MDU RESOURCES GROUP INC (MDU) - Dilution Analysis

Visualizing historical and potential share dilution over time

Dilution Analysis

Low Risk
Limited dilution potential
Last updated: May 07, 2026

Risk Assessment Details

Potential Dilution: 0.0% of current shares
Recent Dilution: 1.77% (2 years)
Historical Dilution Factor: minimal recent dilution
Outstanding Shares
210M
Potential Supply
0
Additional shares possible
Splits
None
Past 2 years

Summary

MDU currently has 207M outstanding shares. with minimal authorized share overhang for future dilution. The company has minimally diluted shareholders by 1.77% over the past 2 years.

Share Structure Timeline

Outstanding Shares
Total Supply

Historical Data Points

Date Event Outstanding Supply
May 07, 2026

10-Q filing | 207.0M shares outstanding

210M 0
Dec 29, 2025

8-K filing: MDU Resources Group, Inc. completed the sale of an additional 1,522,842 shares of common stock to the Underwriters after the full exercise of their option.

200M 0
Dec 05, 2025

8-K filing: MDU Resources Group, Inc. entered into forward sale agreements with Wells Fargo Bank, Bank of America, and JPMorgan Chase Bank for 10,152,284 shares of common stock and granted underwriters an option to purchase an additional 1,522,842 shares.

200M 0
Aug 07, 2025

10-Q filing | 204.3M shares outstanding

200M 0
May 08, 2025

10-Q filing | 204.1M shares outstanding

200M 0
Feb 20, 2025

10-K filing | 204.7M shares outstanding

200M 0
Nov 07, 2024

10-Q filing | 203.9M shares outstanding

200M 0
Aug 08, 2024

10-Q filing | 203.9M shares outstanding

200M 0
May 02, 2024

10-Q filing | 203.8M shares outstanding

200M 0
Feb 22, 2024

10-K filing | 203.6M shares outstanding

200M 0
Nov 02, 2023

10-Q filing | 203.6M shares outstanding

200M 0
Aug 03, 2023

10-Q filing | 203.6M shares outstanding

200M 0
May 04, 2023

10-Q filing | 203.6M shares outstanding

200M 0
Feb 24, 2023

10-K filing | 203.5M shares outstanding

200M 0
Nov 03, 2022

10-Q filing | 203.4M shares outstanding

200M 0
Aug 05, 2022

10-Q filing | 203.4M shares outstanding

200M 0
May 05, 2022

10-Q filing | 203.4M shares outstanding

200M 0
Feb 23, 2022

10-K filing | 202.4M shares outstanding

200M 0
Nov 04, 2021

10-Q filing | 203.2M shares outstanding

200M 0
Aug 05, 2021

10-Q filing | 201.7M shares outstanding

200M 0
May 06, 2021

10-Q filing | 201.0M shares outstanding

200M 0
Feb 19, 2021

10-K filing | 200.5M shares outstanding

200M 0
Nov 05, 2020

10-Q filing | 200.5M shares outstanding

200M 0
Aug 06, 2020

10-Q filing | 200.5M shares outstanding

200M 0
May 08, 2020

10-Q filing | 200.5M shares outstanding

200M 0
Feb 21, 2020

10-K filing | 198.6M shares outstanding

200M 0
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