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OLD SECOND BANCORP INC

OSBC · CIK 0000357173

SEC FORM 4
$395,080.00

OLD SECOND BANCORP INC (OSBC)

Sale of 16,000 shares at $24.6925 per share.

Reporting Person COLLINS GARY S · Officer Title VICE CHAIRMAN · Transaction Code S

Traded Sep 23, 2026 · Disclosed Sep 23, 2026

Source: SEC Form 4 · 0001184766-26-000022 · filed 2026-09-23 · View filing →

SEC FORM 4
$128,525.00

OLD SECOND BANCORP INC (OSBC)

Sale of 5,000 shares at $25.705 per share.

Reporting Person COLLINS GARY S · Officer Title VICE CHAIRMAN · Transaction Code S

Traded Sep 4, 2026 · Disclosed Sep 11, 2026FILED +7 DAYS

Source: SEC Form 4 · 0001184766-26-000020 · filed 2026-09-11 · View filing →

SEC FORM 4
$640,767.50

OLD SECOND BANCORP INC (OSBC)

Sale of 25,000 shares at $25.6307 per share.

Reporting Person MCLEAN HUGH H · Transaction Code S

Traded Sep 8, 2026 · Disclosed Sep 8, 2026

Source: SEC Form 4 · 0001184764-26-000008 · filed 2026-09-08 · View filing →

SEC FORM 4
$612,792.00

OLD SECOND BANCORP INC (OSBC)

Sale of 24,000 shares at $25.533 per share.

Reporting Person Campbell Darin Patrick · Officer Title President, Powersports Lending · Transaction Code S

Traded Sep 2, 2026 · Disclosed Sep 3, 2026

Source: SEC Form 4 · 0002074132-26-000008 · filed 2026-09-03 · View filing →

SEC FORM 4
$494,700.56

OLD SECOND BANCORP INC (OSBC)

Sale of 19,313 shares at $25.6149 per share.

Reporting Person Eccher James · Officer Title CHAIRMAN AND CEO · Transaction Code S

Traded Aug 12, 2026 · Disclosed Aug 13, 2026

Source: SEC Form 4 · 0001314109-26-000014 · filed 2026-08-13 · View filing →

SEC FORM 4
$1,417,763.18

OLD SECOND BANCORP INC (OSBC)

Sale of 55,687 shares at $25.4595 per share.

Reporting Person Eccher James · Officer Title CHAIRMAN AND CEO · Transaction Code S

Traded Aug 11, 2026 · Disclosed Aug 12, 2026

Source: SEC Form 4 · 0001314109-26-000012 · filed 2026-08-12 · View filing →