Old Second Bancorp
Runs a community banking franchise across northern Illinois with lending, deposits, and wealth services.
$25.24
After-hours close−0.01 (−0.04%)
At close$25.25(+0.32%)
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Breakdown13F · Form 4
Institutions 78.55%40.40M sharesInsiders 2.03%1.04M sharesOther 19.42%9.99M shares
Shares outstanding 51.43M · Float 40.85M · 79.4% free float
Institutions13F, as of Jun 30, 2026
185 holders · 40.40M shares · 21 new positions · 99 increased · 46 reduced · 24 closed
| Holder | Shares | % outstanding | Chg q/q | Filed |
|---|---|---|---|---|
| BlackRock, Inc. | 4.30M | 8.36% | +172.4K | Aug 7, 2026 |
| Dimensional Fund Advisors LP | 2.50M | 4.86% | +109.8K | Aug 11, 2026 |
| Vanguard Capital Management LLC | 2.18M | 4.24% | −72.0K | Aug 13, 2026 |
| State Street Corp | 1.84M | 3.58% | +239.9K | Aug 7, 2026 |
| Davis Asset Management, L.P. | 1.80M | 3.50% | 0 | Aug 12, 2026 |
| American Century Companies Inc | 1.78M | 3.47% | +192.9K | Aug 12, 2026 |
| Goldman Sachs Group Inc | 1.62M | 3.16% | −66.7K | Aug 14, 2026 |
| FJ Capital Management LLC | 1.46M | 2.84% | −44.7K | Aug 14, 2026 |
Beneficial owners13D/G · 5% or more, as filed
No 13D/G filer at 5% or more on record.
InsidersForm 4
| Insider | Role | Shares | % outstanding | Filed |
|---|---|---|---|---|
| James Eccher | director, officer: CHAIRMAN AND CEO | 309.8K | 0.60% | Aug 13, 2026 |
| Darin Patrick Campbell | director, officer: President, Powersports Lending | 274.6K | 0.53% | Feb 19, 2026 |
| Bradley S. Adams | officer: CFO & COO | 170.6K | 0.33% | Jul 2, 2026 |
| John Ladowicz | director | 144.9K | 0.28% | Jan 16, 2026 |
| Donald Pilmer | officer: EVP | 48.2K | 0.09% | Jul 2, 2026 |
| Richard A. JR Gartelmann | officer: EVP | 39.2K | 0.08% | Jul 2, 2026 |
| Gary S. Collins | director, officer: VICE CHAIRMAN | 37.2K | 0.07% | Jul 2, 2026 |
| Billy J. Jr. Lyons | director | 20.1K | 0.04% | Aug 11, 2026 |
23 people have not refiled in the last 18 months (1.33M shares), so they are not in the figure above
Latest trades
| Date | Insider | Type | Shares | Avg price | Owned after |
|---|---|---|---|---|---|
| Aug 12, 2026 | James Eccherdirector, officer: CHAIRMAN AND CEO | Sale | 19,313 | $25.61 | 303,399 |
| Aug 11, 2026 | James Eccherdirector, officer: CHAIRMAN AND CEO | Sale | 55,687 | $25.46 | 322,712 |
| May 22, 2026 | Gary S. Collinsdirector, officer: VICE CHAIRMAN | Sale | 5,120 | $21.12 | 58,136 |
| May 21, 2026 | Gary S. Collinsdirector, officer: VICE CHAIRMAN | Sale | 10,000 | $21.12 | 63,256 |
| May 11, 2026 | Billy J. Jr. Lyonsdirector | Purchase | 24 | $20.90 | 20,097 |
| May 8, 2026 | Gary S. Collinsdirector, officer: VICE CHAIRMAN | Sale · 2 lots | 15,000 | $21.24 | 103,392 |
| May 11, 2026 | Donald Pilmerofficer: EVP | Sale | 25,000 | $20.75 | 48,054 |
| Mar 20, 2026 | Gary S. Collinsdirector, officer: VICE CHAIRMAN | Sale | 22,154 | $19.38 | 40,136 |
| Feb 18, 2026 | Darin Patrick Campbelldirector, officer: President, Powersports Lending | Sale | 35,000 | $20.94 | 274,589 |
| Feb 13, 2026 | Darin Patrick Campbelldirector, officer: President, Powersports Lending | Sale | 91 | $20.70 | 309,589 |
CongressHouse and Senate disclosures
Not reported.