| Symbol | Company | Owner | Relationship | Date | Transaction | Cost | # Shares | Value ($) | Total Shares | Filing | |
|---|---|---|---|---|---|---|---|---|---|---|---|
| CECE | CECO ENVIRONMENTAL CORP | Lang Jeffrey | CEO and President | Dec 28, 2016 | Option Exercise | $3.78 | 10,000 | 37,800 | 156,029 | Dec 28, 2016, 05:15 PM | |
| CECE | CECO ENVIRONMENTAL CORP | Lang Jeffrey | CEO and President | Dec 28, 2016 | Sale | $14.23 | 10,000 | 142,293 | 146,029 | Dec 28, 2016, 05:15 PM | |
| CECE | CECO ENVIRONMENTAL CORP | Lang Jeffrey | CEO and President | Dec 23, 2016 | Option Exercise | $3.78 | 5,928 | 22,408 | 151,957 | Dec 28, 2016, 05:15 PM | |
| CECE | CECO ENVIRONMENTAL CORP | Lang Jeffrey | CEO and President | Dec 23, 2016 | Sale | $14.31 | 5,928 | 84,834 | 146,029 | Dec 28, 2016, 05:15 PM | |
| CECE | CECO ENVIRONMENTAL CORP | Lang Jeffrey | CEO and President | Dec 27, 2016 | Option Exercise | $3.78 | 4,072 | 15,392 | 150,101 | Dec 28, 2016, 05:15 PM | |
| CECE | CECO ENVIRONMENTAL CORP | Lang Jeffrey | CEO and President | Dec 27, 2016 | Sale | $14.30 | 4,072 | 58,230 | 146,029 | Dec 28, 2016, 05:15 PM | |
| CECE | CECO ENVIRONMENTAL CORP | Lang Jeffrey | CEO and President | Dec 22, 2016 | Option Exercise | $3.78 | 15,000 | 56,700 | 161,029 | Dec 23, 2016, 11:48 AM | |
| CECE | CECO ENVIRONMENTAL CORP | Lang Jeffrey | CEO and President | Dec 22, 2016 | Sale | $14.35 | 15,000 | 215,250 | 146,029 | Dec 23, 2016, 11:48 AM | |
| CECE | CECO ENVIRONMENTAL CORP | Lang Jeffrey | CEO and President | Dec 21, 2016 | Option Exercise | $3.78 | 25,000 | 94,500 | 171,029 | Dec 23, 2016, 11:48 AM | |
| CECE | CECO ENVIRONMENTAL CORP | Lang Jeffrey | CEO and President | Dec 21, 2016 | Sale | $14.39 | 25,000 | 359,693 | 146,029 | Dec 23, 2016, 11:48 AM | |
| CECE | CECO ENVIRONMENTAL CORP | Lang Jeffrey | CEO and President | Dec 15, 2015 | Buy | $7.20 | 13,000 | 93,600 | 128,374 | Dec 15, 2015, 01:30 PM | |
| CECE | CECO ENVIRONMENTAL CORP | Lang Jeffrey | CEO and President | Aug 10, 2015 | Buy | $9.14 | 10,000 | 91,400 | 10,000 | Aug 10, 2015, 04:48 PM | |
| CECE | CECO ENVIRONMENTAL CORP | Lang Jeffrey | CEO and President | Nov 17, 2014 | Option Exercise | $3.78 | 30,000 | 113,400 | 30,000 | Nov 18, 2014, 05:28 PM | |
| CECE | CECO ENVIRONMENTAL CORP | Lang Jeffrey | CEO and President | Nov 14, 2014 | Option Exercise | $14.53 | 20,000 | 290,542 | 0 | Nov 18, 2014, 05:28 PM | |
| CECE | CECO ENVIRONMENTAL CORP | Lang Jeffrey | CEO and President | Nov 14, 2014 | Option Exercise | $3.78 | 20,000 | 75,600 | 20,000 | Nov 18, 2014, 05:28 PM | |
| CECE | CECO ENVIRONMENTAL CORP | Lang Jeffrey | CEO and President | Nov 17, 2014 | Option Exercise | $14.16 | 30,000 | 424,905 | 0 | Nov 18, 2014, 05:28 PM | |
| CECE | CECO ENVIRONMENTAL CORP | Lang Jeffrey | CEO and President | Nov 13, 2014 | Option Exercise | $14.68 | 15,000 | 220,272 | 0 | Nov 14, 2014, 06:46 PM | |
| CECE | CECO ENVIRONMENTAL CORP | Lang Jeffrey | CEO and President | Nov 13, 2014 | Option Exercise | $3.78 | 15,000 | 56,700 | 15,000 | Nov 14, 2014, 06:46 PM | |
| CECE | CECO ENVIRONMENTAL CORP | Lang Jeffrey | CEO and President | Nov 12, 2014 | Option Exercise | $14.79 | 15,000 | 221,902 | 0 | Nov 14, 2014, 06:46 PM | |
| CECE | CECO ENVIRONMENTAL CORP | Lang Jeffrey | CEO and President | Nov 12, 2014 | Option Exercise | $3.78 | 15,000 | 56,700 | 15,000 | Nov 14, 2014, 06:46 PM | |
| CECE | CECO ENVIRONMENTAL CORP | Lang Jeffrey | CEO and President | Sep 04, 2013 | Option Exercise | $13.14 | 180,000 | 2,365,200 | 0 | Sep 06, 2013, 04:06 PM | |
| CECE | CECO ENVIRONMENTAL CORP | Lang Jeffrey | CEO and President | Sep 04, 2013 | Option Exercise | $3.78 | 180,000 | 680,400 | 180,000 | Sep 06, 2013, 04:06 PM | |
| CECE | CECO ENVIRONMENTAL CORP | Lang Jeffrey | Chief Executive Officer | Sep 14, 2010 | Buy | $5.85 | 4,900 | 28,665 | 4,900 | Sep 16, 2010, 05:13 PM |
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