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sellNotable cluster of 4

Eric S Musser sold $9.0M of GLW

President at CORNING INC /NY. 100,000 shares at an average of $90.17, traded Oct 29, 2025, filed Oct 30, 2025.

Warning score
68
Value
$9.0M
100,000 shares
Holdings after
44,926
-69% from before
From 52-week low
+133%
low $38.36, close $89.51
From 52-week high
0%
high $89.51, as of Oct 29, 2025

Score components

  • Role
    Other
    +8
  • Trade size
    $9.0M at market
    +25
  • Share of holdings sold
    Sold 69% of holdings
    +20
  • Cluster
    4 insiders selling within 14 days
    +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 Oct 30, 2025: +75.1%SPY +15.8% · excess +59.3%

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 0000024741-25-000115, as filed. Open on EDGAR

DateTransactionSharesPriceValueHoldings afterFiled
Oct 29, 2025SOpen-market sale
Common Stock
-100,000$90.17$9.0M44,926Oct 30, 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%
58Moderate
GLWsell 2
CORNING INC /NY
Soumya Seetharam
Senior Vice President & CDIO
$1.5M
16,547 shares
-50%
58Moderate
GLWsell 2
CORNING INC /NY
Ronald L Verkleeren
SVP Emerging Innovations Group
$2.0M
21,000 shares
-38%
52Moderate
GLWsell 4
CORNING INC /NY
Edward A Schlesinger
Exec. Vice President and CFO
$1.9M
20,893 shares
-24%
80Strong
GLWsell 4
CORNING INC /NY
Lewis A Steverson
Vice Chairman, EVP and CLAO
$2.1M
23,142 shares
-57%
75Notable
GLWsell 4
CORNING INC /NY
Stefan Becker
SVP, Finance & Corp Controller
$1.1M
12,100 shares
-71%
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%

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.

Eric S Musser sold $9.0M of GLW | InsiderTell