CTO of Amrize (AMRZ) buys 3,000 company shares

Rhea-AI Filing Summary

Amrize Ltd Chief Technology Officer Roald Brouwer bought 3,000 Ordinary Shares in an open‑market purchase at $58.72 per share. After this transaction, he directly owns 16,257 Ordinary Shares.

According to a footnote, the purchase price was CHF 45.72 per share, converted into U.S. dollars using a transaction‑date exchange rate of USD 1.00 = CHF 0.7786.

Insider Trade Summary

Net Buyer: 3,000 shares ($176,160)

Net Buy 1 txn

Insider Brouwer Roald

Role Chief Technology Officer

Bought 3,000 shs ($176K)

Type	Security	Shares	Price	Value
Purchase	Ordinary Shares	3,000	$58.72	$176K

Holdings After Transaction: Ordinary Shares — 16,257 shares (Direct)

Footnotes (1)

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Form 4 Insider Transactions: What Each Field Means →

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^*

Brouwer Roald

(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 Technology Officer

3. Date of Earliest Transaction (Month/Day/Year)
03/11/2026

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	03/11/2026		P		3,000	A	$58.72(1)	16,257	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 45.72 per share, and converted into US Dollars using the transaction date exchange rate of (USD 1.00 = CHF 0.7786).

	Hans Weinburger, Attorney-in-Fact	03/11/2026
	** 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).
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 transaction did Amrize (AMRZ) report in this Form 4?

Amrize (AMRZ) reported that Chief Technology Officer Roald Brouwer purchased 3,000 Ordinary Shares in an open‑market transaction. The shares were acquired at a reported price of $58.72 per share, increasing his direct ownership stake in the company.

How many Amrize (AMRZ) shares does Roald Brouwer own after this trade?

Following the reported purchase, Roald Brouwer directly owns 16,257 Ordinary Shares of Amrize. This total reflects his position after buying 3,000 shares in the open market, as disclosed in the Form 4 insider transaction filing.

What price did the Amrize (AMRZ) CTO pay per share in this purchase?

Roald Brouwer paid a reported $58.72 per Ordinary Share in the open‑market purchase. A footnote explains the trade was executed at CHF 45.72 per share and converted to U.S. dollars using a specified exchange rate on the transaction date.

Was the Amrize (AMRZ) insider transaction a buy or a sell?

The Amrize (AMRZ) insider transaction was a buy. Chief Technology Officer Roald Brouwer executed an open‑market purchase of 3,000 Ordinary Shares, with no sales reported in this Form 4, resulting in a net increase in his direct holdings.

Did the Amrize (AMRZ) Form 4 involve any derivative securities?

No, this Amrize (AMRZ) Form 4 reports only a non‑derivative transaction in Ordinary Shares. There are no option exercises, warrants, or other derivative securities listed, and the derivative position summary section is empty in this filing.

In what currency was the Amrize (AMRZ) insider trade executed?

The insider trade for Amrize (AMRZ) was executed in Swiss Francs at CHF 45.72 per share. The filing states that this amount was converted into U.S. dollars using a transaction‑date exchange rate of USD 1.00 = CHF 0.7786.