O

SEC EDGAR - Form 4 insider activity

Old Second Bancorp Inc $OSBC

Tracked equity - 6 filings indexed by Nortis

Nortis signal thesis

Cluster activity detected. Review whether the filings are open-market trades or routine compensation events.

5

OM buys - 90d

1

OM sells - 90d

0

Routine filings

5

Cluster filings

-

Largest trade

74/100

Avg signal score

Filing tape

Recent filings

Last 30d: 6
Reported SellNotable 50/100
filed 2026-10-20
BEBoard

BONIFAS EDWARD - Director - -

Insiders sell for many reasons (diversification, tax, personal); size and clustering matter more than a single sale.

View source filing
Reported BuyCLUSTERHigh signal 85/100
filed 2026-10-01
EJCEO

Eccher James - Director, CHAIRMAN AND CEO - -

Open-market purchases use the insider's own money, so they are generally more informative than awards or option mechanics. It is part of a cluster (3+ insiders within 7 days), which is generally more notable than an isolated filing.

View source filing
Reported BuyCLUSTERHigh signal 85/100
filed 2026-10-01
ASCFO

ADAMS BRADLEY S. - CFO & COO - -

Open-market purchases use the insider's own money, so they are generally more informative than awards or option mechanics. It is part of a cluster (3+ insiders within 7 days), which is generally more notable than an isolated filing.

View source filing
Reported BuyCLUSTERHigh signal 70/100
filed 2026-10-01
GJInsider

Gartelmann Richard A JR - EVP - -

Open-market purchases use the insider's own money, so they are generally more informative than awards or option mechanics. It is part of a cluster (3+ insiders within 7 days), which is generally more notable than an isolated filing.

View source filing
Reported BuyCLUSTERHigh signal 70/100
filed 2026-10-01
PDInsider

Pilmer Donald - EVP - -

Open-market purchases use the insider's own money, so they are generally more informative than awards or option mechanics. It is part of a cluster (3+ insiders within 7 days), which is generally more notable than an isolated filing.

View source filing
Reported BuyCLUSTERHigh signal 85/100
filed 2026-10-01
CSBoard

COLLINS GARY S - Director, VICE CHAIRMAN - -

Open-market purchases use the insider's own money, so they are generally more informative than awards or option mechanics. It is part of a cluster (3+ insiders within 7 days), which is generally more notable than an isolated filing.

View source filing