PLUS THERAPEUTICS, INC. (PSTV) - Dilution Analysis

Visualizing historical and potential share dilution over time

Dilution Analysis

High Risk
Significant dilution risk
Last updated: May 15, 2026

Risk Assessment Details

Potential Dilution: 28883.53% of current shares
Recent Dilution: 507.24% (2 years)
Historical Dilution Factor: significant recent dilution
Outstanding Shares
6.6M
Potential Supply
1.9B
Additional shares possible
Splits
None
Past 2 years

Summary

PSTV currently has 6.65M outstanding shares. with significant dilution risk as 1.92B authorized shares could dilute existing holders by 28883.5%. The company has significantly diluted shareholders by 507.24% over the past 2 years, indicating aggressive capital raising.

Share Structure Timeline

Outstanding Shares
Total Supply

Historical Data Points

Date Event Outstanding Supply
May 15, 2026

10-Q filing | 6.6M shares outstanding

6.6M 1.9B
Jan 09, 2026

S-1 filing: This S-1 filing outlines a firm commitment underwritten offering of units and pre-funded units, each consisting of common stock or pre-funded warrants and warrants, aiming to raise capital for working capital and general corporate purposes.

140M 1.8B
Oct 30, 2025

10-Q filing | 137.4M shares outstanding

140M 1.7B
Aug 14, 2025

10-Q filing | 99.3M shares outstanding

99M 1.8B
Aug 12, 2025

S-1 filing: This prospectus relates to the offer and sale of up to 33,000,000 shares of our common stock by Lincoln Park Capital Fund, LLC, subject to certain limitations described in this prospectus.

99M 1.8B
Jun 20, 2025

S-1/A filing: This prospectus relates to the offer and sale of up to 17,000,000 shares of our common stock by Lincoln Park Capital Fund, LLC, which we refer to in this prospectus as Lincoln Park or the selling stockholder.

51M 1.8B
Jun 18, 2025

S-1 filing: This prospectus relates to the offer and sale of up to 17,000,000 shares of our common stock by Lincoln Park Capital Fund, LLC, with potential gross proceeds of up to $50 million to the company.

51M 1.8B
May 30, 2025

10-Q filing | 32.7M shares outstanding

33M 1.7B
May 02, 2025

8-K filing: Plus Therapeutics, Inc. increased the authorized shares of common stock from 100,000,000 to 2,000,000,000 and the stockholders approved the extension of the term of the Company's May 2024 Warrants.

17M 1.7B
Apr 23, 2025

S-3/A filing: This prospectus relates to up to an aggregate of 1,565,044,860 shares of common stock of Plus Therapeutics, Inc., which may be offered for sale from time to time by selling stockholders named herein.

17M 1.7B
Apr 11, 2025

POS AM filing: This prospectus relates to the offer and sale from time to time by selling stockholders named herein of up to an aggregate of 3,248,878 shares of common stock of Plus Therapeutics, Inc.

17M 1.7B
Apr 04, 2025

S-3 filing: This prospectus relates to the resale of common stock and warrants by selling stockholders.

17M 1.7B
Mar 31, 2025

10-K filing | 17.0M shares outstanding

17M 160M
Nov 14, 2024

10-Q filing | 5.9M shares outstanding

5.9M 170M
Oct 04, 2024

S-3 filing: The company may offer and sell up to $100,000,000 in aggregate initial offering price of common stock, preferred stock, debt securities, depositary shares, stock purchase contracts and subscription rights from time to time in one or more offerings.

5.9M 170M
Aug 14, 2024

10-Q filing | 5.9M shares outstanding

5.9M 170M
Jun 24, 2024

S-1/A filing: This prospectus relates to the resale of up to an aggregate of 10,774,596 shares of common stock by selling stockholders.

4.3M 170M
Jun 07, 2024

S-1 filing: This S-1 filing relates to the registration of up to 10,774,596 shares of common stock offered by selling stockholders of Plus Therapeutics, Inc.

4.3M 160M
May 15, 2024

10-Q filing | 4.3M shares outstanding

4.3M 150M
Mar 08, 2024

S-1/A filing: The company is offering common stock together with warrants, and pre-funded warrants, for working capital and general corporate purposes.

4.4M 150M
Mar 05, 2024

10-K filing | 4.3M shares outstanding

4.3M 150M
Nov 22, 2023

S-1 filing: The company is filing an S-1 to offer common stock and pre-funded warrants.

4.5M 150M
Nov 14, 2023

S-1 filing: This prospectus relates to the offer and sale of up to 1,300,000 shares of our common stock by Lincoln Park Capital Fund, LLC, which we refer to in this prospectus as Lincoln Park or the selling stockholder.

4.5M 150M
Oct 31, 2023

10-Q filing | 4.5M shares outstanding

4.5M 150M
Aug 14, 2023

10-Q filing | 2.9M shares outstanding

2.9M 150M
Aug 09, 2023

S-1 filing: This S-1 filing relates to the offer and sale of up to 1,500,000 shares of common stock by Lincoln Park Capital Fund, LLC, with the company potentially receiving up to $50.0 million in gross proceeds from sales of common stock to Lincoln Park under a purchase agreement.

2.9M 150M
Apr 20, 2023

10-Q filing | 34.8M shares outstanding

35M 120M
Feb 23, 2023

10-K filing | 35.1M shares outstanding

35M 120M
Oct 20, 2022

10-Q filing | 33.6M shares outstanding

34M 120M
Aug 09, 2022

S-1 filing: This S-1 filing relates to the offer and sale of up to 9,500,000 shares of common stock by Lincoln Park Capital Fund, LLC. The company may receive up to $50.0 million aggregate gross proceeds from sales of common stock to Lincoln Park under a purchase agreement.

23M 130M
Jul 21, 2022

10-Q filing | 22.3M shares outstanding

22M 29M
Apr 21, 2022

10-Q filing | 22.2M shares outstanding

22M 29M
Feb 24, 2022

10-K filing | 22.2M shares outstanding

22M 29M
Oct 21, 2021

10-Q filing | 15.4M shares outstanding

15M 36M
Sep 03, 2021

S-1 filing: This S-1 filing relates to the offer and sale of up to 5,865,000 shares of common stock by Lincoln Park Capital Fund, LLC, with the company potentially receiving up to $25.0 million aggregate gross proceeds under the Purchase Agreement.

15M 36M
Jul 22, 2021

10-Q filing | 12.1M shares outstanding

12M 33M
Apr 22, 2021

10-Q filing | 21.1M shares outstanding

21M 24M
Feb 26, 2021

S-1 filing: This prospectus relates to the offer and sale of up to 4,500,000 shares of our common stock by Lincoln Park Capital Fund, LLC, which we refer to in this prospectus as Lincoln Park or the selling stockholder.

9.2M 36M
Feb 22, 2021

10-K filing | 21.1M shares outstanding

21M 24M
Oct 29, 2020

S-1 filing: This prospectus relates to the offer and sale of up to 1,519,000 shares of our common stock by Lincoln Park Capital Fund, LLC.

4.8M 40M
Oct 22, 2020

10-Q filing | 4.8M shares outstanding

4.8M 39M
Oct 09, 2020

S-3 filing: Plus Therapeutics, Inc. files an S-3 registration statement to offer and sell debt securities, common stock, preferred stock, depositary shares, warrants and rights with an aggregate initial offering price not to exceed $100,000,000.

4.3M 39M
Oct 06, 2020

8-K filing: Plus Therapeutics, Inc. entered into a purchase agreement with Lincoln Park Capital Fund, LLC, for the sale of up to $25 million of the Company's common stock and issued 180,701 commitment shares to Lincoln Park.

4.3M 0
Oct 05, 2020

8-K filing: Plus Therapeutics, Inc. amended the terms of underwriter warrants issued to H.C. Wainwright & Co., LLC, modifying cash payment obligations and establishing a new exercise price of $2.81 per share.

4.3M 0
Aug 10, 2020

10-Q filing | 4.3M shares outstanding

4.3M 0
Jun 11, 2020

8-K filing: Plus Therapeutics, Inc. amended the terms of Series U warrants with certain holders, including establishing an exercise price of $2.25.

4.1M 0
May 14, 2020

10-Q filing | 4.1M shares outstanding

4.1M 0
Mar 30, 2020

10-K filing | 3.9M shares outstanding

3.9M 0
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