Antonio R. Sanchez Jr. - 14 Aug 2025 Form 4 Insider Report for INTERNATIONAL BANCSHARES CORP (IBOC)

Reporting relationship: Director, 10%+ Owner
Issuer ticker: IBOC
Reported as of: 14 Aug 2025
Net transaction value: -$8,311,200
SEC form: 4
Accepted by SEC: 15 Aug 2025, 17:25:53 UTC
Prior SEC filing: 19 Dec 2024
Source filing: View source filing
Reporting owner signature: /s/ ANTONIO R. SANCHEZ JR.

Key filing fact

Antonio R. Sanchez Jr. filed Form 4 for INTERNATIONAL BANCSHARES CORP (IBOC) on 15 Aug 2025.

Key facts

This page summarizes Antonio R. Sanchez Jr.'s Form 4 filing for INTERNATIONAL BANCSHARES CORP (IBOC).
2 reported transactions and 0 derivative rows are listed below.
Accepted by SEC: 15 Aug 2025, 17:25.

Change

Previous filing in this sequence was filed on 19 Dec 2024.
Current net transaction value: -$8,311,200.

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 0001060529 Primary reporting owner

SANCHEZ ANTONIO R JR

Relationship: Director, 10%+ Owner
Address: P.O. BOX 2986, LAREDO
Signature: /s/ ANTONIO R. SANCHEZ JR.
Signature date: 14 Aug 2025

Reported non-derivative transactions

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

IBOC transaction

Common Stock

Sale

Transaction value: $5,586,400
Shares: -80,000
Change %: -14%
Price: $69.83
Shares after: 487,439
Date: 14 Aug 2025
Ownership: Held in Partnership
Footnotes: F1

IBOC transaction

Common Stock

Sale

Transaction value: $2,724,800
Shares: -40,000
Change %: -8.2%
Price: $68.12
Shares after: 447,439
Date: 15 Aug 2025
Ownership: Held in Partnership
Footnotes: F2

IBOC holding

Common Stock

No transaction description listed

Transaction value
Shares
Change %
Price
Shares after: 1,805,554
Date: 14 Aug 2025
Ownership: Direct

IBOC holding

Common Stock

No transaction description listed

Transaction value
Shares
Change %
Price
Shares after: 1,232,245
Date: 14 Aug 2025
Ownership: Held in Trust

IBOC holding

Common Stock

No transaction description listed

Transaction value
Shares
Change %
Price
Shares after: 9,000
Date: 14 Aug 2025
Ownership: Held by Grandchildren's Trust

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

Additional SEC filing notes

Filing notes and footnotes

Explanation of responses 2 footnotes

Footnote F1

This transaction was executed in multiple trades at prices ranging from $69.19 to $70.35. The price reported above reflects the weighted average sale price. Upon request, the reporting person hereby undertakes to provide to the SEC staff, the issuer, or a security holder of the issuer, full information regarding the number of shares and prices at which the transaction was effected.

Footnote F2

This transaction was executed in multiple trades at prices ranging from $67.73 to $69.09. The price reported above reflects the weighted average sale price. Upon request, the reporting person hereby undertakes to provide to the SEC staff, the issuer, or a security holder of the issuer, full information regarding the number of shares and prices at which the transaction was effected.