Constellium (NYSE: CSTM) SVP Jurkovic gets 59,276 shares, sells 29,900 for taxes

Rhea-AI Filing Summary

Constellium SE senior executive Philip Ryan Jurkovic reported compensation-related share activity. On March 9, 2026, he acquired 59,276 ordinary shares of Constellium through earned performance stock units granted on March 9, 2023 that vested on that date.

On March 10, 2026, he sold 29,900 ordinary shares at $25.87 per share solely to satisfy tax withholding obligations triggered by the vesting of restricted stock unit and performance stock unit awards. After these transactions, he directly owned 210,723 ordinary shares, indicating a largely retained equity position.

Insights

Equity compensation analyst

Routine equity grant vesting with tax-driven share sale; net position remains large.

The transactions reflect standard executive equity compensation mechanics at Constellium SE. Jurkovic received 59,276 ordinary shares from performance stock units that vested on March 9, 2026, with no cash paid per share, consistent with stock-based awards.

The subsequent sale of 29,900 shares at $25.87 on March 10, 2026 is explicitly described as solely to cover tax withholding obligations upon vesting. This is economically different from a discretionary open-market sale and carries limited signaling value about his outlook.

Following these moves, he directly holds 210,723 ordinary shares, suggesting he retained the majority of the vested shares. With no remaining derivative positions listed, future disclosures in company filings may provide additional context on any new awards or changes to his equity stake.

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
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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^*

Jurkovic Philip Ryan

(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)
	SVP & CHRO

3. Date of Earliest Transaction (Month/Day/Year)
03/09/2026

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	03/09/2026		A		59,276(1)	A	$0	240,623	D
Ordinary shares	03/10/2026		S(2)		29,900	D	$25.87	210,723	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 earned non-derivative performance stock units of Constellium SE (the "Issuer") granted on March 9, 2023 that contained performance-vesting requirements, which vested on March 9, 2026.

2. The Reporting Person sold 29,900 ordinary shares of the Issuer upon the vesting of restricted stock unit and performance stock unit awards previously granted on March 9, 2023, solely to satisfy tax withholding obligations incurred upon vesting.

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 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 did Constellium (CSTM) executive Philip Ryan Jurkovic acquire in this Form 4 filing?

He acquired 59,276 ordinary shares of Constellium SE on March 9, 2026. These shares came from performance stock units granted on March 9, 2023 that met performance conditions and vested, providing stock-based compensation without a cash purchase price.

How many Constellium (CSTM) shares did Philip Ryan Jurkovic sell and at what price?

He sold 29,900 ordinary shares of Constellium SE at $25.87 per share on March 10, 2026. According to the disclosure, this sale occurred solely to satisfy tax withholding obligations arising from the vesting of prior stock unit awards.

Why were Constellium (CSTM) shares sold in Philip Ryan Jurkovic’s Form 4?

The filing states that 29,900 ordinary shares were sold solely to satisfy tax withholding obligations when previously granted restricted stock unit and performance stock unit awards vested. This indicates the sale was tax-driven rather than a discretionary reduction of his investment position.

What is Philip Ryan Jurkovic’s Constellium (CSTM) shareholding after these transactions?

After the reported transactions, he directly owns 210,723 ordinary shares of Constellium SE. This figure reflects the vesting-related share acquisition and the tax-related sale, showing he retained a substantial equity stake following the compensation event.

Are the Constellium (CSTM) Form 4 transactions by Philip Ryan Jurkovic routine compensation events?

Yes. The award of 59,276 shares came from performance stock units that vested after meeting conditions, and the 29,900-share sale was solely to cover tax withholding. Such patterns are typical for executive equity compensation rather than discretionary trading.

Does Philip Ryan Jurkovic retain significant exposure to Constellium (CSTM) stock after this Form 4?

Yes, he continues to hold 210,723 ordinary shares directly after the vesting and tax-related sale. Retaining most of the shares from the vested awards indicates ongoing equity exposure aligned with Constellium SE’s stock performance.