Arcellx, Inc. (ACLX) - Dilution Analysis

Visualizing historical and potential share dilution over time

Dilution Analysis

Medium Risk
Moderate dilution risk
Last updated: November 05, 2025

Risk Assessment Details

Potential Dilution: 26.93% of current shares
Recent Dilution: 6.12% (2 years)
Historical Dilution Factor: minimal recent dilution
Outstanding Shares
57M
Potential Supply
15M
Additional shares possible
Splits
None
Past 2 years

Summary

ACLX currently has 56.6M outstanding shares. with moderate dilution risk from 15.2M authorized shares representing 26.9% potential dilution. The company has minimally diluted shareholders by 6.12% over the past 2 years.

Share Structure Timeline

Outstanding Shares
Total Supply

Historical Data Points

Date Event Outstanding Supply
Nov 05, 2025

10-Q filing | 56.6M shares outstanding

57M 15M
Aug 07, 2025

10-Q filing | 56.2M shares outstanding

56M 15M
May 08, 2025

10-Q filing | 55.3M shares outstanding

55M 15M
Feb 27, 2025

10-K filing | 53.6M shares outstanding

54M 15M
Nov 07, 2024

10-Q filing | 53.8M shares outstanding

54M 15M
Aug 08, 2024

10-Q filing | 53.5M shares outstanding

54M 15M
May 09, 2024

10-Q filing | 52.8M shares outstanding

53M 15M
Feb 28, 2024

10-K filing | 48.1M shares outstanding

48M 15M
Nov 13, 2023

10-Q filing | 48.4M shares outstanding

48M 15M
Aug 14, 2023

10-Q filing | 48.1M shares outstanding

48M 15M
May 08, 2023

10-Q filing | 46.8M shares outstanding

47M 15M
Mar 29, 2023

10-K filing | 47.8M shares outstanding

48M 15M
Nov 14, 2022

10-Q filing | 43.8M shares outstanding

44M 15M
Aug 15, 2022

10-Q filing | 43.8M shares outstanding

44M 15M
Jun 15, 2022

S-1/A filing: This S-1/A filing details an offering of 5,000,000 shares of common stock, with underwriters having an option to purchase an additional 750,000 shares, and outlines the company's intended use of proceeds for product development, research, and general corporate purposes.

36M 15M
Jun 14, 2022

S-1 filing: This is an S-1 filing for an initial public offering of common stock. The company is offering 4,000,000 shares of common stock, and the underwriters have an option to purchase up to 600,000 additional shares.

36M 14M
Jun 14, 2022

S-1/A filing: This is an S-1/A filing for an offering of common stock with BofA Securities and SVB Securities as underwriters. The company is offering 4,000,000 shares of common stock and has granted the underwriters an option to purchase up to 600,000 additional shares.

36M 14M
May 12, 2022

10-Q filing | 35.7M shares outstanding

36M 9.5M
Feb 09, 2022

8-K filing: Arcellx, Inc. announced the closing of its IPO of 9,487,500 shares of its common stock, which includes 1,237,500 shares sold pursuant to the underwriters' option.

34M 9.5M
Jan 31, 2022

S-1/A filing: This is an S-1/A filing for a company offering common stock and granting underwriters an option to purchase additional shares, with the intention to use the proceeds for product development and general corporate purposes.

34M 9.5M
Jan 14, 2022

S-1 filing: This S-1 filing outlines a proposed offering of common stock, including an underwriter option to purchase additional shares, to fund the development of product candidates and for general corporate purposes. It also details the company's financial data, stock options, and equity incentive plans.

140M 0
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