Over the 90-day window ending February 10, 2026, Old Second Bancorp's three dominant insider ownership positions are held by Chairman And Ceo James Eccher (336.23K shares), Cfo & Coo Bradley S. Adams (153.43K shares), Director John Ladowicz (144.89K shares).
| Holder | Position | Shares | Report Date |
|---|---|---|---|
| James Eccher | Chairman And Ceo | 336,231 | 06 May, 2025 |
| Bradley S. Adams | Cfo & Coo | 153,432 | 06 Mar, 2025 |
| John Ladowicz | 144,892 | 26 Nov, 2025 | |
| William B Skoglund | 105,763 | 26 Jul, 2023 | |
| Gary S Collins | Vice Chairman | 69,917 | 06 Mar, 2025 |
| William Kane | 60,510 | 23 Feb, 2023 | |
| Duane Suits | 44,883 | 17 Feb, 2022 | |
| Donald Pilmer | Evp | 42,728 | 21 Feb, 2025 |
| James F Tapscott | 41,273 | 23 Feb, 2023 | |
| Richard A Jr Gartelmann | Evp | 37,437 | 05 Feb, 2026 |
| Darin Patrick Campbell | President And Powersports Lending | 31,159 | 07 Nov, 2025 |
| Rocks Patti Temple | 29,230 | 21 Feb, 2025 | |
| Billy J Jr. Lyons | 16,973 | 13 Nov, 2025 | |
| Dennis L Klaeser | 10,551 | 21 Feb, 2025 | |
| Edward Bonifas | 10,551 | 21 Feb, 2025 | |
| John Jr Williams | 10,551 | 21 Feb, 2025 | |
| Keith Kotche | 10,551 | 21 Feb, 2025 | |
| Barry Finn | 10,551 | 21 Feb, 2025 | |
| Hugh H Mclean | 10,551 | 21 Feb, 2025 | |
| Jill E York | 10,551 | 21 Feb, 2025 |
* Please note that the shares above only reflect shares from the fund portfolio and the institutional portfolio. Shares from the personal portfolio are excluded from this Institutional Ownership Page. See these insiders' latest transactions here on Insider Page.
| Transaction Date | Insider Name | Security Class | Transaction Type | Shares Traded | Price | Shares Remaining | Ownership | Code |
|---|---|---|---|---|---|---|---|---|
| 05 Feb, 2026 | Richard A Jr Gartelmann | Old Second Bancorp, Inc. Common Stock | D | 2,000 | $20.98 | 24,874 | D | S |
| 15 Jan, 2026 | John Ladowicz | Old Second Bancorp, Inc. Common Stock | D | 2,897 | $20.94 | 146,757 | I | S |
| 15 Jan, 2026 | John Ladowicz | Old Second Bancorp, Inc. Common Stock | D | 1,865 | $20.96 | 144,892 | I | S |
| 31 Dec, 2025 | Gary S Collins | Old Second Bancorp, Inc. Common Stock | A | 40 | $0.00 | 6,805 | I | J |
| 31 Dec, 2025 | James Eccher | Old Second Bancorp, Inc. Common Stock | A | 125 | $0.00 | 33,018 | I | J |
| 31 Dec, 2025 | James Eccher | Old Second Bancorp, Inc. Common Stock | A | 24 | $0.00 | 6,335 | I | J |
| 31 Dec, 2025 | James Eccher | - | - | 6,335 | I | |||
| 31 Dec, 2025 | Bradley S. Adams | Old Second Bancorp, Inc. Common Stock | A | 39 | $0.00 | 10,124 | I | A |
| 31 Dec, 2025 | Donald Pilmer | - | - | 4,010 | I | |||
| 31 Dec, 2025 | Donald Pilmer | Old Second Bancorp, Inc. Common Stock | A | 15 | $0.00 | 4,010 | I | J |
| 31 Dec, 2025 | Richard A Jr Gartelmann | Old Second Bancorp, Inc. Common Stock | A | 47 | $0.00 | 12,563 | I | J |
| 09 Dec, 2025 | John Ladowicz | Old Second Bancorp, Inc. Common Stock | D | 12,500 | $20.00 | 149,654 | I | S |
| 26 Nov, 2025 | John Ladowicz | Old Second Bancorp, Inc. Common Stock | D | 13,150 | $19.01 | 162,154 | I | S |
| 10 Nov, 2025 | Billy J Jr. Lyons | - | - | 16,973 | D | |||
| 10 Nov, 2025 | Billy J Jr. Lyons | Old Second Bancorp, Inc. Common Stock | A | 27 | $18.35 | 16,973 | D | A |
| 31 Oct, 2025 | Darin Patrick Campbell | - | - | 0 | I | |||
| 31 Oct, 2025 | Darin Patrick Campbell | Old second Bancorp Inc., Common Stock | D | 31,159 | $17.89 | 0 | I | S |
| 30 Oct, 2025 | Darin Patrick Campbell | - | - | 31,159 | I | |||
| 30 Oct, 2025 | Darin Patrick Campbell | Old second Bancorp Inc., Common Stock | D | 26,406 | $18.27 | 31,159 | I | S |
| 30 Sep, 2025 | Gary S Collins | Old Second Bancorp, Inc. Common Stock | A | 62 | $0.00 | 6,765 | I | J |