Trade Summary

3 months ago, Johnston Ian A, serving as CFO at Amrize Ltd (AMRZ), purchased 4,250 shares at $58.94 per share, for a total transaction value of $250,474.00. Following this transaction, Johnston Ian A now holds 25,110 shares of AMRZ.

This purchase represents a 20.00% 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 Tuesday, March 10, 2026 and publicly disclosed via SEC Form 4 filing on Wednesday, March 11, 2026 at 2:00 PM ET, 1 day 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.