SEC Filing | Kirby Corporation

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SEC FORM 3SEC Form 3

FORM 3

UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

INITIAL STATEMENT OF BENEFICIAL OWNERSHIP OF SECURITIES

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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1. Name and Address of Reporting Person^*

Chia Donny

(Last)

(First)

(Middle)

55 WAUGH DR

SUITE 1000

(Street)

HOUSTON

77007

(City)

(State)

(Zip)

2. Date of Event Requiring Statement (Month/Day/Year)
08/14/2026

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

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

	Director	10% Owner
	Officer (give title below)	Other (specify below)
VP Finance and IR

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

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

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

Table I - Non-Derivative Securities Beneficially Owned
1. Title of Security (Instr. 4)	2. Amount of Securities Beneficially Owned (Instr. 4)	3. Ownership Form: Direct (D) or Indirect (I) (Instr. 5)	4. Nature of Indirect Beneficial Ownership (Instr. 5)

Table II - Derivative Securities Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 4)	2. Date Exercisable and Expiration Date (Month/Day/Year)		3. Title and Amount of Securities Underlying Derivative Security (Instr. 4)		4. Conversion or Exercise Price of Derivative Security	5. Ownership Form: Direct (D) or Indirect (I) (Instr. 5)	6. Nature of Indirect Beneficial Ownership (Instr. 5)
1. Title of Derivative Security (Instr. 4)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares	4. Conversion or Exercise Price of Derivative Security	5. Ownership Form: Direct (D) or Indirect (I) (Instr. 5)	6. Nature of Indirect Beneficial Ownership (Instr. 5)
Restricted Stock Units	⁽¹⁾	⁽¹⁾	Common Stock	2,530	⁽²⁾	D
Restricted Stock Units	⁽³⁾	⁽³⁾	Common Stock	425	⁽²⁾	D

Explanation of Responses:

1. These restricted stock units granted on February 5, 2026, vest in five equal annual installments beginning on February 21, 2027. 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.

2. Each restricted stock unit represents a contingent right to receive cash or one share of common stock of the issuer.

3. These restricted stock units granted on March 6, 2026, vest in five equal annual installments beginning on March 6, 2027. 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.

Remarks:

Exhibit List: Exhibit 24 - Power of Attorney.

	Ronald A. Dragg, Agent and Attorney-in-Fact	08/20/2026
	** 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 5 (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.

EX-24

POWER OF ATTORNEY

The undersigned hereby constitutes and appoints each of David W.

Grzebinski, Raj Kumar and Ronald A. Dragg, each with the authority to act alone,

as the undersigned's true and lawful attorney-in-fact to:

execute on behalf of the undersigned in the undersigned's capacity

as an officer and/or director of Kirby Corporation (the “Company”),

Forms 3, 4 and 5 in accordance with Section 16(a) of the Securities

Exchange Act of 1934 and the rules thereunder;

take any and all actions on behalf of the undersigned that may be

necessary or desirable to complete and execute any such Form 3, 4 or

5, complete and execute any amendment to such form and timely file

such form with the United States Securities and Exchange Commission

and any stock exchange or similar authority; and

take any other action of any kind in connection with the foregoing

that, in the opinion of such attorney-in-fact, may be of benefit to,

in the best interest of, or legally required of, the undersigned,

with the documents executed by such attorney-in-fact on behalf of

the undersigned pursuant to this Power of Attorney to be in such

form and contain such terms and conditions as such attorney-in-fact

may approve in his or her discretion.

The undersigned grants to each such attorney-in-fact full power and

authority to take such actions as may be necessary or proper in the exercise of

the authority herein granted, as fully as the undersigned could if acting

personally, with full power of substitution or revocation, hereby ratifying and

confirming all that such attorney-in-fact, or such attorney-in-fact's substitute

or substitutes, shall lawfully do or cause to be done pursuant to this Power of

Attorney. The undersigned acknowledges that the foregoing attorneys-in-fact, in

serving in such capacity at the request of the undersigned, are not assuming,

nor is the Company assuming, any of the undersigned's responsibilities to comply

with Section 16 of the Securities Exchange Act of 1934.

In addition, the undersigned hereby constitutes and appoints each of Ronald

Dragg and Christopher C. Rozakeas to:

act as an account administrator for the undersigned’s EDGAR

account, including: (i) appoint, remove and replace account

administrators, account users, technical administrators and delegated

entities; (ii) maintain the security of the undersigned’s EDGAR

account, including modification of access codes; (iii) maintain,

modify and certify the accuracy of information on the undersigned’s

EDGAR account dashboard; (iv) act as the EDGAR point of contact with

respect to the undersigned’s EDGAR account; and (v) any other actions

contemplated by Rule 10 of Regulation S-T with respect to account

administrators;

cause the Company to accept a delegation of authority from any of the

undersigned’s EDGAR account administrators and, pursuant to that

delegation, authorize the Company’s EDGAR account administrators to

appoint, remove or replace users for the undersigned’s EDGAR account;

This Power of Attorney shall remain in full force and effect until the

undersigned is no longer required to file Forms 3, 4 and 5 with respect to the

undersigned's holdings of and transactions in securities issued by the Company,

unless earlier revoked by the undersigned in a signed writing delivered to the

attorneys-in-fact. The undersigned hereby revokes any previous powers of

attorney granted by the undersigned relating to the same subject matter as this

Power of Attorney.

DATED August 17, 2026

/s/ Donny Chia

---------------------------------------

Signature

Donny Chia