OSBC insider trading
NasdaqGS Financial ServicesOLD SECOND BANCORP INC — scored insider trade history from SEC Form 4 filings, parsed and contextualised by FilingIQ.
About OLD SECOND BANCORP INC
Old Second Bancorp, Inc. operates as the bank holding company for Old Second National Bank that provides community banking services in the United States. The company offers deposit products, including consumer and business checking, NOW, money market, savings, and other time deposit accounts, as well as certificates of deposit and individual retirement accounts. It also offers lending products, such as commercial and industrial loans; commercial real estate loans; multifamily loans; construction and development loans; residential real estate loans, such as residential first mortgage and second mortgage loans; home equity lines of credit; consumer loans, including motor vehicle, home improvement, and signature loans; installment and agricultural loans; lease financing receivables and overdraft checking; and safe deposit operations. In addition, the company provides online and mobile banking; corporate cash management products, including remote and mobile deposits capture, investment sweep accounts, zero balance accounts, automated tax payments, automatic teller machines access, telephone banking, lockbox accounts, automated clearing house transactions, account reconciliation, controlled disbursement, detail and general information reporting, foreign and domestic wire transfers, and vault services for currency and coin; and investment, agency, and custodial services for individual, corporate, and not-for-profit clients. The company was founded in 1871 and is headquartered in Aurora, Illinois.
Company website: www.oldsecond.com
OSBC insider activity at a glance
FilingIQ has scored 790 insider transactions for OSBC since Jun 23, 2015. The most recent filing in our index is dated May 11, 2026.
Across the full history, 107 open-market purchases
and 125 open-market sales
were filed under transaction codes P and S respectively. Compensatory share awards
(code A) and option exercises (code M) are tracked separately and not counted here.
The average FilingIQ composite score on OSBC insider trades is 55.4/100, produced by FilingIQ's multi-factor Form 4 model. Model framework documented at methodology.
Latest OSBC Form 4 filings
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Frequently asked
- How many insider trades does FilingIQ track for OSBC?
- FilingIQ tracks 790 Form 4 insider transactions for OSBC (OLD SECOND BANCORP INC), covering filings from Jun 23, 2015 onwards. 52 of those were filed in the last 90 days.
- Are OSBC insiders net buyers or net sellers?
- Across the full Form 4 history for OSBC, 107 transactions (14%) were open-market purchases and 125 (16%) were open-market sales. Compensatory awards and option exercises are filtered out of these counts.
- Where does OSBC insider data come from?
- Every transaction shown on this page is sourced directly from SEC EDGAR Form 4 filings. FilingIQ parses the raw XML, normalises insider identity across reporting variations, and scores each trade on its multi-factor composite model.
- What sector is OSBC in?
- OLD SECOND BANCORP INC (OSBC) is classified in the Financial Services sector, specifically Banks - Regional, with a current market capitalisation of $1.03B.
Methodology & sources
Every OSBC insider transaction shown on FilingIQ is parsed directly from a public SEC Form 4 XML filing. Insider identity is normalised across reporting variants (CIK changes, name spellings, related-party indirect holdings). The FilingIQ composite score is documented in full on the team page and algo disclosure. Not investment advice; see disclaimer.