| 2018-04-17 | HOGAN RANDALL J | Chairman & Chief Exec. Officer | Sale+OE | 50,000 | $71.00 | $3,550,000.00 | -60.2% | → |
| 2018-01-03 | Stauch John L | Executive Vice President, CFO | Sell | 2,392 | $70.30 | $168,165.97 | -9.5% | → |
| 2017-11-27 | GARDEN EDWARD P | Director | Buy | 9,966 | $69.22 | $689,819.61 | - | → |
| 2017-11-21 | Frykman Karl R. | President Aquatic Systems | Sale+OE | 7,385 | $70.00 | $516,950.00 | -18.1% | → |
| 2017-11-20 | GARDEN EDWARD P | Director | Buy | 384,571 | $68.41 | $26,307,395.20 | +0.8% | → |
| 2017-11-16 | GARDEN EDWARD P | Director | Sell | 183,661 | $67.60 | $12,415,476.69 | -0.6% | → |
| 2017-11-01 | MONAHAN WILLIAM T | - | Sale+OE | 10,000 | $70.27 | $702,721.00 | -19.7% | → |
| 2017-11-01 | Frykman Karl R. | President Aquatic Systems | Sale+OE | 11,386 | $70.24 | $799,765.11 | -14.6% | → |
| 2017-09-28 | MERRIMAN RONALD | - | Sale+OE | 5,200 | $67.00 | $348,400.00 | -24.1% | → |
| 2017-05-26 | HOGAN RANDALL J | Chairman & Chief Exec. Officer | Sale+OE | 220,000 | $66.03 | $14,525,896.00 | -99.1% | → |
| 2017-05-22 | JONES DAVID A /WI | - | Sale+OE | 10,000 | $67.68 | $676,752.00 | -48.1% | → |
| 2017-05-19 | BORIN MARK C | Chief Acctg Office-Controller | Sell | 7,500 | $67.11 | $503,325.00 | -30.8% | → |
| 2017-05-17 | GARDEN EDWARD P | Director | Buy | 863,000 | $65.25 | $56,308,375.93 | +1.2% | → |
| 2017-04-26 | JILEK ANGELA D. | Sr. VP, Gen. Counsel & Secy. | Sale+OE | 1,367 | $65.00 | $88,855.00 | -4.1% | → |
| 2017-04-26 | HOGAN RANDALL J | Chairman & Chief Exec. Officer | Sale+OE | 110,325 | $65.00 | $7,171,125.00 | -55.7% | → |
| 2017-04-26 | GLENN T MICHAEL | - | Sale+OE | 7,161 | $65.00 | $465,465.00 | -30.7% | → |
| 2017-04-26 | BURRIS JERRY W | - | Sale+OE | 10,588 | $65.00 | $688,220.00 | -19.8% | → |
| 2017-04-26 | BRYAN GLYNIS | - | Sale+OE | 10,000 | $65.06 | $650,600.00 | -36.6% | → |
| 2017-03-10 | MERRIMAN RONALD | - | Sale+OE | 10,000 | $60.00 | $600,000.00 | -38.0% | → |
| 2017-01-04 | MERRIMAN RONALD | - | Sale+OE | 10,000 | $57.87 | $578,700.00 | -38.0% | → |
| 2016-09-02 | GLENN T MICHAEL | - | Sale+OE | 10,000 | $62.61 | $626,100.00 | -44.4% | → |
| 2016-08-23 | Stauch John L | Executive Vice President, CFO | Sale+OE | 112,500 | $65.30 | $7,346,182.50 | -82.6% | → |
| 2016-08-23 | BORIN MARK C | Chief Acctg Office-Controller | Sale+OE | 13,326 | $65.19 | $868,763.25 | -41.4% | → |
| 2016-08-11 | MONAHAN WILLIAM T | - | Sale+OE | 10,000 | $65.00 | $650,000.00 | -20.1% | → |
| 2016-08-11 | JONES DAVID A /WI | - | Sale+OE | 10,000 | $65.00 | $650,000.00 | -50.0% | → |
| 2016-08-11 | BRYAN GLYNIS | - | Sale+OE | 10,000 | $65.00 | $650,000.00 | -37.8% | → |
| 2016-07-28 | HOGAN RANDALL J | Chairman & Chief Exec. Officer | Sale+OE | 102,282 | $64.00 | $6,546,048.00 | -97.5% | → |
| 2016-07-15 | HOGAN RANDALL J | Chairman & Chief Exec. Officer | Sale+OE | 3,200 | $64.00 | $204,804.06 | -37.9% | → |
| 2016-06-07 | HOGAN RANDALL J | Chairman & Chief Exec. Officer | Sale+OE | 210,966 | $60.71 | $12,808,125.60 | -97.6% | → |
| 2016-04-27 | Frykman Karl R. | President Aquatic Systems | Sale+OE | 11,900 | $60.00 | $714,000.00 | -29.7% | → |
| 2016-02-19 | Frykman Karl R. | President Aquatic Systems | Sale+OE | 4,000 | $47.90 | $191,585.20 | -12.5% | → |
| 2016-02-19 | GARDEN EDWARD P | Please see remarks below | Buy | 654,011 | $47.84 | $31,289,548.53 | +0.9% | → |
| 2015-11-30 | BRYAN GLYNIS | - | Sale+OE | 10,000 | $56.69 | $566,926.00 | -38.6% | → |
| 2015-11-16 | MONAHAN WILLIAM T | - | Sale+OE | 7,005 | $55.56 | $389,173.28 | -15.2% | → |
| 2015-11-12 | GARDEN EDWARD P | Please see remarks below | Buy | 64,500 | $55.98 | $3,610,729.35 | +0.5% | → |