Data spanning the past 90 days through December 31, 2025 reveals that Old Second Bancorp's three principal insider shareholders consist of Director John Ladowicz (149.65K shares), President And Powersports Lending Darin Patrick Campbell (31.16K shares), Director Billy J Jr. Lyons (16.97K shares).
| Holder | Position | Shares | Report Date |
|---|---|---|---|
| James Eccher | Chairman And Ceo | 362,789 | 06 May, 2025 |
| Bradley S. Adams | Cfo & Coo | 153,393 | 06 Mar, 2025 |
| John Ladowicz | 149,654 | 26 Nov, 2025 | |
| William B Skoglund | 105,763 | 26 Jul, 2023 | |
| Gary S Collins | Vice Chairman | 69,877 | 06 Mar, 2025 |
| William Kane | 60,510 | 23 Feb, 2023 | |
| Duane Suits | 44,883 | 17 Feb, 2022 | |
| Donald Pilmer | Evp | 42,713 | 21 Feb, 2025 |
| James F Tapscott | 41,273 | 23 Feb, 2023 | |
| Richard A Jr Gartelmann | Evp | 33,068 | 25 Mar, 2025 |
| Darin Patrick Campbell | President And Powersports Lending | 31,159 | 07 Nov, 2025 |
| Rocks Patti Temple | 29,230 | 21 Feb, 2025 | |
| Jill E York | 18,551 | 21 Feb, 2025 | |
| Billy J Jr. Lyons | 16,973 | 13 Nov, 2025 | |
| Hugh H Mclean | 10,551 | 21 Feb, 2025 | |
| Dennis L Klaeser | 10,551 | 21 Feb, 2025 | |
| Barry Finn | 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 | |
| Keith Gottschalk | Evp | 1,116 | 05 Jan, 2021 |
* 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 |
|---|---|---|---|---|---|---|---|---|
| 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 |
| 14 Sep, 2025 | John Ladowicz | Restricted Stock Units | D | 10,551 | $0.00 | 0 | D | J |
| 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 | Old second Bancorp Inc., Common Stock | D | 31,159 | $17.89 | 0 | I | S |
| 30 Oct, 2025 | Darin Patrick Campbell | Old second Bancorp Inc., Common Stock | D | 26,406 | $18.27 | 31,159 | I | S |
| 30 Sep, 2025 | James Eccher | Old Second Bancorp, Inc. Common Stock | A | 22 | $0.00 | 6,311 | I | J |
| 30 Sep, 2025 | Donald Pilmer | Old Second Bancorp, Inc. Common Stock | A | 1 | $0.00 | 182 | I | J |
| 30 Sep, 2025 | Richard A Jr Gartelmann | Old Second Bancorp, Inc. Common Stock | A | 44 | $0.00 | 12,516 | I | J |
| 30 Sep, 2025 | Bradley S. Adams | Old Second Bancorp, Inc. Common Stock | A | 35 | $0.00 | 10,085 | I | J |
| 30 Sep, 2025 | Donald Pilmer | - | - | 182 | I | |||
| 30 Sep, 2025 | Gary S Collins | Old Second Bancorp, Inc. Common Stock | A | 62 | $0.00 | 6,765 | I | J |
| 30 Sep, 2025 | Donald Pilmer | - | - | 3,995 | I | |||
| 30 Sep, 2025 | James Eccher | Old Second Bancorp, Inc. Common Stock | A | 134 | $0.00 | 32,893 | I | J |
| 30 Sep, 2025 | Donald Pilmer | Old Second Bancorp, Inc. Common Stock | A | 14 | $0.00 | 3,995 | I | J |
| 04 Aug, 2025 | Billy J Jr. Lyons | Old Second Bancorp, Inc. Common Stock | A | 25 | $16.61 | 16,946 | D | P |
| 18 Jul, 2025 | Darin Patrick Campbell | Old second Bancorp Inc., Common Stock | A | 57,565 | $0.00 | 57,565 | I | A |
| 30 Jun, 2025 | Richard A Jr Gartelmann | Old Second Bancorp, Inc. Common Stock | A | 47 | $0.00 | 12,472 | I | J |
| 30 Jun, 2025 | Bradley S. Adams | Old Second Bancorp, Inc. Common Stock | A | 36 | $0.00 | 10,050 | I | J |
| 30 Jun, 2025 | Donald Pilmer | Old Second Bancorp, Inc. Common Stock | A | 1 | $0.00 | 181 | I | J |