A 10% owner spending $219M over one week to accumulate shares is a material signal of confidence at current prices. Given the prior cluster (Aug 13-17) adds another ~$117M, the combined ~$336M buying from this insider in two weeks is unusually aggressive. Monitor for a potential value-unlocking catalyst (share repurchase acceleration, M&A, or strategic shift) that a control holder might be anticipating. If RSG pulls back 2-3% without new negative news, this buying floor could provide support.
Price Chart
Executive Summary
CASCADE INVESTMENT, L.L.C., a 10% owner and likely control entity, purchased approximately $218.67 million of RSG common stock over a 7-day window in multiple open-market transactions. This is a massive conviction buy from an insider with a control stake, representing roughly 0.33% of the $65.9B market cap — falling into the 'modest' proportionality band but amplified by the insider's strategic position and the concentrated buying pattern.
Key Financial Metrics
Key Facts
- CASCADE INVESTMENT, L.L.C., a 10% owner, purchased ~$218.67M of RSG stock between August 7 and August 14, 2026.
- All transactions were open-market purchases (Form 4 code P) — no 10b5-1 plan indicated, no non-cash exercises.
- Cluster spanned 21 distinct trades across 5 trading days, all buys, averaging ~$10.4M per trade.
- Total buy value is approximately 0.33% of RSG's $65.9B market cap — modest in percentage terms but enormous in absolute dollars.
- The same insider also filed cluster buys on Aug 13-17 totaling ~$117M, extending the pattern.
- Prior insider reports on RSG have had a 14% win rate over T+20 with an average alpha of -2.21% — the model has historically been bearish-neutral where the stock then lagged, but a genuine conviction buy from a control insider at this scale is a different event class.
- RSG has 33 analysts with 58% bullish rating (7 Strong Buy, 12 Buy, 14 Hold).
Financial Impact
Total insider purchase of approximately $218.67 million, representing ~0.33% of market cap
Risk Factors
- Prior RSG insider cluster reports have underperformed SPY by an average of -2.21% at T+20, suggesting the stock may not react strongly to insider buying patterns.
- As a 10% owner, Cascade Investment may be subject to Rule 144 volume restrictions that cap future selling — this could be balance-sheet repositioning rather than fundamental conviction.
- At 0.33% of market cap, the proportional impact is modest despite the large absolute dollar amount.
Market Snapshot
Investment Themes
Documents Analyzed
This report is based on 1 SEC document filed with EDGAR.
| Document | Accession Number |
|---|---|
| INSIDER-BUY Data (Synthetic) | 0001104659-26-098392 |
Filters
| Type | Now | ||||
|---|---|---|---|---|---|
Sep 14, 2026 17d ago | Insider Buy | $223.04 $213.88 | ▼ −4.11% | ▼ −6.23% | $207.51 (−6.96%) |
Sep 10, 2026 22d ago | Insider Buy | $221.08 $218.93 | ▼ −0.97% | ▼ −0.47% | $207.51 (−6.14%) |
Sep 3, 2026 29d ago | Insider Buy | $225.12 $222.74 | ▼ −1.06% | ▲ +0.09% | $207.51 (−7.82%) |
Sep 1, 2026 4w ago | Insider Buy | $223.29 $222.47 | ▼ −0.37% | ▼ −0.45% | $207.51 (−7.07%) |
Aug 28, 2026 4w ago | Insider Buy | $220.92 $221.63 | ▲ +0.32% | ▲ +0.46% | $207.51 (−6.07%) |
Aug 24, 2026 5w ago | Insider Buy | $223.08 $220.92 | ▼ −0.97% | ▼ −1.44% | $207.51 (−6.98%) |
Aug 20, 2026 6w ago | Insider Buy | $219.50 $219.27 | ▼ −0.10% | ▼ −1.22% | $207.51 (−5.46%) |
Aug 18, 2026 6w ago | Insider Buy | $216.97 $220.96 | ▲ +1.84% | ▲ +2.04% | $207.51 (−4.36%) |
Aug 14, 2026 6w ago | Insider Buy | $215.26 $223.08 | ▲ +3.63% | ▲ +4.82% | $207.51 (−3.60%) |
Aug 12, 2026 7w ago | Insider Buy | $214.26 $221.04 | ▲ +3.16% | ▲ +3.61% | $207.51 (−3.15%) |
US Market Status
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