Transaction · 0002035989-26-000069

Poletti Samuel Jonas

Poletti Samuel Jonas, CS, M, AO, reported an open-market or private purchase at Amrize Ltd involving 2510.000000 shares for an estimated $117769.20. Reported holdings after the transaction were 10155.000000 shares. A 10b5-1 reference was not detected in the stored filing text.

Open-market buySEC transaction code PCS, M, AO
AMRZAmrize Ltd
Filing timeAug 18
Trade dateAug 17, 2026
Filing · SECView on SEC
InsiderProfile

Price performance since filing

Close on the filing date, the pre-filing context, and the forward return at standard windows
Price at filing
$44.63
Pre-filing
1mo ago +11.4%1w ago +3.7%1d ago +4.6%
Returns since
7d -1.5%30d -4.1%90d -4.1%180d -4.1%1y -4.1%

AMRZ price since this filing

30 days of pre-filing context and vertical markers at the filing date plus 7d / 30d / 90d / 180d / 1y afterwards
AMRZ since 2026-08-18Filed 16 days ago · 30 days of pre-filing context shaded
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Filing datePost-filing windows (7d, 30d, 90d, 180d, 1y)30 days of pre-filing context

Transaction facts

Stored Form 4 columns with their raw values

Non-derivative
Type
Buy
Code P
Identifier
0002035989-26-000069
Ordinary Shares
Transaction date
Aug 17, 2026
Filed Aug 18, 2026, 04:29 PM · 1d delay
Shares
2.50k sh
$4.69k per share
Estimated value
$11.7M
Computed from shares × price
Holdings after
10.1k sh
Direct

Filing signal explanations

Badges describe filing facts only — not predictions.

Cluster 14dRepeat 30dPattern $10.0MLarge $100M
Direct Ownership
+22score
Filing-only score

+22

Compact filing score computed from stored Form 4 facts. Version v1.

Positive filing signal

This filing has a modest positive filing-only score. Treat it as a useful flag for review, not as a buy signal.

Reported relationships & other filings

Form 4 relationship flags and nearby filing context

Reported roles

Chief Strategy & M&A Officer

Officer YesDirector No10% NoOther No
Footnotes & amended
  1. F1

    The purchase was made in Swiss Francs at a price of CHF 37.97 per share, and such price was converted into US Dollars using the transaction date exchange rate (USD 1.00 = CHF 0.8092).

Original filing · 0002035989-26-000069
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Same reporting owner
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AMRZ