Filing Manager
Fourthstone LLC
Reporting Manager
Fourthstone LLC
Symbol
ISTR
Shares outstanding
9,816,530 shares
Disclosed Ownership
695,992 shares
Ownership
7.1%
Form type
SCHEDULE 13G
Filing time
13 Feb 2026, 16:11:12 UTC
Date of event
31 Dec 2025

Reporting Managers (6)

Name Ownership Shares Owned sole voting power shared voting power Signature Title CIK
Fourthstone LLC 7.1% 695,992 0 695,992 Amy M. Stone Chief Executive Officer
Fourthstone Master Opportunity Fund Ltd 5.6% 549,944 0 549,944 Amy M. Stone Chief Executive Officer
Fourthstone GP LLC 1.5% 146,048 0 146,048 L. Phillip Stone, IV Managing Member of Fourthstone GP LLC
Fourthstone QP Opportunity Fund LP 1.5% 144,396 0 144,396 Amy M. Stone Chief Executive Officer
Fourthstone Small-Cap Financials Fund LP 0.02% 1,652 0 1,652 Amy M. Stone Chief Executive Officer
L. Phillip Stone, IV 7.1% 695,992 0 695,992 L. Phillip Stone, IV Self, Principal owner of Fourthstone LLC