CASCADE INVESTMENT, L.L.C. is an investment firm that reports beneficial ownership of shares in REPUBLIC SERVICES, INC. (RSG) and 1 other company under U.S. securities law. It has submitted 4 SEC insider filings since 2024, most recently in May 2026.
Every role CASCADE INVESTMENT, L.L.C. has reported on a Form 4, reconstructed from the filings themselves. Reporting insiders must state their relationship to the issuer (officer title, director seat, or 10% ownership) on every filing.
REPUBLIC SERVICES, INC. (RSG)7 filingsUpdated Aug 30, 2026
CASCADE INVESTMENT, L.L.C. is 10% Owner of REPUBLIC SERVICES, INC. (RSG). 11 SEC Form 4 filings on record going back to 2024, most recently on 28 August 2026. Most recent open-market trade: bought $236K of RSG on 28 August 2026. Lifetime open-market purchases: $888.61M. Historical track record: 2/5 stars across 22 tracked purchases.
Every recent SEC Form 4 transaction CASCADE INVESTMENT, L.L.C. has reported, most recent first.
InsiderAlpha computes a forward-return-based score for every insider with enough Form 4 purchase history. The metrics below reflect realized performance after each tracked open-market purchase.
| Metric | Value |
|---|---|
| InsiderAlpha rating | ★★☆☆☆ (2/5) |
| Total purchases tracked | 22 |
| Purchases with forward-return data | 22 |
| 30-day win rate | 32% |
| 90-day win rate | 95% |
| Avg 5-day return | +1.49% |
| Avg 30-day return | -0.11% |
| Avg 90-day return | +2.55% |
| Best 30-day return |
InsiderAlpha's records for CASCADE INVESTMENT, L.L.C. go back to 2024: 11 primary Form 4 filings, an average of 3.7 per year. The typical open-market purchase is $12.34M (72 buys totaling $888.61M). The largest single buy on record is $51.78M of RSG in 2026. No transaction on record carries a Rule 10b5-1 flag - the filings look discretionary rather than pre-scheduled, which makes their timing more informative as a signal.
Insiders who reported open-market trades in the last 12 months at the companies CASCADE INVESTMENT, L.L.C. files at. Multiple unrelated insiders buying the same stock within a short window, cluster buying, has historically been one of the strongest Form 4 signals.
Other corporate insiders with significant SEC Form 4 track records on InsiderAlpha:
CASCADE INVESTMENT, L.L.C. is an investment firm, tracked as 10% Owner of REPUBLIC SERVICES, INC. (RSG). InsiderAlpha holds 11 primary Form 4 filings for it, the earliest from 2024, updated as new SEC EDGAR filings are processed.
7 primary Form 4 filings in the last 90 days, covering 1 company.
Recorded transactions: 72 open-market purchases ($888.61M) and 0 open-market sales across all tracked filings.
Across 22 tracked purchases, CASCADE INVESTMENT, L.L.C. averaged -0.1% avg 30-day return with a 32% 30-day win rate. InsiderAlpha rates the track record at 2/5 stars.
All Form 4 filings, transaction values, and 10b5-1 plan flags are listed on this page and updated in real time as new SEC EDGAR filings are processed.
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$RSG REPUBLIC SERVICES, INC.236.0K shares @ $219.41$51.78M
| +7.52% |