| Mar 28, 2024 | MS | SSale | 6,705 | $95.05 | $637,310 | |
| Mar 28, 2024 | SDSTRAHAN DORMAN LYNN President-Kirby Engine Systems | SSale | 3,423 | $95.11 | $325,562 | |
| Mar 25, 2024 | KR | SSale | 2,228 | $92.00 | $204,976 | |
| Mar 7, 2024 | KR | SSale | 1,670 | $90.00 | $150,300 | |
| Feb 27, 2024 | KR | SSale | 1,670 | $88.00 | $146,960 | |
| Feb 23, 2024 | SRSTEWART RICHARD ROSS Director | SSale | 3,000 | $85.62 | $256,860 | |
| Feb 14, 2024 | GDGrzebinski David W President & CEO · Director | SSale | 18,000 | $85.44 | $1,537,920 | |
| Feb 8, 2024 | GDGrzebinski David W President & CEO · Director | SSale | 7,000 | $84.72 | $593,040 | |
| Feb 8, 2024 | HAHusted Amy D. VP General Counsel & Secretary | SSale | 2,728 | $84.33 | $230,052 | |
| Feb 8, 2024 | OCO'Neil Christian G. President-Kirby Inland Marine | SSale | 8,994 | $85.15 | $765,839 | |
| Feb 8, 2024 | MS | SSale | 2,461 | $84.03 | $206,798 | |
| Feb 8, 2024 | DRDRAGG RONALD A Vice President and Controller | SSale | 1,413 | $84.68 | $119,653 | |
| Feb 6, 2024 | DRDRAGG RONALD A Vice President and Controller | FTax | 368 | $83.76 | $30,824 | |
| Feb 6, 2024 | GDGrzebinski David W President & CEO · Director | FTax | 5,271 | $83.76 | $441,499 | |
| Feb 6, 2024 | HAHusted Amy D. VP General Counsel & Secretary | FTax | 1,764 | $83.76 | $147,753 | |
| Feb 6, 2024 | KR | FTax | 1,234 | $83.76 | $103,360 | |
| Feb 6, 2024 | MS | FTax | 794 | $83.76 | $66,505 | |
| Feb 6, 2024 | NKNiemietz Kurt A. VP IR & Treasurer | FTax | 259 | $83.76 | $21,694 | |
| Feb 6, 2024 | OCO'Neil Christian G. President-Kirby Inland Marine | FTax | 2,122 | $83.76 | $177,739 | |
| Feb 6, 2024 | SDSTRAHAN DORMAN LYNN President-Kirby Engine Systems | FTax | 595 | $83.76 | $49,837 | |
| Feb 6, 2024 | WWWoodruff William Matthew VP of Public and Govt Affairs | FTax | 246 | $83.76 | $20,605 | |
| Jan 31, 2024 | MS | SSale | 1,828 | $79.60 | $145,509 | |
| Jan 26, 2024 | DRDRAGG RONALD A Vice President and Controller | FTax | 532 | $77.55 | $41,257 | |
| Jan 26, 2024 | GDGrzebinski David W President & CEO · Director | FTax | 15,838 | $77.55 | $1,228,237 | |
| Jan 26, 2024 | HAHusted Amy D. VP General Counsel & Secretary | FTax | 2,227 | $77.55 | $172,704 | |
| Jan 26, 2024 | MS | FTax | 1,029 | $77.55 | $79,799 | |
| Jan 26, 2024 | NKNiemietz Kurt A. VP IR & Treasurer | FTax | 249 | $77.55 | $19,310 | |
| Jan 26, 2024 | OCO'Neil Christian G. President-Kirby Inland Marine | FTax | 5,962 | $77.55 | $462,353 | |
| Jan 26, 2024 | SDSTRAHAN DORMAN LYNN President-Kirby Engine Systems | FTax | 874 | $77.55 | $67,779 | |
| Jan 26, 2024 | WWWoodruff William Matthew VP of Public and Govt Affairs | FTax | 405 | $77.55 | $31,408 | |