Atea Pharmaceuticals, Inc. (AVIR) - Dilution Analysis

Visualizing historical and potential share dilution over time

Dilution Analysis

Medium Risk
Moderate dilution risk
Last updated: November 12, 2025

Risk Assessment Details

Potential Dilution: 89.21% of current shares
Recent Dilution: 1.31% (2 years)
Historical Dilution Factor: minimal recent dilution
Outstanding Shares
79M
Potential Supply
71M
Additional shares possible
Splits
None
Past 2 years

Summary

AVIR currently has 79.1M outstanding shares. with significant dilution risk as 70.5M authorized shares could dilute existing holders by 89.2%. The company has minimally diluted shareholders by 1.31% over the past 2 years.

Share Structure Timeline

Outstanding Shares
Total Supply

Historical Data Points

Date Event Outstanding Supply
Nov 12, 2025

10-Q filing | 79.1M shares outstanding

79M 71M
Aug 07, 2025

10-Q filing | 83.7M shares outstanding

84M 71M
May 12, 2025

10-Q filing | 85.2M shares outstanding

85M 71M
Mar 06, 2025

10-K filing | 84.3M shares outstanding

84M 71M
Nov 07, 2024

S-3 filing: Atea Pharmaceuticals files an S-3 to offer and sell up to $500,000,000 in the aggregate of common stock, preferred stock and debt securities from time to time in one or more offerings. Common stock offered by us Shares of our common stock having an aggregate offering price of up to $200,000,000.

84M 71M
Nov 07, 2024

10-Q filing | 84.4M shares outstanding

84M 71M
Aug 07, 2024

10-Q filing | 84.3M shares outstanding

84M 11M
May 14, 2024

10-Q filing | 83.9M shares outstanding

84M 11M
Feb 28, 2024

10-K filing | 83.4M shares outstanding

83M 11M
Nov 08, 2023

10-Q filing | 83.4M shares outstanding

83M 11M
Aug 08, 2023

10-Q filing | 83.4M shares outstanding

83M 11M
May 08, 2023

10-Q filing | 83.3M shares outstanding

83M 11M
Feb 28, 2023

10-K filing | 83.2M shares outstanding

83M 11M
Nov 07, 2022

10-Q filing | 83.3M shares outstanding

83M 11M
Aug 08, 2022

10-Q filing | 83.3M shares outstanding

83M 11M
May 10, 2022

10-Q filing | 83.2M shares outstanding

83M 11M
Mar 01, 2022

POS AM filing: Atea Pharmaceuticals files a POS AM to offer common stock, preferred stock, and debt securities up to $500,000,000 in the aggregate. Includes an at-the-market offering of common stock through Jefferies LLC.

83M 11M
Feb 28, 2022

10-K filing | 82.8M shares outstanding

83M 11M
Nov 12, 2021

10-Q filing | 82.8M shares outstanding

83M 11M
Aug 12, 2021

10-Q filing | 82.7M shares outstanding

83M 11M
May 13, 2021

10-Q filing | 82.6M shares outstanding

83M 11M
Mar 30, 2021

10-K filing | 82.7M shares outstanding

83M 11M
Dec 10, 2020

10-Q filing | 82.6M shares outstanding

83M 11M
Oct 26, 2020

S-1/A filing: Atea Pharmaceuticals, Inc. is offering 11,000,000 shares of its common stock in its initial public offering, with an estimated initial public offering price between $22.00 and $24.00 per share.

N/A 11M
Oct 23, 2020

S-1/A filing: Atea Pharmaceuticals, Inc. is offering shares of its common stock in an initial public offering.

N/A 0
Oct 09, 2020

S-1 filing: This S-1 filing outlines various scenarios for the issuance of common stock, options, and convertible securities, including those related to preferred stock conversion, dividends, employee compensation, debt financing, acquisitions, and strategic partnerships.

N/A 0
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