IBOC insider filings

INTERNATIONAL BANCSHARES CORP — 20 most recent insider filings (SEC Forms 3/4/5) from EDGAR, normalized by FilingPulse. Latest filing: 2026-05-22. Screen IBOC transaction legs live →

Insider transaction summary — last 90 days

No insider filings (Forms 3/4/5) for IBOC between 2026-07-10 and 2026-10-08. The table below lists the most recent filings on record.

Recent insider filings — INTERNATIONAL BANCSHARES CORP

FiledFormInsiderReported transactionsSource
2026-05-224Norton Larry A — DirectorSale (S): 10,000 @ $72EDGAR
2026-02-104WAWROSKI JUDITH I — TREASURER/PAOOption exercise (M): 875 @ $38.30 · Option exercise (M): 300 @ $16.84 · Option exercise (M): 875 (derivative) @ $0 · Option exercise (M): 300 (derivative) @ $0EDGAR
2025-09-094WAWROSKI JUDITH I — TREASURER/PAOOption exercise (M): 600 @ $39.33 · Disposition to issuer (D): 600 @ $71.58 · Option exercise (M): 600 (derivative) @ $71.58EDGAR
2025-08-154SANCHEZ ANTONIO R JR — Director, 10% ownerSale (S): 80,000 @ $69.83 · Sale (S): 40,000 @ $68.12EDGAR
2025-06-064WAWROSKI JUDITH I — TREASURER/PAOOption exercise (M): 700 @ $38.30 · Option exercise (M): 300 @ $16.84 · Option exercise (M): 700 (derivative) @ $0 · Option exercise (M): 300 (derivative) @ $0EDGAR
2024-12-194SANCHEZ ANTONIO R JR — Director, 10% ownerGift (G): 9,000 @ $0 · Gift (G): 9,000 @ $0EDGAR
2024-11-144NIXON DENNIS E — CEO, DirectorSale (S): 34,815 @ $72.18 · Sale (S): 65,185 @ $71.47EDGAR
2024-09-114WAWROSKI JUDITH I — TREASURER/PAOOption exercise (M): 500 @ $38.30 · Option exercise (M): 500 (derivative) @ $0EDGAR
2024-05-234SANCHEZ ANTONIO R JR — Director, 10% ownerSale (S): 30,112 @ $59.75 · Sale (S): 49,888 @ $58.39EDGAR
2024-03-134SANCHEZ ANTONIO R JR — Director, 10% ownerSale (S): 40,000 @ $54.22EDGAR
2024-01-254MARTINEZ DALIA F — VICE PRESIDENTOption exercise (M): 5,000 @ $21.42 · Tax withholding (F): 1,969 @ $54.39 · Option exercise (M): 5,000 (derivative) @ $0EDGAR
2023-12-114SANCHEZ ANTONIO R JR — Director, 10% ownerSale (S): 50,000 @ $49.06 · Sale (S): 50,000 @ $48.86 · Sale (S): 25,000 @ $49.06 · Sale (S): 25,000 @ $48.86EDGAR
2023-11-294SANCHEZ ANTONIO R JR — Director, 10% ownerSale (S): 45,000 @ $44.79 · Sale (S): 15,000 @ $44.63EDGAR
2023-11-174SANCHEZ ANTONIO R JR — Director, 10% ownerSale (S): 30,000 @ $47.77 · Sale (S): 30,000 @ $46.62EDGAR
2023-10-064SANCHEZ ANTONIO R JR — Director, 10% ownerOther (J): 10,000 @ $0EDGAR
2023-08-094WAWROSKI JUDITH I — TREASURER/PAOOption exercise (M): 200 @ $38.30 · Option exercise (M): 175 @ $16.84 · Option exercise (M): 200 (derivative) @ $0 · Option exercise (M): 175 (derivative) @ $0EDGAR
2023-04-104MARTINEZ DALIA F — VICE PRESIDENTGrant/award (A): 5,000 (derivative) @ $0EDGAR
2023-04-104ZUNIGA DIANA G — DirectorPurchase (P): 33 @ $39.47 · Purchase (P): 30 @ $43.32 · Purchase (P): 30 @ $46.70EDGAR
2023-04-104WAWROSKI JUDITH I — TREASURER/PAOGrant/award (A): 4,000 (derivative) @ $0EDGAR
2023-03-174SANCHEZ ANTONIO R JR — Director, 10% ownerOther (J): 50,000 @ $0EDGAR

Recent 8-K events — INTERNATIONAL BANCSHARES CORP

FiledFormItems reportedSource
2026-10-068-K3.01 — Notice of Delisting or Failure to Satisfy a Continued Listing Rule or Standard; Transfer of Listing
7.01 — Regulation FD Disclosure
9.01 — Financial Statements and Exhibits
EDGAR
2026-08-068-K2.02 — Results of Operations and Financial Condition
9.01 — Financial Statements and Exhibits
EDGAR
2026-08-038-K8.01 — Other Events
9.01 — Financial Statements and Exhibits
EDGAR
2026-05-208-K5.07 — Submission of Matters to a Vote of Security HoldersEDGAR
2026-05-128-K5.03 — Amendments to Articles of Incorporation or Bylaws; Change in Fiscal Year
9.01 — Financial Statements and Exhibits
EDGAR
2026-05-078-K2.02 — Results of Operations and Financial Condition
9.01 — Financial Statements and Exhibits
EDGAR
2026-02-268-K2.02 — Results of Operations and Financial Condition
9.01 — Financial Statements and Exhibits
EDGAR
2026-02-028-K8.01 — Other Events
9.01 — Financial Statements and Exhibits
EDGAR
2025-11-068-K2.02 — Results of Operations and Financial Condition
9.01 — Financial Statements and Exhibits
EDGAR
2025-08-128-K5.03 — Amendments to Articles of Incorporation or Bylaws; Change in Fiscal Year
9.01 — Financial Statements and Exhibits
EDGAR
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