The page is the record's research on the issuer — no analyst, no rating, no view. # OLD SECOND BANCORP INC (NASDAQ: OSBC) — research page As of 2026-11-08 · us-cm-kg · record version 1 ## Identity and listing The issuer is OLD SECOND BANCORP INC, listed on NASDAQ under ticker OSBC. Its ISIN is US6802771005 and its LEI is 549300XVJC1MPUT81C04. Its security type is Corporate and its segment is not on the record. Its sector is 6022 State Commercial Banks and its jurisdiction is United States, Delaware. Its listing status is listed, not halted. ## The disclosure read The record holds 109 filings in the window from 2025-11-08 to 2026-11-08, on 55 filing days. The median gap between filing days is 5.0 days. The latest filing is dated 2026-11-04, four days before the record date of 2026-11-08, and is of type results. The NASDAQ median cadence gap is 6.0 days across 4,359 issuers, with a median of 52 filings and a median latency of 5.0 days. The 6022 State Commercial Banks sector median cadence gap is 5.0 days across 214 issuers, with a median of 87.5 filings and a median latency of 3.0 days. ## Auditor The auditor of record is not on the record, because the latest annual report cover carries no dei:AuditorName tag. The auditor's location is not on the record. The record holds no auditor changes. ## Events and halts The record holds no listing, delisting or name change lines. The domicile change is not on the record, as EDGAR states no dated change of state of incorporation on a filing line. The segment move is not on the record, as the exchanges' tier transfers are not EDGAR filings. The halt flag is listed, not halted. ## Orderability The outcome is not determinable, because the chapter's orderability section carries no client categories and so the outcome cannot name its client category. The rule version is acm-68000/us/reasonable-basis-suitability-finra-rule-2111/r1, and the chapter is as of 2026-11-04. ## Coverage No research houses were found on the issuer's investor-relations pages read. The count is 0. ## Open research No openly published research notes were found on the record. The count is 0. ## Licensed Licensed research: none loaded. A licensed row is served only to an agent whose firm holds that licence (licensor, entitlement). No licensed row is loaded. ## As-of depth The issuer's sealed years are 2021, 2022, 2023, 2024, 2025 and 2026. The market's earliest sealed date is 2021-01-04. The live record began on 2026-09-12. ## Sources 8 source pages are named on this page; every value above carries its own source page and read date in the numbers. - https://www.sec.gov/files/company_tickers_exchange.json (identity.exchange) - https://www.sec.gov/data-research/sec-markets-data/fails-deliver-data (identity.isin) - https://data.sec.gov/submissions/CIK0000357173.json (identity.jurisdiction) - https://mapping.gleif.org/api/v2/isin-lei/latest/download (identity.lei) - https://mcp.us-cm-kg.ai/events/NASDAQ/OSBC (the disclosure lines) - https://www.nasdaqtrader.com/rss.aspx?feed=tradehalts (the halt flag) - https://mcp.us-cm-kg.ai/book/aio.json (the orderability chapter) - https://mcp.us-cm-kg.ai/record/NASDAQ/OSBC (the record) --- Allooloo Technologies Corp. · https://getresearch.ai/us/NASDAQ/OSBC · public-record only · the same page signed and receipted: get_research at https://mcp.getresearch.ai/mcp