| 2021-01-06 | Sale | IPG Photonics Corporation IPGP | director | 3,654 0.0067% | $221.20 | $808,247 | -10.04% | |
| 2020-10-08 | Sale | IPG Photonics Corporation IPGP | director | 4,000 0.0075% | $178.79 | $715,178 | +15.1% | |
| 2020-08-11 | Sale | IPG Photonics Corporation IPGP | director | 2,652 0.005% | $160.00 | $424,320 | +30.23% | |
| 2020-08-10 | Sale | IPG Photonics Corporation IPGP | director | 350 0.0007% | $163.67 | $57,285 | +30.84% | |
| 2020-08-07 | Sale | IPG Photonics Corporation IPGP | director | 6,400 0.0121% | $163.25 | $1.04M | +26.8% | |
| 2020-08-06 | Sale | IPG Photonics Corporation IPGP | director | 6,600 0.0124% | $164.91 | $1.09M | +25.43% | |
| 2018-08-10 | Veeco Instruments Inc. VECO | Chairman & CEO | 10,000 0.0214% | $11.45 | $114,460 | -3.55% | ||
| 2018-03-12 | Sale | IPG Photonics Corporation IPGP | director | 2,266 0.0042% | $252.95 | $573,185 | -36.61% | |
| 2018-03-09 | Sale | IPG Photonics Corporation IPGP | director | 2,734 0.0051% | $250.80 | $685,687 | -35.06% | |
| 2017-12-13 | Veeco Instruments Inc. VECO | Chairman & CEO | 72,400 0.1721% | $13.81 | $999,844 | +16.35% | ||
| 2017-05-12 | Sale | Veeco Instruments Inc. VECO | Chairman & CEO | 28,926 0.0681% | $33.10 | $957,451 | -42.94% | |
| 2015-06-08 | Sale | Veeco Instruments Inc. VECO | Chairman & CEO | 88,836 0.2234% | $30.87 | $2.74M | -35.98% | |
| 2014-04-03 | Sale | Veeco Instruments Inc. VECO | Chairman & CEO | 10,668 0.0275% | $44.35 | $473,126 | -20.7% | |
| 2014-03-10 | Sale | Veeco Instruments Inc. VECO | Chairman & CEO | 63,756 0.1608% | $42.78 | $2.73M | -19.38% | |
| 2014-02-20 | Sale | Veeco Instruments Inc. VECO | Chairman & CEO | 40,076 0.1074% | $42.20 | $1.69M | -12.72% | |
| 2014-02-12 | Sale | Veeco Instruments Inc. VECO | Chairman & CEO | 80,000 0.2026% | $39.44 | $3.16M | -11.48% | |
| 2011-05-18 | Sale | Veeco Instruments Inc. VECO | CEO | 116,666 0.2834% | $54.97 | $6.41M | -48.09% | |
| 2011-02-11 | Sale | Veeco Instruments Inc. VECO | CEO | 100,000 0.2479% | $51.82 | $5.18M | -31.1% | |
| 2010-04-14 | Sale | Veeco Instruments Inc. VECO | CEO | 83,332 0.2019% | $47.98 | $4M | -13.65% | |
| 2010-04-05 | Sale | Veeco Instruments Inc. VECO | CEO | 50,000 0.1243% | $45.95 | $2.3M | -7.45% |