3M CO (MMM) - Dilution Analysis

Visualizing historical and potential share dilution over time

Dilution Analysis

Low Risk
Limited dilution potential
Last updated: October 21, 2025

Risk Assessment Details

Potential Dilution: 0.0% of current shares
Recent Dilution: 0.04% (2 years)
Historical Dilution Factor: minimal recent dilution
Outstanding Shares
530M
Potential Supply
0
Additional shares possible
Splits
None
Past 2 years

Summary

MMM currently has 534M outstanding shares. with minimal authorized share overhang for future dilution. The company has minimally diluted shareholders by 0.04% over the past 2 years.

Share Structure Timeline

Outstanding Shares
Total Supply

Historical Data Points

Date Event Outstanding Supply
Oct 21, 2025

10-Q filing | 534.1M shares outstanding

530M 0
Jul 18, 2025

10-Q filing | 537.4M shares outstanding

540M 0
Apr 22, 2025

10-Q filing | 543.8M shares outstanding

540M 0
Feb 05, 2025

10-K filing | 550.8M shares outstanding

550M 0
Oct 22, 2024

10-Q filing | 550.6M shares outstanding

550M 0
Jul 26, 2024

10-Q filing | 553.8M shares outstanding

550M 0
Apr 30, 2024

10-Q filing | 555.0M shares outstanding

560M 0
Feb 07, 2024

10-K filing | 553.9M shares outstanding

550M 0
Oct 24, 2023

10-Q filing | 554.3M shares outstanding

550M 0
Jul 25, 2023

10-Q filing | 553.9M shares outstanding

550M 0
Apr 25, 2023

10-Q filing | 552.7M shares outstanding

550M 0
Feb 08, 2023

10-K filing | 566.0M shares outstanding

570M 0
Oct 25, 2022

10-Q filing | 568.8M shares outstanding

570M 0
Jul 27, 2022

10-Q filing | 571.0M shares outstanding

570M 0
Apr 26, 2022

10-Q filing | 572.3M shares outstanding

570M 0
Feb 09, 2022

10-K filing | 579.0M shares outstanding

580M 0
Oct 26, 2021

10-Q filing | 579.6M shares outstanding

580M 0
Aug 09, 2021

8-K filing: Ivan K. Fong, Executive Vice President, Chief Legal and Policy Officer and Secretary, adopted a prearranged trading plan on August 6, 2021, in accordance with guidelines specified by Rule 10b5-1 under the Securities Exchange Act of 1934, contemplating the exercise of stock options for 22,182 shares of 3M common stock and the sale of shares to cover the exercise price and taxes, expected to be completed by November 18, 2021.

580M 0
Aug 02, 2021

8-K filing: Michael F. Roman, Chairman and Chief Executive Officer, adopted a prearranged trading plan on July 30, 2021, to exercise stock options and sell shares of 3M common stock under Rule 10b5-1.

580M 0
Jul 27, 2021

10-Q filing | 581.0M shares outstanding

580M 0
Apr 27, 2021

10-Q filing | 580.5M shares outstanding

580M 0
Feb 09, 2021

8-K filing: Ivan K. Fong, Senior Vice President, General Counsel and Secretary, adopted a prearranged trading plan on February 9, 2021, in accordance with Rule 10b5-1, which contemplates the exercise of a fully vested employee stock option to purchase 12,059 shares of 3M common stock and the sale of shares to cover the exercise price and related tax obligations.

580M 0
Feb 04, 2021

10-K filing | 577.6M shares outstanding

580M 0
Feb 03, 2021

8-K filing: Kristen Ludgate, Senior Vice President, Human Resources, adopted a prearranged trading plan on February 3, 2021, to sell up to 933 shares of 3M common stock that constitute fully vested shares from restricted stock previously granted to her under a 3M equity compensation plan and shares she purchased pursuant to 3M's general employees stock purchase plan, with transactions expected to be completed by September 30, 2021, if the stock price is at or above a minimum price specified in the plan.

580M 0
Oct 27, 2020

10-Q filing | 577.8M shares outstanding

580M 0
Aug 20, 2020

8-K filing: Ivan K. Fong, Senior Vice President, General Counsel and Secretary, adopted a prearranged trading plan on August 20, 2020, in accordance with guidelines specified by Rule 10b5-1 under the Securities Exchange Act of 1934 and with 3M Company's policies regarding transactions in 3M securities by insiders, contemplating the exercise of a fully vested employee stock option to purchase 15,073 shares of 3M common stock and the subsequent sale of shares to cover the exercise price and related tax obligations.

580M 0
Jul 28, 2020

10-Q filing | 577.0M shares outstanding

580M 0
Apr 28, 2020

10-Q filing | 576.8M shares outstanding

580M 0
Feb 06, 2020

10-K filing | 577.0M shares outstanding

580M 0
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