| 2018-09-19 | Hardin John Wesley | PRES. - ELECTRONIC INSTRUMENTS | Sale+OE | 29,955 | $81.55 | $2,442,851.75 | -19.6% | → |
| 2018-09-14 | VARET ELIZEBETH R | Director | Sell | 5,300 | $80.51 | $426,703.00 | -71.1% | → |
| 2018-09-13 | McClain Gretchen W | Director | Sale+OE | 3,870 | $80.00 | $309,600.00 | -48.3% | → |
| 2018-09-13 | VARET ELIZEBETH R | Director | Sell | 8,000 | $79.11 | $632,873.50 | -78.4% | → |
| 2018-09-11 | Burke William Joseph | Executive VP - CFO | Sale+OE | 15,600 | $80.00 | $1,248,000.00 | -18.6% | → |
| 2018-09-07 | McClain Gretchen W | Director | Sell | 1,920 | $78.55 | $150,816.19 | -31.6% | → |
| 2018-09-07 | VARET ELIZEBETH R | Director | Sell | 1,500 | $78.10 | $117,147.45 | -1.1% | → |
| 2018-08-29 | VARET ELIZEBETH R | Director | Sell | 3,000 | $77.26 | $231,780.30 | -2.8% | → |
| 2018-08-27 | McClain Gretchen W | Director | Sell | 2,720 | $77.05 | $209,567.02 | -31.0% | → |
| 2018-08-27 | VARET ELIZEBETH R | Director | Sell | 3,000 | $77.00 | $231,000.00 | -2.7% | → |
| 2018-08-07 | VARET ELIZEBETH R | Director | Sell | 3,000 | $76.95 | $230,850.00 | -2.2% | → |
| 2018-07-31 | VARET ELIZEBETH R | Director | Sell | 2,000 | $76.95 | $153,900.00 | -1.4% | → |
| 2018-07-26 | VARET ELIZEBETH R | Director | Sell | 2,000 | $76.70 | $153,409.00 | -1.4% | → |
| 2018-07-05 | VARET ELIZEBETH R | Director | Sell | 3,000 | $72.07 | $216,202.20 | -2.1% | → |
| 2018-06-08 | VARET ELIZEBETH R | Director | Sell | 2,000 | $75.56 | $151,120.00 | -1.4% | → |
| 2018-03-16 | Kohlhagen Steven W | Director | Sell | 5,000 | $78.64 | $393,198.50 | -10.1% | → |
| 2018-03-16 | VARET ELIZEBETH R | Director | Sell | 3,000 | $77.90 | $233,700.00 | -2.0% | → |
| 2018-03-15 | VARET ELIZEBETH R | Director | Sell | 3,000 | $78.03 | $234,075.00 | -2.0% | → |
| 2018-03-09 | Kohlhagen Steven W | Director | Sell | 5,000 | $78.31 | $391,550.00 | -9.2% | → |
| 2018-03-09 | Conti Anthony James | Director | Sale+OE | 4,050 | $78.14 | $316,475.51 | -23.2% | → |
| 2018-02-26 | Hardin John Wesley | PRES. - ELECTRONIC INSTRUMENTS | Sale+OE | 25,965 | $78.50 | $2,038,252.50 | -30.3% | → |
| 2018-02-22 | WILLIAMS DENNIS K | Director | Sale+OE | 4,050 | $76.46 | $309,671.51 | -14.2% | → |
| 2018-02-21 | Kohlhagen Steven W | Director | Sell | 3,000 | $76.45 | $229,358.40 | -5.2% | → |
| 2018-02-15 | Oscher Ronald J | CHIEF ADMINISTRATIVE OFFICER | Sale+OE | 14,976 | $75.13 | $1,125,130.41 | -35.8% | → |
| 2018-02-15 | VARET ELIZEBETH R | Director | Sell | 3,000 | $75.85 | $227,550.00 | -2.6% | → |
| 2018-02-07 | VARET ELIZEBETH R | Director | Sale+OE | 6,295 | $74.72 | $470,374.99 | -5.2% | → |
| 2018-02-05 | EGINTON WILLIAM D | SENIOR VP-CORP. DEVELOPMENT | Sale+OE | 16,368 | $77.00 | $1,260,336.00 | -27.7% | → |
| 2017-12-11 | ZAPICO DAVID A | CHIEF EXECUTIVE OFFICER | Sale+OE | 25,965 | $71.77 | $1,863,578.16 | -12.9% | → |
| 2017-11-29 | VARET ELIZEBETH R | Director | Sale+OE | 3,050 | $71.83 | $219,084.55 | -2.6% | → |
| 2017-11-16 | MONTGOMERY THOMAS M | SR. VP. - COMPTROLLER | Sell | 1,800 | $70.35 | $126,630.00 | -8.3% | → |
| 2017-10-03 | VARET ELIZEBETH R | Director | Sell | 3,000 | $66.30 | $198,912.30 | -2.5% | → |
| 2017-09-20 | HERMANCE FRANK S | EXECUTIVE CHAIRMAN | Sale+OE | 150,840 | $66.38 | $10,012,864.79 | -6.9% | → |
| 2017-09-19 | Marecic Thomas C | PRES. - ELECTRONIC INSTRUMENTS | Sale+OE | 12,315 | $66.36 | $817,214.78 | -32.1% | → |
| 2017-08-15 | VARET ELIZEBETH R | Director | Sell | 3,000 | $63.24 | $189,720.00 | -2.5% | → |
| 2017-08-07 | MONTGOMERY THOMAS M | SR. VP. - COMPTROLLER | Sell | 1,500 | $64.49 | $96,739.80 | -6.5% | → |
| 2017-08-04 | Hardin John Wesley | PRES. - ELECTRONIC INSTRUMENTS | Sell | 2,600 | $64.51 | $167,726.00 | -4.2% | → |
| 2017-06-09 | VARET ELIZEBETH R | Director | Sell | 3,000 | $62.66 | $187,966.80 | -2.4% | → |
| 2017-06-05 | VARET ELIZEBETH R | Director | Sell | 3,000 | $61.96 | $185,883.60 | -2.4% | → |
| 2017-06-02 | Jones Timothy N | PRESIDENT - ELECTROMECHANICAL | Sale+OE | 39,955 | $61.95 | $2,475,173.74 | -33.3% | → |
| 2017-05-19 | Oscher Ronald J | CHIEF ADMINISTRATIVE OFFICER | Sale+OE | 5,315 | $60.05 | $319,165.75 | -16.5% | → |
| 2017-05-12 | MALONE JAMES R | Director | Sell | 1,190 | $59.65 | $70,983.50 | -21.7% | → |
| 2017-05-09 | MALONE JAMES R | Director | Sale+OE | 5,278 | $59.79 | $315,571.62 | -68.3% | → |
| 2017-05-05 | MONTGOMERY THOMAS M | SR. VP. - COMPTROLLER | Sale+OE | 6,864 | $60.52 | $415,440.85 | -24.1% | → |
| 2017-05-05 | Conti Anthony James | Director | Sale+OE | 4,756 | $60.42 | $287,357.52 | -31.4% | → |
| 2017-05-04 | EGINTON WILLIAM D | SENIOR VP-CORP. DEVELOPMENT | Sale+OE | 14,598 | $60.00 | $875,880.00 | -26.9% | → |
| 2017-03-29 | Jones Timothy N | PRESIDENT - ELECTROMECHANICAL | Sell | 10,000 | $54.20 | $542,005.00 | -18.5% | → |