SEC Form 4 · accession 0001314109-26-000012
OLD SECOND BANCORP INC · OSBC
Statement of changes in beneficial ownership, as filed. Original on EDGAR ↗
Reporting owner
James Eccher
Officer — CHAIRMAN AND CEO · Director
Period of report
Aug 11, 2026
Accepted (ET)
Aug 12, 2026 · 4:52 pm EDT
Rule 10b5-1 plan
yes — trade under a plan
Issuer CIK
0000357173
Table I — non-derivative securities
| Security | Date | Code | Shares | Price | A/D | Owned after | D/I | Nature of ownership |
|---|---|---|---|---|---|---|---|---|
| Old Second Bancorp, Inc. Common StockF2 | Aug 11, 2026 | S | 55,687 | $25.4595 | D | 322,712 | D | |
| Old Second Bancorp, Inc. Common Stock | holding | — | — | — | 33,498 | I | By 401-K | |
| Old Second Bancorp, Inc. Common Stock | holding | — | — | — | 6,378 | I | By Profit Sharing | |
| Restricted Stock Units | holding | — | — | — | 188,252 | D |
Table II — derivative securities
No Table II lines on this filing.
Explanation of responses
- F1The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on May 1, 2026.
- F2The price reported is a weighted average price. The transactions were effected at prices ranging from $25.30 to $25.6050.