Roald Brouwer, Chief Technology Officer of Amrize Ltd (NYSE:AMRZ), filed a Form 4 on August 13, 2026, disclosing an open-market purchase of 1,500 ordinary shares on August 11, 2026.

Key Highlights

  • Reporting person: Roald Brouwer, Chief Technology Officer of Amrize Ltd
  • Transaction: Purchase (code P) of 1,500 ordinary shares on August 11, 2026
  • Price per share: $46.36, converted from CHF 37.60 using an exchange rate of USD 1.00 = CHF 0.8111 on the transaction date
  • Resulting ownership: 21,490 ordinary shares held directly following the transaction
  • Filed by: Hans Weinburger, Attorney-in-Fact, on August 13, 2026

Amrize Ltd CTO Discloses August 2026 Share Purchase

According to the Form 4 filed with the U.S. Securities and Exchange Commission, Roald Brouwer, serving as Chief Technology Officer of Amrize Ltd (NYSE:AMRZ), acquired 1,500 ordinary shares of the company on August 11, 2026. The filing records the transaction code as "P," indicating an open-market purchase. The shares were acquired directly, with Brouwer listed as the sole reporting person on the filing.

The filing discloses that the purchase was made in Swiss Francs at a price of CHF 37.60 per share. The filing notes that this price was converted into U.S. dollars using the transaction date exchange rate of USD 1.00 = CHF 0.8111, resulting in a reported per-share price of $46.36. Brouwer's address of record is listed as Grafenauweg 8, Zug, 6300, Switzerland.

Following the reported transaction, the filing states that Brouwer beneficially owns 21,490 ordinary shares on a direct basis. No derivative securities were reported in Table II of the filing. The Form 4 was signed by Hans Weinburger, Attorney-in-Fact, and submitted on August 13, 2026. No amendment date was indicated, and the filing was made by one reporting person.

What Was Disclosed

The filing reports a single open-market purchase of 1,500 ordinary shares of Amrize Ltd by its CTO, Roald Brouwer, on August 11, 2026, at a converted price of $46.36 per share, bringing his direct beneficial ownership to 21,490 shares.