AMRZ Form 4: Chief Strategy & M&A Officer raises direct holdings to 3,389 shares

Rhea-AI Filing Summary

Poletti Samuel Jonas, identified as Chief Strategy & M&A Officer of Amrize Ltd (AMRZ), reported a purchase of ordinary shares on 08/08/2025. The filing shows an acquisition of 1,280 ordinary shares purchased at CHF 37.37 per share, converted at the transaction-date rate (USD 1.00 = CHF 0.8086) to a reported price of $46.22 per share. Following the transaction, the reporting person beneficially owned 3,389 ordinary shares in a direct ownership form.

The Form 4 was submitted by one reporting person and bears a signature dated 08/12/2025 by Hans Weinburger, Attorney-in-Fact. The filing explicitly discloses the currency conversion used for the transaction. No derivative transactions or additional dispositions are reported in this Form 4.

Positive

• Insider purchase disclosed: Chief Strategy & M&A Officer acquired 1,280 ordinary shares, increasing direct holdings to 3,389 shares.
• Transparent currency disclosure: Purchase price given in CHF with the USD conversion rate explicitly stated (USD 1.00 = CHF 0.8086).

Negative

• None.

Insights

Financial Analyst

TL;DR: Officer Poletti purchased 1,280 AMRZ shares on 08/08/2025 at CHF 37.37 (USD $46.22), raising direct holdings to 3,389 shares.

The transaction is clearly documented with price, currency conversion and post-transaction beneficial ownership. The filing does not provide outstanding share count or percentage ownership, so the purchase's scale relative to the company cannot be assessed from this Form 4 alone. The use of an Attorney-in-Fact signature is noted and the filing was made by a single reporting person.

Corporate Governance Expert

TL;DR: Officer-level insider executed a direct purchase; documentation includes exchange-rate explanation and post-transaction holdings.

The Form 4 documents an officer purchase and identifies the reporting person and title. The explanatory note specifies the transaction currency (CHF) and the conversion rate used, which improves transparency. The filing contains no mention of a pre-arranged trading plan or derivative transactions. Materiality for governance or control implications cannot be determined from the disclosed share counts alone.

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^*

Poletti Samuel Jonas

(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 Strategy & M&A Officer

3. Date of Earliest Transaction (Month/Day/Year)
08/08/2025

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	08/08/2025		P		1,280	A	$46.22(1)	3,389	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 37.37 per share, and converted into US Dollars using the transaction date exchange rate of (USD 1.00 = CHF 0.8086).

	Hans Weinburger, Attorney-in-Fact	08/12/2025
	** 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.
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 insider activity was reported for Amrize Ltd (AMRZ)?

The Form 4 reports that Poletti Samuel Jonas purchased 1,280 ordinary shares on 08/08/2025.

At what price were the AMRZ shares purchased?

The shares were purchased at CHF 37.37 per share, converted using the rate USD 1.00 = CHF 0.8086 to a reported $46.22 per share.

How many AMRZ shares does the reporting person own after the transaction?

Following the reported purchase, the reporting person beneficially owned 3,389 ordinary shares as a direct owner.

Who signed the Form 4 and when was it signed?

The Form 4 was signed by Hans Weinburger, Attorney-in-Fact on 08/12/2025.

Was this Form 4 filed by more than one reporting person?

No. The filing indicates it was a Form filed by one reporting person.