When do Donny Chia’s 425-share RSUs in KEX begin vesting?

The RSUs tied to 425 underlying shares were granted on March 6, 2026 and vest in five equal annual installments starting on March 6, 2027. Settlement on each vesting date will be in cash or shares, at Kirby’s election.

Kirby VP Donny Chia reports 2,530 and 425 RSUs

Q: Who is the reporting insider in KIRBY CORP (KEX)'s latest Form 3?

The reporting insider is Donny Chia, who serves as Vice President Finance and Investor Relations at KIRBY CORP. The Form 3 discloses his initial holdings of restricted stock units tied to Kirby common stock.

Q: What restricted stock unit holdings does Donny Chia report for KEX?

Donny Chia reports two RSU awards representing 2,530 and 425 underlying shares of KIRBY CORP common stock. Each RSU gives a contingent right to receive either cash or one share of common stock, at the company’s election upon vesting.

Q: When do Donny Chia’s 2,530-share RSUs in KEX begin vesting?

The RSUs linked to 2,530 underlying shares were granted on February 5, 2026 and vest in five equal annual installments beginning on February 21, 2027. On each vesting date, Kirby may deliver cash or shares to settle the vested units.

KIRBY CORP (KEX) reported the initial equity holdings of officer Donny Chia, Vice President Finance and Investor Relations, on a Form 3.

Filing Impact

(Neutral)

Filing Sentiment

(Neutral)How Sentiment works

Sentiment and the balance of points

Rhea-AI Sentiment reads the wording of the document, how positive or negative its language is on a 1 to 5 scale. The balance of points shown with the takes weighs what the document actually discloses, so the two can disagree, for example when a trial that missed its main goal is described in upbeat language.

How Sentiment works How the balance works

Form Type

Rhea-AI Filing Summary

KIRBY CORP (KEX) reported the initial equity holdings of officer Donny Chia, Vice President Finance and Investor Relations, on a Form 3. The filing lists two grants of restricted stock units (RSUs) that each represent a contingent right to receive cash or one share of Kirby common stock per unit.

One RSU award covers 2,530 underlying shares of common stock, granted on February 5, 2026, and vesting in five equal annual installments beginning February 21, 2027. A second RSU award covers 425 underlying shares, granted March 6, 2026, vesting in five equal annual installments beginning March 6, 2027. For each vesting date, Kirby may settle the RSUs in cash or shares at its election.

Insider Trade Summary

2 transactions reported

Mixed 2 txns

Insider Chia Donny

Role VP Finance and IR

Type	Security	Shares	Price	Value
holding	Restricted Stock Units ^{F2, F1}	--	--	--
holding	Restricted Stock Units ^{F2, F3}	--	--	--

Holdings After Transaction: Restricted Stock Units — 2,955 contracts (Direct)

Footnotes (3)

F1. 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.
F2. Each restricted stock unit represents a contingent right to receive cash or one share of common stock of the issuer.
F3. 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.

Key Figures

Underlying shares RSU grant 1: 2,530 shares Underlying shares RSU grant 2: 425 shares Vesting schedule grant 1: 5 annual installments +2 more

5 metrics

Underlying shares RSU grant 1 2,530 shares Restricted stock units granted February 5, 2026, representing underlying common stock

Underlying shares RSU grant 2 425 shares Restricted stock units granted March 6, 2026, representing underlying common stock

Vesting schedule grant 1 5 annual installments RSUs granted February 5, 2026 vest in five equal annual installments beginning February 21, 2027

Vesting schedule grant 2 5 annual installments RSUs granted March 6, 2026 vest in five equal annual installments beginning March 6, 2027

Settlement per RSU Cash or 1 share Each restricted stock unit provides a contingent right to cash or one share of common stock

Key Terms

Restricted Stock Units, contingent right, vest in five equal annual installments

3 terms

Restricted Stock Units financial

"These restricted stock units granted on February 5, 2026, vest in five equal annual installments"

Restricted stock units are a type of company reward where employees are promised shares of stock, but they only fully own these shares after meeting certain conditions, like staying with the company for a set time. They matter because they can become valuable assets and are often used to motivate employees to help the company succeed.

contingent right financial

"Each restricted stock unit represents a contingent right to receive cash or one share"

vest in five equal annual installments financial

"vest in five equal annual installments beginning on February 21, 2027"

FAQ

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

Who is the reporting insider in KIRBY CORP (KEX)'s latest Form 3?

The reporting insider is Donny Chia, who serves as Vice President Finance and Investor Relations at KIRBY CORP. The Form 3 discloses his initial holdings of restricted stock units tied to Kirby common stock.

What restricted stock unit holdings does Donny Chia report for KEX?

Donny Chia reports two RSU awards representing 2,530 and 425 underlying shares of KIRBY CORP common stock. Each RSU gives a contingent right to receive either cash or one share of common stock, at the company’s election upon vesting.

How can Donny Chia’s RSUs in KEX be settled at vesting?

Each restricted stock unit represents a contingent right to receive cash or one share of KIRBY CORP common stock. On or as soon as practicable after each vesting date, Kirby may choose to settle the RSUs in either form for the reporting person.

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

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Available on EDGAR 08/20/2026 - 01:19 PM Accepted by SEC EDGAR 08/20/2026 - 01:19 PM

SEC 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

OMB APPROVAL

OMB Number:			3235-0104
Estimated average burden
hours per response:			0.5

1. Name and Address of Reporting Person^*

Chia Donny

(Last)

(First)

(Middle)

55 WAUGH DR

SUITE 1000

(Street)

HOUSTON

TEXAS

77007

(City)

(State)

(Zip)

UNITED STATES

(Country)

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

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

3a. Foreign Trading Symbol

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

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

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

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 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.
* Form 3: SEC 1473 (03-26)

Source: View Original Filing on SEC EDGAR