| 2018-08-29 | PYNE J H | - | Sell | 47,066 | $87.92 | $4,137,925.06 | -26.9% | → |
| 2018-08-28 | PYNE J H | - | Sell | 52,934 | $87.88 | $4,651,704.80 | -11.7% | → |
| 2018-08-23 | STRAHAN DORMAN LYNN | President-Kirby Engine Systems | Sale+OE | 3,170 | $86.88 | $275,414.67 | -10.8% | → |
| 2018-08-14 | O'Neil Christian G. | President-Kirby Inland Marine | Sell | 1,500 | $86.75 | $130,125.00 | -5.8% | → |
| 2018-08-09 | DRAGG RONALD A | Vice President and Controller | Sell | 500 | $85.00 | $42,500.00 | -4.4% | → |
| 2018-05-31 | Clarke Kim B | VP and Chief HR Officer | Sale+OE | 1,550 | $92.48 | $143,336.25 | -45.3% | → |
| 2018-05-30 | Husted Amy D. | VP and General Counsel | Sell | 2,200 | $91.68 | $201,700.40 | -11.6% | → |
| 2018-05-24 | Mosley David R | Vice President | Sale+OE | 7,447 | $90.40 | $673,186.46 | -38.3% | → |
| 2018-05-21 | O'Neil Christian G. | President-Kirby Inland Marine | Sell | 1,000 | $90.85 | $90,850.00 | -3.8% | → |
| 2018-05-18 | Reniers Joseph H. | President-Kirby Distribution | Sell | 2,618 | $90.44 | $236,777.16 | -9.1% | → |
| 2018-05-18 | Reniers Joseph H. | President-Kirby Distribution | Sell | 2,618 | $90.44 | $236,777.16 | -9.1% | → |
| 2018-05-17 | Waterman William M. | - | Sell | 25,000 | $90.52 | $2,262,952.50 | -22.2% | → |
| 2018-05-11 | Castro Renato A | Treasurer | Sell | 986 | $90.20 | $88,937.20 | -39.1% | → |
| 2018-05-07 | PYNE J H | - | Sale+OE | 138,036 | $88.28 | $12,185,696.73 | -23.6% | → |
| 2018-05-01 | DRAGG RONALD A | Vice President and Controller | Sell | 930 | $85.69 | $79,695.98 | -7.5% | → |
| 2018-04-30 | ALARIO RICHARD J | - | Sale+OE | 17,153 | $85.99 | $1,474,953.88 | -57.6% | → |
| 2018-02-13 | STRAHAN DORMAN LYNN | President-Kirby Engine Systems | Sell | 1,665 | $74.56 | $124,142.40 | -6.0% | → |
| 2018-02-12 | Mosley David R | Vice President | Sale+OE | 5,694 | $73.37 | $417,768.78 | -32.2% | → |
| 2018-02-08 | STRAHAN DORMAN LYNN | President-Kirby Engine Systems | Sell | 600 | $74.37 | $44,622.00 | -2.1% | → |
| 2018-02-07 | STRAHAN DORMAN LYNN | President - Marine Systems, In | Sell | 1,735 | $76.51 | $132,744.85 | -5.7% | → |
| 2018-02-07 | Miller Monte J | - | Sale+OE | 2,336 | $77.10 | $180,105.60 | -14.0% | → |
| 2017-03-06 | Ivey William G. | President-Marine Transportatio | Sell | 4,000 | $69.85 | $279,414.80 | -18.3% | → |
| 2017-02-27 | Husted Amy D. | Vice President & General Couns | Sell | 2,985 | $70.58 | $210,681.30 | -13.1% | → |
| 2017-02-21 | Castro Renato A | Treasurer | Sell | 859 | $72.00 | $61,848.00 | -23.9% | → |
| 2017-02-15 | Mosley David R | Vice President | Sell | 1,739 | $71.26 | $123,921.14 | -100% | → |
| 2017-02-14 | STRAHAN DORMAN LYNN | President - Marine Systems, In | Sell | 2,529 | $71.78 | $181,537.94 | -3.8% | → |
| 2017-02-10 | Reniers Joseph H. | EVP - Diesel Engine Svc & Supp | Sale+OE | 6,836 | $70.55 | $482,302.48 | -10.3% | → |
| 2017-02-08 | O'Neil Christian G. | EVP & COO - Marine Transporta | Sell | 2,254 | $68.70 | $154,854.76 | -7.4% | → |
| 2017-02-08 | Ivey William G. | President-Marine Transportatio | Sell | 2,000 | $67.82 | $135,648.20 | -8.4% | → |
| 2016-06-01 | Miller Monte J | - | Sale+OE | 3,000 | $69.31 | $207,930.00 | -21.5% | → |
| 2016-05-18 | Husted Amy D. | Vice President - Legal | Sell | 500 | $69.25 | $34,625.00 | -2.5% | → |
| 2016-05-10 | Farley James F. | VP - Industry Relations | Sell | 1,500 | $63.73 | $95,595.00 | -5.5% | → |
| 2016-05-06 | STRAHAN DORMAN LYNN | President - Marine Systems, In | Sell | 2,883 | $64.20 | $185,088.60 | -7.9% | → |
| 2016-05-02 | Mosley David R | Vice President | Sell | 2,000 | $64.35 | $128,702.20 | -17.1% | → |
| 2016-05-02 | Castro Renato A | Treasurer | Sell | 589 | $64.52 | $38,002.28 | -15.9% | → |
| 2016-03-15 | Husted Amy D. | Vice President - Legal | Sell | 1,000 | $59.65 | $59,654.40 | -4.8% | → |
| 2016-03-14 | LAMONT WILLIAM M JR | - | Sell | 3,500 | $60.22 | $210,785.00 | -3.4% | → |
| 2016-03-11 | Reniers Joseph H. | Sr. VP - Diesel Engine Svc | Sell | 2,470 | $59.81 | $147,732.92 | -16.2% | → |
| 2016-02-24 | LAMONT WILLIAM M JR | - | Sell | 3,500 | $55.76 | $195,165.25 | -6.3% | → |
| 2015-12-15 | LAMONT WILLIAM M JR | - | Sell | 3,000 | $55.06 | $165,180.90 | -5.1% | → |
| 2015-09-15 | LAMONT WILLIAM M JR | - | Sell | 1,500 | $67.95 | $101,924.15 | -1.3% | → |
| 2015-09-08 | LAMONT WILLIAM M JR | - | Sell | 3,000 | $70.05 | $210,161.10 | -4.8% | → |
| 2015-08-31 | LAMONT WILLIAM M JR | - | Sell | 3,000 | $70.03 | $210,089.70 | -4.6% | → |
| 2015-06-15 | LAMONT WILLIAM M JR | - | Sell | 1,000 | $76.25 | $76,250.00 | -1.5% | → |