IBOC Form 144: Common Stock notice filed 05/21/2026

Issuer filed a Form 144 for Common Stock (NASDAQ).

Rhea-AI Filing Summary

Issuer filed a Form 144 for Common Stock (NASDAQ). The notice lists Common Stock associated with UBS Financial Services Inc., an address in Weehawken, NJ, and a filing date of 05/21/2026. The record shows prior open-market purchases of 5,000 shares on 11/13/2008 and 5,000 shares on 11/20/2008.

Key Figures

Form date: 05/21/2026 Prior purchase: 5,000 shares Prior purchase: 5,000 shares +3 more

6 metrics

Form date 05/21/2026 Form 144 filing date

Prior purchase 5,000 shares Open-market purchase on 11/13/2008

Prior purchase 5,000 shares Open-market purchase on 11/20/2008

Header numeric field 10,000 Numeric field shown in securities information header

Header numeric field 72,0000 Numeric field shown in securities information header

Header numeric field 62,181,244 Numeric field shown in securities information header

Key Terms

Form 144, OPEN MARKET PURCHASE, Rule 144 notice

3 terms

Form 144 regulatory

"Filer Information | | | 144: Filer Information"

Form 144 is a document that investors must file with the government when they plan to sell a large number of shares of a company's stock. It helps ensure transparency so everyone knows how many shares are being sold and when, which can impact the stock's price.

OPEN MARKET PURCHASE market

"COMMON STOCK | 11/13/2008 | OPEN MARKET PURCHASE"

An open market purchase is when a company buys its own shares on public stock exchanges the same way any investor would, rather than through a private deal. Investors care because these purchases reduce the number of shares available, can boost earnings per share and share price, signal that management thinks the stock is undervalued, and use company cash that might otherwise go to reinvestment or dividends — like a business quietly buying back its own tickets at the box office.

Rule 144 notice regulatory

"144: Securities To Be Sold"

A Rule 144 notice is a public filing that an insider or holder of restricted stock submits when they plan to sell shares that aren’t freely tradable yet; it lists how many shares they intend to sell and under what conditions. For investors, it matters because it signals potential insider selling and an upcoming increase in shares available to the market—similar to someone announcing a big garage sale, which can affect supply and price expectations.

FAQ

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

What does IBOC's Form 144 filed on 05/21/2026 report?

The Form 144 reports a Rule 144 notice for Common Stock on 05/21/2026. It lists UBS Financial Services Inc. as a broker address and records prior open-market purchases of 5,000 shares on 11/13/2008 and 5,000 shares on 11/20/2008.

How many shares are referenced in the filing for IBOC?

The excerpt references 5,000 shares purchased on 11/13/2008 and 5,000 shares purchased on 11/20/2008. The header also lists numeric fields including 10,000 and other figures, presented without explicit labels in the excerpt.

Which broker is named in the Form 144 for IBOC?

The filing shows UBS Financial Services Inc with an address at 1000 Harbor Blvd, 3rd Floor, Weehawken, NJ 07086 as the broker/dealer contact associated with the securities information in the excerpt.

Does the Form 144 excerpt state how the shares will be sold?

The excerpt lists prior transactions as OPEN MARKET PURCHASE and shows entries labeled COMMON STOCK. It does not provide a detailed plan of distribution or sale mechanics in the provided text.

Is the filing tied to a specific exchange for IBOC shares?

Yes; the excerpt includes the label NASDAQ, indicating the class of Common Stock referenced is associated with that exchange in the provided content.

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

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Accepted by SEC EDGAR 05/21/2026 - 12:06 PM EDT Learn about SEC filing dates

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	0001498441
Filer CCC	XXXXXXXX
Is this a LIVE or TEST Filing?	LIVE TEST
Submission Contact Information
Name
Phone
E-Mail Address

144: Issuer Information

Name of Issuer	International Bancshares Corp Texas
SEC File Number	000-09439
Address of Issuer	1200 San Bernardo Avenue Laredo TEXAS 78042
Phone	9567227611
Name of Person for Whose Account the Securities are To Be Sold	Norton Properties LTD
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	Board Member

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	UBS Financial Services Inc 1000 Harbor Blvd 3rd Floor Weehawken NJ 07086	10000	720000	62181244	05/21/2026	NASDAQ

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	11/13/2008	OPEN MARKET PURCHASE	OPEN MARKET			5000	11/13/2008	CASH
COMMON STOCK	11/20/2008	OPEN MARKET PURCHASE	OPEN MARKET			5000	11/20/2008	CASH

* 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

Nothing to Report

144: Remarks and Signature

Remarks	LARRY NORTON IS A BOARD MEMBER OF IBOC, NORTON PROPERTIES LTD IS THE SELLER
Date of Notice	05/21/2026
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	/s/JOSEPH CASSIDY, for UBS Financial Services Inc, as attorney-in-fact for Norton Properties LTD
ATTENTION: Intentional misstatements or omission of facts constitute Federal Criminal Violations (See 18 U.S.C. 1001)