ALLURION TECHNOLOGIES, INC. (ALUR) - 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: 198.89% of current shares
Recent Dilution: 262.5% (2 years)
Historical Dilution Factor: significant recent dilution
Outstanding Shares
15M
Potential Supply
30M
Additional shares possible
Splits
None
Past 2 years

Summary

ALUR currently has 15M outstanding shares. with significant dilution risk as 29.8M authorized shares could dilute existing holders by 198.9%. The company has significantly diluted shareholders by 262.5% 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 | 15.0M shares outstanding

15M 30M
Mar 30, 2026

10-K filing | 15.0M shares outstanding

15M 30M
Jan 09, 2026

S-3 filing: This is an S-3 filing for the registration of resale of common stock by selling securityholders.

12M 30M
Dec 29, 2025

POS AM filing: This prospectus relates to the potential offer and sale from time to time by the selling securityholders identified in this prospectus of up to an aggregate of 15,686,056 shares of common stock and also relates to the issuance by us of up to 750,383 shares of common stock issuable upon exercise of public warrants to purchase shares of our common stock.

12M 24M
Nov 17, 2025

10-Q filing | 9.3M shares outstanding

9.3M 89M
Aug 19, 2025

10-Q filing | 7.3M shares outstanding

7.3M 89M
May 15, 2025

10-Q filing | 7.5M shares outstanding

7.5M 89M
Apr 30, 2025

S-3 filing: This is an S-3 filing for the registration of resale of common stock by selling securityholders and potential proceeds from warrant exercises.

6M 89M
Apr 17, 2025

8-K filing: Allurion Technologies issued 1,492,537 shares of common stock to the Purchasers upon conversion of $5 million principal amount of Notes at a price of $3.35 per share due to the triggering of a Market Capitalization Condition. ($5.0M proceeds)

6M 83M
Mar 27, 2025

10-K filing | 6.0M shares outstanding

6M 83M
Jan 13, 2025

S-1/A filing: The company is filing an S-1/A to offer up to 3,926,701 shares of common stock, Series A common warrants to purchase up to 5,890,051 shares of common stock, Series B common warrants to purchase up to 3,926,701 shares of common stock, and pre-funded warrants to purchase up to 3,926,701 shares of common stock.

2.7M 83M
Jan 08, 2025

S-1/A filing: The company is offering up to 1,918,158 shares of common stock, or pre-funded warrants in lieu thereof, and new warrants to purchase up to an aggregate of 2,877,237 shares of common stock.

2.7M 72M
Dec 20, 2024

POS AM filing: This prospectus relates to the potential offer and sale from time to time by Chardan Capital Markets LLC of up to 9,482,468 shares of our common stock pursuant to a ChEF Purchase Agreement.

64M 65M
Dec 19, 2024

S-3/A filing: This S-3/A filing registers an indeterminate amount of common stock, preferred stock, debt securities, warrants and/or units, up to a total value of $100,000,000.

64M 65M
Dec 10, 2024

S-1 filing: The filing is an S-1 registration statement for a proposed offering of common stock, pre-funded warrants, and common warrants, with Roth Capital Partners, LLC acting as the exclusive placement agent.

65M 65M
Dec 10, 2024

S-3 filing: The company may offer common stock, preferred stock, warrants to purchase shares of common stock or preferred stock, debt securities, subscription rights to purchase shares of common stock, preferred stock or debt securities, and units consisting of any combination of the securities listed above, up to a total dollar amount of $100 million.

64M 65M
Nov 13, 2024

10-Q filing | 64.1M shares outstanding

64M 65M
Oct 03, 2024

S-1/A filing: This is an S-1/A filing detailing recent sales of unregistered securities, including convertible senior secured notes and Series A Preferred Stock with warrants, in private placement transactions.

64M 65M
Sep 30, 2024

S-1/A filing: This S-1/A filing registers for resale up to 65,211,325 shares of common stock by the selling securityholder, including shares issuable upon conversion of convertible notes and preferred stock, and exercise of warrants, without the company receiving any proceeds.

64M 65M
Aug 14, 2024

10-Q filing | 64.3M shares outstanding

64M 30M
Jun 26, 2024

S-1 filing: This S-1 filing by Allurion Technologies, Inc. details the offering of common stock and warrants to purchase additional shares, with Jefferies LLC and TD Securities (USA) LLC acting as joint book-running managers. RTW has indicated interest to purchase an aggregate of $3.0 million in the offering.

48M 30M
Jun 21, 2024

POS AM filing: This prospectus relates to the resale from time to time by the selling securityholders named in this prospectus of up to 37,418,547 shares of our common stock issued or issuable in connection with the business combination between Allurion Technologies, Inc. and Compute Health Acquisition Corp, the resale of up to an aggregate of 369,883 shares of Common Stock issuable upon the exercise of warrants to purchase shares of our Common Stock and the issuance by us of up to 18,759,838 shares of Common Stock issuable upon the exercise of public warrants.

48M 30M
Jun 21, 2024

POS AM filing: This prospectus relates to the potential offer and sale from time to time by Chardan Capital Markets LLC of up to 9,482,468 shares of our common stock pursuant to a ChEF Purchase Agreement establishing a committed equity facility.

48M 30M
May 31, 2024

S-1 filing: This S-1 filing relates to the potential offer and sale of up to 30,191,900 shares of common stock issuable upon the conversion of convertible senior secured notes held by the selling securityholder.

48M 96M
May 14, 2024

10-Q filing | 47.8M shares outstanding

48M 66M
Mar 26, 2024

10-K filing | 47.9M shares outstanding

48M 66M
Dec 19, 2023

S-1 filing: This prospectus relates to the potential offer and sale from time to time by Chardan Capital Markets LLC of up to 9,482,468 shares of our common stock.

47M 66M
Dec 08, 2023

S-1/A filing: This S-1/A filing relates to the resale of common stock and common stock issuable upon exercise of warrants by selling securityholders, as well as the issuance of common stock upon exercise of public warrants.

47M 57M
Nov 30, 2023

S-1/A filing: This S-1/A filing registers for resale (i) up to 37,428,658 shares of common stock by selling securityholders, (ii) 371,935 shares of common stock issuable upon exercise of rollover warrants, and (iii) 18,759,838 shares of common stock issuable upon exercise of public warrants.

47M 57M
Nov 14, 2023

10-Q filing | 47.5M shares outstanding

48M 56M
Oct 20, 2023

10-Q filing | 46.5M shares outstanding

46M 56M
Oct 20, 2023

S-1/A filing: This prospectus relates to the resale from time to time by the selling securityholders of up to 37,300,374 shares of common stock and the issuance by us of up to 18,759,838 shares of Common Stock issuable upon the exercise of public warrants to purchase shares of our Common Stock.

46M 56M
Sep 18, 2023

S-1 filing: This S-1 filing relates to the resale of common stock by selling securityholders and the issuance of common stock upon exercise of warrants.

46M 55M
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