OLD SECOND BANCORP INC (OSBC) - Dilution Analysis

Visualizing historical and potential share dilution over time

Dilution Analysis

Medium Risk
Moderate dilution risk
Last updated: May 07, 2026

Risk Assessment Details

Potential Dilution: 16.43% of current shares
Recent Dilution: 17.4% (2 years)
Historical Dilution Factor: moderate recent dilution
Outstanding Shares
52M
Potential Supply
8.6M
Additional shares possible
Splits
None
Past 2 years

Summary

OSBC currently has 52.5M outstanding shares. with limited dilution risk as only 8.62M additional shares (16.4%) are authorized for issuance. The company has diluted shareholders by 17.4% over the past 2 years through share issuances.

Share Structure Timeline

Outstanding Shares
Total Supply

Historical Data Points

Date Event Outstanding Supply
May 07, 2026

10-Q filing | 52.5M shares outstanding

52M 8.6M
Aug 07, 2025

10-Q filing | 52.7M shares outstanding

53M 8.4M
May 09, 2025

10-Q filing | 45.0M shares outstanding

45M 16M
Mar 06, 2025

10-K filing | 44.8M shares outstanding

45M 16M
Nov 07, 2024

10-Q filing | 44.9M shares outstanding

45M 16M
Aug 08, 2024

10-Q filing | 44.8M shares outstanding

45M 16M
May 09, 2024

10-Q filing | 44.8M shares outstanding

45M 16M
Mar 07, 2024

10-K filing | 44.7M shares outstanding

45M 16M
Nov 08, 2023

10-Q filing | 44.7M shares outstanding

45M 16M
Aug 24, 2023

S-3/A filing: Old Second Bancorp, Inc. may offer and sell securities, including common stock, preferred stock, debt securities, warrants, depositary shares, subscription rights, stock purchase contracts, stock purchase units and units, up to a total initial offering price not exceeding $200,000,000.

45M 16M
Aug 18, 2023

S-3 filing: Old Second Bancorp, Inc. intends to offer and sell various securities, including common stock, preferred stock, and debt securities, up to a total of $200,000,000, for general corporate purposes.

45M 16M
Aug 08, 2023

10-Q filing | 44.7M shares outstanding

45M 2.5M
May 09, 2023

10-Q filing | 44.6M shares outstanding

45M 2.6M
Mar 09, 2023

10-K filing | 44.5M shares outstanding

45M 2.7M
Nov 08, 2022

10-Q filing | 44.6M shares outstanding

45M 2.6M
Aug 08, 2022

10-Q filing | 44.5M shares outstanding

44M 2.7M
May 09, 2022

10-Q filing | 44.5M shares outstanding

44M 2.7M
Mar 10, 2022

10-K filing | 44.5M shares outstanding

44M 2.7M
Nov 05, 2021

10-Q filing | 28.7M shares outstanding

29M 18M
Aug 06, 2021

10-Q filing | 28.8M shares outstanding

29M 18M
May 07, 2021

10-Q filing | 29.2M shares outstanding

29M 18M
Mar 08, 2021

10-K filing | 29.6M shares outstanding

30M 18M
Nov 06, 2020

10-Q filing | 29.6M shares outstanding

30M 18M
Oct 21, 2020

8-K filing: Old Second Bancorp, Inc. received a notice of non-objection from the Federal Reserve Bank of Chicago to extend its previously-announced stock repurchase program, which originally authorized the Company to repurchase up to 1,494,826 shares of the Company's common stock, with 898,415 shares remaining available as of October 20, 2020.

30M 18M
Aug 10, 2020

S-3 filing: The filing is an S-3 form indicating a shelf registration for various securities including common stock, preferred stock, and debt securities, with a total offering price not exceeding $150,000,000.

30M 18M
Aug 07, 2020

10-Q filing | 29.6M shares outstanding

30M 0
May 11, 2020

10-Q filing | 29.8M shares outstanding

30M 0
Mar 06, 2020

10-K filing | 30.0M shares outstanding

30M 0
Weekly Research

Get Weekly Super Stonk Alerts

Never miss a squeeze opportunity. Get our weekly analysis of high short interest stocks, AI-discovered gems, and dilution warnings delivered to your inbox.

No spam Unsubscribe anytime