| 2019-01-02 | BUBECK JAMES | Chief Revenue Officer | Sell | 250 | $44.51 | $11,127.00 | -0.7% | → |
| 2018-12-14 | WEED THADDEUS GERARD | VP, CFO & Treasurer | Sell | 3,000 | $46.89 | $140,658.00 | -4.3% | → |
| 2018-12-14 | FERGUSON Lewis H | - | Sell | 800 | $47.20 | $37,760.00 | -45.7% | → |
| 2018-12-06 | KILMER HENRY W | VP of IP Engineering | Sell | 3,000 | $46.68 | $140,043.00 | -8.8% | → |
| 2018-12-03 | BEURY ROBERT N JR | VP & Chief Legal Officer | Sell | 3,000 | $49.16 | $147,472.50 | -7.2% | → |
| 2018-11-08 | WEINGARTEN TIM | - | Sell | 2,500 | $51.01 | $127,523.25 | -10.6% | → |
| 2018-10-01 | ONEILL TIMOTHY G | VP Field Engineering | Sell | 1,000 | $55.80 | $55,800.00 | -2.5% | → |
| 2018-09-13 | Bath Blake | - | Sell | 3,589 | $54.94 | $197,186.48 | -13.4% | → |
| 2018-09-13 | BEURY ROBERT N JR | VP & Chief Legal Officer | Sell | 4,000 | $54.92 | $219,688.80 | -8.7% | → |
| 2018-09-12 | BEURY ROBERT N JR | VP & Chief Legal Officer | Sell | 2,000 | $54.96 | $109,910.00 | -4.2% | → |
| 2018-09-12 | Bath Blake | - | Sell | 18,411 | $54.93 | $1,011,311.54 | -23.2% | → |
| 2018-09-06 | KILMER HENRY W | VP of IP Engineering | Sell | 3,000 | $54.98 | $164,928.00 | -8.1% | → |
| 2018-09-05 | WEED THADDEUS GERARD | VP, CFO & Treasurer | Sell | 4,500 | $53.55 | $240,975.00 | -6.1% | → |
| 2018-09-04 | ONEILL TIMOTHY G | VP Field Engineering | Sell | 1,000 | $54.50 | $54,500.00 | -2.5% | → |
| 2018-09-04 | BEURY ROBERT N JR | VP & Chief Legal Officer | Sell | 3,000 | $53.95 | $161,856.90 | -5.9% | → |
| 2018-08-01 | ONEILL TIMOTHY G | VP Field Engineering | Sell | 1,000 | $51.95 | $51,950.00 | -2.4% | → |
| 2018-07-02 | ONEILL TIMOTHY G | VP Field Engineering | Sell | 1,000 | $53.00 | $53,000.00 | -2.3% | → |
| 2018-06-19 | KUMMER RAYMOND B | CTO; VP Optical Transport | Sell | 2,100 | $54.76 | $114,988.02 | -4.1% | → |
| 2018-06-15 | KUMMER RAYMOND B | CTO; VP Optical Transport | Sell | 3,000 | $53.78 | $161,332.50 | -5.5% | → |
| 2018-06-06 | KUMMER RAYMOND B | CTO; VP Optical Transport | Sell | 3,000 | $52.67 | $157,997.40 | -5.2% | → |
| 2018-06-06 | KILMER HENRY W | VP of IP Engineering | Sell | 3,000 | $52.63 | $157,896.00 | -7.5% | → |
| 2018-06-04 | WEED THADDEUS GERARD | VP, CFO & Treasurer | Sell | 4,500 | $51.12 | $230,039.10 | -5.8% | → |
| 2018-06-01 | BEURY ROBERT N JR | VP & Chief Legal Officer | Sell | 3,000 | $51.14 | $153,433.80 | -5.6% | → |
| 2018-06-01 | ONEILL TIMOTHY G | VP Field Engineering | Sell | 1,000 | $51.30 | $51,300.00 | -2.3% | → |
| 2018-05-18 | Montagner Marc | - | Sell | 2,000 | $50.00 | $100,000.00 | -4.6% | → |
| 2018-05-16 | BROOKS STEVEN D | - | Sell | 2,000 | $50.65 | $101,297.60 | -7.5% | → |
| 2018-05-11 | BUBECK JAMES | Chief Revenue Officer | Sell | 2,000 | $50.36 | $100,724.00 | -5.6% | → |
| 2018-05-09 | WEED THADDEUS GERARD | VP, CFO & Treasurer | Sell | 3,000 | $49.32 | $147,951.90 | -3.7% | → |
| 2018-05-08 | BROOKS STEVEN D | - | Sell | 5,000 | $48.34 | $241,696.50 | -15.8% | → |
| 2018-05-03 | ONEILL TIMOTHY G | VP Field Engineering | Sell | 1,000 | $50.00 | $50,000.00 | -2.2% | → |
| 2018-04-12 | ONEILL TIMOTHY G | VP Field Engineering | Sell | 1,000 | $45.75 | $45,750.00 | -2.2% | → |
| 2018-03-16 | WEINGARTEN TIM | - | Sell | 1,700 | $43.60 | $74,120.00 | -8.5% | → |
| 2018-03-12 | WEED THADDEUS GERARD | VP, CFO & Treasurer | Sell | 6,000 | $45.17 | $271,014.60 | -6.9% | → |
| 2018-03-06 | KILMER HENRY W | VP of IP Engineering | Sell | 3,000 | $43.36 | $130,080.60 | -6.9% | → |
| 2018-03-02 | BUBECK JAMES | Chief Revenue Officer | Sell | 300 | $43.01 | $12,901.50 | -0.8% | → |
| 2018-03-01 | ONEILL TIMOTHY G | VP Field Engineering | Sell | 1,000 | $42.95 | $42,950.00 | -2.1% | → |
| 2018-03-01 | BEURY ROBERT N JR | VP & Chief Legal Officer | Sell | 3,000 | $43.17 | $129,519.00 | -5.3% | → |
| 2017-12-15 | WEINGARTEN TIM | - | Sell | 2,125 | $47.02 | $99,921.11 | -10.4% | → |
| 2017-12-15 | Montagner Marc | - | Sell | 5,000 | $47.00 | $235,000.00 | -11.1% | → |
| 2017-12-08 | ONEILL TIMOTHY G | VP Field Engineering | Sell | 2,000 | $45.65 | $91,291.00 | -5.1% | → |
| 2017-12-07 | WEED THADDEUS GERARD | VP, CFO & Treasurer | Sell | 2,000 | $45.81 | $91,616.40 | -2.9% | → |
| 2017-12-06 | KILMER HENRY W | VP of IP Engineering | Sell | 3,000 | $44.54 | $133,632.30 | -8.2% | → |
| 2017-12-05 | LIEBHABER RICHARD | - | Buy | 700 | $45.30 | $31,710.00 | +1.0% | → |
| 2017-12-01 | BUBECK JAMES | Chief Revenue Officer | Sell | 250 | $46.66 | $11,663.75 | -0.9% | → |
| 2017-12-01 | BEURY ROBERT N JR | VP & Chief Legal Officer | Sell | 3,000 | $46.51 | $139,534.20 | -6.0% | → |
| 2017-10-02 | ONEILL TIMOTHY G | VP Field Engineering | Sell | 2,000 | $48.75 | $97,500.00 | -4.9% | → |
| 2017-09-14 | WEINGARTEN TIM | - | Sell | 1,616 | $45.97 | $74,287.52 | -8.0% | → |
| 2017-09-14 | KUMMER RAYMOND B | CTO; VP Optical Transport | Sell | 4,000 | $46.62 | $186,492.40 | -3.7% | → |