Constellium (NYSE: CSTM) amends Form 3 to add RSU holdings

Rhea-AI Filing Summary

CONSTELLIUM SE executive Philip Ryan Jurkovic filed an amended Form 3 to correct his reported equity holdings. The filing shows he holds 181,347 ordinary shares in total, including 130,739 ordinary shares held as of January 1, 2026 and 50,608 restricted stock units that remain subject to vesting and were inadvertently omitted from his original Form 3. This amendment is an administrative update to accurately reflect his ownership position rather than a new share purchase or sale.

Insider Trade Summary

1 transaction reported

Mixed 1 txn

Insider Jurkovic Philip Ryan

Role SVP & CHRO

Type	Security	Shares	Price	Value
holding	Ordinary shares	--	--	--

Holdings After Transaction: Ordinary shares — 181,347 shares (Direct)

Footnotes (1)

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Understanding Insider Trading Forms →

SEC Form 3

FORM 3

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

INITIAL STATEMENT OF BENEFICIAL OWNERSHIP OF SECURITIES

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

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1. Name and Address of Reporting Person^*

Jurkovic Philip Ryan

(Last) (First) (Middle)

300 EAST LOMBARD STREET

SUITE 1710

(Street)

BALTIMORE MD 21202

(City) (State) (Zip)

2. Date of Event Requiring Statement (Month/Day/Year)
01/01/2026

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

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

	Director		10% Owner
X	Officer (give title below)		Other (specify below)
	SVP & CHRO

5. If Amendment, Date of Original Filed (Month/Day/Year)
01/02/2026

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 Beneficially Owned
1. Title of Security (Instr. 4)	2. Amount of Securities Beneficially Owned (Instr. 4)	3. Ownership Form: Direct (D) or Indirect (I) (Instr. 5)	4. Nature of Indirect Beneficial Ownership (Instr. 5)
Ordinary shares	181,347(1)	D

Table II - Derivative Securities Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 4)	2. Date Exercisable and Expiration Date (Month/Day/Year)		3. Title and Amount of Securities Underlying Derivative Security (Instr. 4)		4. Conversion or Exercise Price of Derivative Security	5. Ownership Form: Direct (D) or Indirect (I) (Instr. 5)	6. Nature of Indirect Beneficial Ownership (Instr. 5)
	Date Exercisable	Expiration Date	Title	Amount or Number of Shares

Explanation of Responses:

1. Amount consists of (i) 130,739 ordinary shares held by the Reporting Person as of January 1, 2026 and (ii) an aggregate of 50,608 restricted stock units which remain subject to vesting restrictions and which were inadvertently omitted from the Reporting Person's original Form 3 filing.

Remarks:

	/s/ Kristine Carpenter, Attorney-in-Fact for Philip Ryan Jurkovic	03/11/2026
	** 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 5 (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 does the amended Form 3 for CONSTELLIUM (CSTM) report for Philip Ryan Jurkovic?

The amended Form 3 updates Philip Ryan Jurkovic’s total holdings to 181,347 ordinary shares. This consists of 130,739 ordinary shares and 50,608 restricted stock units that were previously omitted, providing a more accurate view of his equity position.

Did Philip Ryan Jurkovic buy or sell CONSTELLIUM (CSTM) shares in this Form 3/A?

The Form 3/A does not report any new purchase or sale transactions. It is an administrative correction that restates Jurkovic’s existing holdings, including restricted stock units previously omitted from his original Form 3 filing.

How many restricted stock units does Philip Ryan Jurkovic hold in CONSTELLIUM (CSTM)?

The filing states Jurkovic holds 50,608 restricted stock units. These units remain subject to vesting restrictions and were inadvertently left out of his original Form 3, prompting this amended filing to include them.

What is the total ordinary share position reported for Philip Ryan Jurkovic at CONSTELLIUM (CSTM)?

The amended filing reports a total of 181,347 ordinary shares attributed to Jurkovic. This total combines 130,739 ordinary shares held directly and 50,608 restricted stock units that are subject to vesting conditions.

Why did CONSTELLIUM (CSTM) need to amend Philip Ryan Jurkovic’s original Form 3?

The amendment was needed because 50,608 restricted stock units were inadvertently omitted from Jurkovic’s original Form 3. The Form 3/A corrects this error so that his reported equity holdings are complete and accurate.