Home / Auditor changes / Amrize Ltd
Filed 2026-02-20 路 Form 8-K 路 Accession 0002035989-26-000020 large
Price before filing: $63.13 (2026-02-19 close, split/dividend-adjusted)
Market cap at flag: $36.03B (2026-02-20) 路 Latest: $20.90B (2026-10-16)
| Window | AMRZ | SPY | vs SPY | |
|---|---|---|---|---|
| 30 days | -13.5% | -4.0% | -9.6% | 2026-03-23 |
| 90 days | -20.2% | +8.8% | -29.0% | 2026-05-21 |
| 180 days | -28.3% | +13.0% | -41.3% | 2026-08-19 |
Return from the last close before the filing date to the first close on/after the window end. Pending windows have not fully elapsed. Past performance says nothing certain about the future.
90 days before the flag: 1 insider bought $77K (2 purchases)
30 days after: 5 insiders bought $4.5M (9 purchases)
| Date | Insider | Type | Shares | Price | Value | 10b5-1 plan | Source |
|---|---|---|---|---|---|---|---|
| 2026-02-19 | Johnston Ian A Chief Financial Officer | Purchase | 995 | $63.92 | $64K | no | Form 4 |
| 2026-02-19 | Johnston Ian A Chief Financial Officer | Purchase | 205 | $63.91 | $13K | no | Form 4 |
| 2026-02-20: red flag filed | |||||||
| 2026-03-06 | Jenisch Jan Philipp Chairman & CEO, Director | Purchase | 60,000 | $58.05 | $3.5M | no | Form 4 |
| 2026-03-09 | Hill Jaime President, Building Materials | Purchase | 3,184 | $56.34 | $179K | no | Form 4 |
| 2026-03-10 | Johnston Ian A Chief Financial Officer | Purchase | 4,250 | $58.94 | $250K | no | Form 4 |
| 2026-03-11 | Brouwer Roald Chief Technology Officer | Purchase | 3,000 | $58.72 | $176K | no | Form 4 |
| 2026-03-11 | Hill Jaime President, Building Materials | Purchase | 1,000 | $58.91 | $59K | no | Form 4 |
| 2026-03-12 | Hill Jaime President, Building Materials | Purchase | 1,000 | $56.90 | $57K | no | Form 4 |
| 2026-03-13 | Brouwer Roald Chief Technology Officer | Purchase | 2,000 | $54.88 | $110K | no | Form 4 |
| 2026-03-13 | Gross Mario Chief Supply Chain Officer | Purchase | 2,000 | $55.39 | $111K | no | Form 4 |
| 2026-03-13 | Gross Mario Chief Supply Chain Officer | Purchase | 1,200 | $55.13 | $66K | no | Form 4 |
Open-market purchases and sales (Form 4 codes P and S) by officers, directors and 10% owners, by transaction date, from 2025-11-22 to 2026-03-22. Excludes option exercises, grants, gifts and tax withholding. Amended filings replace the originals; joint filings count once. Foreign private issuers do not file Form 4. Many insider sales are pre-scheduled (10b5-1 plans) and are not by themselves a sign of wrongdoing.
"On February 19, 2026, at the direction of the Audit Committee of the Board of Directors of Amrize Ltd (the "Company"), the Company engaged Ernst & Young LLP ("EY US") as the Company's independent registered public accounting firm for the year ending December 31, 2026, including performing reviews of the interim periods beginning with the period ending March 31, 2026."
Quoted from the filing. Source
The company changed its outside auditor (8-K Item 4.01). A dismissal or resignation, especially near an annual report or with reported disagreements, is a warning sign. Changes caused by audit firms merging are usually routine.
Type: routine (same audit network, new member firm)
Disagreements reported: no
New auditor: Ernst & Young LLP
Why this score: routine: moved to another member firm of the same audit network
Read the original filing on SEC.gov →
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