AYTU · Aytu Biopharma, Inc

Grant of restricted stock, which vest on October 3, 2026.

Grant of restricted stock, which vest as follows: 1/3 on October 3, 2026, with the remaining restricted stock vesting in 8 equal quarterly installments beginning January 3, 2027.

The reporting person was granted fully vested restricted stock in lieu of cash in satisfaction of their annual bonus.

Grant of restricted stock, which vest on October 3, 2026.

Grant of restricted stock, which vest on October 3, 2026.

The reporting person was granted fully vested restricted stock in lieu of cash in satisfaction of their annual bonus.

Grant of restricted stock, which vest as follows: 1/3 on October 3, 2026, with the remaining restricted stock vesting in 8 equal quarterly installments beginning January 3, 2027.

Grant of restricted stock, which vest as follows: 1/3 on October 3, 2026, with the remaining restricted stock vesting in 8 equal quarterly installments beginning January 3, 2027.

Grant of restricted stock, which vest on October 3, 2026.

Grant of restricted stock, which vest as follows: 1/3 on October 3, 2026, with the remaining restricted stock vesting in 8 equal quarterly installments beginning January 3, 2027.

The reporting person was granted fully vested restricted stock in lieu of cash in satisfaction of their annual bonus.

Purchased pursuant to the Issuer's registered offering more particularly described on the Registration Statement on Form S-1, as amended, filed by the Issuer on June 2, 2025.

Total reflects 1-to-20 reverse stock split effected by the Issuer on January 6, 2023.

Purchased pursuant to the Issuer's registered offering more particularly described on the Registration Statement on Form S-1, as amended, filed by the Issuer on June 2, 2025.

Subject to certain limits on beneficial ownership, the Prefunded Warrants may be exercised to purchase Issuer Common Stock at an exercise price of $0.0001 per share. The Prefunded Warrants do not expire until exercised in full.

Nantahala Capital Management, LLC ("NCM"), an investment adviser to certain private funds and managed accounts (the "NCM Investors") that hold the Aytu BioPharma, Inc ("Issuer") securities disclosed in this Form 4, may be deemed a beneficial owner of such securities. Each of Mr. Wilmot B Harkey and Mr. Daniel Mack may be deemed a beneficial owner of Issuer securities beneficially owned by NCM. Each of NCM, Mr. Harkey and Mr. Mack disclaims beneficial ownership of the Issuer's securities disclosed herein except to the extent of their respective pecuniary interests therein.

Restricted stock units ("RSUs"), each of which represents a contingent right to receive one share of the Issuer's common stock. The RSUs were granted on March 31, 2022, and vest quarterly beginning March 31, 2023 and ending March 31, 2025.

Restricted stock units ("RSUs"), each of which represents a contingent right to receive one share of the Issuer's common stock. The RSUs were granted on March 31, 2022, and vest quarterly beginning March 31, 2023 and ending March 31, 2025.

On February 28, 2025, Joshua R. Disbrow, purchased a total of 15,000 shares of common stock in multiple open market transaction at prices per share ranging from $1.29 to $1.30, with a weighted average price of approximately $1.30 per share. Mr. Disbrow undertakes to provide to AYTU BIOPHARMA, INC., any security holder of AYTU BIOPHARMA, INC., or the staff of the United States Securities and Exchange Commission, upon request, full information regarding the number of shares purchased at each separate price within the ranges set forth in this footnote.

Restricted stock units (RSUs"), each of which represents a contingent right to receive one share of the Issuer's common stock. The RSUs were granted February 5, 2022, vesting quarterly beginning February 5, 2023, and ending February 5, 2025.

Restricted stock units (RSUs"), each of which represents a contingent right to receive one share of the Issuer's common stock. The RSUs were granted February 5, 2022, vesting quarterly beginning February 5, 2023, and ending February 5, 2025.

Restricted stock units ("RSUs"), each of which represents a contingent right to receive one share of the Issuer's common stock. The RSUs were granted on March 31, 2022, and vest quarterly beginning March 31, 2023 and ending March 31, 2025.

Restricted stock units ("RSUs"), each of which represents a contingent right to receive one share of the Issuer's common stock. The RSUs were granted on March 31, 2022, and vest quarterly beginning March 31, 2023 and ending March 31, 2025.

Represents shares of restricted stock which vest as follows: One-third on November 11, 2025; 1/12th of the original grant quarterly thereafter through November 11, 2027.

The options vest as follows: 1/3 on November 6, 2025, with the remaining options vesting in 24 equal monthly installments beginning December 6, 2025.

Grant of restricted shares, which vest on the earlier of November 6, 2025, or at the Issuer's next annual stockholder meeting.

The options vest as follows: 1/3 on November 6, 2025, with the remaining options vesting in 24 equal monthly installments beginning December 6, 2025.

The options vest as follows: 1/3 on November 6, 2025, with the remaining options vesting in 24 equal monthly installments beginning December 6, 2025.

Grant of restricted shares, which vest on the earlier of November 6, 2025, or at the Issuer's next annual stockholder meeting.

Grant of restricted shares, which vest on the earlier of November 6, 2025, or at the Issuer's next annual stockholder meeting.

Grant of restricted shares, which vest on the earlier of November 6, 2025, or at the Issuer's next annual stockholder meeting.

Restricted stock units ("RSUs"), each of which represents a contingent right to receive one share of the Issuer's common stock. The RSUs were granted on March 31, 2022, and vest quarterly beginning March 31, 2023 and ending March 31, 2025.

Restricted stock units ("RSUs"), each of which represents a contingent right to receive one share of the Issuer's common stock. The RSUs were granted on March 31, 2022, and vest quarterly beginning March 31, 2023 and ending March 31, 2025.

Restricted stock units ("RSUs"), each of which represents a contingent right to receive one share of the Issuer's common stock. The RSUs were granted on March 31, 2022, and vest quarterly beginning March 31, 2023 and ending March 31, 2025.

Restricted stock units ("RSUs"), each of which represents a contingent right to receive one share of the Issuer's common stock. The RSUs were granted on March 31, 2022, and vest quarterly beginning March 31, 2023 and ending March 31, 2025.

Subject to certain limits on beneficial ownership, the Exchange Warrants may be exercised to purchase Issuer Common Stock at an exercise price of $0.0001 per share. The Exchange Warrants do not expire until exercised in full.

Nantahala Capital Management, LLC ("NCM"), an investment adviser to certain private funds and managed accounts (the "NCM Investors") that hold the Aytu BioPharma, Inc ("Issuer") securities disclosed in this Form 4, may be deemed a beneficial owner of such securities. Each of Mr. Wilmot B Harkey and Mr. Daniel Mack may be deemed a beneficial owner of Issuer securities beneficially owned by NCM. Each of NCM, Mr. Harkey and Mr. Mack disclaims beneficial ownership of the Issuer's securities disclosed herein except to the extent of their respective pecuniary interests therein.

The Tranche B Warrants may be exercised for either shares of Common Stock or Exchange Warrants. Subject to certain limits on beneficial ownership, the Tranche B Warrants are exercisable at a price of $1.59 per share (or $1.5899 per Exchange Warrant). The Tranche B Warrants will expire upon the earlier of (x) five years after the date of issuance, and (y) 30 days following the Issuer's achievement of consolidated trailing twelve-month adjusted EBITDA of $12 million.

Nantahala Capital Management, LLC ("NCM"), an investment adviser to certain private funds and managed accounts (the "NCM Investors") that hold the Aytu BioPharma, Inc ("Issuer") securities disclosed in this Form 4, may be deemed a beneficial owner of such securities. Each of Mr. Wilmot B Harkey and Mr. Daniel Mack may be deemed a beneficial owner of Issuer securities beneficially owned by NCM. Each of NCM, Mr. Harkey and Mr. Mack disclaims beneficial ownership of the Issuer's securities disclosed herein except to the extent of their respective pecuniary interests therein.

Restricted stock units ("RSUs"), each of which represents a contingent right to receive one share of the Issuer's common stock. The RSUs were granted on March 31, 2022, and vest quarterly beginning March 31, 2023 and ending March 31, 2025.

Restricted stock units ("RSUs"), each of which represents a contingent right to receive one share of the Issuer's common stock. The RSUs were granted on March 31, 2022, and vest quarterly beginning March 31, 2023 and ending March 31, 2025.

Represents restricted stock units ("RSUs"), each of which represents a contingent right to receive one share of the Issuer's common stock. The RSUs were granted on March 31, 2022, and vest as follows: One-third on March 31, 2023; 1/12th of the original grant quarterly thereafter through March 31, 2025. Settlement of vested RSUs will occur as soon as practicable following vesting.

Represents restricted stock units ("RSUs"), each of which represents a contingent right to receive one share of the Issuer's common stock. The RSUs were granted on March 31, 2022, and vest as follows: One-third on March 31, 2023; 1/12th of the original grant quarterly thereafter through March 31, 2025. Settlement of vested RSUs will occur as soon as practicable following vesting.

Represents restricted stock units ("RSUs"), each of which represents a contingent right to receive one share of the Issuer's common stock. The RSUs were granted on March 31, 2022, and vest as follows: One-third on March 31, 2023; 1/12th of the original grant quarterly thereafter through March 31, 2025. Settlement of vested RSUs will occur as soon as practicable following vesting.

Represents restricted stock units ("RSUs"), each of which represents a contingent right to receive one share of the Issuer's common stock. The RSUs were granted on March 31, 2022, and vest as follows: One-third on March 31, 2023; 1/12th of the original grant quarterly thereafter through March 31, 2025. Settlement of vested RSUs will occur as soon as practicable following vesting.

Grant of restricted shares, which vest as follows: 1/3 on June 14, 2024, with the remaining restricted shares vesting in eight equal installments every three months, beginning on September 14, 2024.

Grant of restricted shares, which vest as follows: 1/3 on August 11, 2024, with the remaining restricted shares vesting in eight equal installments every three months, beginning on November 11, 2024.

The options vest as follows: 1/3 vest on August 11, 2024, with the remaining options vesting in 24 equal monthly installments, beginning September 11, 2024.

The options vest as follows: 1/3 on August 11, 2024, with the remaining options vesting in 24 equal monthly installments beginning September 11, 2024.

The options vest as follows: 1/3 on August 11, 2024, with the remaining options vesting in 24 equal monthly installments beginning September 11, 2024.

Grant of restricted shares, which vest as follows: 1/3 on August 11, 2024, with the remaining restricted shares vesting in eight equal installments every three months beginning on November 11, 2024.

Reflects 1-for-20 reverse stock split effected by the Issuer on January 6, 2023.

The options vest as follows: 1/3 on August 11, 2024, with the remaining options vesting in 24 equal monthly installments beginning September 11, 2024.

Grant of restricted shares, which vest as follows: 1/3 on August 11, 2024, with the remaining restricted shares vesting in eight equal installments every three months beginning November 11, 2024.

Reflects 1-for-20 reverse stock split effected by the Issuer on January 6, 2023.

The options vest as follows: 1/3 on August 11, 2024, with the remaining options vesting in 24 equal monthly installments beginning September 11, 2024.