OLD SECOND BANCORP INC (OSBC) — insider trading
Financials · NASDAQ
OLD SECOND BANCORP INC (OSBC) has 29 reported SEC Form 4 insider transactions in our data, including 1 open-market purchase and 12 open-market sales among the most recent 29 (latest 2026-09-30).
Recent Form 4 transactions
| Date | Insider | Role | Type | Shares | Price | Value | Filing |
|---|---|---|---|---|---|---|---|
| 2026-09-30 | Pilmer Donald | Officer (EVP) | Other acquisition or disposition | 11 | — | $0 | Form 4 |
| 2026-09-30 | Gartelmann Richard A JR | Officer (EVP) | Other acquisition or disposition | 35 | — | $0 | Form 4 |
| 2026-09-30 | Eccher James | Director, Officer (CHAIRMAN AND CEO) | Other acquisition or disposition | 92 | — | $0 | Form 4 |
| 2026-09-30 | Eccher James | Director, Officer (CHAIRMAN AND CEO) | Other acquisition or disposition | 17 | — | $0 | Form 4 |
| 2026-09-30 | COLLINS GARY S | Director, Officer (VICE CHAIRMAN) | Other acquisition or disposition | 30 | — | $0 | Form 4 |
| 2026-09-30 | ADAMS BRADLEY S. | Officer (CFO & COO) | Other acquisition or disposition | 28 | — | $0 | Form 4 |
| 2026-09-23 | COLLINS GARY S | Director, Officer (VICE CHAIRMAN) | Open-market sale | 16,000 | $24.69 | $395.1K | Form 4 |
| 2026-09-08 | MCLEAN HUGH H | Director | Open-market sale | 25,000 | $25.63 | $640.8K | Form 4 |
| 2026-09-04 | COLLINS GARY S | Director, Officer (VICE CHAIRMAN) | Open-market sale | 5,000 | $25.71 | $128.5K | Form 4 |
| 2026-09-03 | MCLEAN HUGH H | Director | Open-market sale | 25,000 | $25.73 | $643.2K | Form 4 |
| 2026-09-02 | Campbell Darin Patrick | Director, Officer (President, Powersports Lending) | Open-market sale | 24,000 | $25.53 | $612.8K | Form 4 |
| 2026-08-12 | Eccher James | Director, Officer (CHAIRMAN AND CEO) | Open-market sale | 19,313 | $25.61 | $494.7K | Form 4 |
| 2026-08-11 | Eccher James | Director, Officer (CHAIRMAN AND CEO) | Open-market sale | 55,687 | $25.46 | $1.42M | Form 4 |
| 2026-08-10 | Lyons Billy J Jr. | Director | Grant / award / vesting | 20 | $25.38 | $508 | Form 4 |
| 2026-06-30 | Gartelmann Richard A JR | Officer (EVP) | Other acquisition or disposition | 42 | — | $0 | Form 4 |
| 2026-06-30 | Eccher James | Director, Officer (CHAIRMAN AND CEO) | Other acquisition or disposition | 111 | — | $0 | Form 4 |
| 2026-06-30 | Eccher James | Director, Officer (CHAIRMAN AND CEO) | Other acquisition or disposition | 21 | — | $0 | Form 4 |
| 2026-06-30 | Pilmer Donald | Officer (EVP) | Other acquisition or disposition | 14 | — | $0 | Form 4 |
| 2026-06-30 | Pilmer Donald | Officer (EVP) | Other acquisition or disposition | 1 | — | $0 | Form 4 |
| 2026-06-30 | COLLINS GARY S | Director, Officer (VICE CHAIRMAN) | Other acquisition or disposition | 37 | — | $0 | Form 4 |
| 2026-06-30 | ADAMS BRADLEY S. | Officer (CFO & COO) | Other acquisition or disposition | 34 | — | $0 | Form 4 |
| 2026-05-22 | COLLINS GARY S | Director, Officer (VICE CHAIRMAN) | Open-market sale | 5,120 | $21.12 | $108.1K | Form 4 |
| 2026-05-21 | COLLINS GARY S | Director, Officer (VICE CHAIRMAN) | Open-market sale | 10,000 | $21.12 | $211.2K | Form 4 |
| 2026-05-11 | Lyons Billy J Jr. | Director | Open-market purchase | 24 | $20.90 | $502 | Form 4 |
| 2026-05-11 | Pilmer Donald | Officer (EVP) | Open-market sale | 25,000 | $20.75 | $518.8K | Form 4 |
| 2026-05-08 | COLLINS GARY S | Director, Officer (VICE CHAIRMAN) | Open-market sale | 5,000 | $21.23 | $106.1K | Form 4 |
| 2026-05-08 | COLLINS GARY S | Director, Officer (VICE CHAIRMAN) | Open-market sale | 10,000 | $21.24 | $212.4K | Form 4 |
| 2026-03-31 | COLLINS GARY S | Director, Officer (VICE CHAIRMAN) | Other acquisition or disposition | 253 | — | $0 | Form 4 |
| 2026-03-31 | ADAMS BRADLEY S. | Officer (CFO & COO) | Other acquisition or disposition | 35 | — | $0 | Form 4 |
Ask the chat about OSBC's insider activity →
Transaction types are the SEC Form 4 codes: open-market purchases (P) and sales (S) are the only rows that reflect open-market conviction. Awards/vesting (A), option exercises (M/X/C), shares withheld for taxes (F) and gifts (G) are compensation or mechanical, not buying or selling on the open market. Sales may be planned and non-discretionary (e.g. a Rule 10b5-1 plan); open-market buying is not a recommendation to buy. Informational only — not financial advice.
Source: SEC EDGAR Form 3/4/5. See the full company profile: OLD SECOND BANCORP INC (OSBC).
Last updated 2026-09-30 (most recent filing date).
Informational only — NOT financial advice. Insider filings are sourced from SEC EDGAR and shown with their reported dates.