BIODESIX INC (BDSX) - Dilution Analysis

Visualizing historical and potential share dilution over time

Dilution Analysis

High Risk
Significant dilution risk
Last updated: May 21, 2026

Risk Assessment Details

Potential Dilution: 1678.67% of current shares
Recent Dilution: 30.18% (2 years)
Historical Dilution Factor: significant recent dilution
Outstanding Shares
9.7M
Potential Supply
160M
Additional shares possible
Splits
None
Past 2 years

Summary

BDSX currently has 9.66M outstanding shares. with significant dilution risk as 162M authorized shares could dilute existing holders by 1678.7%. The company has significantly diluted shareholders by 30.18% over the past 2 years, indicating aggressive capital raising.

Share Structure Timeline

Outstanding Shares
Total Supply

Historical Data Points

Date Event Outstanding Supply
May 21, 2026

S-3 filing: This filing relates to the registration for resale of up to 375,000 shares of common stock issuable upon the exercise of warrants held by a selling stockholder.

9.7M 160M
May 04, 2026

10-Q filing | 9.7M shares outstanding

9.7M 160M
Nov 03, 2025

10-Q filing | 7.5M shares outstanding

7.5M 160M
Aug 07, 2025

10-Q filing | 146.7M shares outstanding

150M 160M
May 13, 2025

10-Q filing | 146.5M shares outstanding

150M 160M
Mar 03, 2025

10-K filing | 146.0M shares outstanding

150M 160M
Nov 01, 2024

10-Q filing | 146.3M shares outstanding

150M 160M
Nov 01, 2024

S-3 filing: The filing is an S-3 registration statement for the resale of up to 62,202,399 shares of common stock by selling stockholders.

150M 160M
Nov 01, 2024

S-3 filing: Biodesix, Inc. files an S-3 to offer shares of common stock, preferred stock, warrants, rights to purchase common stock, preferred stock or units, as well as units that include any of these securities, up to an aggregate offering price of $250,000,000.

150M 160M
Aug 07, 2024

10-Q filing | 145.2M shares outstanding

150M 70M
May 24, 2024

S-1/A filing: This prospectus relates to the proposed resale or other disposition by the selling stockholders of up to 30,434,280 shares of Common Stock issuable upon the conversion of 760,857 shares of Series A Non-Voting Convertible Preferred Stock.

110M 70M
May 08, 2024

10-Q filing | 114.7M shares outstanding

110M 70M
Apr 23, 2024

S-1 filing: This S-1 filing relates to the proposed resale of up to 30,434,280 shares of Common Stock by selling stockholders, issuable upon the conversion of Series A Non-Voting Convertible Preferred Stock.

110M 70M
Mar 01, 2024

10-K filing | 96.9M shares outstanding

97M 40M
Nov 07, 2023

10-Q filing | 90.5M shares outstanding

90M 40M
Aug 07, 2023

10-Q filing | 78.5M shares outstanding

79M 40M
May 11, 2023

10-Q filing | 77.8M shares outstanding

78M 40M
Mar 06, 2023

10-K filing | 78.0M shares outstanding

78M 40M
Nov 21, 2022

8-K filing: Biodesix, Inc. closed a public offering of 35,075,000 shares of common stock at $1.15 per share, and a private placement of 278,514 shares of common stock to certain members of management at $1.15 per share, raising gross proceeds of approximately $70.7 million. ($40.66M proceeds)

40M 40M
Nov 03, 2022

10-Q filing | 40.4M shares outstanding

40M 40M
Aug 04, 2022

10-Q filing | 40.0M shares outstanding

40M 40M
Jun 06, 2022

S-3 filing: This S-3 filing relates to the proposed resale of 2,877,092 shares of common stock by selling stockholders. The company will not receive any proceeds from the sale.

40M 40M
May 11, 2022

10-Q filing | 39.8M shares outstanding

40M 37M
Apr 11, 2022

8-K filing: Biodesix, Inc. completed a private placement offering on April 7, 2022, selling 6,508,376 shares of common stock at $1.79 per share for approximately $11.7 million in gross proceeds. ($11.7M proceeds)

31M 37M
Mar 14, 2022

10-K filing | 31.3M shares outstanding

31M 37M
Mar 07, 2022

8-K filing: Biodesix, Inc. entered into a purchase agreement with Lincoln Park Capital Fund, LLC, for the sale of up to $50.0 million of shares of common stock, and issued 184,275 shares to Lincoln Park as a commitment fee.

27M 37M
Jan 04, 2022

8-K filing: Biodesix, Inc. completed an at-the-market offering on December 30, 2021, raising approximately $16.3 million in gross proceeds from the sale of 3,756,994 common shares. ($16.3M proceeds)

27M 37M
Nov 24, 2021

S-3/A filing: Biodesix, Inc. may offer and sell shares of common stock, preferred stock, warrants, rights to purchase common stock, preferred stock or units, as well as units that include any of these securities, with an aggregate offering price of up to $250,000,000.

27M 37M
Nov 16, 2021

S-3 filing: This is an S-3 filing for a mixed shelf offering of common stock, preferred stock, and/or rights to purchase common stock, preferred stock, or units, with an aggregate offering price of up to $250,000,000.

27M 37M
Nov 15, 2021

10-Q filing | 27.0M shares outstanding

27M 4.8M
Aug 10, 2021

10-Q filing | 27.0M shares outstanding

27M 4.8M
May 11, 2021

10-Q filing | 26.9M shares outstanding

27M 4.8M
Mar 16, 2021

10-K filing | 26.6M shares outstanding

27M 4.8M
Dec 10, 2020

10-Q filing | 26.5M shares outstanding

27M 4.8M
Oct 26, 2020

S-1/A filing: This S-1/A filing details an offering of 4,166,667 shares of common stock, with an over-allotment option of 625,000 shares, at an assumed price of $18.00 per share. The company intends to use the net proceeds for commercial expansion, product pipeline development, acquisition milestone payment, and working capital.

26M 4.8M
Oct 21, 2020

S-1/A filing: This is an S-1/A filing with information on voting rights, dividend rights, liquidation rights, and preemptive rights of common stock holders. It also includes covenants related to restrictions on selling or transferring common stock and securities convertible into common stock.

1.1M 0
Oct 09, 2020

S-1/A filing: The document describes the terms and conditions of stock options granted under the company's equity incentive plans, including vesting schedules, payment methods, and transferability restrictions. It also discusses compliance with securities laws, tax consequences, and voting agreements related to the acquired shares. Additionally, the document includes an office lease agreement and various exhibits related to the stock option grants.

1.1M 0
Oct 02, 2020

S-1 filing: This is an S-1 filing for Biodesix, Inc. which includes exhibit of a warrant to purchase Series G Preferred Stock. The exhibit also contains information about amendments to investor rights agreement.

1.1M 0
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