Kirby (NYSE: KEX) VP CIO sells 3,960 shares at $120.68

Rhea-AI Filing Summary

Kirby Corporation VP and CIO Scott P. Miller sold 3,960 shares of common stock in an open-market transaction on 02/10/2026 at a weighted average price of $120.68 per share. The sales occurred within a price range of $120.63 to $120.93 per share.

Following this transaction, Miller directly holds 3,565 shares of Kirby common stock. The filing notes he will provide full information on the number of shares sold at each separate price within the range upon request by commission staff.

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^*

MILLER SCOTT P

(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 - CIO

3. Date of Earliest Transaction (Month/Day/Year)
02/10/2026

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	02/10/2026		S		3,960	D	$120.68(1)	3,565	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

Explanation of Responses:

1. The reported price is the weighted average sales price. The sales were at prices ranging from $120.63 to $120.93 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	02/11/2026
	** 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 (KEX) report for February 10, 2026?

Kirby reported that VP and CIO Scott P. Miller sold 3,960 shares of common stock on February 10, 2026. The transaction was an open-market sale at a weighted average price of $120.68 per share, according to the Form 4 filing.

At what prices did Kirby VP Scott P. Miller sell KEX shares?

The shares were sold at prices ranging from $120.63 to $120.93 per share. The weighted average sales price reported for the 3,960 shares was $120.68 per share, with full breakdown by price level available from the reporting person upon regulatory request.

How many Kirby (KEX) shares does Scott P. Miller own after the reported sale?

After selling 3,960 shares, Scott P. Miller beneficially owns 3,565 Kirby common shares directly. This post-transaction holding amount is disclosed in the Form 4 under the column for securities beneficially owned following the reported transaction.

What role does Scott P. Miller hold at Kirby Corporation (KEX)?

Scott P. Miller is an officer of Kirby Corporation, serving as Vice President and Chief Information Officer (VP - CIO). His role and officer title are explicitly identified in the Form 4 filing detailing the February 10, 2026 stock sale.

Was the Kirby (KEX) insider transaction a buy or a sell?

The transaction was a sale of shares. The Form 4 lists transaction code “S,” described as a sale in an open market or private transaction, and classifies the activity as an open-market sale of 3,960 shares of common stock.

Is Scott P. Miller’s Kirby (KEX) ownership direct or indirect after the sale?

His ownership is reported as direct after the sale. The Form 4 indicates 3,565 shares beneficially owned with an ownership form code of “D,” which denotes direct ownership of the Kirby common stock.