CSTM
CONSTELLIUM SE · Manufacturing · Market cap $3.7B
Insiders sold $2.9M net in the last 90 days ·8 sellers, 2 buyers· latest Form 4 filed Aug 3, 2026
Insider Buying
$208K
reported purchases (SEC code P)
Insider Selling
$12.2M
reported sales (SEC code S)
Unique Insiders
15
in the rolling window
Latest filing
Aug 3, 2026
Deslarzes Jean-Christophe
CONSTELLIUM SE (CSTM) has 45 SEC Form 4 filings (52 transaction rows) in the rolling window, disclosed by 15 distinct insiders. Most recent filing: Aug 3, 2026.
Inside the rolling window, 15 insiders at CONSTELLIUM SE reported 7 open-market purchases totaling $208K and 25 open-market sales totaling $12.2M. The most active filer is President, AS&I Corre Stephane with 6 filings. Insiders have net sold $12.0M over the trailing 6 months. The most recent open-market filing is a purchase of 1,490 shares by Director Deslarzes Jean-Christophe, dated Aug 3, 2026, worth $41K.
- Industry:Aluminum
- CEO:Ingrid Joerg
- Employees:11,500
- HQ:Paris, IF, FR
- IPO:2013-05-23
| Source | |||||||
|---|---|---|---|---|---|---|---|
Deslarzes Jean-ChristopheFirst in 3 months | Director | Purchase | 1,490 | $41K | Aug 3 | -7.9% | SEC ↗ |
Ormerod JohnFirst filing | Director | Sale | 8,000 | $280K | Jun 8 | -23.5% | SEC ↗ |
| SVP CPO | Sale | 10,391 | $363K | Jun 1 | -24.6% | SEC ↗ | |
| Director | Purchase | 2,500 | $85K | May 18 | -18.9% | SEC ↗ | |
Jarrett MartinFirst filing | SVP Chief Innovation Officer | Sale | 4,716 | $158K | May 18 | -18.9% | SEC ↗ |
Piquier LudovicFirst filing | SVP Manuf Excellence & CTO | Sale | 1,000 | $34K | May 13 | -24.3% | SEC ↗ |
| President, AS&I | Sale | 5,000 | $168K | May 12 | -21.4% | SEC ↗ | |
| SVP PA, Comm & Sust | Sale | 26,661 | $902K | May 12 | -21.4% | SEC ↗ | |
Brandjes MichielFirst filing | Director | Sale | 10,400 | $325K | May 7 | -20.4% | SEC ↗ |
| EVP & CFO | Sale | 25,201 | $822K | May 7 | -20.4% | SEC ↗ | |
| President, A&T | Sale | 50,000 | $1.6M | May 5 | — | SEC ↗ | |
| SVP & CHRO | Sale | 48,784 | $1.6M | May 4 | — | SEC ↗ | |
| President, AS&I | Sale | 5,000 | $160K | May 4 | — | SEC ↗ | |
| Director | Purchase | 1,325 | $41K | May 1 | — | SEC ↗ | |
| SVP CPO | Sale | 10,000 | $251K | Mar 17 | — | SEC ↗ | |
Deslarzes Jean-ChristopheFirst filing | Director | Purchase | 1,665 | $41K | Mar 17 | — | SEC ↗ |
| President, AS&I | Sale | 1,500 | $39K | Mar 12 | — | SEC ↗ | |
Jurkovic Philip RyanFirst filing | SVP & CHRO | Sale | 29,900 | $774K | Mar 11 | — | SEC ↗ |
Joerg IngridFirst filing | CEO | Sale | 4,614 | $119K | Mar 11 | — | SEC ↗ |
| President, A&T | Purchase | 71,132 | $0 | Mar 11 | — | SEC ↗ | |
| President, A&T | Sale | 4,728 | $122K | Mar 11 | — | SEC ↗ | |
Guo Jack Q.First filing | EVP & CFO | Sale | 41,717 | $1.1M | Mar 11 | — | SEC ↗ |
| SVP CPO | Purchase | 14,592 | $0 | Mar 11 | — | SEC ↗ | |
| SVP CPO | Sale | 1,113 | $29K | Mar 11 | — | SEC ↗ | |
Brun NicolasFirst filing | SVP PA, Comm & Sust | Sale | 17,701 | $437K | Mar 11 | — | SEC ↗ |
Frequently asked questions
How many SEC Form 4 insider filings does CSTM have?
CONSTELLIUM SE (CSTM) has 45 SEC Form 4 filings (52 transaction rows) in the rolling 365-day window, disclosed by 15 distinct insiders. Most recent filing: Aug 3, 2026.
When was the most recent SEC Form 4 filing for CSTM?
The most recent Form 4 filing for CSTM on Tracefour is dated Aug 3, 2026.
Who is the most active insider at CSTM?
The most active SEC Form 4 filer at CSTM in the rolling window is President, AS&I Corre Stephane, with 6 filings.
What is the net insider flow at CSTM over the last 6 months?
Over the trailing 180 days, insiders at CSTM have net sold $12.0M based on SEC Form 4 disclosures.
What is the total insider buy and sell value at CSTM in the current window?
Inside the rolling window, insiders at CSTM bought $208K and sold $12.2M based on SEC Form 4 filings.
Can I get alerts for CSTM insider trading?
Yes. Tracefour sends a free email when a new SEC Form 4 purchase or sale is filed at CONSTELLIUM SE (CSTM). Alerts are set per company from the page itself, there is no paid tier, and each email links to the original filing on SEC EDGAR.
Related companies
CONSTELLIUM SE is in the Manufacturing sector.