Kurt A. Niemietz - 03 Feb 2026 Form 4 Insider Report for KIRBY CORP (KEX)

Role: VP IR & Treasurer
Signature: Ronald A. Dragg, Agent and Attorney-in-Fact
Issuer symbol: KEX
Transactions as of: 03 Feb 2026
Net transactions value: -$83,631
Form type: 4
Filing time: 05 Feb 2026, 21:12:19 UTC
Previous filing: 27 Jan 2026
SEC: View on sec.gov

Reporting Owners (1)

Name	Relationship	Address	Signature	Signature date	CIK
Niemietz Kurt A.	VP IR & Treasurer	55 WAUGH DRIVE, SUITE 1000, HOUSTON	Ronald A. Dragg, Agent and Attorney-in-Fact	05 Feb 2026	0001772191

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	+1,656	+135%	$0.000000	2,887	03 Feb 2026	Direct	F1
transaction	KEX	Common Stock, par value $0.10 per share	Tax liability	$83,631	-693	-24%	$120.68	2,194	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	-455	-50%	$0.000000	455	03 Feb 2026	Common Stock	455		Direct	F1, F2
transaction	KEX	Restricted Stock Units	Options Exercise	$0	-416	-33%	$0.000000	832	03 Feb 2026	Common Stock	416		Direct	F1, F3
transaction	KEX	Restricted Stock Units	Options Exercise	$0	-418	-25%	$0.000000	1,254	03 Feb 2026	Common Stock	418		Direct	F1, F4
transaction	KEX	Restricted Stock Units	Options Exercise	$0	-367	-20%	$0.000000	1,468	03 Feb 2026	Common Stock	367		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.