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SEC EDGARSEP 141 min read$RSG

CASCADE INVESTMENT, L.L.C. (GATES WILLIAM H III) purchased $129.3M of RSG

CASCADE INVESTMENT, L.L.C. purchased 580,810 shares of REPUBLIC SERVICES, INC. (RSG) at an average of $222.63 ($221.52–$224.11, $129.31M total) across 8 trades over 2026-09-10 to 2026-09-11. Filed jointly with GATES WILLIAM H III (10% owner).

Original reporting
SEC EDGAR · CASCADE INVESTMENT, L.L.C., GATES WILLIAM H III
Published Sep 14, 2026, 10:58 PM UTC
Analysis
AlphAI AI DeskAI-generated
Added to AlphAI Sep 14, 2026, 11:05 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.
About AlphAI AI DeskScoring methodologyReport an issue
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 adds a significant stake for a major insider, which may influence market perception of the company's outlook.

02

Market read

A sizable insider purchase in a large-cap utility could prompt short-term buying interest.

03

What to watch

The purchase was made via open market trades over two days, possibly to avoid market impact; the 10b5-1 plan was not used.

Relevance 9/10Novelty 8/10Timing: filed Sep 14 2026, immediate relevance

Background

Form 4 filings disclose insider transactions; large purchases are closely watched by traders.

Company-level read

Ticker impact

$RSGBullishHigh confidence
Context

Cascade Investment LLC purchased $129.3M of Republic Services shares, increasing its stake to 117,058,444 shares.

Expected impact

Potential modest upward pressure in the next few trading sessions.

Evidence & confidence

The $129M purchase is sizable for a large-cap waste services firm and represents a 10% owner increasing holdings, which often signals bullish sentiment.

Market effects

Sector

May signal confidence in the waste management sector and could lift peers.

Regional

Limited to U.S. markets where Republic Services trades.

Global

Low global impact, primarily U.S. equity investors.

Counterpoint

What could challenge this read

Insider buying could be a defensive move ahead of potential regulatory or operational challenges.

Key entities

  • Insider Investor
    Cascade Investment, L.L.C.

    Investment vehicle of William H. Gates III, 10% owner of Republic Services.

  • Company
    Republic Services, Inc.

    U.S. waste management and recycling services provider.

Read at source← All news

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.

RSG insider trading history →

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