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sellStrong cluster of 3

John C Plant sold $126M of HWM

Executive Chairman & CEO at Howmet Aerospace Inc.. 800,000 shares at an average of $156.96, traded May 12, 2025, filed May 12, 2025.

Warning score
85
Value
$126M
800,000 shares
Holdings after
236,544
-67% from before
From 52-week low
+67%
low $93.63, close $156.53
From 52-week high
-0%
high $156.98, as of May 12, 2025

Score components

  • Role
    CEO
    +25
  • Trade size
    $125.6M at market
    +25
  • Share of holdings sold
    Sold 67% of holdings
    +20
  • Cluster
    3 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.

This signal so far: 1m +8.8%, 3m +14.7%, 6m +33.8%.

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.

HWMOct 12, 2026 · close 220.81
Since filing May 12, 2025: +41.1%SPY +35.7% · excess +5.4%

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 0001104659-25-047430, as filed. Open on EDGAR

DateTransactionSharesPriceValueHoldings afterFiled
May 12, 2025SOpen-market sale
Common Stockindirect: By Trust
-650,000$156.96$102M551,186May 12, 2025
May 12, 2025SOpen-market sale
Common Stockindirect: By Remainder Trust
-150,000$156.96$24M236,544May 12, 2025

Related signals

Other insiders at Howmet Aerospace Inc. and this insider’s other filings.

ScoreCompanyInsiderValueHoldingsFiled
50Moderate
HWMsell
Howmet Aerospace Inc.
Neil Edward Marchuk
EVP, CAO
$11M
41,932 shares
-39%
36Weak
HWMsell 2
Howmet Aerospace Inc.
Barbara Lou Shultz
Vice President and Controller
$260k
1,000 shares
-4%
58Moderate
HWMsell 2
Howmet Aerospace Inc.
Neil Edward Marchuk
EVP, CAO
$11M
45,150 shares
-30%
45Moderate
HWMsell
Howmet Aerospace Inc.
Lola Felice Lin
EVP, CL&CO and Secretary
$2.4M
13,102 shares
-17%
60Notable
HWMsell 3
Howmet Aerospace Inc.
Neil Edward Marchuk
EVP, HR
$4.8M
30,000 shares
-19%
42Moderate
HWMsell 3
Howmet Aerospace Inc.
Barbara Lou Shultz
Vice President and Controller
$194k
1,250 shares
-5%
39Weak
HWMsell
Howmet Aerospace Inc.
Lola Felice Lin
EVP, CL&CO and Secretary
$903k
6,620 shares
-6%

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.

John C Plant sold $126M of HWM | InsiderTell