Bone Biologics Corp (BBLG) - Dilution Analysis

Visualizing historical and potential share dilution over time

Dilution Analysis

High Risk
Significant dilution risk
Last updated: May 14, 2026

Risk Assessment Details

Potential Dilution: 62.47% of current shares
Recent Dilution: 342.61% (2 years)
Historical Dilution Factor: significant recent dilution
Outstanding Shares
1.8M
Potential Supply
1.1M
Additional shares possible
Splits
1 Split 1 Reverse
Past 2 years

Summary

BBLG currently has 1.8M outstanding shares. with significant dilution risk as 1.12M authorized shares could dilute existing holders by 62.5%. The company has significantly diluted shareholders by 342.61% over the past 2 years, indicating aggressive capital raising. Recent corporate actions include 1 stock split (positive for accessibility) and 1 reverse split (concerning signal).

Share Structure Timeline

Outstanding Shares
Total Supply

Historical Data Points

Date Event Outstanding Supply
May 14, 2026

10-Q filing | 1.8M shares outstanding

1.8M 1.1M
Nov 14, 2025

10-Q filing | 1.8M shares outstanding

1.8M 1.1M
Aug 14, 2025

10-Q filing | 1.8M shares outstanding

1.8M 1.1M
Jun 30, 2025

8-K filing: Bone Biologics Corporation completed a public offering of common stock, pre-funded warrants, Series D warrants, and Series E warrants, resulting in net proceeds of approximately $4.3 million.

1.6M 1.3M
Jun 24, 2025

S-3 filing: Bone Biologics Corporation files an S-3 to offer and sell up to $35,000,000 of common stock and preferred stock in one or more offerings.

540K 2.4M
Jun 24, 2025

S-1 filing: The company is offering common stock, pre-funded warrants, Series D warrants, and Series E warrants, with H.C. Wainwright & Co., LLC acting as the exclusive placement agent.

550K 2.4M
Jun 10, 2025
Stock Split

8-K filing: Stock split 1-for-6 | Outstanding: 3,183,191 → 530,531

530K 0
May 12, 2025

10-Q filing | 3.2M shares outstanding

3.2M 0
Feb 26, 2025

10-K filing | 3.3M shares outstanding

3.3M 0
Nov 14, 2024

10-Q filing | 2.5M shares outstanding

2.5M 0
Aug 12, 2024

S-3 filing: This prospectus relates to the public offering of up to 1,617,919 shares of common stock of Bone Biologics Corporation by the selling stockholders, issuable upon the exercise of outstanding warrants.

1.8M 220K
Aug 09, 2024

10-Q filing | 1.8M shares outstanding

1.8M 0
Aug 02, 2024

8-K filing: Bone Biologics Corporation completed an inducement transaction involving the exercise of existing warrants and the issuance of new warrants, resulting in gross proceeds of approximately $2.1 million before deducting fees and expenses. ($2.0M proceeds)

1.1M 0
May 14, 2024

10-Q filing | 1.1M shares outstanding

1.1M 0
Mar 06, 2024

8-K filing: Bone Biologics Corporation priced a public offering of 119,000 shares of common stock and warrants, as well as pre-funded warrants to purchase 662,251 shares of common stock and warrants, with the offering closing on March 6, 2024, resulting in 879,176 shares of Common Stock outstanding. ($1.5M proceeds)

880K 0
Feb 26, 2024

S-1/A filing: The filing discusses the issuance of warrants to purchase common stock to H.C. Wainwright for placement agent services.

530K 0
Feb 23, 2024

S-1/A filing: This S-1/A filing relates to an offering of common stock, pre-funded warrants, and warrants, with H.C. Wainwright & Co., LLC acting as the exclusive placement agent.

530K 1.2M
Feb 21, 2024

10-K filing | 0.5M shares outstanding

530K 0
Jan 30, 2024

S-1 filing: This S-1 filing details a combination offering of common stock and warrants to purchase common stock, as well as pre-funded warrants for certain investors.

530K 0
Jan 17, 2024

S-3/A filing: This prospectus relates to the public offering of up to 142,384 shares of common stock of Bone Biologics Corporation by the selling stockholders, issuable upon exercise of outstanding warrants at an exercise price of $4.16 per share and expiring on May 21, 2029.

530K 0
Jan 05, 2024

S-3 filing: This S-3 filing relates to the public offering of up to 142,384 shares of common stock of Bone Biologics Corporation by the selling stockholders upon exercise of outstanding warrants.

530K 0
Dec 20, 2023
Stock Split

8-K filing: Stock split 1-for-8 | Outstanding: 3,134,391 → 391,798

390K 0
Nov 20, 2023

8-K filing: Bone Biologics Corporation entered into a securities purchase agreement to sell 1,139,063 shares of common stock at $0.64 per share in a registered direct offering, and agreed to issue unregistered warrants to purchase up to 1,139,063 shares of common stock, with net proceeds expected to be approximately $591,000.

3.1M 0
Nov 14, 2023

10-Q filing | 3.1M shares outstanding

3.1M 0
Aug 14, 2023

10-Q filing | 3.1M shares outstanding

3.1M 0
Jun 16, 2023

8-K filing: Bone Biologics Corporation entered into an underwriting agreement with EF Hutton to sell 2,538,071 shares of its common stock at a public offering price of $1.97 per share.

600K 1.5M
Jun 13, 2023

S-1/A filing: This S-1/A filing pertains to a proposed offering of common stock and pre-funded warrants with the intention to raise capital for clinical trials, patent portfolio maintenance, CRO retention, and general corporate purposes.

600K 1.5M
Jun 06, 2023

S-1/A filing: This S-1/A filing outlines the offering of 1,481,481 shares of common stock at an assumed price of $5.40 per share, along with pre-funded warrants to purchase common stock, with the net proceeds intended to fund clinical trials, patent portfolio maintenance, contract research organizations, working capital, and general corporate purposes.

600K 30M
Jun 05, 2023
Stock Split

8-K filing: Stock split 1-for-30 | Outstanding: 16,115,577 → 537,185

540K 380K
May 15, 2023

10-Q filing | 16.1M shares outstanding

16M 11M
Mar 30, 2023

10-K filing | 16.7M shares outstanding

17M 11M
Nov 14, 2022

10-Q filing | 15.3M shares outstanding

15M 12M
Oct 13, 2022

8-K filing: The Company completed a public offering of 3,777,778 units, each consisting of one share of common stock and warrants, at a price of $1.35 per Unit, generating gross proceeds of $5,100,000.30. ($5.1M proceeds)

10M 17M
Oct 11, 2022

8-K filing: Bone Biologics Corporation entered into an underwriting agreement with WallachBeth Capital, LLC for a public offering of 3,777,778 units at $1.35 per unit, resulting in gross proceeds of approximately $5,100,000 before discounts and expenses, with each unit including one share of common stock and warrants. ($5.1M proceeds)

10M 17M
Oct 05, 2022

S-1/A filing: The company is offering 1,923,077 units, each consisting of one share of common stock, one Series A warrant (exercise price of $3.12), one Series B warrant (exercise price of $2.60), and one Series C warrant (exercise price of $4.16).

10M 17M
Oct 04, 2022

S-1/A filing: This S-1/A filing outlines a unit offering of common stock and warrants, intending to use the proceeds for clinical trials, patent maintenance, contract research organizations, and working capital.

10M 16M
Sep 23, 2022

S-1 filing: Bone Biologics Corporation is offering units, each consisting of one share of common stock, one Series A warrant, one Series B warrant, and one Series C warrant.

10M 14M
Aug 11, 2022

10-Q filing | 10.4M shares outstanding

10M 14M
Jun 28, 2022

S-3 filing: The filing relates to the Company's offer, sale, and issuance from time to time, pursuant to Rule 415 under the Securities Act, of the following securities of the Company with an aggregate public offering price of up to $20,000,000: (1) shares of the Company's common stock; (2) shares of the Company's preferred stock; (3) debt securities of the Company; (4) warrants to purchase shares of Common Stock, shares of Preferred Stock, or Debt Securities, or any combination of such securities; (5) stock purchase rights entitling or obligating the holders thereof to purchase Common Stock or Preferred Stock from the Company at a future date or dates and (6) units consisting of any combination of shares of Common Stock, shares of Preferred Stock, Debt Securities, and/or Warrants.

10M 14M
May 13, 2022

10-Q filing | 10.4M shares outstanding

10M 1.9M
Mar 15, 2022

10-K filing | 10.4M shares outstanding

10M 1.9M
Dec 22, 2021

8-K filing: Bone Biologics Corporation entered into a revised Employment Agreement with CFO Deina H. Walsh, granting her a stock option for 25,000 shares of common stock and an opportunity to invest in future financings to prevent dilution.

10M 2M
Nov 15, 2021

10-Q filing | 10.3M shares outstanding

10M 2M
Oct 19, 2021

8-K filing: The company completed a public offering of 1,510,455 units, each consisting of one share of common stock and one warrant, at a price of $5.25 per unit, generating gross proceeds of $7,929,889. ($7.93M proceeds)

12M 0
Oct 15, 2021
Stock Split

8-K filing: Bone Biologics Corporation entered into an underwriting agreement for a public offering of units, each consisting of one share of common stock and one warrant, at a price of $5.25 per unit, and also effected a 1-for-2.5 reverse stock split. ($15.8M proceeds)

12M 0
Oct 07, 2021

S-1/A filing: The company is offering units consisting of one share of common stock and a warrant to purchase one share of common stock at an exercise price of $9.60 per share, with the units offered at a public offering price of $8.00 per unit.

31M 0
Oct 06, 2021

S-1/A filing: This S-1/A filing describes an offering of units, each consisting of one share of common stock and a warrant to purchase one share of common stock, with the warrants exercisable at $9.60 per share.

31M 0
Aug 30, 2021

S-1/A filing: This is an S-1/A filing for Bone Biologics Corporation describing an offering of Units, each consisting of one share of common stock and a warrant to purchase one share of common stock.

31M 0
Aug 16, 2021

10-Q filing | 30.7M shares outstanding

31M 0
Jun 28, 2021

S-1 filing: This S-1 filing outlines the company's business, technology, licensing agreement with UCLA TDG, and the terms of a proposed offering of units consisting of common stock and warrants.

31M 0
May 21, 2021

10-Q filing | 30.7M shares outstanding

31M 0
Apr 15, 2021

10-Q filing | 30.7M shares outstanding

31M 0
Apr 15, 2021

10-Q filing | 30.7M shares outstanding

31M 0
Apr 15, 2021

10-K filing | 30.7M shares outstanding

31M 0
Apr 15, 2021

10-Q filing | 30.7M shares outstanding

31M 0
Mar 30, 2020

10-K filing | 30.7M shares outstanding

31M 0
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