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Kirby Corp (NYSE: KEX) CFO converts RSUs into stock and covers taxes with shares

(Moderate)
(Neutral)
Form Type
4

Rhea-AI Filing Summary

KIRBY CORP Executive Vice President and CFO Raj Kumar reported the vesting and conversion of restricted stock units into 5,458 shares of common stock on February 3, 2026. The company withheld 2,208 shares at $120.68 per share to satisfy tax obligations. After these transactions, he directly holds 7,494 shares of common stock and 13,157 restricted stock units.

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Insider Kumar Raj
Role Exec VP and CFO
Type Security Shares Price Value
Exercise Restricted Stock Units 1,455 $0.00 $0.00
Exercise Restricted Stock Units 1,498 $0.00 $0.00
Exercise Restricted Stock Units 1,314 $0.00 $0.00
Exercise Restricted Stock Units 1,191 $0.00 $0.00
Exercise Common Stock, par value $0.10 per share 5,458 $0.00 $0.00
Exercise Price or Tax Liability Common Stock, par value $0.10 per share 2,208 $120.68 $266K
Holdings After Transaction: Restricted Stock Units — 13,157 shares (Direct); Common Stock, par value $0.10 per share — 7,494 shares (Direct)
Footnotes (5)
  1. F1. Each restricted stock unit represents a contingent right to receive cash or one share of common stock of the issuer.
  2. F2. These restricted stock units granted on January 28, 2022, vest in five equal annual installments beginning on February 3, 2023. Cash or shares of common stock of the issuer, at the election of the issuer, will be delivered to the reporting person on or as soon as practicable on each vesting date.
  3. F3. These restricted stock units granted on February 1, 2023, vest in five equal annual installments beginning on February 3, 2024. Cash or shares of common stock of the issuer, at the election of the issuer, will be delivered to the reporting person on or as soon as practicable on each vesting date.
  4. F4. These restricted stock units granted on February 2, 2024, vest in five equal annual installments beginning on February 3, 2025. Cash or shares of common stock of the issuer, at the election of the issuer, will be delivered to the reporting person on or as soon as practicable on each vesting date.
  5. F5. These restricted stock units granted on January 31, 2025, vest in five equal annual installments beginning on February 3, 2026. Cash or shares of common stock of the issuer, at the election of the issuer, will be delivered to the reporting person on or as soon as practicable on each vesting date.
RSU-derived shares 5,458 shares Common stock received from restricted stock unit vesting on February 3, 2026
Tax-withheld shares 2,208 shares Shares withheld to satisfy tax obligations on February 3, 2026
Tax-withholding price $120.68 per share Price used for the 2,208-share tax-withholding disposition
Post-transaction common stock 7,494 shares Directly held KIRBY CORP common stock after the reported transactions
Post-transaction RSUs 13,157 units Directly held restricted stock units after the vesting and tax-withholding events
Restricted Stock Units financial
"Each restricted stock unit represents a contingent right to receive cash or one share of common stock"
Restricted stock units are a type of company reward where employees are promised shares of stock, but they only fully own these shares after meeting certain conditions, like staying with the company for a set time. They matter because they can become valuable assets and are often used to motivate employees to help the company succeed.
tax-withholding disposition financial
"transaction_action: tax-withholding disposition for 2,208 shares at $120.68 per share"
A tax-withholding disposition is an event or transaction—such as selling or transferring securities, exercising options, or receiving compensation—that triggers a requirement to hold back part of the payment and remit it to tax authorities. It matters to investors because it reduces the cash they receive immediately and can change the timing and amount of taxable income, like a cashier taking a portion of your sale proceeds to pay taxes before you get the rest.
derivative security financial
"transaction_code_description: Exercise or conversion of derivative security"
A derivative security is a financial contract whose value comes from the price or performance of something else, such as a stock, bond, commodity, or market index. For investors it acts like an insurance policy or a wager: it can be used to protect against losses, lock in prices, or amplify gains and losses, so it can change a portfolio’s risk and potential return without owning the underlying asset directly.

AI-generated analysis. How Rhea-AI works. Not financial advice.

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FAQ

What did KIRBY CORP (KEX) CFO Raj Kumar report in this Form 4?

Raj Kumar reported the vesting and conversion of restricted stock units into 5,458 KIRBY CORP common shares on February 3, 2026, with a portion of those shares withheld to cover tax obligations and the remainder increasing his directly held common stock position.

How many Kirby Corp (KEX) shares did Raj Kumar have withheld for taxes?

To cover tax obligations, 2,208 shares of KIRBY CORP common stock were withheld at a price of $120.68 per share. These shares relate to the vesting of restricted stock units and represent a tax-withholding disposition rather than an open market sale.

What are Raj Kumar’s post-transaction holdings in KIRBY CORP (KEX)?

Following the reported transactions, Raj Kumar directly holds 7,494 shares of KIRBY CORP common stock and 13,157 restricted stock units. These positions reflect his remaining equity stake after the vesting of restricted stock units and associated tax-withholding of some common shares.

What type of equity awards did Raj Kumar exercise at KIRBY CORP (KEX)?

Raj Kumar exercised multiple tranches of Restricted Stock Units, which each represent a contingent right to receive cash or one share of KIRBY CORP common stock. On February 3, 2026, those vested units converted into 5,458 common shares before tax-withholding.

Were Raj Kumar’s KIRBY CORP (KEX) transactions open market buys or sells?

The reported activity consists of restricted stock unit vesting and a tax-withholding disposition of 2,208 shares at $120.68 per share. The filing does not show open market purchases or sales; instead, it reflects equity compensation settlement and related tax withholding.
SEC Form 4
FORM 4 UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934
or Section 30(h) of the Investment Company Act of 1940
OMB APPROVAL
OMB Number: 3235-0287
Estimated average burden
hours per response: 0.5
Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).
Check this box to indicate that a transaction was made pursuant to a contract, instruction or written plan for the purchase or sale of equity securities of the issuer that is intended to satisfy the affirmative defense conditions of Rule 10b5-1(c). See Instruction 10.
1. Name and Address of Reporting Person*
Kumar Raj

(Last) (First) (Middle)
55 WAUGH DRIVE
SUITE 1000

(Street)
HOUSTON TX 77007

(City) (State) (Zip)
2. Issuer Name and Ticker or Trading Symbol
KIRBY CORP [ KEX ]
5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)
Director 10% Owner
X Officer (give title below) Other (specify below)
Exec VP and CFO
3. Date of Earliest Transaction (Month/Day/Year)
02/03/2026
4. If Amendment, Date of Original Filed (Month/Day/Year)
6. Individual or Joint/Group Filing (Check Applicable Line)
X Form filed by One Reporting Person
Form filed by More than One Reporting Person
Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
1. Title of Security (Instr. 3) 2. Transaction Date (Month/Day/Year) 2A. Deemed Execution Date, if any (Month/Day/Year) 3. Transaction Code (Instr. 8) 4. Securities Acquired (A) or Disposed Of (D) (Instr. 3, 4 and 5) 5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4) 6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4) 7. Nature of Indirect Beneficial Ownership (Instr. 4)
Code V Amount (A) or (D) Price
Common Stock, par value $0.10 per share 02/03/2026 M 5,458 A $0(1) 9,702 D
Common Stock, par value $0.10 per share 02/03/2026 F 2,208 D $120.68 7,494 D
Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned
(e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 3) 2. Conversion or Exercise Price of Derivative Security 3. Transaction Date (Month/Day/Year) 3A. Deemed Execution Date, if any (Month/Day/Year) 4. Transaction Code (Instr. 8) 5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5) 6. Date Exercisable and Expiration Date (Month/Day/Year) 7. Title and Amount of Securities Underlying Derivative Security (Instr. 3 and 4) 8. Price of Derivative Security (Instr. 5) 9. Number of derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4) 10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4) 11. Nature of Indirect Beneficial Ownership (Instr. 4)
Code V (A) (D) Date Exercisable Expiration Date Title Amount or Number of Shares
Restricted Stock Units (1) 02/03/2026 M 1,455 (2) (2) Common Stock 1,455 $0 1,455 D
Restricted Stock Units (1) 02/03/2026 M 1,498 (3) (3) Common Stock 1,498 $0 2,996 D
Restricted Stock Units (1) 02/03/2026 M 1,314 (4) (4) Common Stock 1,314 $0 3,942 D
Restricted Stock Units (1) 02/03/2026 M 1,191 (5) (5) Common Stock 1,191 $0 4,764 D
Explanation of Responses:
1. Each restricted stock unit represents a contingent right to receive cash or one share of common stock of the issuer.
2. These restricted stock units granted on January 28, 2022, vest in five equal annual installments beginning on February 3, 2023. Cash or shares of common stock of the issuer, at the election of the issuer, will be delivered to the reporting person on or as soon as practicable on each vesting date.
3. These restricted stock units granted on February 1, 2023, vest in five equal annual installments beginning on February 3, 2024. Cash or shares of common stock of the issuer, at the election of the issuer, will be delivered to the reporting person on or as soon as practicable on each vesting date.
4. These restricted stock units granted on February 2, 2024, vest in five equal annual installments beginning on February 3, 2025. Cash or shares of common stock of the issuer, at the election of the issuer, will be delivered to the reporting person on or as soon as practicable on each vesting date.
5. These restricted stock units granted on January 31, 2025, vest in five equal annual installments beginning on February 3, 2026. Cash or shares of common stock of the issuer, at the election of the issuer, will be delivered to the reporting person on or as soon as practicable on each vesting date.
Ronald A. Dragg, Agent and Attorney-in-Fact 02/05/2026
** Signature of Reporting Person Date
Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
* If the form is filed by more than one reporting person, see Instruction 4 (b)(v).
** Intentional misstatements or omissions of facts constitute Federal Criminal Violations See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
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