Mario Gross - 11 Aug 2026 Form 4 Insider Report for Amrize Ltd (AMRZ)

Reporting relationship: Chief Supply Chain Officer
Issuer ticker: AMRZ
Reported as of: 11 Aug 2026
Net transaction value: +$166,252
SEC form: 4
Accepted by SEC: 13 Aug 2026, 11:29:51 UTC
Prior SEC filing: 21 May 2026
Source filing: View source filing
Reporting owner signature: Hans Weinburger, Attorney-in-Fact

Key filing fact

Mario Gross filed Form 4 for Amrize Ltd (AMRZ) on 13 Aug 2026.

Key facts

This page summarizes Mario Gross's Form 4 filing for Amrize Ltd (AMRZ).
2 reported transactions and 0 derivative rows are listed below.
Accepted by SEC: 13 Aug 2026, 11:29.

Change

Previous filing in this sequence was filed on 21 May 2026.
Current net transaction value: +$166,252.

Research use

This tells you what this filing adds before you inspect full transaction and derivative tables.
You can trace every row back to the original SEC filing document.

Evidence

Filed on Form 4

Ownership activity is grounded in SEC Form 4 disclosures.

View source filing

Reporting Owners (1)

CIK 0002069180 Primary reporting owner

Gross Mario

Relationship: Chief Supply Chain Officer
Address: GRAFENAUWEG 8, ZUG
Signature: Hans Weinburger, Attorney-in-Fact
Signature date: 13 Aug 2026

Reported non-derivative transactions

Shares, units, or other non-derivative securities reported in this filing.

AMRZ transaction

Ordinary Shares

Purchase

Transaction value: $149,184
Shares: +3,200
Change %: +9.2%
Price: $46.62
Shares after: 38,117
Date: 11 Aug 2026
Ownership: Direct
Footnotes: F1

AMRZ transaction

Ordinary Shares

Purchase

Transaction value: $17,068
Shares: +368
Change %: +0.97%
Price: $46.38
Shares after: 38,485
Date: 11 Aug 2026
Ownership: Direct
Footnotes: F2

^* marks a reported price that did not pass the local price check.

Additional SEC filing notes

Filing notes and footnotes

Explanation of responses 2 footnotes

Footnote F1

Includes 170 shares acquired under the Amrize Ltd 2025 Employee Stock Purchase Plan on June 30, 2026.

Footnote F2

The purchase was made in Swiss Francs at a price of CHF 37.62 per share, and such price was converted into US Dollars using the transaction date exchange rate (USD 1.00 = CHF 0.8111).