Scott P. Miller - 03 Feb 2026 Form 4 Insider Report for KIRBY CORP (KEX)

Reporting relationship: VP - CIO
Issuer ticker: KEX
Reported as of: 03 Feb 2026
Net transaction value: -$158,211
SEC form: 4
Accepted by SEC: 05 Feb 2026, 21:10:38 UTC
Prior SEC filing: 03 Feb 2026
Next SEC filing: 11 Feb 2026
Source filing: View source filing
Reporting owner signature: Ronald A. Dragg, Agent and Attorney-in-Fact

Key filing fact

Scott P. Miller filed Form 4 for KIRBY CORP (KEX) on 05 Feb 2026.

Key facts

This page summarizes Scott P. Miller's Form 4 filing for KIRBY CORP (KEX).
6 reported transactions and 4 derivative rows are listed below.
Accepted by SEC: 05 Feb 2026, 21:10.

Change

Previous filing in this sequence was filed on 03 Feb 2026.
Current net transaction value: -$158,211.

Research use

This tells you what this filing adds before you inspect full transaction and derivative tables.
You can trace every row back to the original SEC filing document.

Evidence

Filed on Form 4

Ownership activity is grounded in SEC Form 4 disclosures.

View source filing

Reporting Owners (1)

CIK 0001662899 Primary reporting owner

MILLER SCOTT P

Relationship: VP - CIO
Address: 55 WAUGH DRIVE, SUITE 1000, HOUSTON
Signature: Ronald A. Dragg, Agent and Attorney-in-Fact
Signature date: 05 Feb 2026

Reported non-derivative transactions

Shares, units, or other non-derivative securities reported in this filing.

KEX transaction

Common Stock, par value $0.10 per share

Options Exercise

Transaction value: $0
Shares: +5,375
Change %: +155%
Price: $0.000000
Shares after: 8,836
Date: 03 Feb 2026
Ownership: Direct
Footnotes: F1

KEX transaction

Common Stock, par value $0.10 per share

Tax liability

Transaction value: $158,211
Shares: -1,311
Change %: -15%
Price: $120.68
Shares after: 7,525
Date: 03 Feb 2026
Ownership: Direct

Reported derivative securities

Options, warrants, convertible securities, or similar derivative positions disclosed in the filing.

KEX transaction Derivative

Restricted Stock Units

Options Exercise

Transaction value: $0
Shares: -1,591
Change %: -50%
Price: $0.000000
Shares after: 1,591
Date: 03 Feb 2026
Ownership: Direct
Underlying class: Common Stock
Underlying amount: 1,591
Exercise price
Footnotes: F1, F2

KEX transaction Derivative

Restricted Stock Units

Options Exercise

Transaction value: $0
Shares: -1,664
Change %: -33%
Price: $0.000000
Shares after: 3,328
Date: 03 Feb 2026
Ownership: Direct
Underlying class: Common Stock
Underlying amount: 1,664
Exercise price
Footnotes: F1, F3

KEX transaction Derivative

Restricted Stock Units

Options Exercise

Transaction value: $0
Shares: -1,433
Change %: -25%
Price: $0.000000
Shares after: 4,299
Date: 03 Feb 2026
Ownership: Direct
Underlying class: Common Stock
Underlying amount: 1,433
Exercise price
Footnotes: F1, F4

KEX transaction Derivative

Restricted Stock Units

Options Exercise

Transaction value: $0
Shares: -687
Change %: -20%
Price: $0.000000
Shares after: 2,748
Date: 03 Feb 2026
Ownership: Direct
Underlying class: Common Stock
Underlying amount: 687
Exercise price
Footnotes: F1, F5

^* marks a reported price that did not pass the local price check.

Additional SEC filing notes

Filing notes and footnotes

Explanation of responses 5 footnotes

Footnote F1

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

Footnote 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.

Footnote 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.

Footnote 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.

Footnote 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.