Kirby VP Niemietz reports RSU vesting and share sale

Kirby Corp VP of Investor Relations and Treasurer Kurt A. Niemietz reported equity compensation activity involving company stock.

Rhea-AI Filing Summary

Kirby Corp VP of Investor Relations and Treasurer Kurt A. Niemietz reported equity compensation activity involving company stock. On February 3, 2026, several tranches of restricted stock units were converted into common shares at a stated price of $0 per unit.

These vested units, originally granted between 2022 and 2025, give the right to receive either cash or Kirby common stock, at the company’s election, on each vesting date. Following the conversions, 1,656 shares of common stock were acquired, and 693 shares were disposed of at $120.68 per share, typically reflecting shares withheld to cover taxes. After these transactions, Niemietz directly owned 2,194 shares of Kirby common stock.

Insider Trade Summary

1,656 shares exercised/converted

Exercise 6 txns

Insider Niemietz Kurt A.

Role VP IR & Treasurer

Type	Security	Shares	Price	Value
Exercise	Restricted Stock Units	455	$0.00	$0.00
Exercise	Restricted Stock Units	416	$0.00	$0.00
Exercise	Restricted Stock Units	418	$0.00	$0.00
Exercise	Restricted Stock Units	367	$0.00	$0.00
Exercise	Common Stock, par value $0.10 per share	1,656	$0.00	$0.00
Exercise Price or Tax Liability	Common Stock, par value $0.10 per share	693	$120.68	$84K

Holdings After Transaction: Restricted Stock Units — 4,009 contracts (Direct); Common Stock, par value $0.10 per share — 2,194 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.

FAQ

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What insider transaction did Kirby Corp (KEX) disclose for Kurt A. Niemietz?

Kirby Corp reported that VP IR & Treasurer Kurt A. Niemietz had restricted stock units vest and convert into common shares. On February 3, 2026, 1,656 shares were acquired through RSU conversion, with some shares later disposed of, leaving him with 2,194 directly owned shares.

How many Kirby Corp (KEX) shares does Kurt A. Niemietz own after this Form 4?

After the reported transactions, Kurt A. Niemietz directly owns 2,194 Kirby Corp common shares. This reflects 1,656 shares acquired from restricted stock unit conversions and 693 shares disposed of the same day, likely for tax withholding, as disclosed in the filing.

What types of securities were involved in Kurt A. Niemietz’s Kirby Corp (KEX) Form 4?

The filing involves both restricted stock units and common stock of Kirby Corp. Multiple RSU grants vested and converted into common shares at a stated price of $0, and a portion of the resulting common shares was then disposed of at $120.68 per share.

When did the reported Kirby Corp (KEX) insider transactions occur?

All reported transactions occurred on February 3, 2026. On that date, several tranches of restricted stock units vested and converted into common stock, and a portion of the newly acquired shares was disposed of, as reflected in Table I and Table II of the Form 4.

What do the restricted stock units in the Kirby Corp (KEX) Form 4 represent?

Each restricted stock unit represents a contingent right to receive cash or one Kirby common share. According to the footnotes, the company elects whether to settle in cash or shares on each vesting date, with grants vesting in five equal annual installments.

Over what period do Kurt A. Niemietz’s Kirby Corp (KEX) RSU grants vest?

The RSU grants vest in five equal annual installments from their respective start dates. Grants made in 2022, 2023, 2024, and 2025 begin vesting on February 3 of 2023, 2024, 2025, and 2026, respectively, with settlement in cash or shares at Kirby’s election.

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Accepted by SEC EDGAR 02/05/2026 - 09:12 PM Learn about SEC filing dates

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^*

Niemietz Kurt A.

(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)
	VP IR & Treasurer

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		1,656	A	$0(1)	2,887	D
Common Stock, par value $0.10 per share	02/03/2026		F		693	D	$120.68	2,194	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			455	(2)	(2)	Common Stock	455	$0	455	D
Restricted Stock Units	(1)	02/03/2026		M			416	(3)	(3)	Common Stock	416	$0	832	D
Restricted Stock Units	(1)	02/03/2026		M			418	(4)	(4)	Common Stock	418	$0	1,254	D
Restricted Stock Units	(1)	02/03/2026		M			367	(5)	(5)	Common Stock	367	$0	1,468	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
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