Stephen S. Clark, Chief People Officer of Amrize Ltd (NYSE:AMRZ), filed a Form 4 on August 13, 2026, disclosing the open-market purchase of 5,260 ordinary shares on August 11, 2026.

Key Highlights

  • Reporting person: Clark, Stephen S., Chief People Officer of Amrize Ltd
  • Transaction: Purchase (code P) of 5,260 ordinary shares on August 11, 2026
  • Price paid: $47.31 per share
  • Post-transaction holdings: 10,637 ordinary shares held directly following the reported transaction
  • ESPP shares included: The post-transaction total includes 117 shares acquired under the Amrize Ltd 2025 Employee Stock Purchase Plan on June 30, 2026
  • Filing signed by: Hans Weinburger, Attorney-in-Fact, on August 13, 2026

Clark's Purchase of Amrize Ordinary Shares: Transaction Details

According to the Form 4 filed with the U.S. Securities and Exchange Commission, Stephen S. Clark, who serves as Chief People Officer of Amrize Ltd and is listed with an address in Zug, Switzerland, acquired 5,260 ordinary shares of Amrize Ltd on August 11, 2026. The transaction was coded "P," indicating an open-market purchase, at a price of $47.31 per share. The filing identifies the security as ordinary shares of the issuer, traded on NYSE under the symbol AMRZ.

Following the reported purchase, the filing disclosed that Clark directly holds 10,637 ordinary shares in total. The filing includes a footnote stating that this total includes 117 shares acquired under the Amrize Ltd 2025 Employee Stock Purchase Plan on June 30, 2026. No derivative securities transactions were reported in Table II of the filing.

The Form 4 was filed by one reporting person and signed by Hans Weinburger as Attorney-in-Fact on August 13, 2026, which is also the date of earliest transaction listed as August 11, 2026. The filing is not marked as an amendment and does not indicate that the transaction was made pursuant to a Rule 10b5-1 plan.

What Was Disclosed

The filing disclosed an open-market purchase of 5,260 ordinary shares of Amrize Ltd by Chief People Officer Stephen S. Clark at $47.31 per share on August 11, 2026, resulting in total direct holdings of 10,637 ordinary shares.