[Form 4] Amrize Ltd Insider Trading Activity

Rhea-AI Filing Summary

Amrize Ltd officer Jaime Hill reported a purchase of 4,000 ordinary shares with a reported price of $46.4 per share on 08/08/2025, increasing Hill's beneficial ownership to 9,601 shares. The Form 4 identifies Hill as an officer (President, Building Materials) and shows no derivative transactions in Table II. The transaction is coded P, indicating a purchase.

Positive

• Officer purchase of 4,000 ordinary shares signals insider acquisition activity
• Beneficial ownership increased to 9,601 shares, clarifying Hill's holding
• No derivative transactions reported, simplifying the ownership disclosure

Negative

• None.

Insights

Securities Analyst

Insider purchase reported; modest size likely routine and provides limited incremental insight into company valuation.

The Form 4 documents a direct purchase of 4,000 ordinary shares at $46.4, raising total beneficial ownership to 9,601 shares. For most issuers, a purchase of this size is a routine insider acquisition and is not by itself a material signal of a change in fundamentals. The absence of derivative activity simplifies the ownership picture.

Corporate Governance Expert

Officer-level purchase disclosed; improves transparency but is not a material governance event.

Jaime Hill is identified as an officer (President, Building Materials) and reported a direct acquisition coded P. The report enhances transparency around insider holdings but does not indicate any governance change, related-party transaction, or shift in control based on the information provided.

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^*

Hill Jaime

(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)
	President, Building Materials

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		4,000	A	$46.4	9,601	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:

	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.
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 transaction did Jaime Hill report on Form 4 for AMRZ?

The Form 4 reports a purchase of 4,000 ordinary shares of Amrize Ltd at a reported price of $46.4 per share.

How many AMRZ shares does Jaime Hill beneficially own after the reported transaction?

Following the reported transaction, Jaime Hill beneficially owns 9,601 shares.

What role does the reporting person hold at AMRZ?

The form lists Jaime Hill as an officer, specifically President, Building Materials.

Does the Form 4 for AMRZ include any derivative transactions?

No. Table II is empty, and the filing shows no derivative securities acquired or disposed of in this report.

What does the transaction code indicate on this Form 4?

The transaction is coded P on the form, which on Form 4 indicates a purchase of securities.