Amrize director buys 30,000 shares at $42.37–$42.53

Rhea-AI Filing Summary

Amrize Ltd (AMRZ) reported that Chairman & CEO Jan Philipp Jenisch purchased a total of 30,000 Ordinary Shares on September 2, 2026 in open-market or private transactions, at per-share prices between $42.37 and $42.53, including indirect purchases held by his spouse.

No Rule 10b5-1 trading plan is reported, and some purchases were executed in Swiss francs and translated into U.S. dollars using the disclosed exchange rate.

Insider Trade Summary

Net Buyer: 30,000 shares

Net Buy 5 txns

Insider Jenisch Jan Philipp

Role Chairman & CEO

Bought 30,000 shs ($1.27M)

Type	Security	Shares	Price	Value
Purchase	Ordinary Shares F1	10,000	$42.37	$424K
Purchase	Ordinary Shares F2	15,000	$42.53	$638K
Purchase	Ordinary Shares	1,000	$42.44	$42K
Purchase	Ordinary Shares F2	2,000	$42.53	$85K
Purchase	Ordinary Shares	2,000	$42.465	$85K

Holdings After Transaction: Ordinary Shares — 1,767,000 shares (Direct); Ordinary Shares — 519,000 shares (Indirect, By spouse)

Footnotes (2)

1. F1. The purchase was made in Swiss Francs at a price of CHF 34.53 per share, and such price was converted into US Dollars using the transaction date exchange rate of (USD 1.00 = CHF 0.8149).
2. F2. The purchase was made in Swiss Francs at a price of CHF 34.66 per share, and such price was converted into US Dollars using the transaction date exchange rate of (USD 1.00 = CHF 0.8149).

Key Figures

Total shares purchased: 30,000 shares Direct purchases: 26,000 shares Indirect purchases by spouse: 4,000 shares +5 more

8 metrics

Total shares purchased 30,000 shares Aggregate Ordinary Shares bought on September 2, 2026

Direct purchases 26,000 shares Ordinary Shares purchased directly by Jan Philipp Jenisch

Indirect purchases by spouse 4,000 shares Ordinary Shares reported as held indirectly by spouse

Purchase price per share $42.37 10,000 Ordinary Shares bought directly on September 2, 2026

Purchase price per share $42.53 15,000 Ordinary Shares bought directly and 2,000 indirectly

Purchase price per share $42.44 1,000 Ordinary Shares bought directly; 2,000 indirectly at $42.465

CHF purchase price CHF 34.53 per share Converted to U.S. dollars for one purchase block, footnote F1

Exchange rate 0.8149 CHF per USD Transaction date exchange rate used for CHF-to-USD conversion

Key Terms

Ordinary Shares, indirect, Rule 10b5-1, transaction date exchange rate, +1 more

5 terms

Ordinary Shares financial

"The reporting person purchased Ordinary Shares of Amrize Ltd"

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.

indirect financial

"Some shares are reported as held indirectly by spouse"

Rule 10b5-1 regulatory

"The Rule 10b5-1 plan checkbox is present but not affirmed"

Rule 10b5-1 is a regulation that allows company insiders to buy or sell their shares at predetermined times, even if they have access to non-public information. It acts like setting a schedule in advance for transactions, helping prevent accusations of unfair trading. This rule provides a way for insiders to plan trades transparently, giving investors confidence that these transactions are not based on hidden information.

transaction date exchange rate financial

"Converted into U.S. Dollars using the transaction date exchange rate"

open market or private transaction financial

"Purchase in open market or private transaction"

FAQ

What insider transactions did AMRZ report for Jan Philipp Jenisch on this Form 4?

The filing reports that Jan Philipp Jenisch purchased 30,000 Ordinary Shares of Amrize Ltd on September 2, 2026 through a series of open-market or private transactions, including both his direct holdings and shares held indirectly by his spouse.

At what prices were the AMRZ shares bought in this Form 4 filing?

The reported purchases were made at per-share prices of $42.37, $42.53, and $42.44. Footnotes explain that some trades were executed in Swiss francs and converted into U.S. dollars using a specified exchange rate.

How many AMRZ shares did Jan Philipp Jenisch and his spouse each buy?

Jan Philipp Jenisch bought 26,000 Ordinary Shares directly (10,000, 15,000 and 1,000 shares), while transactions reported as held indirectly by his spouse total 4,000 Ordinary Shares (2,000 and 2,000 shares).

Were the AMRZ insider purchases made under a Rule 10b5-1 trading plan?

No. The filing’s Rule 10b5-1 checkbox is not affirmed, and there is no footnote stating that the September 2, 2026 purchases were made pursuant to a Rule 10b5-1 or other pre-arranged trading plan.

In what currency were some AMRZ share purchases executed and what exchange rate was used?

Some purchases were executed in Swiss francs (CHF) at prices of CHF 34.53 and CHF 34.66 per share, and the filing states they were converted into U.S. dollars using a transaction date exchange rate of USD 1.00 = CHF 0.8149.

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Available on EDGAR 09/03/2026 - 12:40 PM Accepted by SEC EDGAR 09/03/2026 - 12:40 PM Learn about SEC filing dates

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^*

Jenisch Jan Philipp

(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)

X	Director		10% Owner
X	Officer (give title below)		Other (specify below)
	Chairman & CEO

2a. Foreign Trading Symbol

3. Date of Earliest Transaction (Month/Day/Year)
09/02/2026

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	09/02/2026		P		10,000	A	$42.37(1)	1,751,000	D
Ordinary Shares	09/02/2026		P		15,000	A	$42.53(2)	1,766,000	D
Ordinary Shares	09/02/2026		P		1,000	A	$42.44	1,767,000	D
Ordinary Shares	09/02/2026		P		2,000	A	$42.53(2)	517,000	I	By spouse
Ordinary Shares	09/02/2026		P		2,000	A	$42.465	519,000	I	By spouse

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 34.53 per share, and such price was converted into US Dollars using the transaction date exchange rate of (USD 1.00 = CHF 0.8149).

2. The purchase was made in Swiss Francs at a price of CHF 34.66 per share, and such price was converted into US Dollars using the transaction date exchange rate of (USD 1.00 = CHF 0.8149).

Remarks:

	/s/ Hans Weinburger, Attorney-in-Fact	09/03/2026
	** 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)