Theriva Biologics, Inc. (TOVX) - Dilution Analysis

Visualizing historical and potential share dilution over time

Dilution Analysis

High Risk
Significant dilution risk
Last updated: May 05, 2026

Risk Assessment Details

Potential Dilution: 0.0% of current shares
Recent Dilution: 619.37% (2 years)
Historical Dilution Factor: significant recent dilution
Outstanding Shares
46M
Potential Supply
0
Additional shares possible
Splits
1 Split 1 Reverse
Past 2 years

Summary

TOVX currently has 45.9M outstanding shares. with minimal authorized share overhang for future dilution. The company has significantly diluted shareholders by 619.37% 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 05, 2026

10-Q filing | 45.9M shares outstanding

46M 0
Mar 12, 2026

10-K filing | 45.9M shares outstanding

46M 0
Nov 07, 2025

S-3 filing: This prospectus relates to the resale from time to time of up to an aggregate of 16,184,560 shares of common stock of Theriva Biologics, Inc. by the Selling Stockholders.

34M 7M
Aug 11, 2025

10-Q filing | 9.6M shares outstanding

9.6M 15M
May 14, 2025

10-Q filing | 8.2M shares outstanding

8.2M 16M
May 08, 2025

8-K filing: Theriva Biologics, Inc. consummated a public offering of 1,990,900 shares of common stock, pre-funded warrants to purchase 4,827,280 shares, and common stock purchase warrants to purchase 6,818,180 shares, for gross proceeds of approximately $7.5 million. ($7.5M proceeds)

4.8M 20M
Mar 21, 2025

S-1/A filing: The company is filing an S-1/A to offer up to 8,403,361 shares of Common Stock and accompanying Common Warrants to purchase up to 8,403,361 shares of Common Stock, or up to 8,403,361 Pre-Funded Warrants to purchase shares of Common Stock and accompanying Common Warrants to purchase up to 8,403,361 shares of Common Stock on a reasonable "best efforts" basis.

2.8M 22M
Mar 06, 2025

10-K filing | 2.8M shares outstanding

2.8M 12M
Jan 21, 2025

S-1/A filing: This S-1/A filing relates to a proposed offering of up to 6,756,756 shares of Common Stock and accompanying Common Warrants or Pre-Funded Warrants and accompanying Common Warrants on a reasonable "best efforts" basis, with the net proceeds intended for working capital and general corporate purposes.

2.8M 12M
Dec 10, 2024

S-1 filing: This S-1 filing describes an offering of common stock and warrants. The company intends to use the net proceeds from this offering primarily for working capital and general corporate purposes, including for research and development and manufacturing scale-up.

2.8M 5M
Nov 12, 2024

10-Q filing | 2.8M shares outstanding

2.8M 5M
Sep 30, 2024

8-K filing: Theriva Biologics, Inc. consummated a public offering of 918,600 shares of common stock, pre-funded warrants to purchase up to 510,000 shares of common stock, and common stock purchase warrants to purchase up to 1,428,600 shares of common stock, resulting in gross proceeds of approximately $2.5 million. ($2.5M proceeds)

2.3M 5.5M
Sep 23, 2024

S-1/A filing: The company is offering up to 2,173,913 shares of common stock, together with warrants to purchase up to 2,173,913 shares of common stock, and pre-funded warrants to purchase up to 2,173,913 shares of common stock underlying the common warrants and pre-funded warrants.

1.4M 6.4M
Sep 11, 2024

S-3/A filing: Theriva Biologics, Inc. files an S-3/A registration statement to offer and sell up to $200,000,000 of common stock, preferred stock, and/or debt securities.

1.4M 0
Sep 10, 2024

S-1 filing: This is an S-1 filing for Theriva Biologics, Inc. registering the offering of common stock, pre-funded warrants and common warrants with the intention to use the net proceeds for working capital and general corporate purposes, including for research and development and potential acquisitions.

1.4M 0
Sep 09, 2024

8-K filing: Theriva Biologics, Inc. received a notice of conversion from the holder of 4,138 shares of its Series C Convertible Preferred Stock and 100,000 shares of its Series D Convertible Preferred Stock which were converted into 27,316 shares of the Company's common stock at a conversion price of $30.50 per share.

1M 270K
Aug 26, 2024
Stock Split

8-K filing: Stock split 1-for-25 | Outstanding: 25,131,230 → 1,005,249

1M 0
Aug 13, 2024

10-Q filing | 25.1M shares outstanding

25M 6.7M
Jul 31, 2024

8-K filing: On July 30, 2024, the Company received a notice of conversion from the holder of shares of its Series C Convertible Preferred Stock to convert the 135,431 shares of Series C Convertible Preferred Stock into 888,072 shares of the Company's common stock at a conversion price of $1.22 per share.

17M 15M
May 16, 2024

8-K filing: Theriva Biologics, Inc. received a notice of conversion of 135,431 shares of its Series C Convertible Preferred Stock into 888,072 shares of the Company's common stock at a conversion price of $1.22 per share on May 13, 2024.

17M 15M
May 07, 2024

10-Q filing | 17.1M shares outstanding

17M 15M
May 02, 2024

S-3 filing: Theriva Biologics, Inc. is offering a combination of securities, including common stock, preferred stock, and debt securities, up to a total of $200,000,000, and is also offering common stock through an at-the-market offering.

17M 15M
Mar 25, 2024

10-K filing | 16.1M shares outstanding

16M 13M
Nov 13, 2023

10-Q filing | 17.0M shares outstanding

17M 12M
Aug 08, 2023

10-Q filing | 17.0M shares outstanding

17M 12M
May 11, 2023

10-Q filing | 15.1M shares outstanding

15M 14M
Mar 30, 2023

10-K filing | 15.3M shares outstanding

15M 14M
Dec 23, 2022

8-K filing: Theriva Biologics, Inc. repurchased 720,000 shares of its common stock from three founders of its subsidiary for an aggregate purchase price of $288,072. ($0.29M proceeds)

16M 13M
Nov 10, 2022

10-Q filing | 15.8M shares outstanding

16M 13M
Sep 06, 2022

S-3 filing: The selling stockholder may offer and resell under this prospectus up to 2,459,017 shares of common stock.

16M 13M
Aug 11, 2022

10-Q filing | 15.8M shares outstanding

16M 11M
Jul 29, 2022

8-K filing: Synthetic Biologics, Inc. closed a private placement offering issuing 275,000 shares of Series C Convertible Preferred Stock and 100,000 shares of Series D Convertible Preferred Stock at $8.00 per share, for gross proceeds of approximately $3.0 million. ($3.0M proceeds)

15 26M
Jul 25, 2022
Stock Split

8-K filing: Stock split 1-for-10 | Outstanding: 158,437,840 → 15

15 2.6M
May 16, 2022

10-Q filing | 158.4M shares outstanding

160M 110M
Mar 16, 2022

10-K filing | 158.4M shares outstanding

160M 110M
Mar 11, 2022

8-K filing: Synthetic Biologics, Inc. amended its Share Purchase Agreement with VCN Biosciences, S.L. to reallocate a portion of the 26,395,303 shares of common stock to certain key employees and consultants of VCN at the closing of the acquisition of VCN.

130M 130M
Dec 14, 2021

8-K filing: Synthetic Biologics, Inc. entered into a Share Purchase Agreement with VCN Biosciences, S.L. to acquire all outstanding shares of VCN in exchange for $4,700,000 and 26,395,303 shares of Synthetic's common stock.

130M 130M
Nov 03, 2021

10-Q filing | 132.0M shares outstanding

130M 130M
Oct 22, 2021

S-3 filing: This prospectus relates to the offer and sale of 6,344,966 shares of common stock issuable upon the exercise of outstanding warrants that were issued in October 2018, exercisable at $0.69 per share until October 15, 2023.

130M 130M
Aug 05, 2021

10-Q filing | 132.0M shares outstanding

130M 130M
May 05, 2021

10-Q filing | 132.0M shares outstanding

130M 130M
May 03, 2021

S-3 filing: The company is filing an S-3 to offer and sell up to $300,000,000 in the aggregate of common stock, preferred stock, and debt securities from time to time in one or more offerings.

130M 130M
May 03, 2021

8-K filing: Synthetic Biologics, Inc. entered into Amendment No. 1 to the amended and restated at market issuance sales agreement with B. Riley Securities, Inc. and A.G.P./Alliance Global Partners, as sales agents, pursuant to which sales may occur under the Company's New Registration Statement. ($83.6M proceeds)

130M 130M
Mar 04, 2021

10-K filing | 129.7M shares outstanding

130M 0
Feb 19, 2021

8-K filing: Synthetic Biologics, Inc. sold 65,685,544 shares of common stock for $63,601,894 under the Sales Agreement pursuant to the Registration Statement, with 105,223,086 shares of common stock outstanding as of February 18, 2021. ($63.6M proceeds)

110M 0
Feb 10, 2021

8-K filing: Synthetic Biologics, Inc. issued 1,851,149 shares of its common stock upon the conversion of 23,533 shares of its Series A Convertible Preferred Stock on February 9, 2021, and also reports that as of February 9, 2021, it has sold an aggregate of 36,496,555 shares of common stock under the Sales Agreement pursuant to the Registration Statement and had 72,685,015 shares of common stock outstanding.

73M 0
Feb 08, 2021

8-K filing: Synthetic Biologics, Inc. issued 3,454,005 shares of its common stock upon the conversion of 47,398 shares of its Series A Convertible Preferred Stock on February 5, 2021.

63M 0
Feb 04, 2021

8-K filing: Synthetic Biologics, Inc. updated information on its Registration Statement relating to the offer and sale of shares of its common stock through B. Riley Securities, Inc. As of February 3, 2021, the Company has sold an aggregate of 32,574,188 shares of common stock having an aggregate offering price of $30,348,066 under the Sales Agreement pursuant to the Registration Statement. ($30.35M proceeds)

63M 0
Jan 29, 2021

8-K filing: Synthetic Biologics, Inc. issued 3,160,000 shares of its common stock upon conversion of 47,400 shares of its Series A Convertible Preferred Stock on January 29, 2021.

54M 0
Jan 19, 2021

8-K filing: On January 19, 2021, Synthetic Biologics, Inc. reported the sale of 26,009,427 shares of common stock for $24,780,844 and outstanding shares of 53,669,733. ($24.78M proceeds)

54M 0
Jan 06, 2021

8-K filing: Synthetic Biologics, Inc. reports the sale of 12,802,366 shares of common stock for $15,942,452 under an At Market Issuance Sales Agreement as of January 6, 2021, and has 36,954,708 shares of common stock outstanding. ($0.0M proceeds)

37M 0
Nov 17, 2020

8-K filing: On November 17, 2020, Synthetic Biologics, Inc. reported the sale of an aggregate of 3,545,831 shares of common stock (on a post 2018 split basis) having an aggregate offering price of $12,496,747 under the At Market Issuance Sales Agreement. ($12.5M proceeds)

20M 0
Nov 10, 2020

10-Q filing | 20.0M shares outstanding

20M 0
Aug 06, 2020

10-Q filing | 19.4M shares outstanding

19M 0
May 05, 2020

10-Q filing | 18.3M shares outstanding

18M 0
Feb 20, 2020

10-K filing | 17.0M shares outstanding

17M 0
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