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HWM Howmet Aerospace Inc. Insider Trading

Latest: EVP, CAO Sold $11.3M of Shares · May 2026

Multiple insiders have been active at Howmet Aerospace Inc. (HWM): 4 distinct insiders account for 0 buy filings and 7 sell filings as of May 2026. Its highest-significance filing in the last 90 days: EVP, CAO Marchuk Neil Edward sold $11.3M, transaction dated May 2026.

7 filings analyzed · Latest 2026-05-12

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Buys
0
Sells
7
Insiders
4
Direction
Net selling

Howmet Aerospace Inc. leadership

CEO
John C. Plant — Chief Executive Officer
CEO
Patrick Winterlich — Chief Executive Officer
General Counsel
Margaret S. Lam — Associate General Counsel, Chief Securities and Governance Counsel and Assistant Secretary
Chair
John C. Plant — Executive Chairman and Chief Executive Officer

Historically, stocks have lagged the S&P 500 by a median ~3% over the 90 days after a medium insider sell (n ≈ 4,738, 2024-2026). Past results don't predict the future. How we measure this ↗

May 2026
2026-05-12
medium
EVP, CAO
41,932 shares
$11,300,536
@ $269.50
Significance 5

EVP, CAO Marchuk sells 41,932 shares for $11.3M; 7th open-market sale in 36 months despite profitable fundamentals and stock recovery.

Neil Marchuk, EVP and Chief Administrative Officer of Howmet Aerospace, sold roughly 40% of his holdings on a single day at a price near the stock's 52-week high. This is his seventh open-market sale in the past three years—a consistent pattern of exiting positions despite the company remaining profitable with growing revenue. The stock had rallied substantially over the prior quarter before this sale, yet unlike typical insider buying into weakness, Marchuk was selling into strength. His prior four sales at this ticker show conflicting timing signals: two were well-timed as the stock later declined in the near term, but all four ultimately proved poorly timed over a longer horizon as the stock recovered significantly after each exit. This latest sale follows the same pattern—exiting at favorable prices only to watch the stock advance afterward. The sheer volume and timing suggest liquidity management rather than pessimism about the company's fundamentals, but the repeated pattern of selling into subsequent gains warrants scrutiny of whether this executive has correctly anticipated downturns.

February 2026
2026-02-18
medium
EVP, CAO
45,150 shares
$11,364,427
@ $251.70
Significance 6

Marchuk (EVP, CAO) sold 45,150 shares of HWM at $251.70, reducing holdings by 29.7%; stock near 52-week highs after +26.0% surge

Marchuk sold 45,150 shares of Howmet Aerospace on 2026-02-18 at $251.70, reducing his holdings from 152,158 to 107,008 shares—a 29.7% reduction. The sale occurred at $251.70, just 1.3% below the 52-week high of $252.55, in the context of a 26.0% 90-day surge and 10.9% 30-day gain. Examining his prior trade outcomes at HWM reveals a mixed pattern: of 5 prior sales, only 1 proved well-timed at the 90-day horizon, with positive average 90-day returns of +14.3% suggesting prior sales were generally followed by stock appreciation. His cross-ticker track record shows a 20.00% well-timed rate across sells, indicating limited predictive success. The transaction reflects a substantial position reduction at near-peak valuations during a period of strong upward momentum.

August 2025
2025-08-06
medium
EVP, CL&CO and Secretary
13,102 shares
$2,365,073
@ $180.51
Significance 5

EVP Lin Lola Felice sold 13,102 shares of HWM at $180.51 for $2,365,073.46

Lin Lola Felice, Executive Vice President and Secretary, sold 13,102 shares on 2025-08-05, reducing her holdings by 17.2% from 76,252 to 63,150 shares. The sale occurred at $180.51 per share while the stock currently trades at $182.06, positioned at -5.2% from its 52-week high of $192.14. Against the company's strong fundamentals—revenue of $2,053,000,000.00, net income of $407,000,000.00, and annual revenue growth of +11.9%—this divestiture represents a material reduction in an executive's equity stake rather than a routine position adjustment. The transaction does not appear to reflect deterioration in operating performance; however, the scope and timing relative to price levels merit examination of any accompanying SEC filings or guidance updates.

May 2025
2025-05-13
medium
EVP, HR
30,000 shares
$4,756,017
@ $158.53
Significance 5

EVP Marchuk sells 30,000 HWM shares at $158.53; stock near 52-week high of $158.30, up 26.0% in 30 days.

Marchuk Neil Edward (EVP, HR) sold 30,000 shares (30.0K shares) of Howmet Aerospace Inc. at $158.53 on 2025-05-12, reducing his holdings by 18.5% from 161,859 shares to 131,859 shares. The sale occurred at price levels near the 52-week high of $158.30, with the stock having appreciated 26.0% in the 30 days prior to the transaction. Examining his prior trade history at this ticker, Marchuk has executed 4 prior sells, with only 1 of 4 demonstrating negative 90-day returns (well-timed timing for a seller); the pattern shows mixed outcomes including a sell on 2024-03-04 that yielded +25.5% return at 90 days, indicating the stock frequently rallied after his sales. His cross-ticker track record shows an average 90-day return of +14.3% following sells, with a 25.00% well-timed rate, suggesting his historical sales have not reliably preceded declines. At present, HWM trades at a P/E of 50.90 with annualized revenue growth of +11.9% and $344.0M net income on $1.9B quarterly revenue, indicating a maturely profitable but richly valued business.

2025-05-12
high
Executive Chairman & CEO
800,000 shares
$125,570,480
@ $156.96
Significance 8

HWM CEO John C Plant sold 800,000 shares (77.2% of holdings) for $125.6M at $156.96 on 2025-05-12

John C Plant, Executive Chairman & CEO of Howmet Aerospace, executed two separate sales totaling 800,000 shares (800.0K shares) for $125,570,480.00 ($125.6M) at a blended average price of $156.96 on 2025-05-12, reducing his holdings from 1,036,544 shares (1.04M shares) to 236,544 shares (236.5K shares)—a reduction of 77.2% versus pre-transaction holdings. The sales were executed at the near-peak of the stock's 52-week range ($157.50), with the current price at $156.96 representing -0.3% from the 52-week high. Across Plant's cross-ticker historical record, his 2 prior open-market sells averaged poorly-timed outcomes (avg 30d return -5.9%, avg 90d return -15.4%), with a 90d well-timed rate of 100.00%. The company's fundamentals show net income of $344,000,000.00 ($344.0M) on quarterly revenue of $1,942,000,000.00 ($1.9B), with annual revenue growth at +11.9% and a P/E of 50.47, alongside the stock's recent strong 30-day and 90-day gains of +24.9% and +21.4% respectively. This substantial insider reduction of executive holdings at valuation extremes, combined with his historical pattern of well-timed prior sales, warrants investor attention to potential catalysts or forward guidance changes.

August 2024
2024-08-26
medium
EVP, HR
70,637 shares
$6,847,749
@ $96.94
Significance 5

EVP Marchuk sells 70,637 HWM shares at $96.94 for $6.8M, reducing stake to 92,687 shares (-43.2%)

Neil Edward Marchuk, EVP of HR, sold 70,637 shares of Howmet Aerospace on 2024-08-23 at $96.94, representing a 43.2% reduction in his holdings from 163,324 to 92,687 shares. The sale occurred near the 52-week high of $97.08, with the stock having appreciated 16.9% over the preceding 30 days and 13.3% over 90 days. Examining his same-ticker history at HWM, his prior three sales showed mixed timing outcomes: the 2024-03-04 sale yielded a 25.5% 90-day gain (poorly timed, as the stock continued rising), while the 2023-08-09 sale preceded a 3.6% decline (well-timed). The company's fundamentals remain robust with annual revenue growth of 17.2%, though the elevated P/E of 42.20 reflects significant investor expectations already priced into the current valuation.

2024-08-23
high
EVP and CFO
154,909 shares
$14,960,414
@ $96.58
Significance 6

CFO Giacobbe Ken sold 154.9K HWM shares at $96.58; reduced position by 50.0% to 155.1K shares held.

Ken Giacobbe, EVP and CFO of Howmet Aerospace, executed a substantial single-tranche sale of 154,909 shares at $96.58 on 2024-08-22, reducing his holdings from 310,044 shares to 155,135 shares—a 50.0% reduction in position size for a total value of $14,960,414.13. The transaction occurred near the 52-week high of $97.08, with the stock having gained 22.0% over the prior 30 days and 14.6% over 90 days, suggesting the sale occurred during a period of upward momentum. As CFO of a $39.6B aerospace company with a P/E of 42.39 and strong recent fundamentals (annual revenue growth of 17.2% and latest quarterly net income of $266,000,000), the magnitude of the position reduction warrants attention to the underlying motivation. The timing and scale of the sale—coinciding with near-peak valuations—merit ongoing monitoring of broader management commentary and company outlook to assess whether this reflects routine portfolio rebalancing or other considerations.

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