Insider Trading › CSTM › Insiders
CONSTELLIUM SE
CSTM·NYSE·
France·Insider activity
France·Insider activity$25.50
+0.21 (+0.83%)
Close · Oct 6, 2026 · Close Prices from Tiingo.com
CSTM
Insider purchases and sales on the price
Nasdaq 100S&P 500
Filings
Default90D1Y5YALL
CSTMS&P 500 (rebased)
Insider BuyInsider SellForm 144 · planned sale
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Daily closes, adjusted for splits and dividends · Close Prices from Tiingo.comHover a marker, every one is a filing · move across the line for the crosshair
In the last 180 days, CSTM insiders filed 3 purchases ($166K) and 11 sales ($6.4M) on the open market, by 12 insiders. Newest filing Aug 3, 2026 (2 months ago).
Net Insider Buying by Quarter
Shares bought (+) or sold (−) on the open market by CSTM insiders · Form 4 · last two years
On Record
$166KPurchases · 180 days
$6.4MSales · 180 days
33Open-market transactions on record
12Insiders filing · 180 days
Purchases (code P) and sales (code S) of CSTM common stock reported on Form 4, with Form 5 annual catch-ups. Grants, option exercises, gifts and tax withholding are not shown. Dollars are shares × the stated price; a price outside anything the stock traded at that day is withheld (n/c).
Insider Transactions
33 on record · newest trade first
AllPurchasesSalesOfficers & directors
| Insider | Type | Shares | Price | Value | Held after | Traded | Filed | |
|---|---|---|---|---|---|---|---|---|
| Deslarzes Jean-ChristopheDirector · Director | Purchase | +1,490 | $27.24 | $41K | 43.5Kdirect | Aug 3, 2026 | Aug 3, 2026 | Form 4 ↗ |
| Ormerod JohnDirector | Sale | −8,000 | $35.01 | $280K | 24.9Kdirect | Jun 4, 2026 | Jun 8, 2026 | Form 4 ↗ |
| Becker MarcusSVP CPO | Sale | −10.4K | $34.93 | $363K | 16.8Kdirect | May 28, 2026 | Jun 1, 2026 | Form 4 ↗ |
| Jarrett MartinSVP Chief Innovation Officer | Sale | −4,716 | $33.46 | $158K | 15.4Kdirect | May 14, 2026 | May 18, 2026 | Form 4 ↗ |
| Soultz Bradley LeeDirector | Purchase | +2,500 | $33.84 | $85K | 2,500indirect | May 14, 2026 | May 18, 2026 | Form 4 ↗ |
| Piquier LudovicSVP Manuf Excellence & CTO | Sale | −1,000 | $33.57 | $34K | 241.7Kdirect | May 12, 2026 | May 13, 2026 | Form 4 ↗ |
| Brun NicolasSVP PA, Comm & Sust | Sale | −26.7K | $33.85 | $902K | 104.9Kdirect | May 11, 2026 | May 12, 2026 | Form 4 ↗ |
| Corre StephanePresident, AS&I | Sale | −5,000 | $33.52 | $168K | 62.3Kdirect | May 8, 2026 | May 12, 2026 | Form 4 ↗ |
| Guo Jack Q.EVP & CFO | Sale | −25.2K | $32.62 | $822K | 185.4Kdirect | May 5, 2026 | May 7, 2026 | Form 4 ↗ |
| Brandjes MichielDirector | Sale | −10.4K | $31.25 | $325K | 41.6Kdirect | May 5, 2026 | May 7, 2026 | Form 4 ↗ |
| Hoffmann PhilippePresident, A&T | Sale | −50.0K | $31.92 | $1.6M | 144.2Kdirect | May 1, 2026 | May 5, 2026 | Form 4 ↗ |
| Jurkovic Philip RyanSVP & CHRO | Sale | −48.8K | $32.01 | $1.6M | 172.1Kdirect | May 1, 2026 | May 4, 2026 | Form 4 ↗ |
| Corre StephanePresident, AS&I | Sale | −5,000 | $32.04 | $160K | 67.3Kdirect | May 1, 2026 | May 4, 2026 | Form 4 ↗ |
| Deslarzes Jean-ChristopheDirector | Purchase | +1,325 | $31.13 | $41K | 42.0Kdirect | May 1, 2026 | May 1, 2026 | Form 4 ↗ |
| Becker MarcusSVP CPO | Sale | −10.0K | $25.09 | $251K | 27.2Kdirect | Mar 16, 2026 | Mar 17, 2026 | Form 4 ↗ |
| Corre StephanePresident, AS&I | Sale | −1,500 | $25.89 | $39K | 65.0Kdirect | Mar 10, 2026 | Mar 12, 2026 | Form 4 ↗ |
| Joerg IngridCEO · Director | Sale | −4,614 | $25.87 | $119K | 378.1Kdirect | Mar 10, 2026 | Mar 11, 2026 | Form 4 ↗ |
| Hoffmann PhilippePresident, A&T | Sale | −4,728 | $25.87 | $122K | 182.1Kdirect | Mar 10, 2026 | Mar 11, 2026 | Form 4 ↗ |
| Becker MarcusSVP CPO | Sale | −1,113 | $25.87 | $29K | 33.2Kdirect | Mar 10, 2026 | Mar 11, 2026 | Form 4 ↗ |
| Guo Jack Q.EVP & CFO | Sale | −41.7K | $25.87 | $1.1M | 190.9Kdirect | Mar 10, 2026 | Mar 11, 2026 | Form 4 ↗ |
| Jurkovic Philip RyanSVP & CHRO | Sale | −29.9K | $25.87 | $774K | 210.7Kdirect | Mar 10, 2026 | Mar 11, 2026 | Form 4 ↗ |
| Corre StephanePresident, AS&I | Purchase | +8,026 | $0.00 | $0 | 66.5Kdirect | Mar 9, 2026 | Mar 11, 2026 | Form 4 ↗ |
| Brun NicolasSVP PA, Comm & Sust | Sale | −17.7K | $24.67 | $437K | 103.5Kdirect | Mar 9, 2026 | Mar 11, 2026 | Form 4 ↗ |
| Hoffmann PhilippePresident, A&T | Purchase | +71.1K | $0.00 | $0 | 186.8Kdirect | Mar 9, 2026 | Mar 11, 2026 | Form 4 ↗ |
| Becker MarcusSVP CPO | Purchase | +14.6K | $0.00 | $0 | 34.4Kdirect | Mar 9, 2026 | Mar 11, 2026 | Form 4 ↗ |
| Hoffmann PhilippePresident, A&T | Sale | −30.0K | $27.14 | $814K | 55.4Kdirect | Mar 4, 2026 | Mar 6, 2026 | Form 4 ↗ |
| Hoffmann PhilippePresident, A&T | Sale | −50.0K | $26.03 | $1.3M | 85.4Kdirect | Mar 4, 2026 | Mar 6, 2026 | Form 4 ↗ |
| Deslarzes Jean-ChristopheDirector | Purchase | +1,665 | $24.77 | $41K | 40.7Kdirect | Mar 2, 2026 | Mar 17, 2026 | Form 4 ↗ |
| Corre StephanePresident, AS&I | Sale | −3,000 | $24.69 | $74K | 44.4Kdirect | Feb 27, 2026 | Mar 3, 2026 | Form 4 ↗ |
| Boccon-Gibod IsabelleDirector | Sale | −10.0K | $25.77 | $258K | 23.0Kdirect | Feb 26, 2026 | Feb 27, 2026 | Form 4 ↗ |
| Corre StephanePresident, AS&I | Sale | −3,200 | $25.71 | $82K | 47.4Kdirect | Feb 25, 2026 | Feb 27, 2026 | Form 4 ↗ |
| Walters Stephen CharlesSVP GC & Secretary | Sale | −1,500 | $25.39 | $38K | 0direct | Feb 23, 2026 | Feb 24, 2026 | Form 4 ↗ |
| Becker MarcusSVP CPO | Sale | −15.6K | $25.58 | $398K | 0direct | Feb 20, 2026 | Feb 24, 2026 | Form 4 ↗ |
Source: SEC EDGAR Form 4 and Form 5 filings, SEC's quarterly bulk dataset through Jun 30, 2026, and KeyVex's half-hourly read of new filings since. Every row links its filing. Amendments are marked. Nothing here is a recommendation. All insider activity, market-wide →