Industrial & Commercial Fans & Blowers & Air Purifing Equip
Standard Industrial Classification: SIC 3564
Industry Insider Sentiment Analysis
The Industrial & Commercial Fans & Blowers & Air Purifing Equip sector (SIC 3564) 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 |
|---|---|---|---|---|---|---|---|---|---|---|
| 2015-12-04 23:48 | 2015-12-02 | DCI | DONALDSON Co INC | Ward Jay L | Officer | OPT+S | $30.07 | 1,174 | $35,302 | 75,515 |
| 2015-12-01 22:56 | 2015-11-30 | DCI | DONALDSON Co INC | MILLER PAUL DAVID | Director | OPT+S | $31.25 | 14,400 | $450,000 | 33,771 |
| 2015-12-01 21:05 | 2015-11-30 | DCI | DONALDSON Co INC | HOFFMAN MICHAEL J | Director | OPT+S | $31.64 | 14,400 | $455,616 | 25,427 |
| 2015-12-01 05:35 | 2015-11-25 | CECE | CECO ENVIRONMENTAL CORP | Cape Arthur | Director | OPT+S | $8.54 | 6,000 | $51,240 | 21,376 |
| 2015-09-21 21:07 | 2015-09-18 | DCI | DONALDSON Co INC | WIEHOFF JOHN | Director | OPT+S | $30.04 | 14,400 | $432,576 | 38,991 |
| 2015-08-14 21:49 | 2015-08-13 | CECE | CECO ENVIRONMENTAL CORP | RUDIN SETH | Director | BUY | $10.00 | 1,000 | $10,000 | 1,000 |
| 2015-08-14 16:02 | 2015-08-13 | CECE | CECO ENVIRONMENTAL CORP | GOLDBERG ERIC MICHAEL | Director | BUY | $10.05 | 3,000 | $30,150 | 3,000 |
| 2015-08-11 22:47 | 2015-08-10 | CECE | CECO ENVIRONMENTAL CORP | WRIGHT DONALD | Director | BUY | $9.30 | 5,000 | $46,500 | 65,400 |
| 2015-08-11 00:44 | 2015-08-10 | CECE | CECO ENVIRONMENTAL CORP | ICARUS INVESTMENT CORP | 10% owner | BUY | $8.95 | 70,340 | $629,543 | 2,609,906 |
| 2015-08-10 23:48 | 2015-08-10 | CECE | CECO ENVIRONMENTAL CORP | Lang Jeffrey | Director, Officer | BUY | $9.14 | 10,000 | $91,400 | 10,000 |
| 2015-08-11 00:06 | 2015-08-10 | CECE | CECO ENVIRONMENTAL CORP | Pollack Jonathan | Director | BUY | $9.19 | 5,000 | $45,950 | 42,500 |
| 2015-03-27 23:00 | 2015-03-27 | DCI | DONALDSON Co INC | SCALF THOMAS R | Officer | SELL | $37.09 | 700 | $25,963 | 6,393 |
| 2015-03-23 22:59 | 2015-03-20 | DCI | DONALDSON Co INC | Perushek Mary Lynne | Officer | SELL | $38.31 | 2,000 | $76,620 | 32,122 |
| 2015-01-07 19:08 | 2015-01-06 | DCI | DONALDSON Co INC | Joppa Sandra N | Officer | OPT+S | $36.91 | 6,976 | $257,484 | 67,086 |
| 2015-01-06 23:39 | 2015-01-05 | DCI | DONALDSON Co INC | OBERTON WILLARD D | Director | OPT+S | $37.40 | 7,000 | $261,800 | 12,304 |
| 2014-12-31 00:35 | 2014-12-29 | FTEK | FUEL TECH, INC. | BAILEY DOUGLAS G | Director, Officer | BUY | $3.69 | 30,000 | $110,733 | 1,784,838 |
| 2014-12-30 01:09 | 2014-12-16 | MFRI | Perma-Pipe International Holdings, Inc. | ELGENDY FATI A | Officer | BUY | $60,002.00 | 10,000 | $600,020,000 | 50,550 |
| 2014-12-19 22:40 | 2014-12-18 | DCI | DONALDSON Co INC | Becker Amy C | Officer | OPT+S | $38.00 | 1,213 | $46,094 | 11,725 |
| 2014-12-19 23:08 | 2014-12-19 | DCI | DONALDSON Co INC | Vermeersch Wim | Officer | OPT+S | $38.25 | 601 | $22,988 | 10,632 |
| 2014-12-15 22:13 | 2014-12-12 | MFRI | Perma-Pipe International Holdings, Inc. | Bosch Wayne | Officer | BUY | $6.75 | 4,443 | $29,990 | 10,164 |
| 2014-12-15 22:47 | 2014-12-12 | MFRI | Perma-Pipe International Holdings, Inc. | SCHMIDT KARL J | Officer | BUY | $6.48 | 2,250 | $14,571 | 30,849 |
| 2014-09-30 23:32 | 2014-09-26 | FTEK | FUEL TECH, INC. | Puissant Robert E | Officer | SELL | $4.26 | 4,000 | $17,040 | 0 |
| 2014-09-25 17:04 | 2014-09-24 | FTEK | FUEL TECH, INC. | BAILEY DOUGLAS G | Director, Officer | BUY | $4.23 | 6,800 | $28,733 | 1,754,838 |
| 2014-09-24 21:19 | 2014-09-23 | FTEK | FUEL TECH, INC. | BAILEY DOUGLAS G | Director, Officer | BUY | $4.22 | 19,600 | $82,732 | 1,748,038 |
| 2014-09-23 22:40 | 2014-09-22 | FTEK | FUEL TECH, INC. | BAILEY DOUGLAS G | Director, Officer | BUY | $4.23 | 34,000 | $143,752 | 1,728,438 |
| 2014-03-31 23:20 | 2014-03-31 | DCI | DONALDSON Co INC | Ward Jay L | Officer | OPT+S | $42.10 | 2,389 | $100,577 | 74,739 |
| 2014-03-31 23:21 | 2014-03-31 | DCI | DONALDSON Co INC | Perushek Mary Lynne | Officer | SELL | $42.24 | 1,430 | $60,403 | 33,819 |
| 2014-03-13 00:12 | 2014-03-10 | DCI | DONALDSON Co INC | Joppa Sandra N | Officer | OPT+S | $42.77 | 7,008 | $299,732 | 68,201 |
| 2014-03-10 23:13 | 2014-03-10 | DCI | DONALDSON Co INC | Joppa Sandra N | Officer | OPT+S | $42.77 | 7,008 | $299,732 | 74,861 |
| 2014-01-09 04:55 | 2014-01-07 | CECE | CECO ENVIRONMENTAL CORP | Prajzner Edward J | Officer | SELL | $16.25 | 502 | $8,158 | 0 |
| 2014-01-09 04:45 | 2014-01-07 | CECE | CECO ENVIRONMENTAL CORP | Murphy Neal E | Officer | SELL | $16.25 | 125 | $2,031 | 0 |
| 2013-12-06 23:49 | 2013-12-06 | DCI | DONALDSON Co INC | Joppa Sandra N | Officer | OPT+S | $42.11 | 2,122 | $89,357 | 67,895 |
| 2013-11-27 17:00 | 2013-11-25 | DCI | DONALDSON Co INC | Perushek Mary Lynne | Officer | OPT+S | $41.75 | 1,201 | $50,142 | 35,197 |
| 2013-10-31 21:38 | 2013-10-29 | CECE | CECO ENVIRONMENTAL CORP | Harvey Sandler Revocable Trust | 10% owner | SELL | $18.23 | 30,000 | $546,780 | 1,961,903 |
| 2013-10-02 23:35 | 2013-10-02 | DCI | DONALDSON Co INC | DOLAN JANET M | Director | OPT+S | $0.00 | 975 | $0 | 115,468 |
| 2013-09-16 23:47 | 2013-09-16 | DCI | DONALDSON Co INC | Carpenter Tod E. | Officer | OPT+S | $38.57 | 1,996 | $76,986 | 57,964 |
| 2013-09-13 23:13 | 2013-09-13 | DCI | DONALDSON Co INC | Ward Jay L | Officer | OPT+S | $38.06 | 2,600 | $98,956 | 53,481 |
| 2013-09-10 20:14 | 2013-09-09 | DCI | DONALDSON Co INC | MCMURRAY CHARLES J | Officer | OPT+S | $36.85 | 507 | $18,683 | 139,788 |
| 2013-06-17 20:10 | 2013-06-14 | DCI | DONALDSON Co INC | MILLER PAUL DAVID | Director | OPT+S | $36.47 | 14,400 | $525,168 | 29,252 |
| 2013-05-17 15:44 | 2013-05-15 | FTEK | FUEL TECH, INC. | BAILEY DOUGLAS G | Director, Officer | BUY | $3.66 | 40,000 | $146,540 | 1,560,592 |
| 2013-04-10 20:03 | 2013-04-09 | DCI | DONALDSON Co INC | Perushek Mary Lynne | Officer | SELL | $35.08 | 2,944 | $103,276 | 24,200 |
| 2013-03-14 17:27 | 2013-03-13 | DCI | DONALDSON Co INC | Vermeersch Wim | Officer | OPT+S | $36.70 | 1,329 | $48,774 | 9,733 |
| 2012-12-03 21:44 | 2012-11-30 | DCI | DONALDSON Co INC | Shaw James F | Officer | OPT+S | $33.40 | 1,610 | $53,774 | 7,685 |
| 2012-11-29 00:51 | 2012-11-28 | DCI | DONALDSON Co INC | Vermeersch Wim | Officer | OPT+S | $32.96 | 544 | $17,930 | 7,862 |
| 2012-11-29 00:50 | 2012-11-27 | DCI | DONALDSON Co INC | WIEHOFF JOHN | Director | OPT+S | $33.45 | 28,800 | $963,360 | 30,922 |
| 2012-09-20 19:47 | 2012-09-19 | DCI | DONALDSON Co INC | GRUNDHOFER JOHN F | Director | SELL | $36.23 | 11,000 | $398,530 | 3,500 |
| 2012-09-06 23:43 | 2012-09-05 | DCI | DONALDSON Co INC | Ward Jay L | Officer | OPT+S | $35.64 | 9,600 | $342,144 | 48,012 |
| 2012-08-30 17:57 | 2012-08-29 | DCI | DONALDSON Co INC | EUGSTER JACK W | Director | OPT+S | $35.30 | 13,128 | $463,418 | 118,357 |
| 2012-08-30 18:32 | 2012-08-29 | DCI | DONALDSON Co INC | MILLER PAUL DAVID | Director | OPT+S | $35.09 | 14,400 | $505,296 | 27,422 |
| 2012-06-27 21:12 | 2012-06-25 | DCI | DONALDSON Co INC | Vermeersch Wim | Officer | BUY | $32.10 | 2,000 | $64,200 | 6,406 |
Sector-Wide Insider Alpha
Analyzing insider movements across the Industrial & Commercial Fans & Blowers & Air Purifing Equip sector provides a macro-view of executive conviction. When multiple leaders in different companies within the same SIC code (3564) simultaneously buy shares, it often indicates an industry-wide undervaluation or a positive shift in market cycles.
SEC Filings in Industrial & Commercial Fans & Blowers & Air Purifing Equip
Every transaction in the Industrial & Commercial Fans & Blowers & Air Purifing 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.