Amrize Ltd (AMRZ) CEO Jan Philipp Jenisch adds 19,001 shares in open-market buys

Rhea-AI Filing Summary

Amrize Ltd Chairman & CEO Jan Philipp Jenisch reported a series of open-market purchases of the company’s Ordinary Shares on May 19, 2026. Across seven transactions, he bought 19,001 shares, including 3,000 shares held indirectly through his spouse and the rest as direct holdings.

The reported purchase prices ranged from $48.50 to $49.96 per share. Footnotes explain that several trades were executed in Swiss Francs at prices of CHF 39.05, CHF 39.10, and CHF 39.31 per share, converted using a transaction-date exchange rate of USD 1.00 = CHF 0.7869.

Insider Trade Summary

Net Buyer: 19,001 shares ($938,451)

Net Buy 7 txns

Insider Jenisch Jan Philipp

Role Chairman & CEO

Bought 19,001 shs ($938K)

Type	Security	Shares	Price	Value
Purchase	Ordinary Shares	3,001	$49.63	$149K
Purchase	Ordinary Shares	7,000	$49.69	$348K
Purchase	Ordinary Shares	1,360	$48.50	$66K
Purchase	Ordinary Shares	2,000	$48.72	$97K
Purchase	Ordinary Shares	1,640	$48.69	$80K
Purchase	Ordinary Shares	1,000	$48.55	$49K
Purchase	Ordinary Shares	3,000	$49.96	$150K

Holdings After Transaction: Ordinary Shares — 1,728,000 shares (Direct, null); Ordinary Shares — 515,000 shares (Indirect, By spouse)

Footnotes (1)

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 of (USD 1.00 = CHF 0.7869). The purchase was made in Swiss Francs at a price of CHF 39.10 per share, and such price was converted into US Dollars using the transaction date exchange rate of (USD 1.00 = CHF 0.7869). The purchase was made in Swiss Francs at a price of CHF 39.31 per share, and such price was converted into US Dollars using the transaction date exchange rate of (USD 1.00 = CHF 0.7869).

Key Figures

Total shares purchased: 19,001 shares Indirect shares via spouse: 3,000 shares Highest purchase price: $49.96 per share +3 more

6 metrics

Total shares purchased 19,001 shares Open-market purchases of Amrize Ordinary Shares on May 19, 2026

Indirect shares via spouse 3,000 shares Ordinary Shares classified as indirectly owned by spouse

Highest purchase price $49.96 per share Open-market Ordinary Share purchase price on May 19, 2026

Lowest purchase price $48.50 per share Open-market Ordinary Share purchase price on May 19, 2026

CHF price example CHF 39.05 per share Trade executed in Swiss Francs, converted using USD 1.00 = CHF 0.7869

Exchange rate used USD 1.00 = CHF 0.7869 Conversion rate applied to CHF trade prices on transaction date

Key Terms

open-market purchase, Ordinary Shares, indirect ownership, transaction date exchange rate, +1 more

5 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.

indirect ownership financial

"ownership_type: indirect; nature_of_ownership: By spouse"

transaction date exchange rate financial

"converted into US Dollars using the transaction date exchange rate of (USD 1.00 = CHF 0.7869)"

Form 4 regulatory

"INSIDER FILING DATA (Form 4)"

Form 4 is a official document that company insiders, such as executives or major shareholders, file with regulators whenever they buy or sell company shares. It provides transparency about how those with inside knowledge are trading, helping investors see if insiders are confident in the company's prospects or may be selling for personal reasons. This information can influence investor decisions by revealing insiders' perspectives on the company's value.

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^*

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)
05/19/2026

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	05/19/2026		P		3,001	A	$49.63(1)	1,728,000	D
Ordinary Shares	05/19/2026		P		7,000	A	$49.69(2)	1,735,000	D
Ordinary Shares	05/19/2026		P		1,360	A	$48.5	1,736,360	D
Ordinary Shares	05/19/2026		P		2,000	A	$48.72	1,738,360	D
Ordinary Shares	05/19/2026		P		1,640	A	$48.69	1,740,000	D
Ordinary Shares	05/19/2026		P		1,000	A	$48.55	1,741,000	D
Ordinary Shares	05/19/2026		P		3,000	A	$49.96(3)	515,000	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 of (USD 1.00 = CHF 0.7869).

2. The purchase was made in Swiss Francs at a price of CHF 39.10 per share, and such price was converted into US Dollars using the transaction date exchange rate of (USD 1.00 = CHF 0.7869).

3. The purchase was made in Swiss Francs at a price of CHF 39.31 per share, and such price was converted into US Dollars using the transaction date exchange rate of (USD 1.00 = CHF 0.7869).

	Hans Weinburger, Attorney-in-Fact	05/20/2026
	** 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 did Amrize Ltd (AMRZ) Chairman & CEO buy in this Form 4?

Amrize Ltd Chairman & CEO Jan Philipp Jenisch reported buying 19,001 Ordinary Shares on May 19, 2026. The purchases were open-market transactions at prices around the high-$40 range per share, showing additional personal exposure to Amrize equity.

At what prices did the Amrize Ltd (AMRZ) insider purchases occur?

The reported Amrize purchases occurred at prices between $48.50 and $49.96 per share. Footnotes note corresponding Swiss Franc prices of CHF 39.05, CHF 39.10, and CHF 39.31, converted using an exchange rate of USD 1.00 = CHF 0.7869 on the transaction date.

How many Amrize Ltd (AMRZ) shares were bought indirectly by the CEO’s spouse?

One transaction shows 3,000 Ordinary Shares purchased with ownership classified as indirect, held “by spouse.” This means those shares are reported as indirectly owned by the CEO through his spouse, alongside other directly held Amrize shares disclosed in the filing.

Were the Amrize Ltd (AMRZ) Form 4 transactions open-market purchases?

Yes. Each transaction is coded “P” with the description purchase in open market or private transaction. The filing labels these as open-market purchases of Amrize Ordinary Shares, rather than option exercises, gifts, or tax-withholding related dispositions.

Does the Amrize Ltd (AMRZ) Form 4 show any insider sales?

No. The transaction summary lists 7 buy transactions totaling 19,001 shares and 0 sell transactions. All reported entries are purchases of Ordinary Shares, with no sales, gifts, or derivative exercises disclosed for the reported date.