Brouwer Roald — SEC Form 4 Insider Trading Activity

Summary

Updated Jul 16, 2026

Brouwer Roald has filed 2 SEC Form 4 filings across 1 company in the last 90 days — buying. Lifetime open-market purchases: $606K. Historical track record: 4/5 stars across 7 tracked purchases.

Track Record

InsiderAlpha computes a forward-return-based score for every insider with enough Form 4 purchase history. The metrics below reflect realised performance after each tracked open-market purchase.

InsiderAlpha rating★★★★☆ (4/5)
Total purchases tracked7
Purchases with forward-return data7
30-day win rate7143%
90-day win rate5714%
Avg 5-day return+312.60%
Avg 30-day return+795.15%
Avg 90-day return-101.03%
Best 30-day return+1552.34%

Recent Transactions

DateTickerCompanyCodeSharesPriceValue
2026-07-07AMRZAmrize LtdA — Grant or award233$45.31$11K
2026-05-21AMRZAmrize LtdP — Open-market purchase1.5K$49.84$75K
2026-03-16AMRZAmrize LtdP — Open-market purchase2.0K$54.88$110K
2026-03-11AMRZAmrize LtdP — Open-market purchase3.0K$58.72$176K
2026-03-03AMRZAmrize LtdA — Grant or award4.3K$0.00
2025-08-27AMRZAmrize LtdP — Open-market purchase2.0K$51.88$104K
2025-08-08AMRZAmrize LtdP — Open-market purchase1.0K$46.84$47K
2025-08-08AMRZAmrize LtdP — Open-market purchase218$48.07$10K
2025-08-08AMRZAmrize LtdP — Open-market purchase782$48.08$38K
2025-08-08AMRZAmrize LtdP — Open-market purchase1.0K$46.25$46K

Companies — Last 90 Days

Frequently Asked Questions

Who is Brouwer Roald?

Brouwer Roald is a corporate insider — currently tracked as Chief Technology Officer of Amrize Ltd (AMRZ). InsiderAlpha tracks every SEC Form 4 filing in real time.

How many SEC Form 4 filings has Brouwer Roald submitted recently?

2 primary Form 4 filings in the last 90 days, covering 1 company.

Has Brouwer Roald been buying or selling stock?

Recorded transactions: 8 open-market purchases ($606K) and 0 open-market sales () across all tracked filings.

How accurate is Brouwer Roald's historical track record?

Across 7 tracked purchases, Brouwer Roald averaged +795.2% avg 30-day return with a 7143% 30-day win rate. InsiderAlpha rates the track record at 4/5 stars.

Where can I see all of Brouwer Roald's SEC filings?

All Form 4 filings, transaction values, and 10b5-1 plan flags are listed on this page and updated in real time as new SEC EDGAR filings are processed.

Learn More

Open the live Brouwer Roald profile on InsiderAlpha for real-time alerts, AI-scored trade ideas, and full transaction history.