Rallybio Corp (RLYB) - Dilution Analysis

Visualizing historical and potential share dilution over time

Dilution Analysis

Medium Risk
Moderate dilution risk
Last updated: May 13, 2026

Risk Assessment Details

Potential Dilution: 281.05% of current shares
Recent Dilution: 5.56% (2 years)
Historical Dilution Factor: minimal recent dilution
Outstanding Shares
5.7M
Potential Supply
16M
Additional shares possible
Splits
None
Past 2 years

Summary

RLYB currently has 5.69M outstanding shares. with significant dilution risk as 16M authorized shares could dilute existing holders by 281.1%. The company has minimally diluted shareholders by 5.56% over the past 2 years.

Share Structure Timeline

Outstanding Shares
Total Supply

Historical Data Points

Date Event Outstanding Supply
May 13, 2026

10-Q filing | 5.7M shares outstanding

5.7M 16M
Mar 16, 2026

10-K filing | 5.6M shares outstanding

5.6M 16M
Nov 06, 2025

10-Q filing | 45.1M shares outstanding

45M 16M
Aug 07, 2025

10-Q filing | 44.8M shares outstanding

45M 16M
Jul 08, 2025

8-K filing: Rallybio Corporation entered into a Membership Interest Purchase Agreement with Recursion Pharmaceuticals, Inc., Exscientia Ventures I, Inc., and Rallybio IPB, LLC, pursuant to which Buyer purchased 50% of the membership interests of RE Ventures I, LLC from Seller in exchange for cash and the issuance of shares of Class A Common Stock of Recursion. ($7.5M proceeds)

45M 16M
May 08, 2025

10-Q filing | 44.8M shares outstanding

45M 16M
Mar 13, 2025

10-K filing | 43.5M shares outstanding

44M 16M
Nov 07, 2024

10-Q filing | 44.6M shares outstanding

45M 16M
Aug 08, 2024

10-Q filing | 44.1M shares outstanding

44M 16M
May 10, 2024

S-3 filing: This S-3 filing relates to the potential resale of up to 3,636,363 shares of common stock by a selling stockholder.

41M 16M
May 09, 2024

10-Q filing | 40.8M shares outstanding

41M 12M
Apr 10, 2024

8-K filing: Rallybio Corporation sold 3,636,363 shares of common stock to Johnson & Johnson Innovation - JJDC, Inc. for approximately $6.6 million in gross proceeds on April 10, 2024. ($6.6M proceeds)

40M 12M
Mar 12, 2024

10-K filing | 40.4M shares outstanding

40M 12M
Nov 09, 2023

10-Q filing | 40.5M shares outstanding

41M 12M
Aug 08, 2023

10-Q filing | 40.4M shares outstanding

40M 12M
May 09, 2023

10-Q filing | 40.2M shares outstanding

40M 12M
May 09, 2023

S-3 filing: This is an S-3 filing for the resale of up to 12,351,600 shares of common stock by selling stockholders.

38M 12M
Mar 06, 2023

10-K filing | 38.1M shares outstanding

38M 0
Nov 07, 2022

10-Q filing | 30.8M shares outstanding

31M 0
Aug 08, 2022

10-Q filing | 30.6M shares outstanding

31M 0
Aug 08, 2022

S-3 filing: Rallybio Corporation files an S-3 form to offer and sell common stock, preferred stock, warrants, or units, with a total proposed amount of $300,000,000, subject to completion.

32M 0
May 10, 2022

10-Q filing | 32.1M shares outstanding

32M 0
Mar 15, 2022

10-K filing | 32.1M shares outstanding

32M 0
Nov 10, 2021

10-Q filing | 32.1M shares outstanding

32M 0
Sep 09, 2021

10-Q filing | 32.1M shares outstanding

32M 0
Jul 22, 2021

S-1/A filing: This is an S-1/A filing for a common stock offering, including firm shares and optional shares, underwritten by Jefferies, Cowen and Evercore.

N/A 0
Jul 02, 2021

S-1 filing: The company is offering shares of common stock in an initial public offering.

N/A 0
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