William Matthew Woodruff - 03 Feb 2026 Form 4 Insider Report for KIRBY CORP (KEX)

Role: VP of Public and Govt Affairs
Signature: Ronald A. Dragg, Agent and Attorney-in-Fact
Issuer symbol: KEX
Transactions as of: 03 Feb 2026
Net transactions value: -$57,323
Form type: 4
Filing time: 05 Feb 2026, 21:16:32 UTC
Previous filing: 03 Feb 2026
Next filing: 11 Feb 2026
SEC: View on sec.gov

Reporting Owners (1)

Name	Relationship	Address	Signature	Signature date	CIK
Woodruff William Matthew	VP of Public and Govt Affairs	55 WAUGH DRIVE, SUITE 1000, HOUSTON	Ronald A. Dragg, Agent and Attorney-in-Fact	05 Feb 2026	0001721923

Transactions Table

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Ownership	Footnotes
transaction	KEX	Common Stock, par value $0.10 per share	Options Exercise	$0	+1,109	+54%	$0.000000	3,162	03 Feb 2026	Direct	F1
transaction	KEX	Common Stock, par value $0.10 per share	Tax liability	$57,323	-475	-15%	$120.68	2,687	03 Feb 2026	Direct

Derivative Securities (e.g., puts, calls, warrants, options, convertible securities)

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Underlying Class	Amount	Exercise Price	Ownership	Footnotes
transaction	KEX	Restricted Stock Units	Options Exercise	$0	-303	-50%	$0.000000	303	03 Feb 2026	Common Stock	303		Direct	F1, F2
transaction	KEX	Restricted Stock Units	Options Exercise	$0	-278	-33%	$0.000000	556	03 Feb 2026	Common Stock	278		Direct	F1, F3
transaction	KEX	Restricted Stock Units	Options Exercise	$0	-299	-25%	$0.000000	897	03 Feb 2026	Common Stock	299		Direct	F1, F4
transaction	KEX	Restricted Stock Units	Options Exercise	$0	-229	-20%	$0.000000	916	03 Feb 2026	Common Stock	229		Direct	F1, F5

* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id	Content
F1	Each restricted stock unit represents a contingent right to receive cash or one share of common stock of the issuer.
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.
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.
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.
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.