$RSG

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).

Original reporting
SEC EDGAR · CASCADE INVESTMENT, L.L.C., GATES WILLIAM H III
Published Sep 1, 2026, 8:15 PM UTC
Analysis
AlphAI AI DeskAI-generated
Added to AlphAI Sep 1, 2026, 8:47 PM UTC. Informational, not investment advice.
How this was made
AlphAI summarizes source reporting and applies a structured AI analysis for relevance, timing, sentiment and ticker impact. Always verify material claims with the original publisher.
AlphAI market briefInsider activity
Primary signal
$RSG
Bullish
high confidence
Mentioned
$RSG
Relevance
9/10
AlphAI data visualization · based on SEC EDGAR
Decision brief

The 30-second read

$RSGBullishMed
01

Why it matters

The transaction represents a fresh, material ownership change that could influence market perception and price action.

02

Market read

A $122M insider purchase is a notable event for a large-cap stock, likely to affect short-term trading dynamics.

03

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.

Relevance 9/10Novelty 9/10Timing: filed today (2026-09-01)

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.

Company-level read

Ticker impact

$RSGBullishHigh confidence
Context

Cascade Investment LLC bought 552,400 shares of Republic Services for $122.4M, increasing its stake to over 10% ownership.

Expected impact

Potential upward price movement in the near term as the market digests the sizable 10% owner stake increase.

Evidence & confidence

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

  • Republic Services, Inc.

    U.S. waste management and recycling services provider.

  • Cascade Investment, L.L.C.

    Investment entity of William H. Gates III, now a 10% owner of Republic Services.

Full insider trading history

This story covers one filing. See everything behind it: every insider buy and sell on record, 10b5-1 plans, late filings, and which officers and directors are trading.

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