| 2024-05-10 | Sale | Kirby Corporation KEX | President-Kirby Engine Systems | 2,470 0.0043% | $115.72 | $285,828 | +3.62% | |
| 2024-03-27 | Sale | Kirby Corporation KEX | President-Kirby Engine Systems | 3,423 0.0059% | $95.11 | $325,562 | +20.97% | |
| 2023-12-15 | Sale | Kirby Corporation KEX | President-Kirby Engine Systems | 3,876 0.0065% | $77.22 | $299,305 | +19.03% | |
| 2023-08-04 | Sale | Kirby Corporation KEX | President-Kirby Engine Systems | 2,500 0.0042% | $82.46 | $206,150 | +1.9% | |
| 2021-12-06 | Sale | Kirby Corporation KEX | President-Kirby Engine Systems | 1,292 0.0022% | $55.55 | $71,776 | +18.79% | |
| 2019-11-05 | Sale | Kirby Corporation KEX | President-Kirby Engine Systems | 7,256 0.0111% | $77.58 | $562,885 | -40.95% | |
| 2019-07-31 | Sale | Kirby Corporation KEX | President-Kirby Engine Systems | 3,000 0.005% | $78.72 | $236,149 | -6.09% | |
| 2019-05-03 | Sale | Kirby Corporation KEX | President-Kirby Engine Systems | 6,142 0.0103% | $84.89 | $521,396 | -6.76% | |
| 2018-08-23 | Sale | Kirby Corporation KEX | President-Kirby Engine Systems | 6,340 0.0094% | $76.08 | $482,352 | -12.03% | |
| 2018-02-13 | Sale | Kirby Corporation KEX | President-Kirby Engine Systems | 3,330 0.0056% | $74.56 | $248,285 | +7.31% | |
| 2018-02-08 | Sale | Kirby Corporation KEX | President-Kirby Engine Systems | 1,200 0.0021% | $74.37 | $89,244 | +9.81% | |
| 2018-02-07 | Sale | Kirby Corporation KEX | President - Marine Systems, In | 3,470 0.0058% | $76.51 | $265,490 | +4.71% | |
| 2017-02-14 | Sale | Kirby Corporation KEX | President - Marine Systems, In | 5,058 0.0095% | $71.78 | $363,076 | -6.77% | |
| 2016-05-06 | Sale | Kirby Corporation KEX | President - Marine Systems, In | 5,766 0.0108% | $64.20 | $370,177 | +2.28% | |
| 2014-06-04 | Sale | Kirby Corporation KEX | President - Marine Systems, In | 8,648 0.0098% | $72.41 | $626,165 | -20.46% | |
| 2014-02-21 | Sale | Kirby Corporation KEX | President - Marine Systems, In | 8,000 0.0142% | $101.38 | $811,060 | +4.41% | |
| 2013-08-05 | Sale | Kirby Corporation KEX | President - Marine Systems, In | 4,400 0.0078% | $85.45 | $375,980 | +15.43% | |
| 2013-05-15 | Sale | Kirby Corporation KEX | President - Marine Systems, In | 13,298 0.0151% | $51.74 | $688,092 | +13.57% | |
| 2013-02-05 | Sale | Kirby Corporation KEX | President - Marine Systems, In | 4,942 0.0087% | $70.46 | $348,236 | +16.33% | |
| 2012-09-07 | Sale | Kirby Corporation KEX | President -Marine Systems, Inc | 9,562 0.0157% | $52.77 | $504,576 | +28.8% |