OSBC · ISSUER CIK 357173
OLD SECOND BANCORP INC
Between Aug 1, 2026 and Oct 29, 2026, 9 OLD SECOND BANCORP INC insiders reported $0.00 of open-market purchases and $4.3M of sales on SEC Form 4.
↗9 insiders filed
Original Form 4 filings from Aug 1, 2026 to Oct 29, 2026. 2 of 7 sales were reported under a 10b5-1 plan.
$0.00Insider buying
$4.3MInsider selling
−$4.3MNet open-market
Oct 21, 2026Latest filing
| Ticker | Insider | Type | Owned | ||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| Oct 21, 202617:10 | Aug 10, 2026from May 11, 2021 | OSBC | Director | L · SmallLate 72d | $15.90 | +320 | 4,320 | +8% | $5K | ||
| Oct 1, 202614:27 | Sep 30, 2026 | OSBC | CHAIRMAN AND CEO, Director | J · Other | — | +109 | 33,590 | +0% | — | ||
| Oct 1, 202614:24 | Sep 30, 2026 | OSBC | CFO & COO | J · Other | — | +28 | 10,221 | +0% | — | ||
| Oct 1, 202614:21 | Sep 30, 2026 | OSBC | EVP | J · Other | — | +35 | 12,683 | +0% | — | ||
| Oct 1, 202614:17 | Sep 30, 2026 | OSBC | EVP | J · Other | — | +11 | 4,048 | +0% | — | ||
| Oct 1, 202614:12 | Sep 30, 2026 | OSBC | VICE CHAIRMAN, Director | J · Other | — | +30 | 7,125 | +0% | — | ||
| Sep 23, 202618:34 | Sep 23, 2026 | OSBC | VICE CHAIRMAN, Director | S · Sell | $24.69 | −16,000 | 14,136 | -53% | −$395K | ||
| Sep 11, 202611:50 | Sep 4, 2026 | OSBC | VICE CHAIRMAN, Director | S · SellLate 7d | $25.71 | −5,000 | 53,136 | -9% | −$129K | ||
| Sep 8, 202617:17 | Sep 8, 2026 | OSBC | Director | S · Sell | $25.63 | −25,000 | 135,351 | -16% | −$641K | ||
| Sep 3, 202617:40 | Sep 3, 2026 | OSBC | Director | S · Sell | $25.73 | −25,000 | 135,351 | -16% | −$643K | ||
| Sep 3, 202617:33 | Sep 2, 2026 | OSBC | President, Powersports Lending, Director | S · Sell | $25.53 | −24,000 | 250,589 | -9% | −$613K | ||
| Aug 13, 202610:47 | Aug 12, 2026 | OSBC | CHAIRMAN AND CEO, Director | S · Sell10b5-1 | $25.61 | −19,313 | 303,399 | -6% | −$495K | ||
| Aug 12, 202616:52 | Aug 11, 2026 | OSBC | CHAIRMAN AND CEO, Director | S · Sell10b5-1 | $25.46 | −55,687 | 322,712 | -15% | −$1.4M | ||
| Aug 11, 202612:47 | Aug 10, 2026 | OSBC | Director | A · Grant | $25.38 | +20 | 20,117 | +0% | $507.60 |