| Exec date | Filing date | Company | Role | Signal | Confidence | Shares | % of shares | Under plan? | Amount (USD) |
|---|---|---|---|---|---|---|---|---|---|
| Jan 12, 2011 | May 31, 2011 | CECO ENVIRONMENTAL CORP | 10% Owner | Buy | 82.5 | +22,907 | 1.06% | ✗ | $133.5K |
| May 1, 2009 | May 31, 2011 | CECO ENVIRONMENTAL CORP | 10% Owner | Sell | 20.0 | -91,665 | -4.96% | ✗ | $414.2K |
| Mar 3, 2010 | May 31, 2011 | CECO ENVIRONMENTAL CORP | 10% Owner | Buy | 100.0 | +217,287 | 11.15% | ✗ | $1M |
| Jan 4, 2010 | May 31, 2011 | CECO ENVIRONMENTAL CORP | 10% Owner | Buy | 92.5 | +135,056 | 7.45% | ✗ | $508.8K |
| Oct 9, 2009 | May 31, 2011 | CECO ENVIRONMENTAL CORP | 10% Owner | Buy | 87.5 | +58,513 | 3.33% | ✗ | $203.8K |
| Oct 9, 2009 | May 31, 2011 | CECO ENVIRONMENTAL CORP | 10% Owner | Buy | 87.5 | +58,513 | 3.33% | ✗ | $203.8K |
| Mar 20, 2008 | May 31, 2011 | CECO ENVIRONMENTAL CORP | 10% Owner | Buy | 100.0 | +624,098 | 66.35% | ✗ | $1.8M |
| Feb 20, 2009 | May 31, 2011 | CECO ENVIRONMENTAL CORP | 10% Owner | Buy | 97.5 | +281,944 | 18.02% | ✗ | $655K |