[Form 4] KIRBY CORP Insider Trading Activity

Rhea-AI Filing Summary

Williams Shawn D. reported acquisition or exercise transactions in this Form 4 filing.

Kirby Corp director Shawn D. Williams received a stock award of 1,392 shares of common stock on May 4, 2026. The shares were granted at a price of $0.00 per share, indicating a compensation-related award rather than an open-market purchase. Following this grant, Williams directly owns 13,676 shares of Kirby Corp common stock.

Insider Trade Summary

1 transaction reported

Mixed 1 txn

Insider Williams Shawn D.

Role null

Type	Security	Shares	Price	Value
Grant/Award	Common Stock, par value $0.10 per share	1,392	$0.00	--

Holdings After Transaction: Common Stock, par value $0.10 per share — 13,676 shares (Direct, null)

Footnotes (1)

Key Figures

Stock grant size: 1,392 shares Grant price: $0.00 per share Post-grant holdings: 13,676 shares +1 more

4 metrics

Stock grant size 1,392 shares Common stock grant to director on May 4, 2026

Grant price $0.00 per share Reported value for the 1,392-share award

Post-grant holdings 13,676 shares Direct common stock owned after the transaction

Security par value $0.10 per share Par value of Kirby Corp common stock

Key Terms

Common Stock, par value $0.10 per share, Grant, award, or other acquisition, non-derivative, direct

4 terms

Common Stock, par value $0.10 per share financial

"security_title: Common Stock, par value $0.10 per share"

Grant, award, or other acquisition financial

"transaction_code_description: Grant, award, or other acquisition"

non-derivative financial

"transaction_type: non-derivative"

direct financial

"ownership_type: direct"

Form 4 Insider Transactions: What Each Field Means →

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^*

Williams Shawn D.

(Last) (First) (Middle)

55 WAUGH DRIVE

SUITE 1000

(Street)

HOUSTON TEXAS 77007

(City) (State) (Zip)

UNITED STATES

(Country)

2. Issuer Name and Ticker or Trading Symbol
KIRBY CORP [ KEX ]

5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)

X	Director		10% Owner
	Officer (give title below)		Other (specify below)

2a. Foreign Trading Symbol

3. Date of Earliest Transaction (Month/Day/Year)
05/04/2026

6. Individual or Joint/Group Filing (Check Applicable Line)

X	Form filed by One Reporting Person
	Form filed by More than One Reporting Person

4. If Amendment, Date of Original Filed (Month/Day/Year)

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	05/04/2026		A		1,392	A	$0	13,676	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:

	Ronald A. Dragg, Agent and Attorney-in-Fact	05/06/2026
	** 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.
* Form 4: SEC 1474 (03-26)

FAQ

What did Kirby Corp (KEX) director Shawn D. Williams report in this Form 4?

Director Shawn D. Williams reported receiving a grant of 1,392 shares of Kirby Corp common stock. The award was recorded at $0.00 per share, indicating a compensation-related stock grant instead of a market purchase.

How many Kirby Corp (KEX) shares did Shawn D. Williams receive in the latest grant?

Shawn D. Williams received 1,392 shares of Kirby Corp common stock. This grant increased his directly held position and was reported as a non-derivative acquisition under a grant or award transaction code on the Form 4.

What is Shawn D. Williams’ Kirby Corp (KEX) share ownership after this Form 4 transaction?

After the reported stock grant, Shawn D. Williams directly owns 13,676 shares of Kirby Corp common stock. This figure reflects his updated holdings immediately following the 1,392-share award disclosed in the Form 4.

Was the Kirby Corp (KEX) Form 4 transaction an open-market buy or a stock grant?

The Form 4 shows a stock grant, not an open-market buy. The transaction is coded as a grant, award, or other acquisition, with 1,392 shares received at a stated price of $0.00 per share.

What type of security did Shawn D. Williams acquire in the Kirby Corp (KEX) Form 4?

He acquired Kirby Corp common stock with a par value of $0.10 per share. The Form 4 classifies the transaction as a non-derivative acquisition through a grant or award, increasing his direct common share ownership.