Refuse Systems
Standard Industrial Classification: SIC 4953
Industry Insider Sentiment Analysis
The Refuse Systems sector (SIC 4953) acts as a critical barometer for broader economic health. Our real-time monitoring reveals total transactions. Monitoring "cluster buying" is one of the most reliable leading indicators for future sector performance. By analyzing aggregate data across this specific Standard Industrial Classification, investors can filter out individual company volatility and identify high-conviction trends. When multiple directors and officers within the same industry move capital simultaneously, it often signals an upcoming sector-wide revaluation or a fundamental shift in supply chain dynamics that has yet to be recognized by the broader public market.
| Filing Date | Trade Date | Ticker | Company | Reporting Person | Relationship | Type | Price | Qty | Total, $ | Owned After |
|---|---|---|---|---|---|---|---|---|---|---|
| 2025-11-11 00:25 | 2025-11-07 | CWST | CASELLA WASTE SYSTEMS INC | Helgeson Bradford John | Officer | SELL | $87.65 | 262 | $22,964 | 4,991 |
| 2025-11-07 00:46 | 2025-11-04 | CWST | CASELLA WASTE SYSTEMS INC | Green Emily Nagle | Director | SELL | $89.38 | 1,116 | $99,748 | 5,647 |
| 2025-11-04 21:19 | 2025-11-03 | WM | WASTE MANAGEMENT INC | MENKE SEAN E | Director | BUY | $196.42 | 2,000 | $392,840 | 7,314 |
| 2025-10-30 23:21 | 2025-10-28 | WCN | Waste Connections, Inc. | GUILLET EDWARD E | Director | SELL | $174.44 | 9,000 | $1,569,928 | 14,883 |
| 2025-10-28 04:46 | 2025-10-23 | QRHC | Quest Resource Holding Corp | KITT BARRY M | 10% owner | BUY | $1.30 | 199,759 | $260,586 | 2,692,248 |
| 2025-09-04 22:56 | 2025-09-04 | WM | WASTE MANAGEMENT INC | Stith Kimberly G. | Officer | SELL | $225.20 | 100 | $22,520 | 4,089 |
| 2025-09-05 02:06 | 2025-09-02 | QRHC | Quest Resource Holding Corp | Dunning Audrey | Director | BUY | $1.82 | 4,000 | $7,296 | 52,485 |
| 2025-08-27 01:33 | 2025-08-22 | RSG | REPUBLIC SERVICES, INC. | Brummer Gregg | Officer | OPT+S | $233.94 | 7,338 | $1,716,652 | 4,060 |
| 2025-08-22 15:35 | 2025-08-20 | QRHC | Quest Resource Holding Corp | FRIEDBERG DANIEL M. | Director, 10% owner | BUY | $1.60 | 17,232 | $27,516 | 2,842,353 |
| 2025-08-21 23:15 | 2025-08-19 | RSG | REPUBLIC SERVICES, INC. | CASCADE INVESTMENT, L.L.C. | 10% owner | BUY | $234.91 | 4,258 | $1,000,245 | 109,816,832 |
| 2025-08-18 16:00 | 2025-08-14 | QRHC | Quest Resource Holding Corp | Lipstein Robert J | Director | BUY | $1.70 | 15,000 | $25,437 | 37,500 |
| 2025-08-18 23:09 | 2025-08-14 | QRHC | Quest Resource Holding Corp | Culpepper Glenn | Director | BUY | $1.68 | 5,000 | $8,395 | 51,585 |
| 2025-08-14 23:19 | 2025-08-12 | WCN | Waste Connections, Inc. | Shea Patrick James | Officer | SELL | $188.45 | 5,000 | $942,259 | 20,671 |
| 2025-08-12 23:12 | 2025-08-08 | WCN | Waste Connections, Inc. | NIELSEN III ROBERT | Officer | SELL | $190.00 | 1,000 | $190,000 | 3,250 |
| 2025-08-05 23:41 | 2025-08-04 | CWST | CASELLA WASTE SYSTEMS INC | Ligon Paul | Officer | SELL | $102.84 | 1,000 | $102,840 | 18,347 |
| 2025-07-31 23:21 | 2025-07-29 | WCN | Waste Connections, Inc. | Netherton Susan | Officer | SELL | $191.12 | 1,500 | $286,680 | 11,726 |
| 2025-06-16 23:00 | 2025-06-12 | SNRG | SusGlobal Energy Corp. | Hazout Marc | Director, Officer, 10% owner | BUY | $0.02 | 2,500,000 | $50,000 | 41,725,742 |
| 2025-06-06 00:57 | 2025-06-05 | RSG | REPUBLIC SERVICES, INC. | Carlsen Elyse | Officer | SELL | $253.17 | 235 | $59,495 | 585 |
| 2025-06-04 23:27 | 2025-06-03 | CWST | CASELLA WASTE SYSTEMS INC | Ligon Paul | Officer | SELL | $116.98 | 1,000 | $116,980 | 19,347 |
| 2025-06-02 22:26 | 2025-05-30 | WM | WASTE MANAGEMENT INC | Carrasco Rafael | Officer | OPT+S | $240.00 | 1,941 | $465,840 | 16,920 |
| 2025-05-28 23:09 | 2025-05-27 | WM | WASTE MANAGEMENT INC | Carrasco Rafael | Officer | OPT+S | $236.81 | 674 | $159,610 | 16,542 |
| 2025-05-28 23:13 | 2025-05-27 | WM | WASTE MANAGEMENT INC | Rankin Devina A | Officer | OPT+S | $237.36 | 57,888 | $13,740,429 | 83,934 |
| 2025-05-28 23:18 | 2025-05-23 | WCN | Waste Connections, Inc. | NIELSEN III ROBERT | Officer | SELL | $196.27 | 973 | $190,971 | 4,250 |
| 2025-05-16 23:04 | 2025-05-14 | SNRG | SusGlobal Energy Corp. | Hazout Marc | Director, Officer, 10% owner | BUY | $0.02 | 2,500,000 | $50,000 | 39,225,742 |
| 2025-05-09 23:00 | 2025-05-08 | CWST | CASELLA WASTE SYSTEMS INC | CASELLA JOHN W | Director, Officer | SELL | $119.87 | 18,093 | $2,168,808 | 11,416 |
| 2025-05-07 23:05 | 2025-05-06 | CWST | CASELLA WASTE SYSTEMS INC | Coletta Edmond | Officer | SELL | $119.18 | 5,562 | $662,879 | 150,093 |
| 2025-05-05 22:36 | 2025-05-02 | WM | WASTE MANAGEMENT INC | Morris John J | Officer | OPT+S | $233.32 | 23,795 | $5,551,859 | 92,098 |
| 2025-04-17 23:37 | 2025-04-16 | CWST | CASELLA WASTE SYSTEMS INC | Ligon Paul | Officer | SELL | $118.68 | 2,000 | $237,350 | 20,347 |
| 2025-03-20 23:02 | 2025-03-18 | QRHC | Quest Resource Holding Corp | FRIEDBERG DANIEL M. | Director, 10% owner | BUY | $2.95 | 12,574 | $37,098 | 2,825,121 |
| 2025-03-19 23:08 | 2025-03-18 | QRHC | Quest Resource Holding Corp | Dunning Audrey | Director | BUY | $3.04 | 2,500 | $7,600 | 18,076 |
| 2025-03-19 23:05 | 2025-03-17 | QRHC | Quest Resource Holding Corp | Moss Perry W. | Officer | BUY | $3.01 | 16,338 | $49,177 | 257,933 |
| 2025-03-19 23:02 | 2025-03-18 | QRHC | Quest Resource Holding Corp | Nolan Stephen A | Director | BUY | $2.99 | 4,000 | $11,940 | 82,176 |
| 2025-03-18 00:10 | 2025-03-17 | QRHC | Quest Resource Holding Corp | Hatch S. Ray | Director | BUY | $2.86 | 5,000 | $14,275 | 50,774 |
| 2025-03-14 23:11 | 2025-03-12 | CWST | CASELLA WASTE SYSTEMS INC | Steves Sean | Officer | SELL | $105.67 | 279 | $29,483 | 7,435 |
| 2025-03-14 23:14 | 2025-03-12 | CWST | CASELLA WASTE SYSTEMS INC | Ligon Paul | Officer | SELL | $105.73 | 182 | $19,242 | 22,347 |
| 2025-03-14 23:13 | 2025-03-12 | CWST | CASELLA WASTE SYSTEMS INC | Drohan Kevin | Officer | SELL | $105.88 | 188 | $19,906 | 5,685 |
| 2025-03-14 23:12 | 2025-03-12 | CWST | CASELLA WASTE SYSTEMS INC | Sayward Shelley E. | Officer | SELL | $105.69 | 587 | $62,040 | 24,199 |
| 2025-03-14 23:10 | 2025-03-13 | CWST | CASELLA WASTE SYSTEMS INC | Helgeson Bradford John | Officer | SELL | $103.87 | 197 | $20,462 | 5,253 |
| 2025-03-14 23:17 | 2025-03-12 | CWST | CASELLA WASTE SYSTEMS INC | Coletta Edmond | Officer | SELL | $105.11 | 6,292 | $661,355 | 155,655 |
| 2025-03-14 23:09 | 2025-03-12 | CWST | CASELLA WASTE SYSTEMS INC | CASELLA DOUGLAS R | Director, Officer | SELL | $106.00 | 696 | $73,779 | 108,748 |
| 2025-03-14 23:16 | 2025-03-12 | CWST | CASELLA WASTE SYSTEMS INC | CASELLA JOHN W | Director, Officer | SELL | $106.31 | 2,693 | $286,300 | 29,509 |
| 2025-03-12 23:14 | 2025-03-10 | WCN | Waste Connections, Inc. | CHAMBLISS DARRELL W | Officer | SELL | $188.30 | 13,566 | $2,554,478 | 95,000 |
| 2025-03-12 23:41 | 2025-03-10 | CWST | CASELLA WASTE SYSTEMS INC | CASELLA DOUGLAS R | Director, Officer | SELL | $111.94 | 5,387 | $603,028 | 107,875 |
| 2025-03-10 15:54 | 2025-03-07 | WM | WASTE MANAGEMENT INC | Carroll John A. | Officer | SELL | $225.92 | 1,251 | $282,626 | 8,420 |
| 2025-03-10 15:55 | 2025-03-07 | WM | WASTE MANAGEMENT INC | Morris John J | Officer | SELL | $224.71 | 19,153 | $4,303,896 | 85,257 |
| 2025-03-07 17:38 | 2025-03-06 | WM | WASTE MANAGEMENT INC | Carrasco Rafael | Officer | SELL | $229.03 | 928 | $212,540 | 16,398 |
| 2025-03-07 00:17 | 2025-03-04 | WCN | Waste Connections, Inc. | NIELSEN III ROBERT | Officer | SELL | $193.00 | 1,000 | $193,000 | 5,223 |
| 2025-03-07 00:16 | 2025-03-04 | WCN | Waste Connections, Inc. | LITTLE JAMES | Officer | SELL | $192.02 | 4,200 | $806,480 | 30,765 |
| 2025-03-06 02:44 | 2025-03-05 | WM | WASTE MANAGEMENT INC | Watson Michael J. | Officer | SELL | $228.11 | 1,547 | $352,886 | 44,037 |
| 2025-03-06 02:44 | 2025-03-05 | WM | WASTE MANAGEMENT INC | Hemmer Tara J. | Officer | SELL | $228.11 | 3,094 | $705,772 | 53,663 |
Sector-Wide Insider Alpha
Analyzing insider movements across the Refuse Systems sector provides a macro-view of executive conviction. When multiple leaders in different companies within the same SIC code (4953) simultaneously buy shares, it often indicates an industry-wide undervaluation or a positive shift in market cycles.
SEC Filings in Refuse Systems
Every transaction in the Refuse Systems industry is reported via Form 4 disclosures. By filtering these filings by industry, investors can detect institutional-scale sentiment shifts before they are reflected in broader market indices, following the capital flow of those with intimate industry knowledge.
UNDERSTANDING THE DATA
FILING DATE: The date and time when the transaction was reported to the SEC. This is when the public first receives the information.
TRADE DATE: The actual day the insider executed the purchase or sale in the market.
INDUSTRY: The specific market sector the company operates in. Useful for identifying broader institutional capital flows across sectors.
OWNED AFTER: The total number of shares held by the insider following the transaction. This highlights the insider's remaining conviction in the company.
CHANGE %: The percentage increase or decrease of the insider's total position. Large percentage changes often carry more weight than the dollar amount alone.
TRADE TYPES DEFINITIONS
BUY: An open market purchase. Typically indicates an insider's belief that the stock is undervalued or poised for growth.
SELL: An open market sale. While often used for diversification or liquidity, large or unexpected sales can be a warning signal.
OPT+S (OPTION EXERCISE & SALE): This occurs when an insider exercises their stock options and sells them immediately. Often part of a structured compensation plan.