Arcturus Therapeutics Holdings Inc. (ARCT) - 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: 5.58% (2 years)
Historical Dilution Factor: minimal recent dilution
Outstanding Shares
28M
Potential Supply
0
Additional shares possible
Splits
None
Past 2 years

Summary

ARCT currently has 28.4M outstanding shares. with minimal authorized share overhang for future dilution. The company has minimally diluted shareholders by 5.58% 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 | 28.4M shares outstanding

28M 0
Nov 12, 2025

10-Q filing | 27.2M shares outstanding

27M 0
Aug 11, 2025

10-Q filing | 27.1M shares outstanding

27M 0
May 12, 2025

10-Q filing | 27.1M shares outstanding

27M 0
Mar 06, 2025

10-K filing | 27.0M shares outstanding

27M 0
Nov 07, 2024

10-Q filing | 27.1M shares outstanding

27M 0
Aug 05, 2024

10-Q filing | 27.0M shares outstanding

27M 0
May 08, 2024

10-Q filing | 26.9M shares outstanding

27M 0
Mar 14, 2024

10-K filing | 26.6M shares outstanding

27M 0
Nov 14, 2023

10-Q filing | 26.7M shares outstanding

27M 0
Aug 07, 2023

10-Q filing | 26.6M shares outstanding

27M 0
May 09, 2023

10-Q filing | 26.6M shares outstanding

27M 0
Mar 29, 2023

10-K filing | 26.4M shares outstanding

26M 0
Dec 23, 2022

S-3 filing: The filing is for a shelf offering of up to $500,000,000 of any combination of common stock, preferred stock, debt securities, warrants, rights, and/or units.

26M 0
Nov 09, 2022

10-Q filing | 26.5M shares outstanding

26M 0
Aug 09, 2022

10-Q filing | 26.4M shares outstanding

26M 0
Jun 24, 2022

8-K filing: Arcturus Therapeutics Holdings Inc. approved an amendment to its 2019 Omnibus Equity Incentive Plan, increasing the maximum number of shares of common stock available by 3,750,000 shares and increasing the fair market value of cash or share awards for non-employee directors.

26M 0
May 09, 2022

10-Q filing | 26.4M shares outstanding

26M 0
Mar 01, 2022

10-K filing | 26.4M shares outstanding

26M 0
Nov 09, 2021

10-Q filing | 26.4M shares outstanding

26M 0
Aug 10, 2021

10-Q filing | 26.3M shares outstanding

26M 0
May 10, 2021

10-Q filing | 26.3M shares outstanding

26M 0
Mar 01, 2021

10-K filing | 26.3M shares outstanding

26M 0
Feb 22, 2021

8-K filing: Arcturus Therapeutics Holdings Inc. issued 74,713 shares of its common stock to Alexion Pharmaceuticals, Inc. on February 19, 2021, at a price of $66.92 per share, in exchange for an exclusive license agreement.

26M 0
Dec 08, 2020

8-K filing: Arcturus Therapeutics Holdings Inc. completed a public offering of 1,365,000 shares of common stock at $110.00 per share, with net proceeds expected to be approximately $140.5 million, excluding any exercise of the Underwriters' option to purchase additional shares. ($150.15M proceeds)

24M 0
Nov 09, 2020

10-Q filing | 24.5M shares outstanding

24M 0
Aug 10, 2020

10-Q filing | 24.4M shares outstanding

24M 0
Jul 29, 2020

8-K filing: Arcturus Therapeutics Holdings Inc. entered into an underwriting agreement for a public offering of 3,264,151 shares of common stock at $53.00 per share, with an option for the underwriters to purchase an additional 489,622 shares. ($162.0M proceeds)

20M 0
May 22, 2020

S-3/A filing: The filing relates to the potential sale of up to 3,000,000 shares of common stock by a selling stockholder.

20M 0
May 21, 2020

8-K filing: Ultragenyx completed the exercise of its option to purchase 600,000 shares of Arcturus Therapeutics Holdings Inc.'s common stock at $16.00 per share on May 20, 2020. ($9.6M proceeds)

20M 0
May 08, 2020

S-3 filing: This is an S-3 filing for a shelf offering of common stock, preferred stock, debt securities, warrants, and units with a total proposed amount of $200,000,000.

15M 0
May 08, 2020

10-Q filing | 19.9M shares outstanding

20M 0
Apr 21, 2020

8-K filing: Arcturus Therapeutics Holdings Inc. completed a public offering of 4,735,297 shares of common stock, including the exercise of an over-allotment option, resulting in net proceeds of approximately $75.3 million. ($75.3M proceeds)

15M 0
Apr 17, 2020

8-K filing: Arcturus Therapeutics Holdings Inc. entered into an underwriting agreement for a public offering of 4,117,650 shares of common stock at $17.00 per share, with an option for the underwriters to purchase an additional 617,647 shares. ($70.0M proceeds)

15M 0
Mar 16, 2020

10-K filing | 15.1M shares outstanding

15M 0
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