// company-profile
International Bancshares Corp
IBOCExchangeNasdaqSectorState Commercial BanksInc.TXFilings19Insiders6
// api This International Bancshares Corp insider-trading data is served live by the Form4API insider trading API. Get the same data via API.
// activity-summary
No insider transactions in the last 30 days.
// 90-day insight
Over the last 90 days, International Bancshares Corp insiders sold $720K across 1 transaction with no open-market purchases.
- Most active insider: Norton Larry A with 1 transaction totaling $720K.
- Largest single sale: $720K by Norton Larry A on May 21, 2026.
Activity skews bearish — sales outpace buys.
Institutional Ownership
Top 13F-HR holders of International Bancshares Corp as of 2026-03-31
Total reported AUM
$2.45B
QoQ change
+6.3%
Reporting period
2026-03-31
#1
BlackRock, Inc.
CIK 2012383
$275.1M
4.1M shares
#2
AMERICAN CENTURY COMPANIES INC
CIK 748054
$217.3M
3.2M shares
#3
DIMENSIONAL FUND ADVISORS LP
CIK 354204
$203.6M
3.0M shares
Data source: SEC Form 13F-HR filings. Joined with insider activity above — see who's loading up institutionally while insiders are trading. Full 13F-HR API →
Insider Transactions
Sourced from SEC EDGAR Form 4 filings. Updated hourly.
| Date | Insider | Company | Type | Shares | Price | Value |
|---|---|---|---|---|---|---|
| May 21, 2026 | Norton Larry A | IBOC | Sale | 10,000 | $72.00 | $720K |
| Feb 6, 2026 | WAWROSKI JUDITH I | IBOC | Option Exercise | 300 | $0.00 | $0K |
| Feb 6, 2026 | WAWROSKI JUDITH I | IBOC | Option Exercise | 875 | $0.00 | $0K |
| Feb 6, 2026 | WAWROSKI JUDITH I | IBOC | Option Exercise | 300 | $16.84 | $5K |
| Feb 6, 2026 | WAWROSKI JUDITH I | IBOC | Option Exercise | 875 | $38.30 | $34K |
39 more transactions hidden
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