Kirby VP Woodruff vests RSUs, sells 475 shares

Kirby Corporation VP of Public and Government Affairs William Matthew Woodruff reported equity compensation activity involving company stock.

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Rhea-AI Filing Summary

Kirby Corporation VP of Public and Government Affairs William Matthew Woodruff reported equity compensation activity involving company stock. On February 3, 2026, multiple restricted stock unit awards were converted into common stock, resulting in the acquisition of 1,109 shares of Kirby common stock at a stated price of $0 per share.

On the same date, 475 common shares were disposed of at $120.68 per share. After these transactions, Woodruff directly beneficially owned 2,687 shares of Kirby common stock. He also continues to hold several blocks of restricted stock units that vest in five equal annual installments, with delivery of cash or shares on or around each vesting date.

Insider Trade Summary

1,109 shares exercised/converted

Exercise 6 txns

Insider Woodruff William Matthew

Role VP of Public and Govt Affairs

Type	Security	Shares	Price	Value
Exercise	Restricted Stock Units	303	$0.00	$0.00
Exercise	Restricted Stock Units	278	$0.00	$0.00
Exercise	Restricted Stock Units	299	$0.00	$0.00
Exercise	Restricted Stock Units	229	$0.00	$0.00
Exercise	Common Stock, par value $0.10 per share	1,109	$0.00	$0.00
Exercise Price or Tax Liability	Common Stock, par value $0.10 per share	475	$120.68	$57K

Holdings After Transaction: Restricted Stock Units — 2,672 contracts (Direct); Common Stock, par value $0.10 per share — 2,687 shares (Direct)

Footnotes (5)

F1. Each restricted stock unit represents a contingent right to receive cash or one share of common stock of the issuer.
F2. These restricted stock units granted on January 28, 2022, vest in five equal annual installments beginning on February 3, 2023. 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.
F3. These restricted stock units granted on February 1, 2023, vest in five equal annual installments beginning on February 3, 2024. 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.
F4. These restricted stock units granted on February 2, 2024, vest in five equal annual installments beginning on February 3, 2025. 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.
F5. These restricted stock units granted on January 31, 2025, vest in five equal annual installments beginning on February 3, 2026. 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

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What insider transaction did Kirby (KEX) VP William Matthew Woodruff report?

William Matthew Woodruff reported equity compensation transactions on February 3, 2026. Restricted stock units were converted into 1,109 Kirby common shares at a stated price of $0 per share, and 475 common shares were disposed of at $120.68 per share the same day.

How many Kirby common shares does VP Woodruff own after this Form 4?

After the reported transactions, William Matthew Woodruff directly beneficially owned 2,687 Kirby common shares. This figure reflects both the 1,109 shares acquired from restricted stock unit conversions and the 475 shares disposed of on February 3, 2026, as shown in the filing.

What restricted stock unit activity did Kirby VP Woodruff report?

Woodruff reported multiple restricted stock unit conversions on February 3, 2026, covering blocks of 303, 278, 299, and 229 units. Each unit represents a contingent right to receive cash or one Kirby common share, with delivery on or around scheduled annual vesting dates.

At what price were Kirby (KEX) shares disposed of in Woodruff’s transaction?

The Form 4 shows 475 Kirby common shares disposed of at $120.68 per share on February 3, 2026. This transaction reduced William Matthew Woodruff’s directly owned common shares to 2,687 following the completion of the reported acquisitions and dispositions.

How do William Matthew Woodruff’s restricted stock units vest at Kirby?

The restricted stock units vest in five equal annual installments starting on specified February vesting dates for each grant. On each vesting date, Kirby may deliver either cash or shares of common stock to Woodruff on or as soon as practicable after that date, at the company’s election.

What is William Matthew Woodruff’s role at Kirby Corporation?

According to the filing, William Matthew Woodruff serves as Kirby Corporation’s Vice President of Public and Government Affairs. The reported transactions reflect his equity compensation in the form of restricted stock units and related Kirby common share activity on February 3, 2026.

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Form 4 Insider Transactions: What Each Field Means →

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Accepted by SEC EDGAR 02/05/2026 - 09:16 PM

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^*

Woodruff William Matthew

(Last)

(First)

(Middle)

55 WAUGH DRIVE

SUITE 1000

(Street)

HOUSTON

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 of Public and Govt Affairs

3. Date of Earliest Transaction (Month/Day/Year)
02/03/2026

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)
1. Title of Security (Instr. 3)	2. Transaction Date (Month/Day/Year)	2A. Deemed Execution Date, if any (Month/Day/Year)	Code	V	Amount	(A) or (D)	Price		6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	7. Nature of Indirect Beneficial Ownership (Instr. 4)
Common Stock, par value $0.10 per share	02/03/2026		M		1,109	A	$0⁽¹⁾	3,162	D
Common Stock, par value $0.10 per share	02/03/2026		F		475	D	$120.68	2,687	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)
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)	Code	V	(A)	(D)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares	8. Price of Derivative Security (Instr. 5)		10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	11. Nature of Indirect Beneficial Ownership (Instr. 4)
Restricted Stock Units	⁽¹⁾	02/03/2026		M			303	⁽²⁾	⁽²⁾	Common Stock	303	$0	303	D
Restricted Stock Units	⁽¹⁾	02/03/2026		M			278	⁽³⁾	⁽³⁾	Common Stock	278	$0	556	D
Restricted Stock Units	⁽¹⁾	02/03/2026		M			299	⁽⁴⁾	⁽⁴⁾	Common Stock	299	$0	897	D
Restricted Stock Units	⁽¹⁾	02/03/2026		M			229	⁽⁵⁾	⁽⁵⁾	Common Stock	229	$0	916	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 28, 2022, vest in five equal annual installments beginning on February 3, 2023. 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.

3. These restricted stock units granted on February 1, 2023, vest in five equal annual installments beginning on February 3, 2024. 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.

4. These restricted stock units granted on February 2, 2024, vest in five equal annual installments beginning on February 3, 2025. 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.

5. These restricted stock units granted on January 31, 2025, vest in five equal annual installments beginning on February 3, 2026. 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	02/05/2026
	** 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.

Source: View Original Filing on SEC EDGAR

Kirby VP Woodruff vests RSUs, sells 475 shares

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