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sellNotable cluster of 7

Avery H Nelson III sold $2.3M of GLW

Executive Vice President & COO at CORNING INC /NY. 36,240 shares at an average of $62.26, traded Jul 30, 2025, filed Jul 31, 2025.

Warning score
65
Value
$2.3M
36,240 shares
Holdings after
64,838
-36% from before
From 52-week low
+61%
low $38.36, close $61.82
From 52-week high
0%
high $61.82, as of Jul 30, 2025

Score components

  • Role
    COO
    +20
  • Trade size
    $2.3M at market
    +25
  • Share of holdings sold
    Sold 36% of holdings
    +10
  • Cluster
    7 insiders selling within 14 days
    +15
  • Role exit
    The filing reports the insider leaving
    +10
  • Exercise and sell
    Shares came from an option exercise in the same filing
    -15

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.

GLWOct 9, 2026 · close 156.68
Since filing Jul 31, 2025: +150.9%SPY +24.8% · excess +126.1%

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 0000024741-25-000049, as filed. Open on EDGAR

DateTransactionSharesPriceValueHoldings afterFiled
Jul 30, 2025MOption exercise
Common Stock
+10,001$27.00$270k89,839Jul 31, 2025
Jul 30, 2025MOption exercise
Common Stock
+11,239$27.03$304k101,078Jul 31, 2025
Jul 30, 2025SOpen-market sale
Common Stock
-36,240$62.26$2.3M64,838Jul 31, 2025
Jul 30, 2025MOption exercise
Stock Options (Right to Buy)derivative
-10,001$0.00$00Jul 31, 2025
Jul 30, 2025MOption exercise
Stock Options (Right to Buy)derivative
-11,239$0.00$00Jul 31, 2025

Related signals

Other insiders at CORNING INC /NY and this insider’s other filings.

ScoreCompanyInsiderValueHoldingsFiled
60Notable
GLWsell
CORNING INC /NY
Michelle L Gullo
Senior Vice President & CHRO
$1.5M
9,874 shares
-51%
48Moderate
GLWsell 2
CORNING INC /NY
Jaymin Amin
SVP and Chief Tech. Officer
$1.4M
17,721 shares
-17%
58Moderate
GLWsell 2
CORNING INC /NY
Eric S Musser
President
$1.4M
20,000 shares
-12%
50Moderate
GLWsell 7
CORNING INC /NY
Eric S Musser
President
$1.2M
18,850 shares
-10%
54Moderate
GLWsell 7
CORNING INC /NY
John Z Zhang
Exec. Vice President & CCDO
$79k
1,212 shares
-100%
65Notable
GLWsell 7
CORNING INC /NY
Eric S Musser
President
$1.3M
20,000 shares
-11%
75Notable
GLWsell 7
CORNING INC /NY
Wendell P Weeks
Chairman and CEO
$5.4M
82,103 shares
-9%
64Notable
GLWsell 7
CORNING INC /NY
Michael Paul O'Day
SVP and GM, Optical Comm.
$928k
14,879 shares
-29%
70Notable
GLWsell 7
CORNING INC /NY
Lewis A Steverson
Vice Chairman, EVP and CLAO
$1.0M
16,646 shares
-30%
65Notable
GLWsell 7
CORNING INC /NY
Edward A Schlesinger
Exec. Vice President and CFO
$877k
14,082 shares
-15%

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.

Avery H Nelson III sold $2.3M of GLW | InsiderTell