Kirby CEO granted 20,185 restricted stock units

Kirby Corp CEO David W. Grzebinski reported an equity award of 20,185 restricted stock units granted on January 30, 2026.

Rhea-AI Filing Summary

Kirby Corp CEO David W. Grzebinski reported an equity award of 20,185 restricted stock units granted on January 30, 2026. Each unit represents a contingent right to receive cash or one share of Kirby common stock. The award vests in five equal annual installments beginning February 3, 2027, with settlement in cash or shares at the company’s election on or soon after each vesting date.

Insider Trade Summary

Grant/Award: 20,185 shares

Grant/Award 1 txn

Insider Grzebinski David W

Role CEO

Type	Security	Shares	Price	Value
Grant/Award	Restricted Stock Units	20,185	$0.00	$0.00

Holdings After Transaction: Restricted Stock Units — 20,185 contracts (Direct)

Footnotes (2)

1. F1. Each restricted stock unit represents a contingent right to receive cash or one share of common stock of the issuer.
2. F2. These restricted stock units granted on January 30, 2026, vest in five equal annual installments beginning on February 3, 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.

FAQ

AI-generated questions and answers. How Rhea-AI works. Not financial advice.

What insider transaction did Kirby Corp (KEX) CEO report on this Form 4?

Kirby Corp CEO David W. Grzebinski reported receiving 20,185 restricted stock units on January 30, 2026. These derivative securities were acquired at a price of $0 per unit and are held directly, with 20,185 restricted stock units beneficially owned after the reported transaction.

How do the 20,185 Kirby (KEX) restricted stock units granted to the CEO work?

Each of the 20,185 restricted stock units represents a contingent right to receive either cash or one share of Kirby common stock. The issuer, not the executive, chooses whether settlement occurs in cash or shares when units vest and become deliverable to the reporting person.

What is the vesting schedule for Kirby (KEX) CEO David Grzebinski’s 20,185 RSUs?

The 20,185 restricted stock units granted on January 30, 2026, vest in five equal annual installments. Vesting begins on February 3, 2027, with cash or shares of Kirby common stock delivered on or as soon as practicable after each of those annual vesting dates.

Is the Kirby (KEX) CEO’s restricted stock unit award settled in cash or shares?

Settlement of the restricted stock units is determined by Kirby Corp. On each vesting date, the company may choose to deliver either cash or shares of common stock to David W. Grzebinski, providing flexibility in how the award is ultimately paid out.

How many Kirby (KEX) derivative securities does the CEO hold after this Form 4 transaction?

Following the January 30, 2026 grant, David W. Grzebinski beneficially owns 20,185 derivative securities in the form of restricted stock units. These are reported as directly owned and represent potential future cash or share delivery, subject to the specified vesting schedule.

What transaction code is used for the Kirby (KEX) CEO’s RSU grant on Form 4?

The transaction is coded "A" on Form 4, indicating an acquisition of derivative securities. The award consists of 20,185 restricted stock units granted to Kirby Corp CEO David W. Grzebinski at a price of $0 per unit, subject to multi-year vesting conditions.

AI-generated analysis. How Rhea-AI works. Not financial advice.

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Accepted by SEC EDGAR 02/03/2026 - 06:53 PM EST Learn about SEC filing dates

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^*

Grzebinski David W

(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)

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

3. Date of Earliest Transaction (Month/Day/Year)
01/30/2026

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

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)	01/30/2026		A		20,185		(2)	(2)	Common Stock	20,185	$0	20,185	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 30, 2026, vest in five equal annual installments beginning on February 3, 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.

	Ronald A. Dragg, Agent and Attorney-in-Fact	02/03/2026
	** 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.
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