| 2019-06-18 | West Neal E | SVP & CFO | Sell | 750 | $100.00 | $75,000.00 | -11.6% | → |
| 2019-06-18 | DONNAN JOHN MALCOLM | EVP - Legal, Compliance & HR | Sell | 5,000 | $100.00 | $500,000.00 | -20.7% | → |
| 2019-06-18 | Harvey Keith | President & COO | Sell | 1,700 | $98.53 | $167,500.00 | -1.2% | → |
| 2019-06-03 | Harvey Keith | President & COO | Sell | 500 | $90.00 | $45,000.00 | -0.6% | → |
| 2019-05-13 | Krouse Mark | VP - Human Resources | Sell | 1,100 | $93.44 | $102,781.58 | -20.3% | → |
| 2019-05-09 | Harvey Keith | President & COO | Sell | 1,000 | $94.94 | $94,935.00 | -0.6% | → |
| 2019-01-18 | HOCKEMA JACK A | CEO | Sell | 1,500 | $100.27 | $150,407.06 | -1.2% | → |
| 2019-01-10 | HOCKEMA JACK A | CEO | Sell | 4,500 | $94.82 | $426,672.90 | -6.6% | → |
| 2018-11-21 | ELLSWORTH MELINDA C | VP IR & Corp. Communications | Sell | 1,100 | $95.36 | $104,900.95 | -16.1% | → |
| 2018-11-02 | HOCKEMA JACK A | CEO | Sell | 1,500 | $100.41 | $150,621.00 | -2.2% | → |
| 2018-10-30 | HOCKEMA JACK A | CEO | Sell | 4,500 | $93.35 | $420,090.30 | -6.1% | → |
| 2018-08-02 | HOCKEMA JACK A | CEO | Sell | 6,000 | $111.91 | $671,451.00 | -7.5% | → |
| 2018-08-02 | ELLSWORTH MELINDA C | VP IR & Corp. Communications | Sell | 1,100 | $112.23 | $123,455.97 | -13.9% | → |
| 2018-07-26 | Quinn Jack | - | Sell | 1,313 | $110.33 | $144,863.29 | -13.0% | → |
| 2018-06-13 | BARNESON JOHN | Sr. VP - Corporate Development | Sell | 7,000 | $112.53 | $787,707.90 | -12.7% | → |
| 2018-05-25 | HOCKEMA JACK A | CEO | Sell | 9,000 | $108.64 | $977,787.90 | -10.1% | → |
| 2018-05-24 | Miller Del L | Vice President and Treasurer | Sell | 979 | $108.23 | $105,952.28 | -12.7% | → |
| 2018-05-24 | Krouse Mark | VP - Human Resources | Sell | 1,500 | $108.63 | $162,940.95 | -29.6% | → |
| 2018-05-22 | West Neal E | VP & Chief Accounting Officer | Sell | 2,175 | $110.00 | $239,250.00 | -30.7% | → |
| 2018-05-15 | West Neal E | VP & Chief Accounting Officer | Sell | 725 | $103.40 | $74,965.00 | -9.3% | → |
| 2018-05-14 | Parkinson Ray | VP - Advanced Engineering | Sell | 3,262 | $105.03 | $342,594.81 | -35.9% | → |
| 2018-03-15 | OSBORNE ALFRED E JR | - | Sell | 1,000 | $104.40 | $104,400.00 | -6.4% | → |
| 2018-03-14 | Harvey Keith | President & COO | Sell | 6,608 | $107.06 | $707,430.40 | -4.0% | → |
| 2018-03-12 | DONNAN JOHN MALCOLM | EVP - Legal, Compliance & HR | Sell | 6,783 | $107.10 | $726,481.01 | -26.2% | → |
| 2018-03-07 | HOCKEMA JACK A | CEO | Sell | 9,000 | $104.01 | $936,128.70 | -14.6% | → |
| 2017-10-31 | ELLSWORTH MELINDA C | VP IR & Corp. Communications | Sell | 1,000 | $99.48 | $99,482.50 | -14.3% | → |
| 2017-09-29 | HOCKEMA JACK A | CEO | Sell | 9,000 | $102.67 | $924,064.49 | -5.9% | → |
| 2017-09-05 | Bartholomew Carolyn | - | Sell | 1,000 | $99.00 | $99,000.00 | -7.0% | → |
| 2017-08-17 | OSBORNE ALFRED E JR | - | Sell | 2,000 | $94.56 | $189,114.20 | -11.3% | → |
| 2017-08-11 | DONNAN JOHN MALCOLM | EVP - Legal, Compliance & HR | Sell | 5,115 | $95.39 | $487,933.66 | -21.2% | → |
| 2017-08-08 | Miller Del L | Vice President and Treasurer | Sell | 817 | $97.07 | $79,308.07 | -11.1% | → |
| 2017-08-02 | Krouse Mark | VP - Human Resources | Sell | 1,500 | $96.50 | $144,750.60 | -18.9% | → |
| 2017-07-24 | Parkinson Ray | VP - Advanced Engineering | Sell | 1,800 | $97.45 | $175,405.14 | -15.5% | → |
| 2017-07-24 | Miller Del L | Vice President and Treasurer | Sell | 1,282 | $96.81 | $124,110.42 | -14.8% | → |
| 2017-07-10 | Bartholomew Carolyn | - | Sell | 1,000 | $92.00 | $92,000.00 | -6.5% | → |
| 2017-07-10 | HOCKEMA JACK A | CEO | Sell | 9,000 | $91.18 | $820,648.80 | -10.1% | → |
| 2017-05-11 | Parkinson Ray | VP - Advanced Engineering | Sell | 2,000 | $80.75 | $161,493.80 | -14.7% | → |
| 2017-04-28 | Harvey Keith | President & COO | Sell | 4,877 | $84.59 | $412,545.00 | -4.8% | → |
| 2017-04-24 | West Neal E | VP & Chief Accounting Officer | Sell | 2,500 | $84.54 | $211,340.25 | -30.9% | → |
| 2017-03-29 | Parkinson Ray | VP - Advanced Engineering | Sell | 1,200 | $78.16 | $93,794.28 | -13.2% | → |
| 2016-12-05 | BARNESON JOHN | Sr. VP - Corporate Development | Sale+OE | 2,334 | $84.57 | $197,384.28 | -20.5% | → |
| 2016-05-06 | DONNAN JOHN MALCOLM | EVP - Legal, Compliance & HR | Sell | 5,915 | $89.93 | $531,938.91 | -25.0% | → |
| 2016-05-05 | RINKENBERGER DANIEL J | EVP & CFO | Sale+OE | 803 | $90.05 | $72,307.02 | -1.1% | → |
| 2016-05-05 | ELLSWORTH MELINDA C | VP IR & Corp. Communications | Sell | 600 | $91.30 | $54,779.82 | -10.0% | → |