AYTU BIOPHARMA, INC (AYTU) - 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: 0.0% of current shares
Recent Dilution: 104.7% (2 years)
Historical Dilution Factor: significant recent dilution
Outstanding Shares
11M
Potential Supply
0
Additional shares possible
Splits
None
Past 2 years

Summary

AYTU currently has 10.5M outstanding shares. with minimal authorized share overhang for future dilution. The company has significantly diluted shareholders by 104.7% over the past 2 years, indicating aggressive capital raising.

Share Structure Timeline

Outstanding Shares
Total Supply

Historical Data Points

Date Event Outstanding Supply
May 13, 2026

10-Q filing | 10.5M shares outstanding

11M 0
Nov 13, 2025

10-Q filing | 9.4M shares outstanding

9.4M 0
Sep 23, 2025

10-K filing | 9.0M shares outstanding

9M 0
Jun 06, 2025

8-K filing: Aytu BioPharma, Inc. entered into an underwriting agreement for a public offering of 1,366,668 shares of common stock at $1.50 per share and 8,233,332 prefunded warrants at $1.4999 per warrant, with net proceeds expected to be approximately $12.9 million.

6M 1.6M
Jun 05, 2025

S-1/A filing: The proposed maximum aggregate offering price of common stock will be reduced based on the offering price of any prefunded warrants issued in the offering, and the proposed maximum aggregate offering price of the prefunded warrants will be reduced based on the offering price of any shares of Common Stock issued in the offering.

6M 1.6M
Jun 02, 2025

S-1 filing: This S-1 filing outlines the terms of a proposed offering of common stock and pre-funded warrants, including representations, warranties, and agreements between the company and the underwriters.

6M 1.6M
May 14, 2025

10-Q filing | 6.1M shares outstanding

6.1M 1.5M
Feb 12, 2025

10-Q filing | 6.1M shares outstanding

6.1M 1.5M
Nov 13, 2024

10-Q filing | 6.1M shares outstanding

6.1M 1.5M
Sep 26, 2024

10-K filing | 5.5M shares outstanding

5.5M 2.1M
Sep 26, 2024

S-3 filing: The company files an S-3 form to register the offering of debt securities, common stock, preferred stock, warrants, rights, and units up to $100,000,000.

4.4M 3.3M
May 15, 2024

10-Q filing | 5.5M shares outstanding

5.5M 2.1M
Feb 14, 2024

10-Q filing | 5.5M shares outstanding

5.5M 2.1M
Nov 14, 2023

10-Q filing | 5.5M shares outstanding

5.5M 2.1M
Oct 12, 2023

10-K filing | 5.5M shares outstanding

5.5M 2.1M
Jun 12, 2023

8-K filing: Aytu BioPharma, Inc. entered into a securities purchase agreement to issue and sell 1,743,695 shares of common stock, pre-funded warrants to purchase 430,217 shares of common stock, Tranche A warrants to purchase 2,173,912 shares of common stock, and Tranche B warrants to purchase 2,173,912 shares of common stock in a best-efforts offering, expected to close on June 13, 2023, with gross proceeds of approximately $4 million. ($4.0M proceeds)

3.7M 3.9M
Jun 05, 2023

S-1/A filing: The filing is an S-1/A registration statement for a best-efforts offering of up to 4,938,271 shares of common stock, Tranche A Warrants, Tranche B Warrants and Pre-Funded Warrants.

3.7M 3.9M
May 11, 2023

10-Q filing | 3.7M shares outstanding

3.7M 8.8M
May 01, 2023

S-1 filing: AYTU BioPharma is offering up to 4,938,271 shares of common stock at an assumed price of $2.43 per share, along with pre-funded warrants to purchase one share of common stock, and has engaged Maxim Group LLC as the exclusive placement agent.

3.6M 9M
Feb 21, 2023

10-Q filing | 3.6M shares outstanding

3.6M 0
Jan 06, 2023
Stock Split

8-K filing: Stock split 1-for-20 | Outstanding: 62,429,445 → 3,400,000

3.4M 0
Nov 14, 2022

10-Q filing | 62.4M shares outstanding

62M 0
Sep 27, 2022

10-K filing | 38.6M shares outstanding

39M 15M
Aug 10, 2022

8-K filing: Aytu BioPharma, Inc. entered into an underwriting agreement to issue and sell 21,505,814 shares of common stock, pre-funded warrants to purchase 1,750,000 shares of common stock, and warrants to purchase 23,255,814 shares of common stock at a combined price of $0.43 per share/warrant or $0.429 per pre-funded warrant/warrant, with estimated net proceeds of $9.1 million.

33M 20M
Jun 08, 2022

S-3 filing: This prospectus relates to the resale of 867,769 shares of Common Stock, par value $0.0001 per share of Aytu BioPharma, Inc. by Avenue Venture Opportunities Fund, LP and Avenue Venture Opportunities Fund II, LP. The Common Stock is issuable upon the exercise of 867,769 warrants of the Company issued to the Selling Stockholders pursuant to the loan and security agreement dated January 26, 2022.

33M 20M
May 16, 2022

10-Q filing | 33.4M shares outstanding

33M 19M
Feb 14, 2022

10-Q filing | 30.0M shares outstanding

30M 23M
Nov 15, 2021

10-Q filing | 25.6M shares outstanding

26M 27M
Sep 28, 2021

10-K filing | 27.5M shares outstanding

27M 25M
Sep 28, 2021

S-3 filing: The company files an S-3 shelf registration to offer debt securities, common stock, preferred stock, warrants, rights, and units, up to a total amount of $100,000,000.

25M 27M
May 17, 2021

10-Q filing | 25.2M shares outstanding

25M 27M
Mar 23, 2021

8-K filing: Aytu BioPharma, Inc. issued 102,759 shares of common stock valued at $1.0 million to holders of Contingent Value Rights relating to the merger with Innovus Pharmaceuticals, Inc. due to achieving a milestone. ($1.0M proceeds)

18M 35M
Feb 11, 2021

10-Q filing | 17.9M shares outstanding

18M 35M
Dec 14, 2020

8-K filing: Aytu BioScience, Inc. entered into an underwriting agreement with H.C. Wainwright & Co., LLC to sell 4,166,667 shares of common stock at $6.00 per share, with an option for Wainwright to purchase an additional 625,000 shares. ($25.0M proceeds)

130M 0
Nov 12, 2020

10-Q filing | 125.8M shares outstanding

130M 0
Oct 06, 2020

10-K filing | 17.5M shares outstanding

18M 35M
Jul 02, 2020

8-K filing: Aytu BioScience, Inc. entered into Restricted Stock Cancelation and Exchange Agreements (RSCE Agreement) with officers and directors to exchange their right, title and interest in their respective share of the November Equity Grant for cash. Additionally, the company granted options and restricted stock to the CEO and CFO and issued warrants to H.C. Wainwright & Co., LLC. ($0.84M proceeds)

120M 0
Jun 12, 2020

8-K filing: Aytu BioScience, Inc. entered into an Asset Purchase Agreement with Cerecor Inc. to purchase certain assets, and assume certain liabilities, from Cerecor for approximately $32 million in cash, shares of Aytu Series G Preferred Stock, and assumption of obligations. Additionally, they entered into Securities Purchase Agreements for the issuance and sale of Series F Convertible Preferred Stock and warrants.

120M 0
Jun 08, 2020

S-3 filing: This S-3 filing relates to an at-the-market offering of common stock, with an aggregate offering price of up to $40.0 million, to be offered through Jefferies LLC, primarily intended for working capital and general corporate purposes.

120M 0
May 15, 2020

10-Q filing | 17.5M shares outstanding

18M 9.8M
Mar 20, 2020

8-K filing: Aytu BioScience, Inc. entered into a securities purchase agreement to sell and issue 12,539,197 shares of common stock and warrants to purchase up to 12,539,197 shares at a price of $1.595 per share, for gross proceeds of $20.0 million. ($20.0M proceeds)

27M 520K
Mar 13, 2020

8-K filing: Aytu BioScience, Inc. completed a registered direct offering on March 13, 2020, selling 16,000,000 shares of common stock at $1.25 per share and warrants to purchase up to 16,000,000 shares, resulting in gross proceeds of $20.0 million before deducting fees. ($20.0M proceeds)

27M 520K
Mar 13, 2020

8-K filing: Aytu BioScience, Inc. entered into a securities purchase agreement to sell 4,450,000 shares of common stock at $1.15 per share and pre-funded warrants to purchase up to 3,376,087 shares of common stock at an effective price of $1.15 per share, for aggregate gross proceeds of approximately $9.0 million. ($9.0M proceeds)

27M 520K
Feb 24, 2020

S-3 filing: This prospectus relates to the resale of 9,805,845 shares of Common Stock issuable upon the conversion of 9,805,845 shares of Series G Convertible Preferred Stock by Cerecor Inc.

27M 520K
Feb 14, 2020

10-Q filing | 17.5M shares outstanding

18M 0
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