Constellium (CSTM) AS&I president receives 7,293-share restricted stock grant

Rhea-AI Filing Summary

Corre Stephane reported acquisition or exercise transactions in this Form 4 filing.

Constellium SE reported that executive Stephane Corre, President of Automotive Structures & Industry, received a grant of 7,293 ordinary shares in the form of restricted stock units at no cash cost. These units vest in full on March 12, 2029, contingent on his continued employment. Following this equity award, Corre directly holds 72,313 ordinary shares of Constellium, aligning a portion of his compensation with the company’s long-term share performance.

Insider Trade Summary

1 transaction reported

Mixed 1 txn

Insider Corre Stephane

Role President, AS&I

Type	Security	Shares	Price	Value
Grant/Award	Ordinary shares	7,293	$0.00	--

Holdings After Transaction: Ordinary shares — 72,313 shares (Direct)

Footnotes (1)

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Form 4 Insider Transactions: What Each Field Means →

SEC Form 4

FORM 4

UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934
or Section 30(h) of the Investment Company Act of 1940

OMB APPROVAL

OMB Number:			3235-0287
Estimated average burden
hours per response:			0.5

Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).

Check this box to indicate that a transaction was made pursuant to a contract, instruction or written plan for the purchase or sale of equity securities of the issuer that is intended to satisfy the affirmative defense conditions of Rule 10b5-1(c). See Instruction 10.

1. Name and Address of Reporting Person^*

Corre Stephane

(Last) (First) (Middle)

300 EAST LOMBARD STREET

SUITE 1710

(Street)

BALTIMORE MD 21202

(City) (State) (Zip)

2. Issuer Name and Ticker or Trading Symbol
CONSTELLIUM SE [ CSTM ]

5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)

	Director		10% Owner
X	Officer (give title below)		Other (specify below)
	President, AS&I

3. Date of Earliest Transaction (Month/Day/Year)
03/12/2026

4. If Amendment, Date of Original Filed (Month/Day/Year)

6. Individual or Joint/Group Filing (Check Applicable Line)

X	Form filed by One Reporting Person
	Form filed by More than One Reporting Person

Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
1. Title of Security (Instr. 3)	2. Transaction Date (Month/Day/Year)	2A. Deemed Execution Date, if any (Month/Day/Year)	3. Transaction Code (Instr. 8)		4. Securities Acquired (A) or Disposed Of (D) (Instr. 3, 4 and 5)			5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4)	6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	7. Nature of Indirect Beneficial Ownership (Instr. 4)
			Code	V	Amount	(A) or (D)	Price
Ordinary shares	03/12/2026	03/12/2026	A		7,293(1)	A	$0	72,313	D

Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 3)	2. Conversion or Exercise Price of Derivative Security	3. Transaction Date (Month/Day/Year)	3A. Deemed Execution Date, if any (Month/Day/Year)	4. Transaction Code (Instr. 8)		5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5)		6. Date Exercisable and Expiration Date (Month/Day/Year)		7. Title and Amount of Securities Underlying Derivative Security (Instr. 3 and 4)		8. Price of Derivative Security (Instr. 5)	9. Number of derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4)	10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	11. Nature of Indirect Beneficial Ownership (Instr. 4)
				Code	V	(A)	(D)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares

Explanation of Responses:

1. Represents the grant of restricted stock units of Constellium SE, which vest in full on March 12, 2029, subject to the Reporting Person's continued employment.

Remarks:

	/s/ Kristine Carpenter, Attorney-in-Fact for Stephane Corre	03/16/2026
	** Signature of Reporting Person	Date
Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
* If the form is filed by more than one reporting person, see Instruction 4 (b)(v).
** Intentional misstatements or omissions of facts constitute Federal Criminal Violations See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.
Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB Number.

FAQ

What insider transaction did Constellium (CSTM) report for Stephane Corre?

Constellium reported that executive Stephane Corre received 7,293 ordinary shares through a restricted stock unit grant. The award was recorded at a price of $0.00 per share, reflecting compensation rather than a market purchase.

How many Constellium (CSTM) shares does Stephane Corre hold after this Form 4?

After the restricted stock unit grant, Stephane Corre directly holds 72,313 ordinary shares of Constellium. This total includes the 7,293 newly granted units that are structured as equity-based compensation tied to future vesting.

What are the vesting terms of Stephane Corre’s Constellium (CSTM) restricted stock units?

The 7,293 restricted stock units granted to Stephane Corre vest in full on March 12, 2029. Vesting is expressly conditioned on his continued employment with Constellium through that date, reinforcing long-term retention incentives.

Was Stephane Corre’s Constellium (CSTM) share grant a market purchase?

No. The filing classifies the transaction as a grant or award acquisition with a reported price of $0.00 per share. This indicates the shares were received as compensation, not bought in the open market.

What role does Stephane Corre hold at Constellium (CSTM) in this Form 4?

Stephane Corre is identified as an officer of Constellium, serving as President, Automotive Structures & Industry (AS&I). The reported equity grant further links his compensation to the company’s long-term ordinary share performance.