Amrize CEO buys 28,417 shares in open market

Amrize Ltd Chairman & CEO Jenisch Jan Philipp reported open-market purchases of 28,417 Ordinary Shares on May 15, 2026.

Rhea-AI Filing Summary

Amrize Ltd Chairman & CEO Jenisch Jan Philipp reported open-market purchases of 28,417 Ordinary Shares on May 15, 2026. The transactions included 7,000 shares bought indirectly through his spouse and two direct purchases of 8,000 and 13,417 shares at prices around $49 per share.

After these trades, the filing shows direct ownership totals of 1,724,999 and 1,716,999 Ordinary Shares reported following the respective purchases, and 512,000 shares held indirectly. A footnote notes one purchase was executed at CHF 39.05 per share and converted into U.S. dollars using the transaction-date exchange rate.

Insider Trade Summary

Net Buyer: 28,417 shares

Net Buy 3 txns

Insider Jenisch Jan Philipp

Role Chairman & CEO

Bought 28,417 shs ($1.41M)

Type	Security	Shares	Price	Value
Purchase	Ordinary Shares	13,417	$49.69	$667K
Purchase	Ordinary Shares	8,000	$49.63	$397K
Purchase	Ordinary Shares	7,000	$49.12	$344K

Holdings After Transaction: Ordinary Shares — 1,724,999 shares (Direct); Ordinary Shares — 512,000 shares (Indirect, By spouse)

Footnotes (1)

1. F1. The purchase was made in Swiss Francs at a price of CHF 39.05 per share, and such price was converted into US Dollars using the transaction date exchange rate (USD 1.00 = CHF 0.7858).

Key Figures

Total shares bought: 28,417 shares Indirect purchase size: 7,000 shares First direct purchase: 8,000 shares at $49.63/share +4 more

7 metrics

Total shares bought 28,417 shares Open-market purchases on May 15, 2026

Indirect purchase size 7,000 shares Ordinary Shares held by spouse

First direct purchase 8,000 shares at $49.63/share Ordinary Shares, open-market purchase

Second direct purchase 13,417 shares at $49.69/share Ordinary Shares, open-market purchase

Direct holdings after trade 1,716,999 shares Ordinary Shares following a reported purchase

Indirect holdings after trade 512,000 shares Ordinary Shares held indirectly by spouse

CHF transaction price CHF 39.05/share Converted into USD using stated exchange rate

Key Terms

open-market purchase, Ordinary Shares, indirect ownership, transaction date exchange rate

4 terms

open-market purchase financial

"transaction_action: "open-market purchase" for each Ordinary Shares trade"

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" for all reported transactions"

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 ownership financial

"ownership_type: "indirect" with nature_of_ownership "By spouse""

transaction date exchange rate financial

"price converted into US Dollars using the transaction date exchange rate"

FAQ

AI-generated questions and answers. How Rhea-AI works. Not financial advice.

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

Amrize reported that Chairman & CEO Jenisch Jan Philipp bought 28,417 Ordinary Shares in open-market transactions on May 15, 2026. The filing details both direct and indirect purchases and the resulting share holdings after each trade.

How many Amrize (AMRZ) shares did the CEO buy and at what prices?

The CEO bought 28,417 Ordinary Shares, including lots of 7,000, 8,000, and 13,417 shares. Reported purchase prices were about $49 per share, including transactions at $49.12, $49.63, and $49.69 per share in open-market trades.

Were any Amrize (AMRZ) shares bought indirectly on behalf of the CEO?

Yes. One transaction for 7,000 Ordinary Shares is reported as indirect ownership, held "By spouse." This means those shares are associated with the CEO through his spouse rather than being held directly in his own name.

What are the CEO’s reported Amrize (AMRZ) share holdings after these purchases?

After the reported purchases, the filing lists 1,724,999 and 1,716,999 Ordinary Shares as direct holdings following the respective direct trades, and 512,000 shares as indirectly held. These figures show a substantial continuing ownership position in the company.

In what currency were some Amrize (AMRZ) shares initially purchased?

One purchase was executed in Swiss Francs at CHF 39.05 per share. The filing explains that this price was converted into U.S. dollars using the transaction-date exchange rate of USD 1.00 = CHF 0.7858 for reporting purposes.

AI-generated analysis. How Rhea-AI works. Not financial advice.

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Accepted by SEC EDGAR 05/18/2026 - 04:33 PM EDT 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)
05/15/2026

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	05/15/2026		P		13,417	A	$49.69(1)	1,716,999	D
Ordinary Shares	05/15/2026		P		8,000	A	$49.63	1,724,999	D
Ordinary Shares	05/15/2026		P		7,000	A	$49.12	512,000	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 39.05 per share, and such price was converted into US Dollars using the transaction date exchange rate (USD 1.00 = CHF 0.7858).

	Hans Weinburger, Attorney-in-Fact	05/18/2026
	** 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)