Equity award lifts Amrize Ltd (AMRZ) officer Mario Gross to 27,747 shares

Rhea-AI Filing Summary

Amrize Ltd Chief Supply Chain Officer Mario Gross reported an equity award settlement that increased his direct holdings. On this Form 4, he acquired 4,257 Amrize ordinary shares at a stated price of $0.00 per share through the settlement of performance stock units.

After this grant, his direct ownership rose to 27,747 ordinary shares. The settled units stemmed from performance stock awards originally granted by Holcim Ltd and converted in connection with the June 23, 2025 spin-off of Amrize, with vesting based on the performance of both Holcim and Amrize from January 1, 2023 through December 31, 2025. His holdings also include 258 shares obtained under the Amrize Ltd 2025 Employee Stock Purchase Plan on December 31, 2025.

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

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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^*

Gross Mario

(Last) (First) (Middle)

GRAFENAUWEG 8

(Street)

ZUG V8 6300

(City) (State) (Zip)

2. Issuer Name and Ticker or Trading Symbol
Amrize Ltd [ AMRZ ]

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

	Director		10% Owner
X	Officer (give title below)		Other (specify below)
	Chief Supply Chain Officer

3. Date of Earliest Transaction (Month/Day/Year)
02/27/2026

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	02/27/2026		A(1)		4,257	A	$0	27,747(2)	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 settlement of an award of performance stock units of Amrize Ltd ("Amrize") into Amrize ordinary shares. The performance stock units that were settled resulted from the conversion of certain equity incentive awards previously granted by Holcim Ltd ("Holcim") and converted in connection with the consummation on June 23, 2025 of the distribution of all of the ordinary shares of Amrize by Holcim to holders of Holcim ordinary shares on a pro rata basis (the "Spin-Off"). Such performance stock units vested based on the performance of Holcim and Amrize for the period from January 1, 2023 through December 31, 2025.

2. Includes 258 shares acquired under the Amrize Ltd 2025 Employee Stock Purchase Plan on December 31, 2025.

	Hans Weinburger, Attorney-in-Fact	03/03/2026
	** 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).
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FAQ

What insider transaction did Amrize Ltd (AMRZ) report for Mario Gross?

Amrize reported that Chief Supply Chain Officer Mario Gross acquired 4,257 ordinary shares through settlement of performance stock units. This equity award increased his direct ownership stake without an open-market purchase, reflecting compensation linked to company and Holcim performance over a multi-year period.

How many Amrize (AMRZ) shares does Mario Gross own after this Form 4?

Following the reported equity award, Mario Gross directly owns 27,747 Amrize ordinary shares. This total includes shares received from settled performance stock units and 258 shares previously acquired under the Amrize Ltd 2025 Employee Stock Purchase Plan on December 31, 2025.

Was the Amrize (AMRZ) insider transaction an open-market buy or a stock award?

The transaction was a stock award settlement, not an open-market purchase. Gross received 4,257 ordinary shares at a stated price of $0.00 per share when performance stock units converted into Amrize stock upon vesting under prior equity incentive arrangements.

What is the origin of the performance stock units settled into Amrize (AMRZ) shares?

The settled performance stock units originated from equity incentive awards previously granted by Holcim Ltd and converted in connection with the June 23, 2025 spin-off of Amrize. Vesting depended on Holcim and Amrize performance from January 1, 2023 through December 31, 2025.

Does the Form 4 show other Amrize (AMRZ) share acquisitions by Mario Gross?

Yes. The filing notes that his holdings include 258 shares acquired under the Amrize Ltd 2025 Employee Stock Purchase Plan on December 31, 2025. These employee-plan shares are part of his 27,747 directly owned Amrize ordinary shares after the reported transaction.

What is Mario Gross’s role at Amrize Ltd (AMRZ) in this Form 4?

In this Form 4, Mario Gross is identified as an officer of Amrize Ltd serving as Chief Supply Chain Officer. The reported transaction reflects equity compensation associated with his role rather than discretionary open-market trading activity in the company’s ordinary shares.