International Bancshares Ownership & Insider Activity

International Bancshares (IBOC) institutional and insider ownership, recent insider transactions and ownership breakdown.

Insiders own 4.9% of shares outstanding. Institutional investors hold 54.0%.

Shares Outstanding

62.192M

Shares Float

47.349M

Insider Shares Owned

3.046M

Insider % Owned

4.9%

Institutional Shares Held

33.608M

Institutional % Held

54.0%

Ownership Breakdown

Net Insider Activity by Month

International Bancshares Insider Transactions (Last 6 Months)

Date	Insider	Title	Type	Shares	Price	Value
May 21, 2026	LARRY A NORTON	—	SELL	10.000K	$72.00	$720K