What is the Constellium (CSTM) CEO’s direct share ownership after these transactions?

Following the vesting of performance stock units and the tax-related sale, the CEO directly owns 378,090 ordinary shares of Constellium. This figure reflects both the 71,132 shares received from vesting and the 4,614 shares sold to meet associated tax liabilities.

Constellium CEO gets 71,132 shares, sells 4,614

Constellium SE CEO Ingrid Joerg reported a mix of equity compensation and a small tax-related sale.

Accepted by SEC EDGAR 03/11/2026 - 06:34 AM EDT

Filing Impact

(Neutral)

Filing Sentiment

(Negative)How Sentiment works

Sentiment and the balance of points

Rhea-AI Sentiment reads the wording of the document, how positive or negative its language is on a 1 to 5 scale. The balance of points shown with the takes weighs what the document actually discloses, so the two can disagree, for example when a trial that missed its main goal is described in upbeat language.

How Sentiment works How the balance works

Form Type

Rhea-AI Filing Summary

Constellium SE CEO Ingrid Joerg reported a mix of equity compensation and a small tax-related sale. On March 9, 2026, she acquired 71,132 ordinary shares at no cost from performance stock units granted on March 9, 2023 that vested after meeting performance conditions. On March 10, 2026, she sold 4,614 ordinary shares at $25.87 per share solely to cover tax withholding obligations from the vesting of restricted and performance stock unit awards. After these transactions, she directly held 378,090 ordinary shares.

Insider Trade Summary

Net Seller: 4,614 shares

Net Sell 2 txns

Insider Joerg Ingrid

Role CEO

Sold 4,614 shs ($119K)

Share of Position Sold 1.2%

Type	Security	Shares	Price	Value
Sale	Ordinary shares	4,614	$25.87	$119K
Grant/Award	Ordinary shares	71,132	$0.00	$0.00

Holdings After Transaction: Ordinary shares — 378,090 shares (Direct)

Holdings Before and After: Ordinary shares, 311,572 to 378,090 shares (Direct)

Other Insiders: 8 other insiders reported open-market sales of this stock in the 30 days up to this filing.

Footnotes (2)

F1. 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.
F2. The Reporting Person sold 4,614 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.

FAQ

AI-generated questions and answers. How Rhea-AI works. Not financial advice.

What did ConstelLIUM (CSTM) CEO Ingrid Joerg report in this Form 4 filing?

Constellium CEO Ingrid Joerg reported vesting of performance-based stock awards and a small share sale. She received 71,132 ordinary shares at no cost, then sold 4,614 shares to cover tax withholding obligations related to those vesting awards.

How many Constellium (CSTM) shares did the CEO acquire in this transaction?

The CEO acquired 71,132 ordinary shares of Constellium through earned performance stock units. These units were originally granted on March 9, 2023 and vested on March 9, 2026 after meeting performance-vesting requirements, resulting in a non-cash stock award.

Why did the Constellium (CSTM) CEO sell 4,614 shares after vesting?

The CEO sold 4,614 ordinary shares solely to satisfy tax withholding obligations arising from the vesting of restricted and performance stock unit awards. This type of sale is mechanistic for tax purposes rather than a discretionary open-market reduction in her overall equity stake.

At what price were the 4,614 Constellium (CSTM) shares sold by the CEO?

The 4,614 ordinary shares were sold at $25.87 per share. The sale occurred on March 10, 2026 and, according to the disclosure, was conducted solely to cover tax withholding obligations tied to recently vested stock awards.

Were the new Constellium (CSTM) shares granted to the CEO tied to performance conditions?

Yes. The 71,132 ordinary shares represent earned performance stock units granted on March 9, 2023. These units carried performance-vesting requirements and vested on March 9, 2026, indicating that the specified performance criteria were satisfied over the vesting period.

AI-generated analysis. How Rhea-AI works. Not financial advice.

Form 4 Insider Transactions: What Each Field Means →

See more from StockTitan in Google Search and AI answers. Adds StockTitan as a preferred source · opens Google

Add on Google

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^*

Joerg Ingrid

(Last)

(First)

(Middle)

300 EAST LOMBARD STREET

SUITE 1710

(Street)

BALTIMORE

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)

X	Director	10% Owner
X	Officer (give title below)	Other (specify below)
	CEO

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)
1. Title of Security (Instr. 3)	2. Transaction Date (Month/Day/Year)	2A. Deemed Execution Date, if any (Month/Day/Year)	Code	V	Amount	(A) or (D)	Price		6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	7. Nature of Indirect Beneficial Ownership (Instr. 4)
Ordinary shares	03/09/2026		A		71,132⁽¹⁾	A	$0	382,704	D
Ordinary shares	03/10/2026		S⁽²⁾		4,614	D	$25.87	378,090	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)
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)	Code	V	(A)	(D)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares	8. Price of Derivative Security (Instr. 5)		10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	11. Nature of Indirect Beneficial Ownership (Instr. 4)

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 4,614 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 Ingrid Joerg	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.

Source: View Original Filing on SEC EDGAR