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AMRZ - Amrize Ltd

Insider Purchase by Brouwer Roald (CTO)

6 Months
After Trade
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Trade Summary

3 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, 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.

Brouwer Roald

CTO

Roald Brouwer is the Chief Technology Officer (CTO) of Amrize Ltd (AMRZ), a North American building materials company spun off from Holcim in 2025.[[2]](https://www.holcim.com/media/media-releases/holcim-appoints-amrize-designated-executive-officers)[[5]](https://impactclimate.mit.edu/people/nollaig-forrest/)[[7]](https://www.quarrymagazine.com/executive-leadership-team-named-for-amrize/) In this role, he oversees technology strategy, bringing expertise in decarbonization and energy transition.[[2]](https://www.holcim.com/media/media-releases/holcim-appoints-amrize-designated-executive-officers) Brouwer previously served as Holcim’s Senior Vice President and Group Head of Decarbonization from 2022 to 2025, and before that, held key positions at Shell plc from 2014 to 2022, including Director of Energy Transition Technologies, Global Technology Deployment Consultant, Team Lead for the Carmon Creek Field Development Project, and Reservoir Engineering Advisory for Heavy Oil.[[2]](https://www.holcim.com/media/media-releases/holcim-appoints-amrize-designated-executive-officers)[[5]](https://impactclimate.mit.edu/people/nollaig-forrest/) He holds a Master of Science in Geochemistry from Utrecht University and a PhD in Petroleum Engineering from Delft University of Technology.[[5]](https://impactclimate.mit.edu/people/nollaig-forrest/) As a corporate insider, Brouwer has demonstrated confidence in Amrize through multiple stock purchases, including 4,000 shares on October 31, 2025, at prices around $51.76-$51.78 (totaling approximately $207,100), 2,000 shares on August 27, 2025, at $51.88, and additional shares in early August 2025.[[1]](https://www.ainvest.com/news/amrize-cto-brouwer-roald-buys-4000-shares-51-78-51-76-2025-10-31-2511/)[[3]](https://www.tipranks.com/news/insider-trading/cto-makes-bold-move-with-major-stock-purchase-in-amrize-ltd-insider-trading)[[6]](https://www.tradingview.com/news/tradingview:b1f8050673831:0-amrize-ltd-cto-brouwer-roald-acquires-2-000-shares/)[[9]](https://nl.investing.com/news/insider-trading-news/cto-brouwer-van-amrize-ltd-koopt-aandelen-ter-waarde-van--141000-93CH-566802)

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Trade Price

$51.78

Quantity

4,000

Total Value

$207,100.00

Shares Owned

9,000

Trade Date

Friday, October 31, 2025

114 days ago

SEC Filing Date

Tuesday, November 4, 2025

Filed 4 days after trade

BASIC MATERIALSBUILDING MATERIALS

About Amrize Ltd

Company Overview

No company information available
View news mentioning AMRZ

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