About this data
What it is
When a company's officers, directors or owners of more than 10% buy or sell its stock, they must report the trade to the SEC on Form 4. This feed shows purchases and sales on the open market; stock grants, option exercises and shares withheld for tax are left out.
Who files it
The insider, usually through the company, within two business days of the trade.
How current
We collect new filings throughout the day on SEC business days.
Worth knowing
Sales are often routine: insiders sell to diversify, to pay taxes, or under a 10b5-1 plan set up months in advance. A purchase with their own money is less common, which is why many investors pay closer attention to it.

All of this comes from public filings.

Open-market trades per day, last 30 days

05001,000Oct 17 · Purchases: 0Oct 17 · Sales: 0Oct 17Oct 18 · Purchases: 0Oct 18 · Sales: 0Oct 19 · Purchases: 29Oct 19 · Sales: 159Oct 20 · Purchases: 45Oct 20 · Sales: 209Oct 21 · Purchases: 38Oct 21 · Sales: 183Oct 21Oct 22 · Purchases: 50Oct 22 · Sales: 130Oct 23 · Purchases: 77Oct 23 · Sales: 126Oct 24 · Purchases: 1Oct 24 · Sales: 0Oct 25 · Purchases: 0Oct 25 · Sales: 0Oct 25Oct 26 · Purchases: 60Oct 26 · Sales: 171Oct 27 · Purchases: 27Oct 27 · Sales: 217Oct 28 · Purchases: 44Oct 28 · Sales: 135Oct 29 · Purchases: 35Oct 29 · Sales: 199Oct 29Oct 30 · Purchases: 68Oct 30 · Sales: 270Oct 31 · Purchases: 3Oct 31 · Sales: 0Nov 1 · Purchases: 2Nov 1 · Sales: 0Nov 2 · Purchases: 79Nov 2 · Sales: 826Nov 2Nov 3 · Purchases: 66Nov 3 · Sales: 337Nov 4 · Purchases: 67Nov 4 · Sales: 535Nov 5 · Purchases: 108Nov 5 · Sales: 458Nov 6 · Purchases: 137Nov 6 · Sales: 390Nov 6Nov 7 · Purchases: 0Nov 7 · Sales: 0Nov 8 · Purchases: 0Nov 8 · Sales: 0Nov 9 · Purchases: 110Nov 9 · Sales: 457Nov 10 · Purchases: 97Nov 10 · Sales: 406Nov 10Nov 11 · Purchases: 98Nov 11 · Sales: 330Nov 12 · Purchases: 54Nov 12 · Sales: 167Nov 13 · Purchases: 23Nov 13 · Sales: 28Nov 14 · Purchases: 0Nov 14 · Sales: 0Nov 14Nov 15 · Purchases: 0Nov 15 · Sales: 0
05001,000Oct 17 · Purchases: 0Oct 17 · Sales: 0Oct 17Oct 18 · Purchases: 0Oct 18 · Sales: 0Oct 19 · Purchases: 29Oct 19 · Sales: 159Oct 20 · Purchases: 45Oct 20 · Sales: 209Oct 21 · Purchases: 38Oct 21 · Sales: 183Oct 21Oct 22 · Purchases: 50Oct 22 · Sales: 130Oct 23 · Purchases: 77Oct 23 · Sales: 126Oct 24 · Purchases: 1Oct 24 · Sales: 0Oct 25 · Purchases: 0Oct 25 · Sales: 0Oct 25Oct 26 · Purchases: 60Oct 26 · Sales: 171Oct 27 · Purchases: 27Oct 27 · Sales: 217Oct 28 · Purchases: 44Oct 28 · Sales: 135Oct 29 · Purchases: 35Oct 29 · Sales: 199Oct 29Oct 30 · Purchases: 68Oct 30 · Sales: 270Oct 31 · Purchases: 3Oct 31 · Sales: 0Nov 1 · Purchases: 2Nov 1 · Sales: 0Nov 2 · Purchases: 79Nov 2 · Sales: 826Nov 2Nov 3 · Purchases: 66Nov 3 · Sales: 337Nov 4 · Purchases: 67Nov 4 · Sales: 535Nov 5 · Purchases: 108Nov 5 · Sales: 458Nov 6 · Purchases: 137Nov 6 · Sales: 390Nov 6Nov 7 · Purchases: 0Nov 7 · Sales: 0Nov 8 · Purchases: 0Nov 8 · Sales: 0Nov 9 · Purchases: 110Nov 9 · Sales: 457Nov 10 · Purchases: 97Nov 10 · Sales: 406Nov 10Nov 11 · Purchases: 98Nov 11 · Sales: 330Nov 12 · Purchases: 54Nov 12 · Sales: 167Nov 13 · Purchases: 23Nov 13 · Sales: 28Nov 14 · Purchases: 0Nov 14 · Sales: 0Nov 14Nov 15 · Purchases: 0Nov 15 · Sales: 0

Purchases Sales

By trade date. Insiders have two business days to file, so the most recent days fill in later.

Latest open-market insider trades

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Showing: ticker OSBC

Latest open-market insider trades
TradedInsiderCompanyTypeSharesPriceValueFiling
Nov 9, 2026Billy J. Lyons Jr.
Director
OSBC
Old Second Bancorp, Inc.
Buy23$24.88$572 BuyForm 4 ↗
Sep 23, 2026Gary S. Collins
VICE CHAIRMAN, Director
OSBC
Old Second Bancorp, Inc.
Sale16,000$24.69$395.0K SaleForm 4 ↗
Sep 8, 2026Hugh H. McLean
Director
OSBC
Old Second Bancorp, Inc.
Sale25,000$25.63$640.8K SaleForm 4 ↗
Sep 4, 2026Gary S. Collins
VICE CHAIRMAN, Director
OSBC
Old Second Bancorp, Inc.
Sale5,000$25.71$128.6K SaleForm 4 ↗
Sep 2, 2026Darin Patrick Campbell
President, Powersports Lending, Director
OSBC
Old Second Bancorp, Inc.
Sale24,000$25.53$612.7K SaleForm 4 ↗
Aug 12, 2026James Eccher
CHAIRMAN AND CEO, Director
OSBC
Old Second Bancorp, Inc.
Sale19,313$25.61$494.6K SaleForm 4 ↗
Aug 11, 2026James Eccher
CHAIRMAN AND CEO, Director
OSBC
Old Second Bancorp, Inc.
Sale55,687$25.46$1.4M SaleForm 4 ↗
May 22, 2026Gary S. Collins
VICE CHAIRMAN, Director
OSBC
Old Second Bancorp, Inc.
Sale5,120$21.12$108.1K SaleForm 4 ↗
May 21, 2026Gary S. Collins
VICE CHAIRMAN, Director
OSBC
Old Second Bancorp, Inc.
Sale10,000$21.12$211.2K SaleForm 4 ↗
May 11, 2026Billy J. Lyons Jr.
Director
OSBC
Old Second Bancorp, Inc.
Buy24$20.90$502 BuyForm 4 ↗
May 11, 2026Donald Pilmer
EVP
OSBC
Old Second Bancorp, Inc.
Sale25,000$20.75$518.8K SaleForm 4 ↗
May 8, 2026Gary S. Collins
VICE CHAIRMAN, Director
OSBC
Old Second Bancorp, Inc.
Sale5,000$21.23$106.2K SaleForm 4 ↗
May 8, 2026Gary S. Collins
VICE CHAIRMAN, Director
OSBC
Old Second Bancorp, Inc.
Sale10,000$21.24$212.4K SaleForm 4 ↗
Mar 20, 2026Gary S. Collins
VICE CHAIRMAN, Director
OSBC
Old Second Bancorp, Inc.
Sale22,154$19.38$429.3K SaleForm 4 ↗
Feb 18, 2026Darin Patrick Campbell
President, Powersports Lending, Director
OSBC
Old Second Bancorp, Inc.
Sale35,000$20.94$732.9K SaleForm 4 ↗
Feb 13, 2026Darin Patrick Campbell
President, Powersports Lending, Director
OSBC
Old Second Bancorp, Inc.
Sale91$20.70$1,884 SaleForm 4 ↗
Feb 5, 2026Richard A. Gartelmann Jr.
EVP
OSBC
Old Second Bancorp, Inc.
Sale2,000$20.98$42.0K SaleForm 4 ↗
Jan 15, 2026John Ladowicz
Director
OSBC
Old Second Bancorp, Inc.
Sale1,865$20.96$39.1K SaleForm 4 ↗
Jan 15, 2026John Ladowicz
Director
OSBC
Old Second Bancorp, Inc.
Sale2,897$20.94$60.7K SaleForm 4 ↗
Dec 9, 2025John Ladowicz
Director
OSBC
Old Second Bancorp, Inc.
Sale12,500$20.00$250.0K SaleForm 4 ↗
Nov 26, 2025John Ladowicz
Director
OSBC
Old Second Bancorp, Inc.
Sale13,150$19.01$250.0K SaleForm 4 ↗
Oct 31, 2025Darin Patrick Campbell
President, Powersports Lending, Director
OSBC
Old Second Bancorp, Inc.
Sale31,159$17.89$557.4K SaleForm 4 ↗
Oct 30, 2025Darin Patrick Campbell
President, Powersports Lending, Director
OSBC
Old Second Bancorp, Inc.
Sale26,406$18.27$482.4K SaleForm 4 ↗
Aug 4, 2025Billy J. Lyons Jr.
Director
OSBC
Old Second Bancorp, Inc.
Buy25$16.61$415 BuyForm 4 ↗
Feb 10, 2025Billy J. Lyons Jr.
Director
OSBC
Old Second Bancorp, Inc.
Buy22$19.02$418 BuyForm 4 ↗
Dec 23, 2024Rocks Patti Temple
Director
OSBC
Old Second Bancorp, Inc.
Buy5,625$17.79$100.1K BuyForm 4 ↗
Nov 6, 2024John Ladowicz
Director
OSBC
Old Second Bancorp, Inc.
Sale13,888$18.27$253.7K SaleForm 4 ↗
Nov 4, 2024Billy J. Lyons Jr.
Director
OSBC
Old Second Bancorp, Inc.
Buy26$16.15$420 BuyForm 4 ↗

28 items, most recent first (up to 50). Every row links to its original filing. Updated Nov 15, 2026, 5:11 PM EST.

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