[Form 4] KIRBY CORP Insider Trading Activity

Rhea-AI Filing Summary

Kirby Corp (KEX) executive vice president, general counsel and secretary exercised employee stock options and sold common shares in the company. On 11/21/2025, the insider exercised 10,413 employee stock options with an exercise price of $73.93 per share, acquiring the same number of Kirby common shares.

On the same date, the insider reported a sale of 10,413 Kirby common shares at a weighted average price of $107.42 per share, with individual trades executed between $107.33 and $107.70 per share. Following these transactions, the insider directly beneficially owned 11,760 shares of Kirby common stock and held 0 employee stock options of this grant.

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^*

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)
11/21/2025

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	11/21/2025		M		10,413	A	$73.93	22,173	D
Common Stock, par value $0.10 per share	11/21/2025		S		10,413	D	$107.42(1)	11,760	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
Employee Stock Options (Right to Buy)	$73.93	11/21/2025		M			10,413	02/01/2022	02/01/2026	Common Stock	10,413	$0	0	D

Explanation of Responses:

1. The reported price is the weighted average sales price. The sales were at prices ranging from $107.33 to $107.70 per share. The reporting person will provide, upon request by the commission staff, full information regarding the number of shares sold at each separate price.

	Ronald A. Dragg, Agent and Attorney-in-Fact	11/24/2025
	** Signature of Reporting Person	Date
Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
* If the form is filed by more than one reporting person, see Instruction 4 (b)(v).
** Intentional misstatements or omissions of facts constitute Federal Criminal Violations See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.
Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB Number.

FAQ

What insider transaction did Kirby Corp (KEX) disclose in this Form 4?

The filing reports that the executive vice president, general counsel and secretary of Kirby Corp (KEX) exercised 10,413 employee stock options at $73.93 per share on 11/21/2025 and sold 10,413 common shares on the same date.

How many Kirby (KEX) shares did the insider sell and at what price?

The insider sold 10,413 shares of Kirby Corp common stock at a weighted average price of $107.42 per share, with trades executed between $107.33 and $107.70 per share.

What stock options were exercised by the Kirby (KEX) executive in this filing?

The insider exercised 10,413 employee stock options with a conversion or exercise price of $73.93 per share, originally exercisable from 02/01/2022 and expiring on 02/01/2026, into 10,413 shares of Kirby common stock.

How many Kirby (KEX) shares does the insider own after these transactions?

After the reported transactions on 11/21/2025, the executive directly beneficially owned 11,760 shares of Kirby Corp common stock.

What is the insiders relationship to Kirby Corp (KEX)?

The reporting person is an officer of Kirby Corp, serving as Executive Vice President, General Counsel & Secretary, and filed the Form 4 as a single reporting person.

How is the weighted average sale price explained in this Kirby (KEX) Form 4?

The filing states that the reported sale price of $107.42 per share is a weighted average sales price, and that the actual sales occurred at prices ranging from $107.33 to $107.70 per share, with full trade details available upon request.