Old Second Bancorp INC Form 4 insider transactions

Director Dennis L. Klaeser of Old Second Bancorp Inc. reported the acquisition of 3,121 restricted stock units and the vesting of 3,077 restricted stock units.

Old Second Bancorp Director Barry Finn reported the acquisition of new restricted stock units and the vesting of previous awards.

Old Second Bancorp Director Edward Bonifas reported the vesting of Restricted Stock Units and subsequent disposition of shares for tax purposes.

Gary S. Collins, Vice Chairman of Old Second Bancorp Inc., reported the acquisition of 8,858 restricted stock units and the disposition of 2,784 units for tax withholding purposes.

Old Second Bancorp Inc.'s Chairman and CEO, James Eccher, received a grant of 54,010 restricted stock units and had shares withheld for tax obligations.

Old Second Bancorp EVP Donald Pilmer reported the grant of 11,292 restricted stock units and the disposition of 1,818 units for tax obligations.

Old Second Bancorp EVP Richard A. Gartelmann Jr. reported the grant of 5,912 restricted stock units and the vesting of previously awarded units, with shares withheld for taxes.

Old Second Bancorp's CFO & COO, Bradley S. Adams, reported the grant of 25,428 restricted stock units and the disposition of 2,923 units for tax withholding.

Old Second Bancorp's President of Powersports Lending, Darin Patrick Campbell, received a grant of 10,562 restricted stock units, split between time-based and performance-based vesting.

Darin Patrick Campbell, an Old Second Bancorp director and officer, sold 35,000 shares and corrected a data import error from a previous filing.

Old Second Bancorp Director Billy J. Lyons Jr. acquired 23 shares of common stock at $21.21 per share under a pre-arranged trading plan.

Old Second Bancorp EVP Richard A. Gartelmann JR sold 2,000 shares of common stock for $20.975 per share under a pre-arranged trading plan.

Old Second Bancorp Director John Ladowicz sold 4,762 shares of common stock in pre-planned transactions.

Old Second Bancorp CEO James Eccher increased his beneficial ownership of company common stock through routine employee savings and profit-sharing plan allocations.

Old Second Bancorp Vice Chairman Gary Collins reported changes in his beneficial ownership of company common stock, including an acquisition of 40 shares through a 401-K plan.

Old Second Bancorp's CFO and COO, Bradley S. Adams, disclosed changes in his beneficial ownership of common stock and restricted stock units.

Old Second Bancorp EVP Donald Pilmer acquired 15 shares of common stock through his 401-K plan, increasing his indirect beneficial ownership.

Old Second Bancorp EVP Richard A. Gartelmann Jr. reported an acquisition of 47 common shares through the company's Salary and Savings Plan.

Old Second Bancorp Director John Ladowicz sold 12,500 shares of common stock for $20 per share under a pre-arranged trading plan.

Old Second Bancorp Director John Ladowicz reported the sale of 13,150 common shares and the vesting of 10,551 restricted stock units.

Old Second Bancorp Director Billy J. Lyons Jr. acquired 27 shares of common stock at $18.35 per share on November 10, 2025.

Darin Patrick Campbell, a Director and Officer of Old Second Bancorp Inc., sold a total of 57,565 shares of common stock for over $1 million through pre-arranged Rule 10b5-1 plans.

Old Second Bancorp CEO James Eccher increased his indirect beneficial ownership of common stock through employee profit sharing and 401-K plans.

Old Second Bancorp's CFO and COO, Bradley S. Adams, reported an acquisition of 35 common shares through the company's 401-k plan, increasing his indirect beneficial ownership.

Old Second Bancorp Vice Chairman Gary S. Collins acquired 62 shares of common stock through an employee savings plan.

Donald Pilmer, Executive Vice President of Old Second Bancorp Inc., increased his beneficial ownership through allocations in company employee plans.

Old Second Bancorp EVP Richard A Gartelmann JR reported the acquisition of 44 common shares through the company's 401-K plan.

Old Second Bancorp Director Billy J. Lyons Jr. purchased 25 shares of common stock, increasing his direct beneficial ownership.

Darin Patrick Campbell, a Director and President of Powersports Lending at Old Second Bancorp, Inc., significantly increased his beneficial ownership of company common stock through a merger-related share conversion.

Richard A. Gartelmann Jr., Executive Vice President of Old Second Bancorp Inc., acquired 47 shares of common stock through the company's employee savings plan, increasing his indirect beneficial ownership.