US insider buying, 10 to 14 August 2026

109 disclosed insider purchases across 66 companies, from 86 insiders, in the US week of 10 to 14 August 2026.

109 insider buys across 66 companies

$153m of buying from 86 insiders.

5 insiders bought Amrize Ltd this week

$822k between them, across 6 filings.

• Clark Stephen S, Chief People Officer at Amrize Ltd — $249k, disclosed 2026-08-13
• Hill Jaime, President at Amrize Ltd — $71k, disclosed 2026-08-13
• Gross Mario, Chief Supply Chain Officer at Amrize Ltd — $149k, disclosed 2026-08-13
• Brouwer Roald, Chief Technology Officer at Amrize Ltd — $70k, disclosed 2026-08-13
• Oran Baris, CFO at Amrize Ltd — $141k, disclosed 2026-08-13
• Oran Baris, CFO at Amrize Ltd — $142k, disclosed 2026-08-13

Potter Michael G, CFO at Bitdeer Technologies Group bought 54% below the high

$226k into a stock that has fallen through the last 90 days.

• Potter Michael G, CFO at Bitdeer Technologies Group — $226k, disclosed 2026-08-13

Cascade Investment, L.L.C., 10% owner at Republic Services, Inc. bought $45.8m

That is 266 times the size of a typical buy in this market.

• Cascade Investment, L.L.C., 10% owner at Republic Services, Inc. — $45.8m, disclosed 2026-08-12

Dinur Arnon, Director at Via Transportation, Inc. grew their stake by 392%

A $890k purchase on top of a holding they already had.

• Dinur Arnon, Director at Via Transportation, Inc. — $890k, disclosed 2026-08-12

Republic Services, Inc. was the name to watch

Here's why.

• Cascade Investment, L.L.C., 10% owner at Republic Services, Inc. — $45.8m, disclosed 2026-08-12

Totals cover disclosed open-market purchases in the US market for this week only. Values are as filed. Nothing here is advice.

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