Quick Takeaways
- Roald Brouwer has 1 issuer position tracked on this page.
- Estimated disclosed ownership value: $1,001,944.
- Recent insider filing activity is available below.
- Info
- Insider Ownership
Insider Trading & Ownership of Roald Brouwer
- Location
- Zug
- Summary
- The estimated net worth of Roald Brouwer is at least $1,001,944 dollars as of 16 Mar 2026. Roald Brouwer is the Chief Technology Officer of Amrize Ltd and owns shares of Amrize Ltd (AMRZ) stock worth about $1M.
- Signature
- Hans Weinburger, Attorney-in-Fact
- All Insider Reports
- All Insider Reports
Follow Filing Activity
Follow Roald Brouwer and return when a new Insider Trading filing changes the record on this page.
This uses the existing product follow flow to surface future filing-backed changes without guessing what they mean.
What Changed
- Largest disclosed position: Amrize Ltd ($1,001,944).
- Past-year value change for that position: +$737,948.
Why This Matters
- This page translates Forms 3/4/5 into a quick ownership context before you inspect each transaction row.
- You can cross-check role, issuer, and filing chronology directly against the SEC source.
Source Evidence
Filed on Form 4
See Original Filing
Insider ownership context is sourced from SEC Forms 3, 4, and 5.
Ownership of Roald Brouwer
| Symbol | Company | Relationship | Holdings Value | Past Year Net Change | Change % | Report Period |
|---|---|---|---|---|---|---|
| AMRZ | Amrize Ltd | Chief Technology Officer | $1,001,944 | +$737,948 | +280% | 13 Mar 2026 |
Insider Transactions Reported by Roald Brouwer:
| Sym | Company | Class | Transaction | % | Value $ | * Price $ | Shares | Shares After | Date | Ownership |
|---|
* An asterisk sign (*) next to the price indicates that the price is likely invalid.