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CIK 0000357173 · Large accelerated filer

OLD SECOND BANCORP INC

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Ticker
OSBC
Exchange
Nasdaq
Industry
State Commercial Banks
FY end
Dec 31
Incorporated
DE
Entity type
operating
EIN
363143493
Phone
6308920202
Business address
37 S RIVER ST, AURORA, IL, 60507
Open-market buys, last 90 days
$572
in 1 filing
Open-market sales, last 90 days
$2,420,340
in 5 filings

Net −$2,419,767. Shares bought or sold at a price by officers, directors and 10% owners (Form 4 codes P and S). Grants, option exercises and tax withholding aren't counted.

Pace of trading Bought Sold

Who's trading

90 days

  1. MCLEAN HUGH H −$1.3M Director sold 27% of stake
  2. Campbell Darin Patrick −$613K President, Powersports Lending sold 9% of stake
  3. COLLINS GARY S −$524K VICE CHAIRMAN sold 60% of stake
  4. Lyons Billy J Jr. +$572 Director 1 filing

Reading 100 more Form 4s from the SEC; this list fills in as they're read.

Date Insider Transaction Shares Price Value Owned after
2026-03-02 Pilmer Donald EVP Grant or award +9,201 66,573
2026-03-02 Pilmer Donald EVP Shares withheld for taxes −2,720 $19.91 $54K 73,054
2026-03-02 ADAMS BRADLEY S. CFO & COO Grant or award +15,657 164,988
2026-03-02 ADAMS BRADLEY S. CFO & COO Shares withheld for taxes −4,587 $19.91 $91K 160,401
2026-03-02 Eccher James CHAIRMAN AND CEO Grant or award +43,818 391,237
2026-03-02 Eccher James CHAIRMAN AND CEO Shares withheld for taxes −12,838 $19.91 $256K 378,399
2026-03-02 COLLINS GARY S VICE CHAIRMAN Grant or award +14,432 5,462
2026-03-02 COLLINS GARY S VICE CHAIRMAN Shares withheld for taxes −4,228 $19.91 $84K 15,666
2026-02-21 Williams John JR Director Other disposition −3,077 10,595
2026-02-21 Williams John JR Director Other acquisition +3,077 36,830
2026-02-21 YORK JILL E Director Other disposition −3,077 10,595
2026-02-21 YORK JILL E Director Other acquisition +3,077 3,077
2026-02-21 Kotche Keith Director Other disposition −3,077 10,595
2026-02-21 Kotche Keith Director Other acquisition +3,077 187,461
2026-02-21 Lyons Billy J Jr. Director Other disposition −3,077 10,595
2026-02-21 Lyons Billy J Jr. Director Other acquisition +3,077 20,073
2026-02-21 Temple Rocks Patti Director Other disposition −3,077 10,595
2026-02-21 Temple Rocks Patti Director Other acquisition +3,077 20,351
2026-02-21 Finn Barry Director Other disposition −3,077 10,595
2026-02-21 Finn Barry Director Other acquisition +3,077 88,737

Page 3 of 9 · 168 trades