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Old Second Bancorp (OSBC) Q3 2026 earnings results (third quarter 2026)

10-Q filed Nov 4, 2026

Old Second Bancorp (OSBC) reported revenue of $97.1M for the third quarter 2026 (Q3 2026), +1% from a year earlier and +0.5% from the quarter before. Operating margin was 39.9%, net earnings $28.9M (29.8% of revenue).

Revenue$97.1M
Year over year+1%
Quarter over quarter+0.5%
Operating margin39.9%
Net earnings$28.9M

Old Second Bancorp, Q3 2026: revenue $97.1M (+1% year over year), operating margin 39.9%, net earnings $28.9M, operating cash flow $64.8M. The chart follows the revenue to costs, profit and cash.

Q3 2026AmountQ/QY/Y
Revenue$97.1M+0.5%+1%
Operating profit$38.7M+2%+197%
Net earnings$28.9M+3%+193%
Operating cash flow$64.8M+127%+80%
Free cash flow$64.2M+130%+85%

What changed

Revenue was $97.1M in Q3 2026, up 1% year over year and up 1% from the previous quarter. Net interest income was the largest line at 87% of revenue. Net interest income added $1.3M year over year (up 2%), 103% of the total change.

Operating profit was $38.7M, a 39.9% margin (up 26.3 points year over year). Of the extra revenue versus a year earlier, 2079% reached operating profit, above the 14% margin then. Total costs fell 30% while revenue rose 1%. Net earnings were $28.9M, up 193% year over year. The effective tax rate was 25.3%.

Operating cash flow was $64.8M (up 80% year over year), 224% of net earnings. Non-cash charges added back $1.7M of depreciation and amortization and $1.4M of share-based compensation. Working capital and other items added $32.7M. Capital expenditures of $617K left free cash flow of $64.2M.

Questions

What was Old Second Bancorp's revenue in the third quarter 2026?

Old Second Bancorp (OSBC) reported revenue of $97.1M for the third quarter 2026 (Q3 2026), +1% from a year earlier and +0.5% from the quarter before.

Was Old Second Bancorp profitable in the third quarter 2026?

Operating profit was $38.7M (39.9% of revenue) and net earnings $28.9M.

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Source: Old Second Bancorp 10-Q on SEC EDGAR.