Kirby Corp (NYSE: KEX) EVP Husted vests RSUs and withholds shares

Rhea-AI Filing Summary

Kirby Corp executive Amy D. Husted reported routine equity compensation activity. On February 3, 2026, she acquired 7,319 shares of common stock through the vesting and settlement of restricted stock units at $0 per share.

To cover tax obligations, 2,882 shares of common stock were withheld at a price of $120.68 per share, leaving Husted with 17,814 common shares held directly after the transactions. Multiple restricted stock unit grants continue to vest annually, each giving a right to cash or one share of Kirby common stock, at the company’s election.

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^*

Husted Amy D.

(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 General Counsel & Sec

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		7,319	A	$0(1)	20,696	D
Common Stock, par value $0.10 per share	02/03/2026		F		2,882	D	$120.68	17,814	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			2,273	(2)	(2)	Common Stock	2,273	$0	2,273	D
Restricted Stock Units	(1)	02/03/2026		M			2,219	(3)	(3)	Common Stock	2,219	$0	4,438	D
Restricted Stock Units	(1)	02/03/2026		M			1,911	(4)	(4)	Common Stock	1,911	$0	5,733	D
Restricted Stock Units	(1)	02/03/2026		M			916	(5)	(5)	Common Stock	916	$0	3,664	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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FAQ

What insider transaction did Amy D. Husted report at Kirby Corp (KEX)?

Amy D. Husted reported vesting of restricted stock units converting into 7,319 Kirby common shares on February 3, 2026. These shares came from previously granted RSUs that settled at $0 per share as part of her equity compensation.

How many Kirby Corp (KEX) shares does Amy D. Husted hold after this Form 4?

After the reported transactions, Amy D. Husted directly holds 17,814 shares of Kirby common stock. This balance reflects both the 7,319 shares acquired from RSU vesting and the 2,882 shares withheld to satisfy tax obligations.

Why were 2,882 Kirby Corp (KEX) shares reported with code F on the Form 4?

The 2,882 Kirby shares marked with transaction code F were withheld to cover taxes related to the RSU vesting. They were priced at $120.68 per share, a common structure for share withholding in equity compensation programs.

What does transaction code M signify in Amy D. Husted’s Kirby Corp (KEX) filing?

Transaction code M indicates the exercise or settlement of derivative securities, here restricted stock units. On February 3, 2026, multiple RSU tranches converted into Kirby common stock at $0 per share as they reached their scheduled vesting dates.

How do Amy D. Husted’s Kirby Corp (KEX) restricted stock units vest over time?

Her restricted stock units generally vest in five equal annual installments, with grants from 2022, 2023, 2024, and 2025 each starting to vest one year after grant. On each vesting date, Kirby may deliver cash or shares at its election.

What is Amy D. Husted’s role at Kirby Corp (KEX) mentioned in the Form 4?

Amy D. Husted is identified as an Executive Vice President, General Counsel and Secretary of Kirby Corp. The reported RSU vesting and related share withholding are part of her executive equity compensation program, rather than an open-market stock purchase.