PERMA FIX ENVIRONMENTAL SERVICES INC (PESI) - Dilution Analysis

Visualizing historical and potential share dilution over time

Dilution Analysis

Medium Risk
Moderate dilution risk
Last updated: May 18, 2026

Risk Assessment Details

Potential Dilution: 0.0% of current shares
Recent Dilution: 25.54% (2 years)
Historical Dilution Factor: significant recent dilution
Outstanding Shares
19M
Potential Supply
0
Additional shares possible
Splits
None
Past 2 years

Summary

PESI currently has 18.5M outstanding shares. with minimal authorized share overhang for future dilution. The company has significantly diluted shareholders by 25.54% over the past 2 years, indicating aggressive capital raising.

Share Structure Timeline

Outstanding Shares
Total Supply

Historical Data Points

Date Event Outstanding Supply
May 18, 2026

8-K filing: Perma-Fix Environmental Services, Inc. entered into an underwriting agreement for the public offering and sale of 2,628,571 shares of common stock at $8.75 per share, including the full exercise of an over-allotment option. ($23.0M proceeds)

19M 0
May 07, 2026

10-Q filing | 18.5M shares outstanding

19M 0
Nov 10, 2025

10-Q filing | 18.5M shares outstanding

18M 0
May 08, 2025

10-Q filing | 18.4M shares outstanding

18M 0
Mar 13, 2025

10-K filing | 18.4M shares outstanding

18M 0
Dec 18, 2024

8-K filing: Perma-Fix Environmental Services, Inc. entered into an underwriting agreement with Craig-Hallum Capital Group, LLC for the sale of 2,200,000 shares of common stock at $10.00 per share, with an additional 330,000 shares sold upon the exercise of an over-allotment option, and issued warrants to the underwriter to purchase 126,500 shares of common stock at $11.50 per share. ($25.3M proceeds)

16M 55K
Dec 02, 2024

S-3 filing: Perma-Fix may offer or sell common stock, preferred stock, debt securities, depositary shares, warrants, rights, purchase contracts, and units in one or more offerings up to an aggregate offering price of $100,000,000.

16M 55K
Nov 13, 2024

10-Q filing | 15.8M shares outstanding

16M 55K
Aug 08, 2024

10-Q filing | 14.6M shares outstanding

15M 1.3M
May 24, 2024

8-K filing: Perma-Fix Environmental Services, Inc. sold 2,051,282 shares of common stock at $9.75 per share in a registered direct offering, generating gross proceeds of approximately $20 million. ($20.0M proceeds)

14M 2.2M
May 09, 2024

10-Q filing | 13.7M shares outstanding

14M 2.2M
Mar 13, 2024

10-K filing | 13.7M shares outstanding

14M 2.1M
Nov 02, 2023

10-Q filing | 13.6M shares outstanding

14M 2.3M
Aug 03, 2023

10-Q filing | 13.5M shares outstanding

13M 2.4M
May 19, 2023

S-3 filing: Perma-Fix Environmental Services, Inc. may offer from time to time up to 2,500,000 shares of common stock in one or more offerings.

13M 2.4M
May 10, 2023

10-Q filing | 13.4M shares outstanding

13M 0
Mar 23, 2023

10-K filing | 13.3M shares outstanding

13M 0
Nov 03, 2022

10-Q filing | 13.3M shares outstanding

13M 0
Aug 05, 2022

10-Q filing | 13.3M shares outstanding

13M 0
May 05, 2022

10-Q filing | 13.3M shares outstanding

13M 0
Apr 06, 2022

10-K filing | 13.2M shares outstanding

13M 0
Jan 25, 2022

8-K filing: On January 20, 2022, Perma-Fix Environmental Services, Inc.'s Compensation and Stock Option Committee and the Board of Directors approved an amendment to the Stock Option Agreement with Mr. Robert L. Ferguson, adjusting the vesting dates for the second and third milestones related to the Nonqualified Stock Option.

13M 0
Jan 06, 2022

8-K filing: Perma-Fix Environmental Services, Inc. sold 100% of its interest in PFM Poland to a Polish investor for a nominal amount and deconsolidated PFM Poland from its 2021 financial statements.

13M 0
Nov 12, 2021

10-Q filing | 13.2M shares outstanding

13M 0
Oct 04, 2021

8-K filing: Perma-Fix Environmental Services, Inc. entered into subscription agreements to sell and issue 1,000,000 shares of common stock at $6.20 per share in a registered direct offering, for gross proceeds of approximately $6.2 million. ($6.2M proceeds)

12M 0
Aug 11, 2021

10-Q filing | 12.2M shares outstanding

12M 0
May 06, 2021

10-Q filing | 12.2M shares outstanding

12M 0
Mar 29, 2021

10-K filing | 12.1M shares outstanding

12M 0
Nov 05, 2020

10-Q filing | 12.1M shares outstanding

12M 0
Aug 07, 2020

10-Q filing | 12.1M shares outstanding

12M 0
May 12, 2020

10-Q filing | 12.1M shares outstanding

12M 0
Mar 31, 2020

8-K filing: On March 27, 2020, Perma-Fix Environmental Services, Inc.'s Compensation and Stock Option Committee and the Board of Director approved an amendment which revised certain terms of the Nonqualfied Stock Option Agreement entered into between the Company and Mr. Robert L. Ferguson. Robert Ferguson exercised 10,000 options on May 1, 2018.

12M 0
Mar 20, 2020

10-K filing | 12.0M shares outstanding

12M 0
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