Construction Machinery & Equip
Standard Industrial Classification: SIC 3531
Industry Insider Sentiment Analysis
The Construction Machinery & Equip sector (SIC 3531) 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 |
|---|---|---|---|---|---|---|---|---|---|---|
| 2020-02-06 23:20 | 2020-02-05 | CMCO | COLUMBUS MCKINNON CORP | Korman Alan S | Officer | SELL | $37.87 | 1,700 | $64,384 | 25,949 |
| 2019-12-17 18:41 | 2019-12-13 | GENC | GENCOR INDUSTRIES INC | ELLIOTT MARC G | Director, Officer | SELL | $12.30 | 24,591 | $302,425 | 445,331 |
| 2019-12-09 19:26 | 2019-12-06 | CMCO | COLUMBUS MCKINNON CORP | MCCORMICK PETER M | Officer | SELL | $41.63 | 4,361 | $181,548 | 33,750 |
| 2019-12-03 22:06 | 2019-12-02 | CMCO | COLUMBUS MCKINNON CORP | Paradowski Mark R | Officer | OPT+S | $41.06 | 1,296 | $53,214 | 17,197 |
| 2019-11-22 22:57 | 2019-11-21 | CMCO | COLUMBUS MCKINNON CORP | Wozniak Kurt F | Officer | OPT+S | $39.64 | 6,989 | $277,044 | 37,896 |
| 2019-11-22 23:11 | 2019-11-21 | CMCO | COLUMBUS MCKINNON CORP | Wozniak Kurt F | Officer | SELL | $39.64 | 6,989 | $277,044 | 35,396 |
| 2019-11-12 22:58 | 2019-11-08 | CMCO | COLUMBUS MCKINNON CORP | Korman Alan S | Officer | OPT+S | $38.97 | 5,857 | $228,247 | 25,991 |
| 2019-11-06 22:15 | 2019-11-05 | CAT | CATERPILLAR INC | Johnson Denise C | Officer | SELL | $146.68 | 5,108 | $749,256 | 0 |
| 2019-11-05 23:10 | 2019-11-01 | CAT | CATERPILLAR INC | Johnson Denise C | Officer | OPT+S | $143.01 | 68,993 | $9,866,344 | 11,687 |
| 2019-10-30 20:34 | 2019-10-29 | CAT | CATERPILLAR INC | Marvel Gary Michael | Officer | OPT+S | $139.38 | 2,180 | $303,848 | 0 |
| 2019-10-29 22:19 | 2019-10-28 | CAT | CATERPILLAR INC | Johnson Denise C | Officer | OPT+S | $140.00 | 14,777 | $2,068,780 | 11,687 |
| 2019-10-02 21:56 | 2019-09-30 | CAT | CATERPILLAR INC | Long Suzette M | Officer | SELL | $126.34 | 5,019 | $634,100 | 12,569 |
| 2019-09-13 21:38 | 2019-09-12 | PLOW | DOUGLAS DYNAMICS, INC | Janik James L | Director, Officer | SELL | $44.03 | 23,295 | $1,025,642 | 143,002 |
| 2019-09-12 23:06 | 2019-09-11 | PLOW | DOUGLAS DYNAMICS, INC | Janik James L | Director, Officer | SELL | $44.00 | 9,325 | $410,300 | 166,297 |
| 2019-09-03 20:03 | 2019-08-29 | ASTE | ASTEC INDUSTRIES INC | ANDERSON STEPHEN C | Officer | BUY | $27.75 | 2,200 | $61,048 | 5,516 |
| 2019-08-29 16:14 | 2019-08-28 | GENC | GENCOR INDUSTRIES INC | LYONS JEANNE M | Officer | SELL | $11.00 | 950 | $10,450 | 50 |
| 2019-08-23 16:15 | 2019-08-22 | ASTE | ASTEC INDUSTRIES INC | Merwe Jaco van der | Officer | BUY | $28.00 | 2,000 | $56,000 | 6,579 |
| 2019-08-14 18:56 | 2019-08-12 | CMCO | COLUMBUS MCKINNON CORP | AuYeung Benjamin | OPT+S | $34.37 | 6,853 | $235,526 | 10,531 | |
| 2019-08-12 23:25 | 2019-08-08 | PLOW | DOUGLAS DYNAMICS, INC | Janik James L | Director, Officer | SELL | $44.00 | 42,380 | $1,864,720 | 175,622 |
| 2019-08-09 20:11 | 2019-08-07 | CMCO | COLUMBUS MCKINNON CORP | AuYeung Benjamin | OPT+S | $34.73 | 22,097 | $767,429 | 10,531 | |
| 2019-06-17 17:14 | 2019-06-14 | GENC | GENCOR INDUSTRIES INC | ELLIOTT MARC G | Director, Officer | SELL | $12.66 | 366 | $4,634 | 424,922 |
| 2019-06-13 19:30 | 2019-06-11 | CMCO | COLUMBUS MCKINNON CORP | Rustowicz Gregory P | Officer | OPT+S | $38.92 | 11,942 | $464,783 | 51,158 |
| 2019-06-13 19:30 | 2019-06-11 | CMCO | COLUMBUS MCKINNON CORP | MCCORMICK PETER M | Officer | OPT+S | $38.89 | 34,375 | $1,336,761 | 38,941 |
| 2019-06-11 22:04 | 2019-06-07 | CMCO | COLUMBUS MCKINNON CORP | MCCORMICK PETER M | Officer | OPT+S | $38.75 | 11,415 | $442,298 | 59,550 |
| 2019-06-05 01:42 | 2019-06-03 | MTW | MANITOWOC CO INC | Antoniuk David J | Officer | SELL | $13.96 | 6,014 | $83,931 | 31,530 |
| 2019-05-31 19:41 | 2019-05-30 | CMCO | COLUMBUS MCKINNON CORP | MCCORMICK PETER M | Officer | SELL | $36.63 | 5,990 | $219,393 | 69,250 |
| 2019-05-09 21:39 | 2019-05-08 | ASTE | ASTEC INDUSTRIES INC | Merwe Jaco van der | Officer | BUY | $32.75 | 2,000 | $65,500 | 4,579 |
| 2019-04-02 00:07 | 2019-03-29 | MTW | MANITOWOC CO INC | Ravenscroft Aaron H. | Officer | SELL | $16.48 | 3,191 | $52,575 | 20,697 |
| 2019-04-02 00:07 | 2019-03-29 | MTW | MANITOWOC CO INC | PENNYPACKER BARRY | Officer | SELL | $16.46 | 12,388 | $203,862 | 124,474 |
| 2019-03-18 23:11 | 2019-03-15 | PLOW | DOUGLAS DYNAMICS, INC | DEJANA ANDREW | Officer | BUY | $38.13 | 6,500 | $247,845 | 10,630 |
| 2019-03-07 22:55 | 2019-03-06 | PLOW | DOUGLAS DYNAMICS, INC | Janik James L | Director, Officer | SELL | $40.63 | 14,028 | $569,951 | 218,002 |
| 2019-03-07 22:49 | 2019-03-06 | PLOW | DOUGLAS DYNAMICS, INC | DEJANA ANDREW | Officer | SELL | $40.63 | 1,035 | $42,052 | 4,130 |
| 2019-03-07 22:48 | 2019-03-06 | PLOW | DOUGLAS DYNAMICS, INC | Lauber Sarah C | Officer | SELL | $40.63 | 1,115 | $45,302 | 10,579 |
| 2019-03-07 22:45 | 2019-03-06 | PLOW | DOUGLAS DYNAMICS, INC | Sisulak Jon J | Officer | SELL | $40.63 | 517 | $21,005 | 3,874 |
| 2019-03-07 22:44 | 2019-03-06 | PLOW | DOUGLAS DYNAMICS, INC | Hagelin Keith | Officer | SELL | $40.63 | 3,154 | $128,145 | 85,377 |
| 2019-03-07 22:38 | 2019-03-06 | PLOW | DOUGLAS DYNAMICS, INC | McCormick Robert L | Officer | SELL | $40.63 | 6,687 | $271,689 | 16,988 |
| 2019-02-26 18:50 | 2019-02-22 | CMCO | COLUMBUS MCKINNON CORP | Korman Alan S | Officer | OPT+S | $37.90 | 5,168 | $195,863 | 17,049 |
| 2018-12-07 00:51 | 2018-12-06 | PLOW | DOUGLAS DYNAMICS, INC | Young Robert J | Officer | BUY | $35.00 | 1,165 | $40,775 | 28,345 |
| 2018-10-31 02:22 | 2018-10-26 | CAT | CATERPILLAR INC | De Lange Bob | Officer | BUY | $115.58 | 1,080 | $124,826 | 11,310 |
| 2018-10-04 00:49 | 2018-10-01 | CAT | CATERPILLAR INC | Johnson Denise C | Officer | OPT+S | $154.18 | 35,051 | $5,404,163 | 6,882 |
| 2018-09-05 19:41 | 2018-09-04 | PLOW | DOUGLAS DYNAMICS, INC | Janik James L | Director, Officer | SELL | $44.89 | 25,000 | $1,122,273 | 239,030 |
| 2018-08-17 21:39 | 2018-08-17 | PLOW | DOUGLAS DYNAMICS, INC | Sievert Jonathon P. | Officer | SELL | $43.30 | 1,200 | $51,960 | 9,884 |
| 2018-07-11 22:21 | 2018-07-09 | GENC | GENCOR INDUSTRIES INC | Houtkin Sherry | 10% owner | SELL | $16.33 | 2,200 | $35,926 | 1,222,928 |
| 2018-07-06 19:42 | 2018-07-05 | GENC | GENCOR INDUSTRIES INC | Houtkin Sherry | 10% owner | SELL | $16.14 | 2,500 | $40,350 | 1,225,128 |
| 2018-07-03 20:58 | 2018-07-02 | GENC | GENCOR INDUSTRIES INC | Houtkin Sherry | 10% owner | SELL | $16.17 | 1,892 | $30,594 | 1,228,128 |
| 2018-06-29 19:13 | 2018-06-27 | GENC | GENCOR INDUSTRIES INC | Houtkin Sherry | 10% owner | SELL | $16.10 | 5,205 | $83,774 | 1,230,020 |
| 2018-06-21 21:30 | 2018-06-20 | GENC | GENCOR INDUSTRIES INC | ELLIOTT MARC G | Director, Officer | SELL | $16.12 | 22,000 | $354,633 | 389,288 |
| 2018-06-19 18:05 | 2018-06-13 | GENC | GENCOR INDUSTRIES INC | LYONS JEANNE M | Officer | OPT+S | $15.63 | 6,000 | $93,802 | 1,000 |
| 2018-06-14 21:56 | 2018-06-14 | MTW | MANITOWOC CO INC | PENNYPACKER BARRY | Officer | BUY | $25.19 | 19,600 | $493,722 | 79,851 |
| 2018-06-12 22:40 | 2018-06-11 | GENC | GENCOR INDUSTRIES INC | ELLIOTT MARC G | Director, Officer | SELL | $15.65 | 13,000 | $203,450 | 411,288 |
Sector-Wide Insider Alpha
Analyzing insider movements across the Construction Machinery & Equip sector provides a macro-view of executive conviction. When multiple leaders in different companies within the same SIC code (3531) simultaneously buy shares, it often indicates an industry-wide undervaluation or a positive shift in market cycles.
SEC Filings in Construction Machinery & Equip
Every transaction in the Construction Machinery & Equip 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.