Kirby Corporation is a Nevada-based marine and industrial services company and the nation’s largest domestic tank barge operator. Through its marine transportation segment, it runs 1,105 inland tank barges with 24.5 million barrels of capacity, an average of 266 inland towboats, and 28 coastal tank barges with 2.9 million barrels of capacity as of December 31, 2025.
Kirby’s distribution and services segment supplies and services engines, transmissions, power systems and specialized equipment for commercial, industrial, power generation and oil and gas markets, generating $1,428,745,000 in 2025 revenue, with 83% from service and parts and 17% from manufacturing.
The company emphasizes long-term contracts in marine transportation, with inland term contracts rising to 70% of 2025 revenues and all coastal revenues under term contracts. As of June 30, 2025, the aggregate market value of common stock held by non-affiliates was $6.3 billion, and as of February 13, 2026, 53,646,000 common shares were outstanding.
Kirby Corp’s major institutional holders report reduced ownership stakes. Morgan Stanley now reports beneficial ownership of 2,537,671 shares of Kirby common stock, representing 4.7% of the class, while Atlanta Capital Management Company, LLC reports 2,149,970 shares, or 4.0%.
Both firms state they have ceased to be beneficial owners of more than five percent of Kirby’s common stock as of December 31, 2025. The filing notes the securities were acquired and are held in the ordinary course of business and not for the purpose of changing or influencing control of Kirby.
Kirby Corporation VP and CIO Scott P. Miller sold 3,960 shares of common stock in an open-market transaction on 02/10/2026 at a weighted average price of $120.68 per share. The sales occurred within a price range of $120.63 to $120.93 per share.
Following this transaction, Miller directly holds 3,565 shares of Kirby common stock. The filing notes he will provide full information on the number of shares sold at each separate price within the range upon request by commission staff.
Kirby Corp vice president William Matthew Woodruff, VP of Public and Govt Affairs, reported an open-market sale of 2,000 shares of Kirby common stock on February 9, 2026 at a weighted average price of $121.88 per share.
The filing notes that the individual sales occurred in a price range from $121.78 to $121.98 per share. After these transactions, Woodruff directly owned 687 shares of Kirby common stock.
Kirby Corporation common stock is the subject of a planned sale of 3,960 shares under a Form 144 notice. The shares are to be sold through Merrill Lynch on the NYSE, with an aggregate market value of $477,904.53 and 54,200,000 shares outstanding.
The securities were acquired as stock bonus compensatory payments from Kirby Corporation, including 1,461 shares acquired and paid on 01/24/2026 and 5,375 shares acquired and paid on 02/03/2026. The filer represents they are not aware of undisclosed material adverse information about Kirby’s operations.
Kirby Corporation has a Rule 144 notice covering the potential sale of 2,000 shares of its common stock through Merrill Lynch on the NYSE, with an aggregate market value of $243,766.04 and 54,200,000 shares of common stock reported as outstanding.
The shares to be sold were acquired as stock bonus awards from Kirby Corporation between 2023 and 2026, in multiple compensatory transactions ranging from 73 to 533 shares on specific grant dates.
Kirby Corporation vice president and controller Ronald A. Dragg reported an option exercise and share sale. On 02/04/2026 he exercised employee stock options for 2,787 shares of common stock at $73.29 per share. On the same day he sold 5,429 shares of common stock at $122 per share. Following these transactions, he directly owned 10,399 shares of Kirby common stock.
Kirby Corporation VP of Public and Government Affairs William Matthew Woodruff reported equity compensation activity involving company stock. On February 3, 2026, multiple restricted stock unit awards were converted into common stock, resulting in the acquisition of 1,109 shares of Kirby common stock at a stated price of $0 per share.
On the same date, 475 common shares were disposed of at $120.68 per share. After these transactions, Woodruff directly beneficially owned 2,687 shares of Kirby common stock. He also continues to hold several blocks of restricted stock units that vest in five equal annual installments, with delivery of cash or shares on or around each vesting date.
Kirby Corp has a shareholder filing a notice under Rule 144 to sell up to 5,429 shares of common stock through Merrill Lynch on the NYSE, with an aggregate market value of $662,176.11.
The shares come from stock options originally acquired on January 31, 2020 and are scheduled for cash exercise and sale on February 4, 2026. The notice also reports that 2,715 Kirby common shares were sold in November 2025 for gross proceeds of $299,440.23. Kirby had 54,200,000 common shares outstanding when this notice was prepared.
Kirby Corp’s President and COO O’Neil Christian G. reported equity compensation activity on February 3, 2026. He acquired 10,188 shares of common stock at $0 per share through the vesting and settlement of restricted stock units.
To cover taxes, 4,011 shares were disposed of at $120.68 per share, leaving him with 22,574 shares of Kirby common stock held directly. The filing also details multiple restricted stock unit grants that vest in five equal annual installments beginning between February 3, 2023 and February 3, 2026, delivering either cash or shares at the issuer’s election.