Autolus Therapeutics plc (AUTL) - 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: 24.84% (2 years)
Historical Dilution Factor: moderate recent dilution
Outstanding Shares
270M
Potential Supply
0
Additional shares possible
Splits
None
Past 2 years

Summary

AUTL currently has 266M outstanding shares. with minimal authorized share overhang for future dilution. The company has diluted shareholders by 24.84% 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 | 266.1M shares outstanding

270M 0
Mar 27, 2026

10-K filing | 266.1M shares outstanding

270M 0
Nov 12, 2025

10-Q filing | 266.1M shares outstanding

270M 0
Aug 12, 2025

10-Q filing | 266.1M shares outstanding

270M 0
May 08, 2025

S-1 filing: This S-1 filing registers the offering of ADSs by selling securityholders, with each ADS representing one ordinary share. The filing also mentions ordinary shares to be outstanding after the offering, assuming the sale of all ADSs.

320M 0
May 08, 2025

10-Q filing | 266.1M shares outstanding

270M 0
Mar 20, 2025

POS AM filing: The prospectus is for a combination offering of ordinary shares, American Depositary Shares representing Ordinary Shares, debt securities, and warrants with an aggregate initial offering price not exceeding $300,000,000.

270M 0
Mar 20, 2025

10-K filing | 255.2M shares outstanding

260M 0
Nov 12, 2024

10-Q filing | 266.1M shares outstanding

270M 0
Aug 08, 2024

10-Q filing | 266.0M shares outstanding

270M 0
May 17, 2024

10-Q filing | 266.0M shares outstanding

270M 0
Mar 21, 2024

10-K filing | 265.9M shares outstanding

270M 0
Nov 09, 2023

10-Q filing | 174.0M shares outstanding

170M 0
Mar 07, 2023

20-F filing | 173.1M shares outstanding

170M 0
May 04, 2022

F-3 filing: This F-3 filing relates to the resale of up to 12,180,333 American Depositary Shares representing 12,180,333 ordinary shares of Autolus Therapeutics plc by selling securityholders.

91M 16M
Apr 15, 2022

F-3 filing: This F-3 filing relates to the resale of up to 21,250,917 American Depositary Shares representing 21,250,917 ordinary shares of Autolus Therapeutics plc by selling securityholders, including shares issuable upon exercise of outstanding warrants.

91M 3.9M
Mar 10, 2022

20-F filing | 90.9M shares outstanding

91M 0
Aug 05, 2021

F-3 filing: The filing relates to a potential offering of Ordinary Shares, American Depositary Shares representing Ordinary Shares, and/or Debt Securities up to a total of $300,000,000.

52M 0
Mar 04, 2021

20-F filing | 52.3M shares outstanding

52M 0
Mar 03, 2020

20-F filing | 45.0M shares outstanding

45M 0
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