US insider buying, 18 to 22 May 2026

103 disclosed insider purchases across 53 companies, from 63 insiders, in the US week of 18 to 22 May 2026.

103 insider buys across 53 companies

$126m of buying from 63 insiders.

4 insiders bought Similarweb Ltd. this week

$793k between them, across 4 filings.

• Beit-On Harel Moshe, Director at Similarweb Ltd. — $292k, disclosed 2026-05-21
• Eilam Barak, Director at Similarweb Ltd. — $193k, disclosed 2026-05-22
• Offer Or, CEO at Similarweb Ltd. — $179k, disclosed 2026-05-20
• Rapaport-Dagim Tamar, Director at Similarweb Ltd. — $129k, disclosed 2026-05-19

Geyer Clay Howard, COO at Black Rock Coffee Bar, Inc. bought 62% below the high

$293k into a stock that has fallen through the last 90 days.

• Geyer Clay Howard, COO at Black Rock Coffee Bar, Inc. — $293k, disclosed 2026-05-22

Cascade Investment, L.L.C., 10% owner at Republic Services, Inc. bought $31.4m

That is 171 times the size of a typical buy in this market.

• Cascade Investment, L.L.C., 10% owner at Republic Services, Inc. — $31.4m, disclosed 2026-05-18

Hill W Bryan, Director at EquipmentShare.com Inc grew their stake by 156%

A $499k purchase on top of a holding they already had.

• Hill W Bryan, Director at EquipmentShare.com Inc — $499k, disclosed 2026-05-20

Republic Services, Inc. was the name to watch

Here's why.

• Cascade Investment, L.L.C., 10% owner at Republic Services, Inc. — $31.4m, disclosed 2026-05-18

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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