CTO of Amrize (AMRZ) purchases 2,000 shares in open-market trade

Rhea-AI Filing Summary

Amrize Ltd Chief Technology Officer Brouwer Roald bought 2,000 ordinary shares in an open-market transaction. The purchase was made on March 13, 2026 at a reported price of $54.88 per share, increasing his direct holdings to 18,257 shares.

The transaction was executed in Swiss Francs at a price of CHF 43.26 per share and converted into U.S. dollars using the transaction-date exchange rate of USD 1.00 = CHF 0.7883, as disclosed in the footnote.

Insider Trade Summary

Net Buyer: 2,000 shares ($109,760)

Net Buy 1 txn

Insider Brouwer Roald

Role Chief Technology Officer

Bought 2,000 shs ($110K)

Type	Security	Shares	Price	Value
Purchase	Ordinary Shares	2,000	$54.88	$110K

Holdings After Transaction: Ordinary Shares — 18,257 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)
03/13/2026

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	03/13/2026		P		2,000	A	$54.88(1)	18,257	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 43.26 per share, and converted into US Dollars using the transaction date exchange rate of (USD 1.00 = CHF 0.7883).

	Hans Weinburger, Attorney-in-Fact	03/16/2026
	** 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 for its CTO?

Amrize reported that Chief Technology Officer Brouwer Roald bought 2,000 ordinary shares in an open-market transaction. This Form 4 filing shows a direct purchase rather than a grant, increasing his direct ownership stake in the company’s equity.

How many Amrize (AMRZ) shares does the CTO hold after this trade?

After buying 2,000 ordinary shares, Chief Technology Officer Brouwer Roald directly holds 18,257 Amrize shares. The filing indicates these are non-derivative, ordinary shares held directly, providing a snapshot of his equity position following the reported transaction.

At what price did the Amrize (AMRZ) CTO buy the 2,000 shares?

The reported purchase price was $54.88 per share for 2,000 ordinary shares. A footnote explains the trade was executed in Swiss Francs at CHF 43.26 per share and then converted into U.S. dollars using the transaction-date exchange rate.

Was the Amrize (AMRZ) CTO transaction an open-market purchase or a grant?

The transaction was an open-market purchase, coded “P” and described as a purchase in open market or private transaction. It involves the CTO using cash to buy existing ordinary shares, rather than receiving shares as part of a compensation grant.

Did the Amrize (AMRZ) Form 4 include any derivative securities for the CTO?

The filing shows only a non-derivative transaction in ordinary shares, with no listed derivative securities. The derivativeSummary section is empty, indicating no options, warrants, or other derivatives were reported as part of this particular Form 4.

In what currency was the Amrize (AMRZ) CTO trade executed and reported?

The trade was executed in Swiss Francs at CHF 43.26 per share but reported in U.S. dollars. A footnote states the conversion used the transaction-date exchange rate of USD 1.00 = CHF 0.7883 to derive the dollar price per share.