| 2016-12-29 | Water Asset Management LLC | - | Buy | 15,000 | $12.66 | $189,900.00 | +0.5% | → |
| 2016-12-28 | Water Asset Management LLC | - | Buy | 72,200 | $11.98 | $865,304.00 | +0.8% | → |
| 2016-12-22 | Water Asset Management LLC | - | Buy | 102,614 | $11.46 | $1,175,665.03 | +1.8% | → |
| 2016-12-20 | Water Asset Management LLC | - | Buy | 73,800 | $10.93 | $806,878.00 | +1.4% | → |
| 2016-11-17 | Hickox Winston H | Director | Buy | 5,000 | $9.13 | $45,663.00 | +7.9% | → |
| 2016-11-15 | Hickox Winston H | Director | Buy | 15,000 | $8.94 | $134,145.95 | +49.2% | → |
| 2016-11-09 | Water Asset Management LLC | - | Buy | 200,000 | $8.08 | $1,616,000.00 | +8.1% | → |
| 2016-05-24 | Water Asset Management LLC | - | Buy | 23,430 | $3.11 | $72,867.30 | +1.0% | → |
| 2015-10-01 | Water Asset Management LLC | - | Buy | 7,400 | $7.55 | $55,870.00 | +0.3% | → |
| 2015-09-29 | Water Asset Management LLC | - | Buy | 7,900 | $7.39 | $58,404.00 | +0.2% | → |
| 2015-07-15 | Water Asset Management LLC | - | Buy | 30,200 | $9.41 | $284,040.00 | +0.4% | → |
| 2015-07-10 | Water Asset Management LLC | - | Buy | 30,000 | $9.44 | $283,200.00 | +0.6% | → |
| 2015-03-25 | Water Asset Management LLC | - | Sell | 7,000 | $9.98 | $69,860.00 | -0.3% | → |
| 2015-03-24 | Water Asset Management LLC | - | Sell | 15,000 | $10.03 | $150,430.00 | -0.3% | → |
| 2015-03-20 | Water Asset Management LLC | - | Sell | 14,000 | $9.83 | $137,620.00 | -0.3% | → |