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 |
|---|---|---|---|---|---|---|---|---|---|---|
| 2026-03-23 20:15 | 2026-03-19 | QRHC | Quest Resource Holding Corp | FRIEDBERG DANIEL M. | Director, 10% owner | BUY | $0.87 | 8,500 | $7,395 | 49,085 |
| 2026-03-19 23:44 | 2026-03-18 | QRHC | Quest Resource Holding Corp | Lipstein Robert J | Director | BUY | $0.90 | 11,000 | $9,857 | 48,500 |
| 2026-03-18 21:04 | 2026-03-16 | QRHC | Quest Resource Holding Corp | Culpepper Glenn | Director | BUY | $1.16 | 5,000 | $5,800 | 61,585 |
| 2026-03-16 20:53 | 2026-03-12 | CWST | CASELLA WASTE SYSTEMS INC | Steves Sean | Officer | SELL | $88.43 | 294 | $25,998 | 9,375 |
| 2026-03-16 20:53 | 2026-03-12 | CWST | CASELLA WASTE SYSTEMS INC | Drohan Kevin | Officer | SELL | $88.43 | 140 | $12,381 | 7,873 |
| 2026-03-16 20:53 | 2026-03-12 | CWST | CASELLA WASTE SYSTEMS INC | Sayward Shelley E. | Officer | SELL | $88.25 | 491 | $43,331 | 28,369 |
| 2026-03-16 20:52 | 2026-03-16 | CWST | CASELLA WASTE SYSTEMS INC | Helgeson Bradford John | Officer | SELL | $87.73 | 405 | $35,531 | 7,342 |
| 2026-03-16 20:54 | 2026-03-12 | CWST | CASELLA WASTE SYSTEMS INC | Coletta Edmond | Officer | SELL | $88.36 | 1,365 | $120,611 | 152,618 |
| 2026-03-16 20:54 | 2026-03-12 | CWST | CASELLA WASTE SYSTEMS INC | CASELLA JOHN W | Director | SELL | $88.58 | 2,707 | $239,799 | 30,795 |
| 2026-03-10 19:43 | 2026-03-09 | WM | WASTE MANAGEMENT INC | Reed David L. | Officer | SELL | $245.26 | 75 | $18,395 | 8,495 |
| 2026-03-10 17:50 | 2026-03-09 | WM | WASTE MANAGEMENT INC | DeSantis Christopher P. | Officer | SELL | $245.50 | 61 | $14,976 | 9,393 |
| 2026-03-10 17:51 | 2026-03-09 | WM | WASTE MANAGEMENT INC | Carroll John A. | Officer | SELL | $245.30 | 47 | $11,529 | 8,983 |
| 2026-03-10 17:51 | 2026-03-09 | WM | WASTE MANAGEMENT INC | Varkey Johnson | Officer | SELL | $245.27 | 121 | $29,677 | 9,293 |
| 2026-03-10 17:51 | 2026-03-09 | WM | WASTE MANAGEMENT INC | Morris John J | Officer | OPT+S | $243.38 | 4,211 | $1,024,863 | 99,929 |
| 2026-03-09 12:10 | 2026-03-06 | WM | WASTE MANAGEMENT INC | Morris John J | Officer | SELL | $245.07 | 7,979 | $1,955,414 | 98,656 |
| 2026-03-07 00:14 | 2026-03-04 | WCN | Waste Connections, Inc. | TAN DEREK | Officer | SELL | $171.03 | 1,173 | $200,618 | 1,404 |
| 2026-03-04 20:48 | 2026-03-03 | WM | WASTE MANAGEMENT INC | Varkey Johnson | Officer | SELL | $244.13 | 617 | $150,628 | 9,607 |
| 2026-03-03 23:28 | 2026-03-02 | WM | WASTE MANAGEMENT INC | Reed David L. | Officer | SELL | $242.65 | 21 | $5,096 | 8,694 |
| 2026-03-03 22:11 | 2026-03-02 | WM | WASTE MANAGEMENT INC | Stith Kimberly G. | Officer | SELL | $243.13 | 21 | $5,106 | 4,724 |
| 2026-03-03 21:57 | 2026-03-02 | WM | WASTE MANAGEMENT INC | Hemmer Tara J. | Officer | SELL | $241.83 | 4,818 | $1,165,137 | 78,918 |
| 2026-03-03 21:57 | 2026-03-02 | WM | WASTE MANAGEMENT INC | Watson Michael J. | Officer | OPT+S | $241.81 | 17,251 | $4,171,511 | 44,146 |
| 2026-03-03 00:43 | 2026-02-27 | CWST | CASELLA WASTE SYSTEMS INC | Steves Sean | Officer | SELL | $92.89 | 1,199 | $111,375 | 9,669 |
| 2026-03-03 00:42 | 2026-02-27 | CWST | CASELLA WASTE SYSTEMS INC | Drohan Kevin | Officer | SELL | $92.61 | 675 | $62,512 | 7,462 |
| 2026-03-03 00:41 | 2026-02-27 | CWST | CASELLA WASTE SYSTEMS INC | Sayward Shelley E. | Officer | SELL | $92.91 | 1,591 | $147,820 | 27,206 |
| 2026-03-03 00:42 | 2026-02-27 | CWST | CASELLA WASTE SYSTEMS INC | CASELLA JOHN W | Director, Officer | SELL | $93.10 | 6,726 | $626,191 | 27,989 |
| 2026-03-03 00:42 | 2026-02-27 | CWST | CASELLA WASTE SYSTEMS INC | Coletta Edmond | Officer | SELL | $93.70 | 3,812 | $357,184 | 147,091 |
| 2026-02-27 19:58 | 2026-02-26 | WM | WASTE MANAGEMENT INC | Carroll John A. | Officer | SELL | $229.48 | 37 | $8,491 | 8,212 |
| 2026-02-27 19:59 | 2026-02-26 | WM | WASTE MANAGEMENT INC | Reed David L. | Officer | SELL | $229.67 | 37 | $8,498 | 8,746 |
| 2026-02-18 00:37 | 2026-02-02 | SNRG | SusGlobal Energy Corp. | Hazout Marc | Director, Officer, 10% owner | SELL | $0.03 | 500,000 | $14,550 | 41,225,742 |
| 2026-02-17 22:49 | 2026-02-17 | WM | WASTE MANAGEMENT INC | Smith Donald J | Officer | OPT+S | $233.48 | 12,194 | $2,847,055 | 6,024 |
| 2026-02-17 17:57 | 2026-02-13 | WM | WASTE MANAGEMENT INC | Carrasco Rafael | Officer | SELL | $234.50 | 7,352 | $1,724,052 | 15,540 |
| 2026-02-12 17:44 | 2026-02-11 | WM | WASTE MANAGEMENT INC | Carroll John A. | Officer | SELL | $234.71 | 1,021 | $239,634 | 8,309 |
| 2026-02-10 20:40 | 2026-02-06 | WM | WASTE MANAGEMENT INC | Fish James C Jr | Officer | SELL | $230.43 | 36,753 | $8,469,156 | 220,087 |
| 2026-02-02 20:07 | 2026-01-30 | WM | WASTE MANAGEMENT INC | Reed David L. | Officer | SELL | $218.62 | 270 | $59,028 | 8,843 |
| 2026-02-02 20:08 | 2026-01-30 | WM | WASTE MANAGEMENT INC | Stith Kimberly G. | Officer | SELL | $219.65 | 157 | $34,485 | 4,776 |
| 2026-02-02 20:06 | 2026-01-30 | WM | WASTE MANAGEMENT INC | Varkey Johnson | Officer | SELL | $219.64 | 428 | $94,004 | 10,224 |
| 2026-02-02 20:10 | 2026-01-30 | WM | WASTE MANAGEMENT INC | DeSantis Christopher P. | Officer | SELL | $218.85 | 215 | $47,053 | 9,561 |
| 2026-02-02 20:07 | 2026-01-30 | WM | WASTE MANAGEMENT INC | Carroll John A. | Officer | SELL | $219.57 | 220 | $48,306 | 9,330 |
| 2026-02-02 20:09 | 2026-01-30 | WM | WASTE MANAGEMENT INC | Smith Donald J | Officer | SELL | $219.59 | 690 | $151,514 | 13,376 |
| 2026-02-02 20:08 | 2026-01-30 | WM | WASTE MANAGEMENT INC | Carrasco Rafael | Officer | SELL | $219.01 | 690 | $151,114 | 22,892 |
| 2026-02-02 20:09 | 2026-01-30 | WM | WASTE MANAGEMENT INC | Watson Michael J. | Officer | SELL | $219.79 | 687 | $150,996 | 48,755 |
| 2026-02-02 20:09 | 2026-01-30 | WM | WASTE MANAGEMENT INC | Hemmer Tara J. | Officer | SELL | $219.71 | 690 | $151,596 | 83,736 |
| 2026-02-02 20:08 | 2026-01-30 | WM | WASTE MANAGEMENT INC | Morris John J | Officer | SELL | $219.49 | 690 | $151,445 | 106,635 |
| 2026-02-02 20:07 | 2026-01-30 | WM | WASTE MANAGEMENT INC | Boettcher Charles C | Officer | SELL | $219.32 | 689 | $151,111 | 56,159 |
| 2025-12-30 00:05 | 2025-12-23 | QRHC | Quest Resource Holding Corp | Culpepper Glenn | Director | BUY | $1.96 | 5,000 | $9,800 | 56,585 |
| 2025-12-13 00:05 | 2025-12-10 | WCN | Waste Connections, Inc. | NIELSEN III ROBERT | Officer | SELL | $167.59 | 2,000 | $335,180 | 1,250 |
| 2025-12-12 02:22 | 2025-12-09 | RSG | REPUBLIC SERVICES, INC. | Weymouth Katharine | Director | BUY | $209.46 | 478 | $100,122 | 5,740 |
| 2025-12-10 00:13 | 2025-12-08 | CWST | CASELLA WASTE SYSTEMS INC | Coletta Edmond | Officer | SELL | $100.07 | 7,000 | $700,490 | 141,093 |
| 2025-11-21 19:47 | 2025-11-20 | WM | WASTE MANAGEMENT INC | Carrasco Rafael | Officer | SELL | $217.06 | 1,380 | $299,543 | 15,540 |
| 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 |
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.