David W. Grzebinski, CEO and Director of Kirby Corp, filed a Form 4 on November 4, 2026, disclosing the sale of 18,310 shares of Kirby Corp common stock on November 2, 2026.

Key Highlights

  • Reporting person: David W. Grzebinski, identified in the filing as CEO and Director of Kirby Corp (NYSE:KEX)
  • Shares disposed: 18,310 shares of Common Stock, par value $0.10 per share, sold on November 2, 2026
  • Weighted average price: $141.32 per share, with individual sales ranging from $140.12 to $143.05 per share
  • Transaction code: S (sale), reported as a direct disposition
  • Remaining beneficial ownership: 79,931 shares held directly following the reported transaction
  • Filing signed: by Ronald A. Dragg, Agent and Attorney-in-Fact, on November 4, 2026

Grzebinski Share Sale Details and Remaining Position at Kirby Corp

According to the Form 4 filed with the SEC on November 4, 2026, David W. Grzebinski, the CEO and a Director of Kirby Corp, disposed of 18,310 shares of Kirby Corp common stock (par value $0.10 per share) on November 2, 2026. The filing identifies the transaction as a direct sale using transaction code S. The reported price of $141.32 is described as a weighted average sales price.

The filing notes that the sales were executed at prices ranging from $140.12 to $143.05 per share, and that Grzebinski "will provide, upon request by the commission staff, full information regarding the number of shares sold at each separate price," according to the footnote in the filing. No transaction was reported in Table II covering derivative securities.

Following the reported sale, the filing discloses that Grzebinski beneficially owned 79,931 shares of Kirby Corp common stock directly. The Form 4 was signed by Ronald A. Dragg as Agent and Attorney-in-Fact on behalf of the reporting person. The filing does not indicate whether a Rule 10b5-1 trading plan was in effect for this transaction, as the corresponding checkbox on the form was not checked.

What Was Disclosed

Kirby Corp CEO David W. Grzebinski disclosed a direct sale of 18,310 shares of common stock on November 2, 2026, at a weighted average price of $141.32, leaving him with 79,931 shares of directly held beneficial ownership, per the Form 4 filed November 4, 2026.