Amrize (AMRZ) chief people officer buys additional company shares

Rhea-AI Filing Summary

Amrize Ltd Chief People Officer buys shares on the open market. On this Form 4, Stephen S. Clark reported an open-market purchase of 2.152 Ordinary Shares at $52.75 per share. After the transaction, he directly holds 5,260 Ordinary Shares, including 258 shares acquired under the Amrize Ltd 2025 Employee Stock Purchase Plan on December 31, 2025.

Insider Trade Summary

Net Buyer: 2.152 shares ($114)

Net Buy 1 txn

Insider Clark Stephen S

Role Chief People Officer

Bought 2.152 shs ($113.52)

Type	Security	Shares	Price	Value
Purchase	Ordinary Shares	2.152	$52.75	$113.52

Holdings After Transaction: Ordinary Shares — 5,260 shares (Direct, null)

Footnotes (1)

1. [object Object]

Key Figures

Shares purchased: 2.152 shares Purchase price: $52.75 per share Total holdings after trade: 5,260 shares +1 more

4 metrics

Shares purchased 2.152 shares Open-market purchase on May 5, 2026

Purchase price $52.75 per share Price for Ordinary Shares bought

Total holdings after trade 5,260 shares Ordinary Shares directly held following transaction

ESPP shares included 258 shares Acquired under 2025 Employee Stock Purchase Plan on December 31, 2025

Key Terms

open-market purchase, Ordinary Shares, Employee Stock Purchase Plan

3 terms

open-market purchase financial

"transaction_action": "open-market purchase""

An open-market purchase is when an investor or a company buys shares on a public stock exchange at the going market price, rather than through a private deal. It matters to investors because these purchases change how many shares are available, can push the stock price up or signal confidence from large buyers, and often affect per-share metrics like earnings—think of it like someone buying lots of apples off a grocery shelf, reducing supply and potentially raising the price.

Ordinary Shares financial

""security_title": "Ordinary Shares""

Ordinary shares are a type of ownership stake in a company, giving shareholders a right to participate in the company’s profits and decision-making through voting. They are similar to owning a piece of a business, and their value can rise or fall based on the company's performance. Investors buy ordinary shares to potentially earn dividends and benefit from the company's growth over time.

Employee Stock Purchase Plan financial

"shares acquired under the Amrize Ltd 2025 Employee Stock Purchase Plan"

An employee stock purchase plan is a company program that lets workers buy shares through small payroll deductions, often at a discount to the market price and after a set offering period. Think of it like a workplace savings plan that turns into ownership: it encourages employees to share in the company’s success and can create predictable buying or selling of stock that investors watch because it affects supply, demand and employee incentives.

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^*

Clark Stephen S

(Last) (First) (Middle)

GRAFENAUWEG 8

(Street)

ZUG 6300

(City) (State) (Zip)

SWITZERLAND

(Country)

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 People Officer

2a. Foreign Trading Symbol

3. Date of Earliest Transaction (Month/Day/Year)
05/05/2026

6. Individual or Joint/Group Filing (Check Applicable Line)

X	Form filed by One Reporting Person
	Form filed by More than One Reporting Person

4. If Amendment, Date of Original Filed (Month/Day/Year)

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	05/05/2026		P		2.152	A	$52.75	5,260(1)	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. Includes 258 shares acquired under the Amrize Ltd 2025 Employee Stock Purchase Plan on December 31, 2025.

	Hans Weinburger, Attorney-in-Fact	05/07/2026
	** 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.
* Form 4: SEC 1474 (03-26)

FAQ

What insider transaction did Amrize (AMRZ) disclose in this Form 4?

Amrize disclosed that Chief People Officer Stephen S. Clark made an open-market purchase of 2.152 Ordinary Shares. The transaction was reported as a direct ownership change and reflects a small addition to his personal stake in the company.

How many Amrize (AMRZ) shares did the executive buy and at what price?

Stephen S. Clark bought 2.152 Amrize Ordinary Shares at $52.75 per share in an open-market transaction. This filing shows the exact trade size and price, providing transparency into the executive’s recent share purchase activity.

What are Stephen S. Clark’s total Amrize (AMRZ) holdings after the trade?

Following the reported purchase, Stephen S. Clark directly holds 5,260 Amrize Ordinary Shares. This total includes shares previously accumulated, such as 258 acquired through the company’s 2025 Employee Stock Purchase Plan on December 31, 2025.

What is noted about Amrize’s Employee Stock Purchase Plan in the filing?

The filing states that Clark’s holdings include 258 shares acquired under the Amrize Ltd 2025 Employee Stock Purchase Plan on December 31, 2025. This highlights that part of his ownership comes from an employee-focused share accumulation program rather than only open-market buying.

Is this Amrize (AMRZ) Form 4 transaction a buy or a sale?

The Form 4 reports a buy transaction. Specifically, Stephen S. Clark executed an open-market purchase of Ordinary Shares, coded as a purchase in the filing, which increases his directly held position in Amrize Ltd stock.