Boccon-Gibod Isabelle sold CSTM
February 26, 2026 · Form 4 insider transaction
Boccon-Gibod Isabelle sold 10,000 shares of Constellium SE at $25.77 per share, a transaction worth $257.7K. The trade was recorded as open-market sale and disclosed on an SEC Form 4, filed 1 day after the transaction.
Direction
Disposed (sell-side)
Shares
10,000
Price
$25.77
Total value
$257.7K
InsiderBoccon-Gibod Isabelle
Role—
CompanyConstellium SE (CSTM)
SecurityOrdinary shares
Transaction codeS: Open-market sale
Transaction dateFebruary 26, 2026
Filing dateFebruary 27, 2026
Shares owned after23,000
OwnershipDirect
10b5-1 planNo
AmendedNo
Footnotes
The price reported is a weighted average price. These shares were sold in multiple transactions at prices ranging from $25.77, to $25.77, inclusive. The reporting person undertakes to provide to Constellium SE, any security holder of Constellium SE, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth herein.