Samuel Jonas Poletti - 27 Feb 2026 Form 4 Insider Report for Amrize Ltd (AMRZ)

Role: Chief Strategy & M&A Officer
Signature: Hans Weinburger, Attorney-in-Fact
Issuer symbol: AMRZ
Transactions as of: 27 Feb 2026
Net transactions value: $0
Form type: 4
Filing time: 03 Mar 2026, 11:00:58 UTC
Previous filing: 12 Aug 2025
SEC: View on sec.gov

Reporting Owners (1)

Name	Relationship	Address	Signature	Signature date	CIK
Poletti Samuel Jonas	Chief Strategy & M&A Officer	GRAFENAUWEG 8, ZUG, SWITZERLAND	Hans Weinburger, Attorney-in-Fact	03 Mar 2026	0002066486

Transactions Table

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Ownership	Footnotes
transaction	AMRZ	Ordinary Shares	Award	$0	+4,256	+126%	$0.000000	7,645	27 Feb 2026	Direct	F1

* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id	Content
F1	Represents settlement of an award of performance stock units of Amrize Ltd ("Amrize") into Amrize ordinary shares. The performance stock units that were settled resulted from the conversion of certain equity incentive awards previously granted by Holcim Ltd ("Holcim") and converted in connection with the consummation on June 23, 2025 of the distribution of all of the ordinary shares of Amrize by Holcim to holders of Holcim ordinary shares on a pro rata basis (the "Spin-Off"). Such performance stock units vested based on the performance of Holcim and Amrize for the period from January 1, 2023 through December 31, 2025.

Content

Represents settlement of an award of performance stock units of Amrize Ltd ("Amrize") into Amrize ordinary shares. The performance stock units that were settled resulted from the conversion of certain equity incentive awards previously granted by Holcim Ltd ("Holcim") and converted in connection with the consummation on June 23, 2025 of the distribution of all of the ordinary shares of Amrize by Holcim to holders of Holcim ordinary shares on a pro rata basis (the "Spin-Off"). Such performance stock units vested based on the performance of Holcim and Amrize for the period from January 1, 2023 through December 31, 2025.