Weekly Insider Trading Digest

Every week, the most notable SEC Form 4 insider buys and sells — sourced directly from SEC EDGAR. Also available as an RSS feed.

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Week of Aug 24 – Aug 28, 2026

Insider buying was led by two massive institutional moves: KC Armada LP, tied to Ernesto Bertarelli, acquired $219 million in MAIR, while Bill Gates' Cascade Investment made three separate purchases totaling roughly $339 million in RSG. On the selling side, CEO James Wirth unloaded over $1 billion in IHT, and large block sales of $590 million in ALH and $385 million combined in AVAH dominated. The activity signals continued conviction in waste management from Gates, while heavy insider liquidation in hospitality and healthcare names suggests profit-taking or repositioning in those sectors.

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