Trade Summary

4 months ago, Johnston Ian A, serving as CFO at Amrize Ltd (AMRZ), purchased 10,500 shares at $47.71 per share, for a total transaction value of $500,987.00. Following this transaction, Johnston Ian A now holds 17,344 shares of AMRZ.

This purchase represents a 153.00% increase in Johnston Ian A's stake in the company. This is considered a high-conviction trade given the significant change in ownership.

The trade was executed on Friday, August 8, 2025 and publicly disclosed via SEC Form 4 filing on Monday, August 11, 2025, 3 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.