CASCADE INVESTMENT, L.L.C. (GATES WILLIAM H III) purchased $122.4M of RSG
CASCADE INVESTMENT, L.L.C. purchased 552,400 shares of REPUBLIC SERVICES, INC. (RSG) at an average of $221.52 ($220.29–$224.02, $122.37M total) across 7 trades over 2026-08-28 to 2026-08-31. Filed jointly with GATES WILLIAM H III (10% owner).
How this was made
The 30-second read
Why it matters
The transaction represents a fresh, material ownership change that could influence market perception and price action.
Market read
A $122M insider purchase is a notable event for a large-cap stock, likely to affect short-term trading dynamics.
What to watch
The purchase was made via open-market trades over several days, possibly to avoid market impact; the lack of a 10b5-1 plan suggests discretionary intent.
Background
SEC Form 4 filing discloses a major insider purchase by Cascade Investment, a vehicle of William H. Gates III, increasing its stake in Republic Services.
Ticker impact
Cascade Investment LLC bought 552,400 shares of Republic Services for $122.4M, increasing its stake to over 10% ownership.
Potential upward price movement in the near term as the market digests the sizable 10% owner stake increase.
The $122M purchase is a material transaction for a large-cap waste services firm, representing a significant ownership change and likely to influence investor sentiment.
Market effects
May signal confidence in the waste management sector and could lift peers such as Waste Management (WM).
Limited to U.S. markets where Republic Services trades.
Low; impact confined to U.S. waste services industry.
Counterpoint
Insider buying could be a defensive move ahead of potential regulatory or operational challenges.
Key entities
- CompanyRepublic Services, Inc.
U.S. waste management and recycling services provider.
- Investment VehicleCascade Investment, L.L.C.
Investment entity of William H. Gates III, now a 10% owner of Republic Services.

