John C Plant Net Worth
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John C Plant has an estimated net worth of at least $667.8 million*, as of Oct. 29, 2025. They own 2.7 million shares of HWM stock. They have sold 850,000 shares of HWM stock since 2021, for an estimated $125.6 million.
John C Plant $HWM SEC Form 4 Insider Trading
John C Plant has filed a total of 2 insider trades in $HWM since 2021. Their most recent trade was a sale of 650,000 shares, made on May 12, 2025. Their largest trade was a sale of 650,000 shares, made on May 12, 2025. We estimate that they now own 2.7 million shares of $HWM, worth an estimated $542.2 million.
Insider Trading at $HWM
There have been a total of 19 insider trades reported at $HWM since 2021, with 0 shares purchased and 1.5 million shares sold. The most active insider traders in $HWM stock have been Neil Edward Marchuk, Barbara Lou Shultz, and Ken Giacobbe. The most recent trade was a sale of 1,000 shares reported by Barbara Lou Shultz (Vice President and Controller), made on Feb 26, 2026.
History of Insider Stock Trades by John C Plant
$HWM Executives and Stock Owners with Insider Trades
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Neil Edward Marchuk, EVP, HR
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Barbara Lou Shultz, Vice President and Controller
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Ken Giacobbe, EVP and CFO
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John C Plant, Executive Chairman & CEO
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Lola Felice Lin, EVP, CL&CO and Secretary
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Neil Edward Marchuk, EVP, CAO
*This is only based off of information found in SEC filings, and may not reflect actual net worth. There may also be inaccuracies due to privately holdings filing errors, parsing errors, accidental double-counting of shares, incorrect classification of indirectly owned shares, sales prior to dataset start date, or any other number of issues.