Trade Summary

8 months ago, Brouwer Roald, serving as CTO at Amrize Ltd (AMRZ), purchased 4,000 shares at $51.78 per share, for a total transaction value of $207,100.00. Following this transaction, Brouwer Roald now holds 9,000 shares of AMRZ.

This purchase represents a 80.00% increase in Brouwer Roald's stake in the company. This is considered a high-conviction trade given the significant change in ownership.

The trade was executed on Friday, October 31, 2025 and publicly disclosed via SEC Form 4 filing on Tuesday, November 4, 2025 at 12:09 PM ET, 4 days after the trade was made.

Amrize Ltd operates in the BASIC MATERIALS sector, specifically within the BUILDING MATERIALS industry. Insider buying activity in this sector can provide valuable signals about industry trends and company-specific developments.