[Form 4] Amrize Ltd Insider Trading Activity

Rhea-AI Filing Summary

Amrize Ltd (AMRZ) insider purchase: Reporting person Jaime Hill, an officer serving as President, Building Materials, acquired 500 ordinary shares on 08/22/2025 at a price of $49.585 per share. After the transaction, Mr. Hill beneficially owned 14,101 shares in a direct capacity. The Form 4 discloses the purchase and the reporting signature by an attorney-in-fact.

Positive

• Officer purchase disclosed: Jaime Hill acquired 500 shares, increasing direct ownership to 14,101 shares
• Transparent Section 16 reporting: Transaction reported on a Form 4 with an authorized signature

Negative

• None.

Insights

Securities Analyst

TL;DR: An officer purchased 500 shares, modestly increasing direct ownership to 14,101 shares.

The Form 4 documents a straightforward open-market purchase of 500 ordinary shares by Jaime Hill at $49.585 per share on 08/22/2025. This increases direct beneficial ownership to 14,101 shares. The transaction appears routine and compliant with Section 16 reporting rules; no derivative or complex transactions are reported. Given the size disclosed, the trade is unlikely to be material to valuation unless the company has a very small float.

Corporate Governance Expert

TL;DR: Routine insider purchase by a company officer; disclosure is complete and properly signed by an attorney-in-fact.

The filing identifies Jaime Hill as an officer (President, Building Materials) and reports a purchase of 500 shares, raising direct ownership to 14,101 shares. The Form 4 includes the required signature executed by an attorney-in-fact, indicating procedural compliance. There are no amendments, derivative holdings, or additional relationships disclosed that would raise governance concerns.

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)
08/22/2025

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	08/22/2025		P		500	A	$49.585	14,101	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	08/25/2025
	** 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 the Amrize Ltd (AMRZ) insider report on Form 4?

The filing reports that Jaime Hill purchased 500 ordinary shares on 08/22/2025 at $49.585 per share.

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

Following the transaction, Jaime Hill beneficially owns 14,101 shares in a direct capacity.

Was the Form 4 signed by the reporting person for AMRZ?

The form shows the signature was executed by an attorney-in-fact (Hans Weinburger) on behalf of the reporting person.

Did the AMRZ Form 4 disclose any derivative securities or option activity?

No. Table II for derivative securities contains no entries, so no derivatives or options were reported.

What is Jaime Hill’s role at Amrize Ltd as stated on the Form 4?

Jaime Hill is disclosed as an officer with the title President, Building Materials.