ISTR completes $113M WFB acquisition, issues $32.5M preferred stock, expands to north Texas

Filed March 16, 2026 · Period ending December 31, 2025 · Compared to 10-K Mar 12, 2025 · ~2 min read

Key Changes

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  Completed acquisition of Wichita Falls Bancshares (WFB) on Jan 1, 2026 for $113M, adding $1.2B in assets, $1.0B in loans, and $1.0B in deposits. Expands footprint to north Dallas and Wichita Falls, marking first acquisition since 2022.

  Business: Texas market expansion verify on EDGAR →
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  Issued $32.5M Series A Preferred Stock in July 2025 with 6.5% dividend rate. Restricts common dividends unless preferred dividends are current; convertible into ~1.5M common shares, creating 4% dilution in EPS calculation.

  Notes: Series A Preferred Stock verify on EDGAR →
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  Stockholders' equity jumped 25% from $241M to $301M, strengthening capital position to support acquisition activity. Branch network expanded from 29 to 36 locations across Louisiana, Texas, and Alabama markets.

  Business: stockholders' equity verify on EDGAR →