PULSE BIOSCIENCES, INC. (PLSE) - Dilution Analysis

Visualizing historical and potential share dilution over time

Dilution Analysis

Medium Risk
Moderate dilution risk
Last updated: May 14, 2026

Risk Assessment Details

Potential Dilution: 0.0% of current shares
Recent Dilution: 17.86% (2 years)
Historical Dilution Factor: moderate recent dilution
Outstanding Shares
68M
Potential Supply
0
Additional shares possible
Splits
None
Past 2 years

Summary

PLSE currently has 68M outstanding shares. with minimal authorized share overhang for future dilution. The company has diluted shareholders by 17.86% over the past 2 years through share issuances.

Share Structure Timeline

Outstanding Shares
Total Supply

Historical Data Points

Date Event Outstanding Supply
May 14, 2026

10-Q filing | 68.0M shares outstanding

68M 0
Nov 05, 2025

10-Q filing | 67.4M shares outstanding

67M 0
Oct 01, 2025

8-K filing: The Company's stockholders ratified the grant of options to certain Company directors to purchase up to 600,000 shares of Company common stock.

67M 0
Aug 12, 2025

10-Q filing | 67.3M shares outstanding

67M 0
May 08, 2025

10-Q filing | 67.1M shares outstanding

67M 0
Mar 31, 2025

10-K filing | 65.9M shares outstanding

66M 0
Oct 30, 2024

10-Q filing | 61.1M shares outstanding

61M 0
Aug 19, 2024

10-Q filing | 57.2M shares outstanding

57M 0
May 28, 2024

POS AM filing: Pulse Biosciences, Inc. is distributing at no charge to the holders of their common stock, non-transferable subscription rights to purchase up to 6,000,000 Units at the Initial Price with an aggregate offering value of up to $60,000,000.

55M 0
May 07, 2024

10-Q filing | 55.2M shares outstanding

55M 0
May 02, 2024

8-K filing: Pulse Biosciences, Inc. announced the record date for its previously announced rights offering, which will be available to stockholders of record as of May 16, 2024, to purchase up to 6,000,000 units at a price of up to $10 per unit, potentially generating gross proceeds of up to $60,000,000. ($60.0M proceeds)

55M 0
Apr 30, 2024

S-3/A filing: Pulse Biosciences, Inc. is filing an S-3/A to distribute non-transferable subscription rights to purchase up to 6,000,000 Units, each consisting of one share of common stock and two warrants, with an aggregate offering value of up to $60,000,000, to raise equity capital for general corporate purposes.

55M 0
Apr 25, 2024

S-3/A filing: Pulse Biosciences, Inc. is distributing at no charge to the holders of their common stock, non-transferable subscription rights to purchase up to 6,000,000 Units with an aggregate offering value of up to $60,000,000.

55M 0
Apr 23, 2024

S-3/A filing: Pulse Biosciences, Inc. is distributing at no charge to the holders of their common stock, non-transferable subscription rights to purchase up to 6,000,000 Units at the Initial Price with an aggregate offering value of up to $60,000,000.

55M 0
Apr 15, 2024

S-3/A filing: Pulse Biosciences, Inc. is distributing at no charge to the holders of their common stock, non-transferable subscription rights to purchase up to 6,000,000 Units at the Initial Price with an aggregate offering value of up to $60,000,000.

55M 0
Apr 03, 2024

S-3 filing: Pulse Biosciences, Inc. is distributing at no charge to the holders of their common stock, non-transferable subscription rights to purchase up to 6,000,000 Units at the Initial Price with an aggregate offering value of up to $60,000,000.

55M 0
Mar 28, 2024

10-K filing | 55.1M shares outstanding

55M 0
Mar 28, 2024

S-3 filing: Pulse Biosciences files an S-3 to offer common stock, preferred stock, debt securities, depositary shares, subscription rights, purchase contracts, and units up to an aggregate offering price of $50,000,000.

55M 0
Dec 22, 2023

8-K filing: On December 19, 2023, the Company's stockholders ratified the grant of options to purchase up to 1,505,000 shares of Company common stock to certain Company executives, with an exercise price of $4.38 per share.

55M 0
Nov 13, 2023

10-Q filing | 54.9M shares outstanding

55M 0
Aug 11, 2023

S-3 filing: Pulse Biosciences, Inc. is offering up to 10,022,937 shares of common stock by the selling securityholder.

55M 0
Aug 10, 2023

10-Q filing | 54.8M shares outstanding

55M 0
May 11, 2023

10-Q filing | 37.4M shares outstanding

37M 0
May 09, 2023

8-K filing: Pulse Biosciences consummated a private placement with Robert W. Duggan, where Mr. Duggan purchased 10,022,937 shares of the Company's common stock at a price of $6.51 per share. ($65.25M proceeds)

34M 0
May 01, 2023

8-K filing: Pulse Biosciences, Inc. issued 10,022,937 shares of common stock to Robert W. Duggan in a private placement at a price of $6.51 per share, canceling $65 million in debt. ($65.25M proceeds)

34M 0
Mar 31, 2023

10-K filing | 33.9M shares outstanding

34M 0
Nov 10, 2022

10-Q filing | 37.2M shares outstanding

37M 0
Aug 10, 2022

10-Q filing | 37.1M shares outstanding

37M 0
Jun 09, 2022

8-K filing: Pulse Biosciences, Inc. closed a rights offering on June 9, 2022, selling 7,317,072 units at $2.05 per unit, resulting in gross proceeds of $15 million and bringing the total shares outstanding to 37,119,352. ($15.0M proceeds)

37M 0
Jun 03, 2022

8-K filing: Pulse Biosciences expects to issue approximately 7.3 million shares in aggregate at a price of $2.05 per unit, with each unit consisting of one share of Company common stock and a warrant to purchase one share of Company common stock at an exercise price of $2.05. ($15.0M proceeds)

30M 0
May 11, 2022

10-Q filing | 29.8M shares outstanding

30M 0
Mar 31, 2022

10-K filing | 29.8M shares outstanding

30M 0
Feb 15, 2022

8-K filing: Pulse Biosciences, Inc. appointed Kevin Danahy as Chief Commercial Officer and issued him options to acquire 300,000 shares of common stock at an exercise price of $6.41 per share.

30M 0
Nov 15, 2021

10-Q filing | 29.6M shares outstanding

30M 0
Sep 03, 2021

S-3 filing: This S-3 filing indicates a shelf registration for the resale of common stock by a selling securityholder.

30M 0
Aug 09, 2021

10-Q filing | 29.6M shares outstanding

30M 0
Jul 01, 2021

8-K filing: Pulse Biosciences, Inc. entered into a Securities Purchase Agreement to issue and sell 3,048,780 shares of common stock to Robert W. Duggan at $16.40 per share, using a combination of debt conversion and cash payment. ($50.0M proceeds)

26M 0
Jun 10, 2021

8-K filing: Pulse Biosciences, Inc. amended the 2017 Inducement Equity Incentive Plan to reserve an additional 1,000,000 shares of the Company's common stock for issuance pursuant to the Inducement Plan.

26M 0
May 10, 2021

10-Q filing | 26.5M shares outstanding

26M 0
Mar 12, 2021

10-K filing | 26.1M shares outstanding

26M 0
Feb 10, 2021

8-K filing: Pulse Biosciences, Inc. redeemed 5,139 warrants for $0.01 per warrant and 636,432 warrants were exercised generating approximately $4.5 million of gross proceeds. As of February 9, 2021, the Company had 26,061,975 shares of Common Stock outstanding. ($4.5M proceeds)

26M 0
Nov 09, 2020

10-Q filing | 25.3M shares outstanding

25M 0
Aug 14, 2020

S-3 filing: This is a shelf registration for various types of securities, including common stock, preferred stock, and debt securities, with a total offering price not exceeding $250,000,000.

25M 0
Aug 10, 2020

10-Q filing | 25.2M shares outstanding

25M 0
May 11, 2020

10-Q filing | 20.9M shares outstanding

21M 4.2M
May 07, 2020

S-3/A filing: This S-3/A filing discusses a rights offering for common stock and warrants, with gross proceeds of approximately $30 million if all rights are exercised, to fund working capital purposes.

25M 0
May 07, 2020

S-3/A filing: This S-3/A filing discusses a rights offering where the company is offering units, each consisting of one share of common stock and 0.15 warrants, to raise capital for general working capital purposes and other corporate activities.

25M 0
May 01, 2020

S-3/A filing: Pulse Biosciences, Inc. is distributing at no charge to the holders of their common stock, non-transferable subscription rights to purchase up to $30,000,000 of Units, each unit consisting of one share of common stock and 0.15 warrants to purchase shares of common stock, to raise equity capital for general working capital purposes.

21M 4.4M
Apr 21, 2020

S-3/A filing: This is an S-3/A filing to correct Exhibit 23.2 of a previous registration statement (333-237577) to include the conformed signature of Deloitte and Touche LLP and to update the Exhibit List accordingly. This Amendment No. 2 does not modify the prospectus that forms a part of the Registration Statement.

21M 4.4M
Apr 14, 2020

S-3/A filing: Pulse Biosciences, Inc. is offering up to $30,000,000 of shares of common stock to existing stockholders through a rights offering.

21M 4.4M
Apr 06, 2020

S-3 filing: Pulse Biosciences, Inc. is offering up to $30,000,000 of shares of its common stock via a rights offering to existing shareholders.

21M 0
Mar 16, 2020

10-K filing | 20.8M shares outstanding

21M 0
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