I-Mab (IMAB) - Dilution Analysis

Visualizing historical and potential share dilution over time

Dilution Analysis

Medium Risk
Moderate dilution risk
Last updated: April 07, 2026

Risk Assessment Details

Potential Dilution: 9.47% of current shares
Recent Dilution: 41.96% (2 years)
Historical Dilution Factor: significant recent dilution
Outstanding Shares
270M
Potential Supply
25M
Additional shares possible
Splits
None
Past 2 years

Summary

IMAB currently has 265M outstanding shares. with limited dilution risk as only 25.1M additional shares (9.5%) are authorized for issuance. The company has significantly diluted shareholders by 41.96% over the past 2 years, indicating aggressive capital raising.

Share Structure Timeline

Outstanding Shares
Total Supply

Historical Data Points

Date Event Outstanding Supply
Apr 07, 2026

20-F filing | 265.4M shares outstanding

270M 25M
May 02, 2025

F-3 filing: This F-3 filing describes a shelf registration for the potential offering of ordinary shares, American Depositary Shares (ADSs), debt securities, or warrants, either independently or in combination, up to a total value of $250,000,000, and also includes an at-the-market offering of ADSs up to $21,000,000 through Leerink Partners.

190M 25M
Apr 03, 2025

20-F filing | 186.7M shares outstanding

190M 25M
Apr 30, 2024

20-F filing | 174.7M shares outstanding

170M 25M
May 01, 2023

20-F filing | 183.8M shares outstanding

180M 25M
Apr 29, 2022

20-F filing | 183.8M shares outstanding

180M 25M
Apr 28, 2021

20-F filing | 164.9M shares outstanding

160M 25M
Dec 01, 2020

F-1 filing: This is an F-1 filing related to the offering of ordinary shares by selling shareholders, including shares represented by ADSs.

800M 25M
Apr 29, 2020

20-F filing | 8.4M shares outstanding

8.4M 0
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