Kirby Corp (NYSE: KEX) investor files to sell 5,429 shares under Rule 144

Rhea-AI Filing Summary

Kirby Corp has a shareholder filing a notice under Rule 144 to sell up to 5,429 shares of common stock through Merrill Lynch on the NYSE, with an aggregate market value of $662,176.11.

The shares come from stock options originally acquired on January 31, 2020 and are scheduled for cash exercise and sale on February 4, 2026. The notice also reports that 2,715 Kirby common shares were sold in November 2025 for gross proceeds of $299,440.23. Kirby had 54,200,000 common shares outstanding when this notice was prepared.

Form 144 Filer Information	UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 144 NOTICE OF PROPOSED SALE OF SECURITIES PURSUANT TO RULE 144 UNDER THE SECURITIES ACT OF 1933
FORM 144

144: Filer Information

Filer CIK
Filer CCC
Is this a LIVE or TEST Filing?	LIVE TEST
Submission Contact Information
Name
Phone
E-Mail Address

144: Issuer Information

Name of Issuer

SEC File Number

Address of Issuer

Phone

Name of Person for Whose Account the Securities are To Be Sold

See the definition of "person" in paragraph (a) of Rule 144. Information is to be given not only as to the person for whose account the securities are to be sold but also as to all other persons included in that definition. In addition, information shall be given as to sales by all persons whose sales are required by paragraph (e) of Rule 144 to be aggregated with sales for the account of the person filing this notice.

Relationship to Issuer

144: Securities Information

Title of the Class of Securities To Be Sold	Name and Address of the Broker	Number of Shares or Other Units To Be Sold	Aggregate Market Value	Number of Shares or Other Units Outstanding	Approximate Date of Sale	Name the Securities Exchange
Common Stock	Merrill Lynch 800 Capitol Street Suite 1900 Houston TX 77002	5429	662176.11	54200000	02/04/2026	NYSE

Furnish the following information with respect to the acquisition of the securities to be sold and with respect to the payment of all or any part of the purchase price or other consideration therefor:

144: Securities To Be Sold

Title of the Class	Date you Acquired	Nature of Acquisition Transaction	Name of Person from Whom Acquired	Is this a Gift?	Date Donor Acquired	Amount of Securities Acquired	Date of Payment	Nature of Payment *
Common Stock	01/31/2020	Stock Option	Kirby Corp			2642	02/04/2026	Cash (exercise and sale)
Common Stock	01/31/2020	Stock Option	Kirby Corp			2787	02/04/2026	Cash (exercise and sale)

* If the securities were purchased and full payment therefor was not made in cash at the time of purchase, explain in the table or in a note thereto the nature of the consideration given. If the consideration consisted of any note or other obligation, or if payment was made in installments describe the arrangement and state when the note or other obligation was discharged in full or the last installment paid.

Furnish the following information as to all securities of the issuer sold during the past 3 months by the person for whose account the securities are to be sold.

144: Securities Sold During The Past 3 Months

Name and Address of Seller	Title of Securities Sold	Date of Sale	Amount of Securities Sold	Gross Proceeds
Merrill Lynch 800 Capitol Street Suite 1900 Houston TX 77002	Common Stock	11/13/2025	2715	299440.23

144: Remarks and Signature

Remarks

Date of Notice

ATTENTION:

The person for whose account the securities to which this notice relates are to be sold hereby represents by signing this notice that he does not know any material adverse information in regard to the current and prospective operations of the Issuer of the securities to be sold which has not been publicly disclosed. If such person has adopted a written trading plan or given trading instructions to satisfy Rule 10b5-1 under the Exchange Act, by signing the form and indicating the date that the plan was adopted or the instruction given, that person makes such representation as of the plan adoption or instruction date.

Signature

ATTENTION: Intentional misstatements or omission of facts constitute Federal Criminal Violations (See 18 U.S.C. 1001)

FAQ

What does the Kirby Corp (KEX) Form 144 filing disclose?

The Form 144 discloses a planned sale of 5,429 Kirby Corp common shares under Rule 144, with an aggregate market value of $662,176.11. The shares are linked to stock options originally acquired on January 31, 2020 and will be sold through Merrill Lynch on the NYSE.

How many Kirby Corp (KEX) shares are planned to be sold and at what value?

The notice covers a proposed sale of 5,429 Kirby Corp common shares, with an aggregate market value of $662,176.11. These shares are to be sold on the NYSE through Merrill Lynch, reflecting the filer’s intent to dispose of option-derived stock under Rule 144.

When will the Kirby Corp (KEX) Rule 144 share sale occur?

The approximate sale date for the 5,429 Kirby Corp common shares is listed as February 4, 2026. On that date, the filer plans to exercise stock options for cash and immediately sell the resulting shares on the NYSE through Merrill Lynch, subject to Rule 144 conditions.

What prior Kirby Corp (KEX) share sales are reported in this Form 144?

The filing reports that 2,715 Kirby Corp common shares were sold on November 13, 2025, generating gross proceeds of $299,440.23. This disclosure satisfies Rule 144 requirements to aggregate recent sales by the same seller when planning additional sales of restricted or control securities.

How many Kirby Corp (KEX) shares were outstanding when this Form 144 was filed?

The document states that 54,200,000 Kirby Corp common shares were outstanding at the time the notice was prepared. This figure provides context for evaluating the relative size of the proposed 5,429-share sale under Rule 144, which is very small compared with total shares outstanding.

What is the source of the Kirby Corp (KEX) shares being sold under Rule 144?

The shares come from stock options acquired on January 31, 2020 from Kirby Corp. The filer plans to use cash to exercise these options and immediately sell 2,642 shares in one block and 2,787 shares in another, totaling 5,429 common shares on February 4, 2026.