Constellium (CSTM) President A&T receives 12,033-share restricted stock grant

Rhea-AI Filing Summary

Hoffmann Philippe reported acquisition or exercise transactions in this Form 4 filing.

CONSTELLIUM SE reported that President, A&T Philippe Hoffmann received an equity award in the form of restricted stock units. On March 12, 2026, he was granted 12,033 ordinary shares at a price of $0.00 per share as compensation. Following this grant, his direct holdings increased to 194,153 ordinary shares. According to the disclosure, these restricted stock units vest in full on March 12, 2029, provided he remains employed with the company through that date.

Insider Trade Summary

1 transaction reported

Mixed 1 txn

Insider Hoffmann Philippe

Role President, A&T

Type	Security	Shares	Price	Value
Grant/Award	Ordinary shares	12,033	$0.00	--

Holdings After Transaction: Ordinary shares — 194,153 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^*

Hoffmann Philippe

(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, A&T

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		12,033(1)	A	$0	194,153	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 Philippe Hoffmann	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 Philippe Hoffmann?

CONSTELLIUM reported that President, A&T Philippe Hoffmann received an equity award. He was granted 12,033 ordinary shares as restricted stock units at a price of $0.00 per share on March 12, 2026 as part of his compensation.

How many CONSTELLIUM (CSTM) shares were granted to Philippe Hoffmann and at what price?

Philippe Hoffmann was granted 12,033 ordinary shares of CONSTELLIUM at $0.00 per share. This grant reflects a compensation award rather than an open‑market purchase, increasing his direct holdings without requiring a cash outlay.

When do Philippe Hoffmann’s CONSTELLIUM (CSTM) restricted stock units vest?

The restricted stock units granted to Philippe Hoffmann vest in full on March 12, 2029. Vesting is conditioned on his continued employment with CONSTELLIUM through that date, aligning the award with longer‑term retention and performance.

What are Philippe Hoffmann’s CONSTELLIUM (CSTM) holdings after this Form 4 transaction?

After the grant, Philippe Hoffmann directly holds 194,153 ordinary shares of CONSTELLIUM. This total includes the 12,033-share restricted stock unit award reported in the Form 4, reflecting his updated post‑transaction equity position with the company.

Is the CONSTELLIUM (CSTM) Form 4 transaction a market buy or a compensation grant?

The Form 4 shows a compensation-related grant, not a market purchase. The A transaction code and $0.00 price indicate restricted stock units were awarded to Philippe Hoffmann as equity compensation, subject to future vesting conditions.