[Form 4] Amrize Ltd Insider Trading Activity

Rhea-AI Filing Summary

Amrize Ltd (AMRZ) officer purchased shares on 08/13/2025. The reporting person, identified as an officer serving as Chief Supply Chain Officer, acquired 3,000 ordinary shares at a reported price of $49.63 per share. After the purchase the officer directly beneficially owned 23,232 shares. The purchase was executed in Swiss francs at CHF 39.87 per share and converted using the transaction-day rate of USD 1.00 = CHF 0.8034. The Form 4 was signed by an attorney-in-fact, Hans Weinburger, on 08/14/2025. The filing records a purchase transaction coded "P" and documents the change in direct ownership without additional derivative activity disclosed.

Insights

Corporate Governance Expert

TL;DR: An officer bought 3,000 shares, modestly increasing direct ownership to 23,232, signaling insider alignment with equity.

The Form 4 shows a straightforward open-market purchase by an officer serving as Chief Supply Chain Officer. The acquisition of 3,000 ordinary shares at $49.63 each increases direct ownership and was executed in Swiss francs then converted to USD. From a governance perspective, officer purchases typically indicate alignment with shareholder interests, though the filing does not disclose intent beyond the purchase. The form was executed by an attorney-in-fact, which is procedural and common for filings handled by counsel or agents.

Securities Analyst

TL;DR: Transaction is a routine insider purchase; size and context are limited, producing a neutral material impact.

The filing documents a purchase coded "P" with no derivative transactions reported. The total consideration per share is shown as $49.63 after conversion from CHF 39.87 using the stated exchange rate. The addition of 3,000 shares changes the officer's direct holdings to 23,232 shares. Absent company-wide metrics or larger-scale insider activity, this single transaction is unlikely to be materially impactful to valuation models by itself.

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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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^*

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)
08/13/2025

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	08/13/2025		P		3,000	A	$49.63(1)	23,232	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. The purchase was made in Swiss Francs at a price of CHF 39.87 per share, and converted into US Dollars using the transaction date exchange rate of (USD 1.00 = CHF 0.8034).

	Hans Weinburger, Attorney-in-Fact	08/14/2025
	** 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.
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