Kirby Corp (KEX) VP reports RSU vesting and 696-share tax sale

Rhea-AI Filing Summary

Kirby Corp vice president and controller Ronald A. Dragg reported RSU vesting and related share transactions. On February 3, 2026, RSU conversions (code M) delivered 2,788 shares of common stock at $0 per share. A separate transaction (code F) transferred 696 shares at $120.68, typically used to cover taxes on vested awards. After these moves, Dragg directly beneficially owned 13,041 shares of Kirby common stock. Multiple RSU grants from 2022–2025 continue to vest in five equal annual installments, with each unit delivering either cash or one share at the issuer’s election on each vesting date.

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

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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^*

DRAGG RONALD 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)
	Vice President and Controller

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		2,788	A	$0(1)	13,737	D
Common Stock, par value $0.10 per share	02/03/2026		F		696	D	$120.68	13,041	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			758	(2)	(2)	Common Stock	758	$0	758	D
Restricted Stock Units	(1)	02/03/2026		M			763	(3)	(3)	Common Stock	763	$0	1,526	D
Restricted Stock Units	(1)	02/03/2026		M			717	(4)	(4)	Common Stock	717	$0	2,151	D
Restricted Stock Units	(1)	02/03/2026		M			550	(5)	(5)	Common Stock	550	$0	2,200	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	02/05/2026
	** Signature of Reporting Person	Date
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FAQ

What insider transaction did Kirby Corp (KEX) report for Ronald A. Dragg?

Kirby Corp reported that Ronald A. Dragg had restricted stock units vest on February 3, 2026, converting into 2,788 shares of common stock at $0. A related transaction moved 696 shares at $120.68, commonly associated with tax withholding on equity compensation.

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

After the reported transactions, Ronald A. Dragg directly beneficially owned 13,041 shares of Kirby Corp common stock. This figure reflects the 2,788 shares received from RSU vesting and the 696-share transaction reported the same day, as disclosed in the Form 4 table.

What are the key details of the RSU vesting for Kirby Corp (KEX) executive Ronald A. Dragg?

Ronald A. Dragg had several restricted stock unit grants vest on February 3, 2026. RSU blocks of 758, 763, 717, and 550 units converted into common stock at $0, with remaining RSUs continuing to vest annually over five-year schedules set in 2022, 2023, 2024, and 2025.

Why did Kirby Corp (KEX) report a transaction at $120.68 per share on this Form 4?

The Form 4 shows a transaction where 696 shares of common stock were transferred at $120.68 per share under transaction code F. Code F typically indicates shares withheld or delivered to satisfy tax obligations arising from the vesting of restricted stock units.

What roles and status does Ronald A. Dragg have at Kirby Corp (KEX)?

Ronald A. Dragg is identified as an officer of Kirby Corp, serving as vice president and controller. The Form 4 confirms he is not listed as a director or 10% owner, but reports transactions as a Section 16 reporting person subject to insider disclosure rules.

How do Kirby Corp (KEX) restricted stock units vest for Ronald A. Dragg?

Dragg’s RSUs granted in 2022, 2023, 2024, and 2025 each vest in five equal annual installments. On each vesting date, Kirby may deliver either cash or one share of common stock per unit, as soon as practicable after the scheduled vesting date.