OSBC insider transaction filings

OLD SECOND BANCORP INC — 50 most recent Form 4 filings from SEC EDGAR, normalized by FilingPulse. Latest filing: 2026-09-11. Screen OSBC transaction legs live →

Insider transaction summary — last 90 days

2026-06-24 to 2026-09-22, from the filings listed below: 13 Form 4 filings. Counts and totals are arithmetic on values as filed — descriptive data, not a recommendation.

By insider — same window

Open-market purchase/sale legs on non-derivative securities, grouped by the filing's reporting owner(s); joint filings appear once. Dollar totals cover priced legs only (shares × price as filed). Ordered by priced transaction value, largest first.

InsiderFilingsPurchases (P)Sales (S)Other legs
Eccher James — CHAIRMAN AND CEO, Director32 legs · 75,000 sh · $1,912,4642
MCLEAN HUGH H — Director32 legs · 50,000 sh · $1,283,942
Campbell Darin Patrick — President, Powersports Lending, Director11 leg · 24,000 sh · $612,792
COLLINS GARY S — VICE CHAIRMAN, Director21 leg · 5,000 sh · $128,5251
Pilmer Donald — EVP12
ADAMS BRADLEY S. — CFO & COO11
Gartelmann Richard A JR — EVP11
Lyons Billy J Jr. — Director11

Recent Form 4 filings — OLD SECOND BANCORP INC

FiledFormInsiderReported transactionsSource
2026-09-114COLLINS GARY S — VICE CHAIRMAN, DirectorSale (S): 5,000 @ $25.70EDGAR
2026-09-084MCLEAN HUGH H — DirectorSale (S): 25,000 @ $25.63EDGAR
2026-09-084/AMCLEAN HUGH H — DirectorHoldings only — no transactions reportedEDGAR
2026-09-034Campbell Darin Patrick — President, Powersports Lending, DirectorSale (S): 24,000 @ $25.53EDGAR
2026-09-034MCLEAN HUGH H — DirectorSale (S): 25,000 @ $25.73EDGAR
2026-08-134Eccher James — CHAIRMAN AND CEO, DirectorSale (S): 19,313 @ $25.61EDGAR
2026-08-124Eccher James — CHAIRMAN AND CEO, DirectorSale (S): 55,687 @ $25.46EDGAR
2026-08-114Lyons Billy J Jr. — DirectorGrant/award (A): 20 @ $25.38EDGAR
2026-07-024Gartelmann Richard A JR — EVPOther (J): 42 @ $0EDGAR
2026-07-024Pilmer Donald — EVPOther (J): 1 @ $0 · Other (J): 14 @ $0EDGAR
2026-07-024ADAMS BRADLEY S. — CFO & COOOther (J): 34 @ $0EDGAR
2026-07-024Eccher James — CHAIRMAN AND CEO, DirectorOther (J): 21 @ $0 · Other (J): 111 @ $0EDGAR
2026-07-024COLLINS GARY S — VICE CHAIRMAN, DirectorOther (J): 37 @ $0EDGAR
2026-05-264COLLINS GARY S — VICE CHAIRMAN, DirectorSale (S): 5,120 @ $21.12EDGAR
2026-05-214COLLINS GARY S — VICE CHAIRMAN, DirectorSale (S): 10,000 @ $21.12EDGAR
2026-05-124Lyons Billy J Jr. — DirectorPurchase (P): 24 @ $20.90EDGAR
2026-05-114Pilmer Donald — EVPSale (S): 25,000 @ $20.75EDGAR
2026-05-114COLLINS GARY S — VICE CHAIRMAN, DirectorSale (S): 10,000 @ $21.24 · Sale (S): 5,000 @ $21.23EDGAR
2026-04-024Gartelmann Richard A JR — EVPOther (J): 43 @ $0EDGAR
2026-04-024Pilmer Donald — EVPOther (J): 13 @ $0 · Other (J): 1 @ $0EDGAR
2026-04-024ADAMS BRADLEY S. — CFO & COOOther (J): 35 @ $0EDGAR
2026-04-024Eccher James — CHAIRMAN AND CEO, DirectorOther (J): 369 @ $0 · Other (J): 22 @ $0EDGAR
2026-04-024COLLINS GARY S — VICE CHAIRMAN, DirectorOther (J): 253 @ $0EDGAR
2026-03-234COLLINS GARY S — VICE CHAIRMAN, DirectorSale (S): 22,154 @ $19.38EDGAR
2026-03-044Gartelmann Richard A JR — EVPGrant/award (A): 4,523 @ $0 · Tax withholding (F): 1,537 @ $19.91EDGAR
2026-03-044Pilmer Donald — EVPGrant/award (A): 9,201 @ $0 · Tax withholding (F): 2,720 @ $19.91EDGAR
2026-03-044ADAMS BRADLEY S. — CFO & COOGrant/award (A): 15,657 @ $0 · Tax withholding (F): 4,587 @ $19.91EDGAR
2026-03-044Eccher James — CHAIRMAN AND CEO, DirectorGrant/award (A): 43,818 @ $0 · Tax withholding (F): 12,838 @ $19.91EDGAR
2026-03-044COLLINS GARY S — VICE CHAIRMAN, DirectorGrant/award (A): 14,432 @ $0 · Tax withholding (F): 4,228 @ $19.91EDGAR
2026-02-244Campbell Darin Patrick — President, Powersports Lending, DirectorGrant/award (A): 10,562 @ $0EDGAR
2026-02-244Kotche Keith — DirectorGrant/award (A): 3,121 @ $0 · Tax withholding (F): 3,077 @ $20.57EDGAR
2026-02-244Williams John JR — DirectorGrant/award (A): 3,121 @ $0 · Tax withholding (F): 3,077 @ $20.57EDGAR
2026-02-244Gartelmann Richard A JR — EVPGrant/award (A): 5,912 @ $0 · Tax withholding (F): 894 @ $20.57EDGAR
2026-02-244Lyons Billy J Jr. — DirectorGrant/award (A): 3,121 @ $0 · Tax withholding (F): 3,077 @ $20.57EDGAR
2026-02-244Pilmer Donald — EVPGrant/award (A): 11,292 @ $0 · Tax withholding (F): 1,818 @ $20.57EDGAR
2026-02-244Temple Rocks Patti — DirectorGrant/award (A): 3,121 @ $0 · Tax withholding (F): 3,077 @ $20.57EDGAR
2026-02-244ADAMS BRADLEY S. — CFO & COOGrant/award (A): 25,428 @ $0 · Tax withholding (F): 2,923 @ $20.57EDGAR
2026-02-244Eccher James — CHAIRMAN AND CEO, DirectorGrant/award (A): 54,010 @ $0 · Tax withholding (F): 7,515 @ $20.57EDGAR
2026-02-244Finn Barry — DirectorGrant/award (A): 3,121 @ $0 · Tax withholding (F): 3,077 @ $20.57EDGAR
2026-02-244YORK JILL E — DirectorGrant/award (A): 3,121 @ $0 · Tax withholding (F): 3,077 @ $20.57EDGAR
2026-02-244KLAESER DENNIS L — DirectorGrant/award (A): 3,121 @ $0 · Tax withholding (F): 3,077 @ $20.57EDGAR
2026-02-244BONIFAS EDWARD — DirectorGrant/award (A): 3,121 @ $0 · Tax withholding (F): 3,077 @ $20.57EDGAR
2026-02-244COLLINS GARY S — VICE CHAIRMAN, DirectorGrant/award (A): 8,858 @ $0 · Tax withholding (F): 2,784 @ $20.57EDGAR
2026-02-244MCLEAN HUGH H — DirectorGrant/award (A): 3,121 @ $0 · Tax withholding (F): 3,077 @ $20.57EDGAR
2026-02-194Campbell Darin Patrick — President, Powersports Lending, DirectorSale (S): 35,000 @ $20.94EDGAR
2026-02-184Campbell Darin Patrick — President, Powersports Lending, DirectorSale (S): 91 @ $20.70EDGAR
2026-02-104Lyons Billy J Jr. — DirectorGrant/award (A): 23 @ $21.21EDGAR
2026-02-054Gartelmann Richard A JR — EVPSale (S): 2,000 @ $20.98EDGAR
2026-01-164Ladowicz John — DirectorSale (S): 2,897 @ $20.94 · Sale (S): 1,865 @ $20.96EDGAR
2026-01-054COLLINS GARY S — VICE CHAIRMAN, DirectorOther (J): 40 @ $0EDGAR

Recent 8-K events — OLD SECOND BANCORP INC

FiledFormItems reportedSource
2026-07-228-K2.02 — Results of Operations and Financial Condition
9.01 — Financial Statements and Exhibits
EDGAR
2026-07-218-K8.01 — Other EventsEDGAR
2026-07-088-K5.02 — Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain OfficersEDGAR
2026-07-018-K8.01 — Other EventsEDGAR
2026-06-258-K8.01 — Other EventsEDGAR
2026-06-098-K5.02 — Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain OfficersEDGAR
2026-05-208-K5.07 — Submission of Matters to a Vote of Security HoldersEDGAR
2026-05-198-K7.01 — Regulation FD Disclosure
9.01 — Financial Statements and Exhibits
EDGAR
2026-04-228-K2.02 — Results of Operations and Financial Condition
9.01 — Financial Statements and Exhibits
EDGAR
2026-04-218-K8.01 — Other EventsEDGAR
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