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International Bancshares stock timeline
A year of the price with every insider trade, planned sale, earnings report and material 8-K marked
252 sessions+2.5% to $67.60
International Bancshares (IBOC) stock rose 3% over the last 252 sessions, to $67.60. On the way it reported 4 quarters, its insiders filed 1 open-market trade, and the company filed 1 material 8-K. Each is marked on the price and listed with what the stock did next.
Each mark, and what followed
| Date | Kind | What | Next session | 5 sessions | 21 sessions |
|---|---|---|---|---|---|
| Nov 5, 2026 | Earnings | Earnings: beat the EPS estimate by 16.5% | −1.0% (+3.5% vs SPY) | — | — |
| Oct 6, 2026 | 8-K | Delisting notice or listing-rule failure | −0.8% (−1.3% vs SPY) | −2.5% (−2.9% vs SPY) | −2.8% (−0.1% vs SPY) |
| Aug 6, 2026 | Earnings | Earnings: missed the EPS estimate by -4.3% | −1.0% (−0.9% vs SPY) | −4.3% (−4.6% vs SPY) | −4.9% (−5.4% vs SPY) |
| May 21, 2026 | Insider sale | Norton Larry A sold $720K | −0.8% (−1.0% vs SPY) | 0.0% (−1.8% vs SPY) | +3.7% (+3.0% vs SPY) |
| May 7, 2026 | Earnings | Earnings: missed the EPS estimate by -2.4% | +1.0% (+1.3% vs SPY) | −1.8% (−2.9% vs SPY) | +0.6% (+0.1% vs SPY) |
| Feb 26, 2026 | Earnings | Earnings: beat the EPS estimate by 4.9% | +1.3% (+1.8% vs SPY) | −1.8% (−0.6% vs SPY) | −2.9% (+4.0% vs SPY) |
Insiders’ record here
In the year on the chart, International Bancshares' insiders reported 0 open-market buys ($0) and 1 sale ($720K). Of the 1 old enough to score, 1 were followed by the stock doing what the trade implied over the next 63 sessions (beating SPY after a buy, lagging it after a sale); the median excess return after a buy was — and after a sale −3.6%.
Across the whole universe (19,782 scored trades), insider buys beat the market 46% of the time and sales were followed by a lagging stock 61% of the time; buys of $1M or more 39%. Every pattern →
What this kind of 8-K usually did
| Item | 8-Ks | Next session, median | Up next session | 21 sessions, median | Typical size |
|---|---|---|---|---|---|
| 3.01 Delisting notice or listing-rule failure | 492 | 0.0% | 46% | −0.2% | ±2.1% |
Across every company in the move-odds universe, measured from the close before the filing. Every 8-K item ranked →
Report card: every quarter against the estimate → International Bancshares: every quarter → Live insider trades →
Prices are daily closes; filings and trades are as filed with the SEC (Form 4 within two business days of the trade, 8-K within four of the event). Moves after a mark are the stock's close-to-close change and the same for SPY; they describe the record, not what the next one will do. Not investment advice.