David W. Grzebinski, CEO of Kirby Corp ($KEX), sold shares on the open market twice in the last year for a total of $7.6 million. His most recent sale occurred on February 24, 2026. These transactions rank 1,403rd among 11,678 insiders, below the average sale amount of $8.6 million across 6.4 transactions per insider. Grzebinski made no open market purchases in this period.
| Transaction Date | Company | Ticker | Insider Name | Title | Transaction Type | Security | Shares | Price | Shares Owned Following | Total Shares Outstanding | % of Owned | % of Outstanding |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Feb. 24, 2026 | KIRBY CORP | $KEX | Grzebinski David W | CEO | M | Employee Stock Options (Right to Buy) | 34152 | $0.00 | 0.0000 | 56,045,000 | 100.00% | 0.06% |
| Feb. 24, 2026 | KIRBY CORP | $KEX | Grzebinski David W | CEO | M | Common Stock, par value $0.10 per share | 34152 | $73.29 | 132,393.0000 | 56,045,000 | 34.76% | 0.06% |
| Feb. 24, 2026 | KIRBY CORP | $KEX | Grzebinski David W | CEO | S | Common Stock, par value $0.10 per share | 34152 | $130.05 | 98,241.0000 | 56,045,000 | 25.80% | 0.06% |
| Feb. 3, 2026 | KIRBY CORP | $KEX | Grzebinski David W | CEO | M | Restricted Stock Units | 4955 | $0.00 | 14,865.0000 | 56,045,000 | 25.00% | 0.01% |
| Feb. 3, 2026 | KIRBY CORP | $KEX | Grzebinski David W | CEO | F | Common Stock, par value $0.10 per share | 8844 | $120.68 | 98,241.0000 | 56,045,000 | 8.26% | 0.02% |
| Feb. 3, 2026 | KIRBY CORP | $KEX | Grzebinski David W | CEO | M | Restricted Stock Units | 6820 | $0.00 | 6,820.0000 | 56,045,000 | 50.00% | 0.01% |
| Feb. 3, 2026 | KIRBY CORP | $KEX | Grzebinski David W | CEO | M | Common Stock, par value $0.10 per share | 22470 | $0.00 | 107,085.0000 | 56,045,000 | 26.56% | 0.04% |
| Feb. 3, 2026 | KIRBY CORP | $KEX | Grzebinski David W | CEO | M | Restricted Stock Units | 4123 | $0.00 | 16,492.0000 | 56,045,000 | 20.00% | 0.01% |
| Feb. 3, 2026 | KIRBY CORP | $KEX | Grzebinski David W | CEO | M | Restricted Stock Units | 6572 | $0.00 | 13,144.0000 | 56,045,000 | 33.33% | 0.01% |
| Jan. 30, 2026 | KIRBY CORP | $KEX | Grzebinski David W | CEO | A | Restricted Stock Units | 20185 | $0.00 | 20,185.0000 | 56,045,000 | 9999.99% | 0.04% |
| Jan. 24, 2026 | KIRBY CORP | $KEX | Grzebinski David W | CEO | F | Common Stock, par value $0.10 per share | 3244 | $128.70 | 84,615.0000 | 56,045,000 | 3.69% | 0.01% |
| Jan. 24, 2026 | KIRBY CORP | $KEX | Grzebinski David W | CEO | M | Restricted Stock Units | 8150 | $0.00 | 0.0000 | 56,045,000 | 100.00% | 0.01% |
| Jan. 24, 2026 | KIRBY CORP | $KEX | Grzebinski David W | CEO | M | Common Stock, par value $0.10 per share | 8150 | $0.00 | 87,859.0000 | 56,045,000 | 10.22% | 0.01% |
| Nov. 21, 2025 | KIRBY CORP | $KEX | Grzebinski David W | CEO | M | Employee Stock Options (Right to Buy) | 29451 | $0.00 | 0.0000 | 56,560,000 | 100.00% | 0.05% |
| Nov. 21, 2025 | KIRBY CORP | $KEX | Grzebinski David W | CEO | M | Common Stock, par value $0.10 per share | 29451 | $73.93 | 109,160.0000 | 56,560,000 | 36.95% | 0.05% |
| Nov. 21, 2025 | KIRBY CORP | $KEX | Grzebinski David W | CEO | S | Common Stock, par value $0.10 per share | 29451 | $107.41 | 79,709.0000 | 56,560,000 | 26.98% | 0.05% |
| Feb. 3, 2025 | KIRBY CORP | $KEX | Grzebinski David W | CEO | M | Restricted Stock Units | 6572 | $0.00 | 19,716.0000 | 58,355,000 | 25.00% | 0.01% |
| Feb. 3, 2025 | KIRBY CORP | $KEX | Grzebinski David W | CEO | M | Restricted Stock Units | 6820 | $0.00 | 13,640.0000 | 58,355,000 | 33.33% | 0.01% |
| Feb. 3, 2025 | KIRBY CORP | $KEX | Grzebinski David W | CEO | M | Common Stock, par value $0.10 per share | 18347 | $0.00 | 86,930.0000 | 58,355,000 | 26.75% | 0.03% |
| Feb. 3, 2025 | KIRBY CORP | $KEX | Grzebinski David W | CEO | F | Common Stock, par value $0.10 per share | 7221 | $107.14 | 79,709.0000 | 58,355,000 | 8.31% | 0.01% |
| Jan. 31, 2025 | KIRBY CORP | $KEX | Grzebinski David W | CEO | A | Restricted Stock Units | 20615 | $0.00 | 20,615.0000 | 58,355,000 | 9999.99% | 0.04% |
| Feb. 3, 2025 | KIRBY CORP | $KEX | Grzebinski David W | CEO | M | Restricted Stock Units | 4955 | $0.00 | 19,820.0000 | 58,355,000 | 20.00% | 0.01% |
| Jan. 24, 2025 | KIRBY CORP | $KEX | Grzebinski David W | CEO | M | Restricted Stock Units | 8150 | $0.00 | 8,150.0000 | 58,355,000 | 50.00% | 0.01% |
| Jan. 24, 2025 | KIRBY CORP | $KEX | Grzebinski David W | CEO | M | Common Stock, par value $0.10 per share | 11913 | $0.00 | 73,312.0000 | 58,355,000 | 19.40% | 0.02% |
| Jan. 24, 2025 | KIRBY CORP | $KEX | Grzebinski David W | CEO | F | Common Stock, par value $0.10 per share | 4729 | $109.09 | 68,583.0000 | 58,355,000 | 6.45% | 0.01% |
| Jan. 24, 2025 | KIRBY CORP | $KEX | Grzebinski David W | CEO | M | Restricted Stock Units | 3763 | $0.00 | 0.0000 | 58,355,000 | 100.00% | 0.01% |
| March 21, 2016 | KIRBY CORP | $KEX | Grzebinski David W | CEO | G | Common Stock, par value $0.10 per share | 1000 | $0.00 | 61,399.0000 | 0 | 1.60% | 0.00% |
| Nov. 14, 2024 | KIRBY CORP | $KEX | Grzebinski David W | CEO | G | Common Stock, par value $0.10 per share | 1000 | $0.00 | 62,399.0000 | 58,526,000 | 1.58% | 0.00% |
| Sept. 16, 2024 | KIRBY CORP | $KEX | Grzebinski David W | CEO | M | Employee Stock Options (Right to Buy) | 26358 | $0.00 | 0.0000 | 59,857,000 | 100.00% | 0.04% |
| Sept. 16, 2024 | KIRBY CORP | $KEX | Grzebinski David W | CEO | S | Common Stock, par value $0.10 per share | 26358 | $120.46 | 63,399.0000 | 59,857,000 | 29.37% | 0.04% |
| Sept. 16, 2024 | KIRBY CORP | $KEX | Grzebinski David W | CEO | M | Common Stock, par value $0.10 per share | 26358 | $75.50 | 89,757.0000 | 59,857,000 | 41.57% | 0.04% |
| June 26, 2024 | KIRBY CORP | $KEX | Grzebinski David W | CEO | S | Common Stock, par value $0.10 per share | 3000 | $120.31 | 63,399.0000 | 59,857,000 | 4.52% | 0.01% |
| Feb. 12, 2024 | KIRBY CORP | $KEX | Grzebinski David W | President & CEO | S | Common Stock, par value $0.10 per share | 18000 | $85.44 | 66,399.0000 | 59,857,000 | 21.33% | 0.03% |
| Feb. 6, 2024 | KIRBY CORP | $KEX | Grzebinski David W | President & CEO | S | Common Stock, par value $0.10 per share | 7000 | $84.72 | 84,399.0000 | 59,857,000 | 7.66% | 0.01% |
| Feb. 2, 2024 | KIRBY CORP | $KEX | Grzebinski David W | President & CEO | A | Restricted Stock Units | 24775 | $0.00 | 24,775.0000 | 59,857,000 | 9999.99% | 0.04% |
| Feb. 3, 2024 | KIRBY CORP | $KEX | Grzebinski David W | President & CEO | M | Restricted Stock Units | 6572 | $0.00 | 26,288.0000 | 59,857,000 | 20.00% | 0.01% |
| Feb. 3, 2024 | KIRBY CORP | $KEX | Grzebinski David W | President & CEO | M | Restricted Stock Units | 6820 | $0.00 | 20,460.0000 | 59,857,000 | 25.00% | 0.01% |
| Feb. 3, 2024 | KIRBY CORP | $KEX | Grzebinski David W | President & CEO | F | Common Stock, par value $0.10 per share | 5271 | $83.76 | 91,399.0000 | 59,857,000 | 5.45% | 0.01% |
| Feb. 3, 2024 | KIRBY CORP | $KEX | Grzebinski David W | President & CEO | M | Common Stock, par value $0.10 per share | 13392 | $0.00 | 96,670.0000 | 59,857,000 | 16.08% | 0.02% |
| Jan. 24, 2024 | KIRBY CORP | $KEX | Grzebinski David W | President & CEO | M | Restricted Stock Units | 3763 | $0.00 | 3,763.0000 | 59,857,000 | 50.00% | 0.01% |
| Jan. 24, 2024 | KIRBY CORP | $KEX | Grzebinski David W | President & CEO | M | Restricted Stock Units | 8150 | $0.00 | 16,300.0000 | 59,857,000 | 33.33% | 0.01% |
| Jan. 24, 2024 | KIRBY CORP | $KEX | Grzebinski David W | President & CEO | M | Restricted Stock Units | 24626 | $0.00 | 0.0000 | 59,857,000 | 100.00% | 0.04% |
| Jan. 24, 2024 | KIRBY CORP | $KEX | Grzebinski David W | President & CEO | M | Restricted Stock Units | 3571 | $0.00 | 0.0000 | 59,857,000 | 100.00% | 0.01% |
| Jan. 24, 2024 | KIRBY CORP | $KEX | Grzebinski David W | President & CEO | F | Common Stock, par value $0.10 per share | 15838 | $77.55 | 83,278.0000 | 59,857,000 | 15.98% | 0.03% |
| Jan. 24, 2024 | KIRBY CORP | $KEX | Grzebinski David W | President & CEO | M | Common Stock, par value $0.10 per share | 40110 | $0.00 | 99,116.0000 | 59,857,000 | 67.98% | 0.07% |
| Dec. 28, 2023 | KIRBY CORP | $KEX | Grzebinski David W | President & CEO | G | Common Stock, par value $0.10 per share | 1000 | $0.00 | 59,006.0000 | 60,329,000 | 1.67% | 0.00% |
| Dec. 1, 2023 | KIRBY CORP | $KEX | Grzebinski David W | President & CEO | S | Common Stock, par value $0.10 per share | 4000 | $76.78 | 60,006.0000 | 60,329,000 | 6.25% | 0.01% |
| Oct. 3, 2023 | KIRBY CORP | $KEX | Grzebinski David W | President & CEO | S | Common Stock, par value $0.10 per share | 5000 | $80.54 | 64,006.0000 | 60,329,000 | 7.25% | 0.01% |
| Sept. 6, 2023 | KIRBY CORP | $KEX | Grzebinski David W | President & CEO | S | Common Stock, par value $0.10 per share | 26634 | $83.03 | 69,006.0000 | 60,329,000 | 27.85% | 0.04% |
| Sept. 6, 2023 | KIRBY CORP | $KEX | Grzebinski David W | President & CEO | M | Common Stock, par value $0.10 per share | 26634 | $68.50 | 95,640.0000 | 60,329,000 | 38.60% | 0.04% |
| Sept. 6, 2023 | KIRBY CORP | $KEX | Grzebinski David W | President & CEO | M | Employee Stock Options (Right to Buy) | 26634 | $0.00 | 0.0000 | 60,329,000 | 100.00% | 0.04% |
| Sept. 1, 2023 | KIRBY CORP | $KEX | Grzebinski David W | President & CEO | S | Common Stock, par value $0.10 per share | 5000 | $83.56 | 69,006.0000 | 60,329,000 | 6.76% | 0.01% |
| July 3, 2023 | KIRBY CORP | $KEX | Grzebinski David W | President & CEO | S | Common Stock, par value $0.10 per share | 4000 | $76.69 | 74,006.0000 | 60,329,000 | 5.13% | 0.01% |
| June 6, 2023 | KIRBY CORP | $KEX | Grzebinski David W | President & CEO | G | Common Stock, par value $0.10 per share | 1000 | $0.00 | 78,006.0000 | 60,329,000 | 1.27% | 0.00% |
| June 1, 2023 | KIRBY CORP | $KEX | Grzebinski David W | President & CEO | S | Common Stock, par value $0.10 per share | 3000 | $71.81 | 79,006.0000 | 60,329,000 | 3.66% | 0.00% |
| April 3, 2023 | KIRBY CORP | $KEX | Grzebinski David W | President & CEO | S | Common Stock, par value $0.10 per share | 2000 | $69.65 | 82,006.0000 | 60,329,000 | 2.38% | 0.00% |
| March 1, 2023 | KIRBY CORP | $KEX | Grzebinski David W | President & CEO | S | Common Stock, par value $0.10 per share | 3000 | $72.47 | 84,006.0000 | 60,329,000 | 3.45% | 0.00% |
| Feb. 3, 2023 | KIRBY CORP | $KEX | Grzebinski David W | President & CEO | M | Common Stock, par value $0.10 per share | 6820 | $0.00 | 89,690.0000 | 60,329,000 | 8.23% | 0.01% |
| Feb. 3, 2023 | KIRBY CORP | $KEX | Grzebinski David W | President & CEO | M | Restricted Stock Units | 6820 | $0.00 | 27,280.0000 | 60,329,000 | 20.00% | 0.01% |
| Feb. 3, 2023 | KIRBY CORP | $KEX | Grzebinski David W | President & CEO | F | Common Stock, par value $0.10 per share | 2684 | $73.97 | 87,006.0000 | 60,329,000 | 2.99% | 0.00% |
| Feb. 1, 2023 | KIRBY CORP | $KEX | Grzebinski David W | President & CEO | A | Restricted Stock Units | 32860 | $0.00 | 32,860.0000 | 60,329,000 | 9999.99% | 0.05% |
| Jan. 24, 2023 | KIRBY CORP | $KEX | Grzebinski David W | President & CEO | M | Restricted Stock Units | 3763 | $0.00 | 7,526.0000 | 60,329,000 | 33.33% | 0.01% |
| Jan. 24, 2023 | KIRBY CORP | $KEX | Grzebinski David W | President & CEO | M | Restricted Stock Units | 3571 | $0.00 | 3,571.0000 | 60,329,000 | 50.00% | 0.01% |
| Jan. 24, 2023 | KIRBY CORP | $KEX | Grzebinski David W | President & CEO | M | Restricted Stock Units | 3264 | $0.00 | 0.0000 | 60,329,000 | 100.00% | 0.01% |
| Jan. 23, 2023 | KIRBY CORP | $KEX | Grzebinski David W | President & CEO | M | Employee Stock Options (Right to Buy) | 35235 | $0.00 | 0.0000 | 60,329,000 | 100.00% | 0.06% |
| Jan. 24, 2023 | KIRBY CORP | $KEX | Grzebinski David W | President & CEO | M | Restricted Stock Units | 8150 | $0.00 | 24,450.0000 | 60,329,000 | 25.00% | 0.01% |
| Jan. 24, 2023 | KIRBY CORP | $KEX | Grzebinski David W | President & CEO | M | Common Stock, par value $0.10 per share | 18748 | $0.00 | 90,250.0000 | 60,329,000 | 26.22% | 0.03% |
| Jan. 23, 2023 | KIRBY CORP | $KEX | Grzebinski David W | President & CEO | F | Common Stock, par value $0.10 per share | 30991 | $64.27 | 71,502.0000 | 60,329,000 | 30.24% | 0.05% |
| Jan. 23, 2023 | KIRBY CORP | $KEX | Grzebinski David W | President & CEO | M | Common Stock, par value $0.10 per share | 35235 | $51.23 | 102,493.0000 | 60,329,000 | 52.39% | 0.06% |
| Jan. 24, 2023 | KIRBY CORP | $KEX | Grzebinski David W | President & CEO | F | Common Stock, par value $0.10 per share | 7380 | $64.67 | 82,870.0000 | 60,329,000 | 8.18% | 0.01% |