Insider Ledger

OSBC insider buying and SEC filings, explained

Old Second Bancorp Inc. · CIK 357173

Tracked: Forms 3/4/5, 8-K, NT · All filings on sec.gov

Company profile

Exchanges
Nasdaq
Industry (SIC)
State Commercial Banks
State of incorporation
DE
Fiscal year end
Dec 31

Insider activity in the last 12 months

Bought
$0
Insiders who bought
0
Sold (not marked 10b5-1)
$6.4M
Planned sales (10b5-1)
$1.9M

Insider purchases and sales, last 12 months

TradedTypeWhat was filedSource
Sep 23, 2026SaleGary S. Collins (Director and Vice Chairman) sold 16,000 shares at about $24.69 ($395K). Holdings down 53% to 14,136 shares. Not marked as a 10b5-1 plan trade.SEC filing
Filed Sep 23, 2026
Sep 4, 2026SaleGary S. Collins (Director and Vice Chairman) sold 5,000 shares indirectly (by retirement or benefit plan) at $25.71 ($129K). Holdings by retirement or benefit plan down 9% to 53,136 shares. Not marked as a 10b5-1 plan trade.SEC filing
Filed Sep 11, 2026
Sep 8, 2026SaleHugh H. Mclean (Director) sold 25,000 shares at about $25.63 ($641K). Holdings down 16% to 135,351 shares. Not marked as a 10b5-1 plan trade.SEC filing
Filed Sep 8, 2026
Sep 3, 2026SaleHugh H. Mclean (Director) sold 25,000 shares at $25.73 ($643K). Holdings down 16% to 135,351 shares. Not marked as a 10b5-1 plan trade.SEC filing
Filed Sep 3, 2026
Sep 2, 2026SaleDarin Patrick Campbell (President / COO and Director) sold 24,000 shares at about $25.53 ($613K). Holdings down 9% to 250,589 shares. Not marked as a 10b5-1 plan trade.SEC filing
Filed Sep 3, 2026
Aug 12, 2026Planned (10b5-1)James Eccher (CEO and Director) sold 19,313 shares at about $25.61 ($495K), marked as a 10b5-1 plan trade. Holdings down 6% to 303,399 shares.SEC filing
Filed Aug 13, 2026
Aug 11, 2026Planned (10b5-1)James Eccher (CEO and Director) sold 55,687 shares at about $25.46 ($1.4M), marked as a 10b5-1 plan trade. Holdings down 15% to 322,712 shares.SEC filing
Filed Aug 12, 2026
May 22, 2026SaleGary S. Collins (Director and Vice Chairman) sold 5,120 shares indirectly (by retirement or benefit plan) at $21.12 ($108K). Holdings by retirement or benefit plan down 8% to 58,136 shares. Not marked as a 10b5-1 plan trade.SEC filing
Filed May 26, 2026
May 21, 2026SaleGary S. Collins (Director and Vice Chairman) sold 10,000 shares indirectly (by retirement or benefit plan) at $21.12 ($211K). Holdings by retirement or benefit plan down 14% to 63,256 shares. Not marked as a 10b5-1 plan trade.SEC filing
Filed May 21, 2026
May 11, 2026Purchase (code P)Billy J Lyons Jr. (Director) bought 24 shares at $20.90 ($502), reported as a purchase (code P). Holdings up <1% to 20,097 shares. Not marked as a 10b5-1 plan trade.SEC filing
Filed May 12, 2026
May 11, 2026SaleDonald Pilmer (EVP) sold 25,000 shares at $20.75 ($519K). Holdings down 34% to 48,054 shares. Not marked as a 10b5-1 plan trade.SEC filing
Filed May 11, 2026
May 8, 2026SaleGary S. Collins (Director and Vice Chairman) sold 15,000 shares directly and indirectly (by retirement or benefit plan) at about $21.24 ($319K). Direct holdings down 25% to 30,136 shares. Not marked as a 10b5-1 plan trade.SEC filing
Filed May 11, 2026
Mar 20, 2026SaleGary S. Collins (Director and Vice Chairman) sold 22,154 shares at about $19.38 ($429K). Holdings down 36% to 40,136 shares. Not marked as a 10b5-1 plan trade.SEC filing
Filed Mar 23, 2026
Feb 18, 2026SaleDarin Patrick Campbell (President / COO and Director) sold 35,000 shares at $20.94 ($733K). Holdings down 11% to 274,589 shares. Not marked as a 10b5-1 plan trade.SEC filing
Filed Feb 19, 2026
Feb 13, 2026SaleDarin Patrick Campbell (President / COO and Director) sold 91 shares at $20.70 ($2K). Holdings down <1% to 309,589 shares. Not marked as a 10b5-1 plan trade.SEC filing
Filed Feb 18, 2026
Feb 5, 2026SaleRichard A Gartelmann JR (EVP) sold 2,000 shares at $20.98 ($42K). Holdings down 7% to 24,874 shares. Not marked as a 10b5-1 plan trade.SEC filing
Filed Feb 5, 2026
Jan 15, 2026SaleJohn Ladowicz (Director) sold 4,762 shares indirectly (by retirement or benefit plan) at about $20.95 ($100K). Holdings by retirement or benefit plan down 3% to 144,892 shares. Not marked as a 10b5-1 plan trade.SEC filing
Filed Jan 16, 2026
Dec 9, 2025SaleJohn Ladowicz (Director) sold 12,500 shares indirectly (by retirement or benefit plan) at $20.00 ($250K). Holdings by retirement or benefit plan down 8% to 149,654 shares. Not marked as a 10b5-1 plan trade.SEC filing
Filed Dec 9, 2025
Nov 26, 2025SaleJohn Ladowicz (Director) sold 13,150 shares indirectly (by retirement or benefit plan) at $19.01 ($250K). Holdings by retirement or benefit plan down 8% to 162,154 shares. Not marked as a 10b5-1 plan trade.SEC filing
Filed Nov 26, 2025
Oct 30–31, 2025SaleDarin Patrick Campbell (President / COO and Director) sold 57,565 shares indirectly (by retirement or benefit plan) between Oct 30, 2025 and Oct 31, 2025 at about $18.06 ($1.0M). Holdings by retirement or benefit plan down 100% to 0 shares. Not marked as a 10b5-1 plan trade.SEC filing
Filed Nov 7, 2025

47 routine transactions (such as grants, option exercises or tax withholding) are not listed.

Cluster buys

No cluster buys in the last 12 months.

Red flags

No red flags in the last 12 months.

Key events

No key events in the last 12 months.

8-K filings, last 12 months

No 8-K filings in the last 12 months.

Red flags are objective triggers only: the item or form filed, never an opinion.

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