Form 4: Kirby VP Exercises RSUs, Sells Shares for Tax

Kirby Corp's VP of Public and Government Affairs, William Matthew Woodruff, exercised restricted stock units and sold a portion of the resulting common stock to cover tax obligations.

Summary

• William Matthew Woodruff, VP of Public and Government Affairs at Kirby Corp (KEX), reported transactions on February 3, 2026, under a pre-planned Rule 10b5-1(c) contract.
• Woodruff acquired 1,109 shares of common stock through the exercise/conversion of restricted stock units (RSUs) at a price of $0.
• Concurrently, Woodruff disposed of 475 shares of common stock at a price of $120.68 to satisfy tax liabilities related to the RSU vesting.
• Following these transactions, Woodruff beneficially owns 2,687 shares of Kirby Corp common stock.
• The acquired shares resulted from the vesting of RSUs granted on January 28, 2022 (303 units), February 1, 2023 (278 units), February 2, 2024 (299 units), and January 31, 2025 (229 units), all vesting in five equal annual installments.

Sentiment

Score: 6

Explanation: StockSavvy.ai views this as a neutral event. It's a routine executive compensation transaction involving RSU vesting and tax-related share sales, with the executive retaining a substantial holding.

Positives

• The vesting of restricted stock units indicates the fulfillment of long-term incentive compensation for a key executive.
• The executive continues to hold a significant number of shares (2,687) after the transactions, aligning their interests with shareholders.

Negatives

• The sale of 475 shares, while for tax purposes, represents a reduction in the executive's direct ownership.

Future Outlook

This filing does not contain any forward-looking statements or guidance regarding the company's future performance.

Industry Context

StockSavvy.ai notes that the exercise of restricted stock units and subsequent sale of shares for tax withholding is a standard practice for executive compensation in many industries, including the marine transportation and industrial services sector where Kirby Corp operates. This transaction reflects a routine compensation event rather than a strategic move related to broader industry trends.

Stakeholder Impact

• Shareholders: The executive's continued beneficial ownership aligns their interests with shareholders, though a small portion of shares were sold for tax purposes.
• Employees: No direct impact on general employees is indicated by this filing.
• Customers/Suppliers/Creditors: No direct impact on these stakeholders is indicated by this filing.

Key Dates

Recommendation

This Form 4 filing details a routine executive compensation event involving the vesting of restricted stock units and a tax-related sale of shares. It does not provide new information about Kirby Corp's operational performance, financial health, or strategic direction that would warrant a change in investment recommendation. The executive retains a significant stake, indicating continued alignment with shareholder interests. Therefore, a 'hold' recommendation is appropriate as this filing alone does not present a compelling reason to alter an existing position.

Keywords

Kirby Corp, KEX, Form 4, Insider Trading, Restricted Stock Units, RSU Vesting, Executive Compensation, Stock Sale, Tax Withholding, William Matthew Woodruff