Musser President | $1.2M 18,850 shares | -10% |
Not investment advice. Scores and forward returns are decision support built from public SEC filings and past prices; they describe what happened after comparable filings, not what will happen after this one. Do your own research and size your risk.