PTN · Palatin Technologies Inc

Shares withheld by the issuer, on election of the Reporting Person with the consent of the issuer, to pay employee withholding taxes. Such taxes were withheld and reported for the payroll in the period ended July 15, 2026, with the per share value of $11.77 determined as of June 22, 2026, the date of vesting, for a grant of 79 shares less the 22 shares withheld.

Shares withheld by the issuer, on election of the Reporting Person with the consent of the issuer, to pay employee withholding taxes. Such taxes were withheld and reported for the payroll in the period ended July 15, 2026, with the per share value of $11.72 determined as of June 20, 2026, the date of vesting, for a grant of 330 shares less the 119 shares withheld.

Shares withheld by the issuer, on election of the Reporting Person with the consent of the issuer, to pay employee withholding taxes. Such taxes were withheld and reported for the payroll in the period ended July 15, 2026, with the per share value of $11.77 determined as of June 22, 2026, the date of vesting, for a grant of 91 shares less the 33 shares withheld.

Shares withheld by the issuer, on election of the Reporting Person with the consent of the issuer, to pay employee withholding taxes. Such taxes were withheld and reported for the payroll in the period ended July 15, 2026, with the per share value of $11.72 determined as of June 20, 2026, the date of vesting, for a grant of 287 shares less the 79 shares withheld.

Shares withheld by the issuer, on election of the Reporting Person with the consent of the issuer, to pay employee withholding taxes. Such taxes were withheld and reported for the payroll in the period ended July 15, 2026, with the per share value of $14.34 determined as of June 4, 2026, the date of vesting, for a grant of 345 shares less the 94 shares withheld.

Shares withheld by the issuer, on election of the Reporting Person with the consent of the issuer, to pay employee withholding taxes. Such taxes were withheld and reported for the payroll in the period ended July 15, 2026, with the per share value of $14.34 determined as of June 4, 2026, the date of vesting, for a grant of 395 shares less the 142 shares withheld.

Shares withheld by the issuer, on election of the Reporting Person with the consent of the issuer, to pay employee withholding taxes. Such taxes were withheld and reported for the payroll in the period ended December 30, 2025, with the per share value determined as of December 8, 2025, the date of vesting, for a grant of 95 shares less the 26 shares withheld.

Shares withheld by the issuer, on election of the Reporting Person with the consent of the issuer, to pay employee withholding taxes. Such taxes were withheld and reported for the payroll in the period ended December 30, 2025, with the per share value determined as of December 8, 2025, the date of vesting, for a grant of 110 shares less the 40 shares withheld.

Shares withheld by the issuer, on election of the Reporting Person with the consent of the issuer, to pay employee withholding taxes. Such taxes were withheld and reported for the payroll in the period ended December 30, 2025, with the per share value determined as of December 8, 2025, the date of vesting, for a grant of 380 shares less the 138 shares withheld.

Shares withheld by the issuer, on election of the Reporting Person with the consent of the issuer, to pay employee withholding taxes. Such taxes were withheld and reported for the payroll in the period ended December 30, 2025, with the per share value determined as of December 8, 2025, the date of vesting, for a grant of 345 shares less the 95 shares withheld.

Shares withheld by the issuer, on election of the Reporting Person with the consent of the issuer, to pay employee withholding taxes. Such taxes were withheld and reported for the payroll in the period ended December 30, 2025, with the per share value determined as of December 8, 2025, the date of vesting, for a grant of 330 shares less the 91 shares withheld.

Shares withheld by the issuer, on election of the Reporting Person with the consent of the issuer, to pay employee withholding taxes. Such taxes were withheld and reported for the payroll in the period ended December 30, 2025, with the per share value determined as of December 8, 2025, the date of vesting, for a grant of 395 shares less the 143 shares withheld.

Sale made for estate planning purposes.

Performance-based Stock options granted under the 2011 Stock Incentive Plan, each of which represents the right to receive, upon payment of the exercise price, one share of common stock. The performance condition stock option grant, made June 20, 2023, vested in part on December 9, 2025, upon certification by the Compensation Committee of a defined performance objective as to 100% of the target number of share units for the 18 months ending December 31, 2025.

Restricted share units granted under the 2011 Stock Incentive Plan, each of which represents the right to receive, without further payment, one share of common stock. The performance Restricted share units granted under the 2011 Stock Incentive Plan, each of which represents the right to receive, without further payment, one share of common stock. The performance condition grant, made June 4, 2024, vested in part on December 9, 2025, upon certification by the Compensation Committee of a defined performance objective as to 100% of the target number of share units for the 18 months ending December 31, 2025. The shares have not been issued as of the date of this Form 4, but will be issued on or before the 60th day following December 9, 2025.

Restricted share units granted under the 2011 Stock Incentive Plan, each of which represents the right to receive, without further payment, one share of common stock. The restricted share units vest on December 9, 2026. The restricted share units were granted by the Compensation Committee on December 9, 2025, and there were no impediments to the grant of the restricted stock units.

Restricted share units granted under the 2011 Stock Incentive Plan, each of which represents the right to receive, without further payment, one share of common stock. The restricted share units vest as to 50% on December 9, 2026 and as to the remaining 50% on December 9, 2027. The restricted share units were granted by the Compensation Committee on December 9, 2025, and there were no impediments to the grant of the restricted stock units.

Restricted share units granted under the 2011 Stock Incentive Plan, each of which represents the right to receive, without further payment, one share of common stock. The performance condition grant, made June 22, 2022, vested in part on December 9, 2025, upon certification by the Compensation Committee of a defined performance objective as to 100% of the target number of share units for the 18 months ending December 31, 2025. The shares have not been issued as of the date of this Form 4, but will be issued on or before the 60th day following December 9, 2025.

Performance-based stock options granted under the 2011 Stock Incentive Plan, each of which represents the right to receive, upon payment of the exercise price, one share of common stock. The performance condition stock option grant, made June 22, 2022, vested in part on December 9, 2025, upon certification by the Compensation Committee of a defined performance objective as to 100% of the target number of share units for the 18 months ending December 31, 2025.

Performance-based Stock options granted under the 2011 Stock Incentive Plan, each of which represents the right to receive, upon payment of the exercise price, one share of common stock. The performance condition stock option grant, made June 20, 2023, vested in part on December 9, 2025, upon certification by the Compensation Committee of a defined performance objective as to 100% of the target number of share units for the 18 months ending December 31, 2025.

Restricted share units granted under the 2011 Stock Incentive Plan, each of which represents the right to receive, without further payment, one share of common stock. The performance condition grant, made June 20, 2023, vested in part on December 9, 2025, upon certification by the Compensation Committee of a defined performance objective as to 100% of the target number of share units for the 18 months ending December 31, 2025. The shares have not been issued as of the date of this Form 4, but will be issued on or before the 60th day following December 9, 2025.

Stock Options granted under the 2011 Stock Incentive Plan, the option vests on December 9, 2026, and in the event that the director does not serve until December 31, 2026, is prorated based on the period of service at the rate of 1/12 per month on the last day of each month, starting on January 31, 2026. The options were granted by the Compensation Committee on December 9, 2025, and there were no impediments to the grant of the options.

Restricted share units granted under the 2011 Stock Incentive Plan, each of which represents the right to receive, without further payment, one share of common stock. The restricted share units vest as to 50% on December 9, 2026 and as to the remaining 50% on December 9, 2027. The restricted share units were granted by the Compensation Committee on December 9, 2025, and there were no impediments to the grant of the restricted stock units.

Performance-based stock options granted under the 2011 Stock Incentive Plan, each of which represents the right to receive, upon payment of the exercise price, one share of common stock. The performance condition stock option grant, made June 4, 2024, vested in part on December 9, 2025, upon certification by the Compensation Committee of a defined performance objective as to 100% of the target number of share units for the 18 months ending December 31, 2025.

Performance-based stock options granted under the 2011 Stock Incentive Plan, each of which represents the right to receive, upon payment of the exercise price, one share of common stock. The performance condition stock option grant, made June 4, 2024, vested in part on December 9, 2025, upon certification by the Compensation Committee of a defined performance objective as to 100% of the target number of share units for the 18 months ending December 31, 2025.

Restricted share units granted under the 2011 Stock Incentive Plan, each of which represents the right to receive, without further payment, one share of common stock. The restricted share units vest on December 9, 2026. The restricted share units were granted by the Compensation Committee on December 9, 2025, and there were no impediments to the grant of the restricted stock units.

Stock Options granted under the 2011 Stock Incentive Plan, the option vests on December 9, 2026, and in the event that the director does not serve until December 31, 2026, is prorated based on the period of service at the rate of 1/12 per month on the last day of each month, starting on January 31, 2026. The options were granted by the Compensation Committee on December 9, 2025, and there were no impediments to the grant of options.

Stock Options granted under the 2011 Stock Incentive Plan, the option vests as to 50% on December 9, 2026 and as to the remaining 50% on December 9, 2027. The options were granted by the Compensation Committee on December 9, 2025, and there were no impediments to the grant of options.

Stock Options granted under the 2011 Stock Incentive Plan, the option vests on December 9,2026, and in the event that the director does not serve until December 31, 2026, is prorated based on the period of service at the rate of 1/12 per month on the last day of each month, starting on January 31, 2026. The options were granted by the Compensation Committee on December 9, 2025, and there were no impediments to the grant of the options.

Restricted share units granted under the 2011 Stock Incentive Plan, each of which represents the right to receive, without further payment, one share of common stock. The performance condition grant, made June 22, 2022, vested in part on December 9, 2025, upon certification by the Compensation Committee of a defined performance objective as to 100% of the target number of share units for the 18 months ending December 31, 2025. The shares have not been issued as of the date of this Form 4, but will be issued on or before the 60th day following December 9, 2025.

Stock Options granted under the 2011 Stock Incentive Plan, the option vests as to 50% on December 9, 2026 and as to the remaining 50% on December 9, 2027. The options were granted by the Compensation Committee on December 9, 2025, and there were no impediments to the grant of options.

Performance-based stock options granted under the 2011 Stock Incentive Plan, each of which represents the right to receive, upon payment of the exercise price, one share of common stock. The performance condition stock option grant, made June 22, 2022, vested in part on December 9, 2025, upon certification by the Compensation Committee of a defined performance objective as to 100% of the target number of share units for the 18 months ending December 31, 2025.

Restricted share units granted under the 2011 Stock Incentive Plan, each of which represents the right to receive, without further payment, one share of common stock. The performance Restricted share units granted under the 2011 Stock Incentive Plan, each of which represents the right to receive, without further payment, one share of common stock. The performance condition grant, made June 4, 2024, vested in part on December 9, 2025, upon certification by the Compensation Committee of a defined performance objective as to 100% of the target number of share units for the 18 months ending December 31, 2025. The shares have not been issued as of the date of this Form 4, but will be issued on or before the 60th day following December 9, 2025.

Restricted share units granted under the 2011 Stock Incentive Plan, each of which represents the right to receive, without further payment, one share of common stock. The performance condition grant, made June 20, 2023, vested in part on December 9, 2025, upon certification by the Compensation Committee of a defined performance objective as to 100% of the target number of share units for the 18 months ending December 31, 2025. The shares have not been issued as of the date of this Form 4, but will be issued on or before the 60th day following December 9, 2025.

Stock Options granted under the 2011 Stock Incentive Plan, the option vests as to 50% on December 9, 2026 and as to the remaining 50% on December 9, 2027. The options were granted by the Compensation Committee on December 9, 2025, and there were no impediments to the grant of options.

Shares withheld by the issuer, on election of the Reporting Person with the consent of the issuer, to pay employee withholding taxes. Such taxes were withheld and reported for the payroll in the period ended November 14, 2025, with the per share value determined as of June 22, 2025, the date of vesting, for a grant of 330 shares less the 119 shares withheld.

Shares withheld by the issuer, on election of the Reporting Person with the consent of the issuer, to pay employee withholding taxes. Such taxes were withheld and reported for the payroll in the period ended November 14, 2025, with the per share value determined as of June 22, 2025, the date of vesting, for a grant of 287 shares less the 79 shares withheld.

Shares withheld by the issuer, on election of the Reporting Person with the consent of the issuer, to pay employee withholding taxes. Such taxes were withheld and reported for the payroll in the period ended November 14, 2025, with the per share value determined as of June 22, 2025, the date of vesting, for a grant of 91 shares less the 33 shares withheld.

Shares withheld by the issuer, on election of the Reporting Person with the consent of the issuer, to pay employee withholding taxes. Such taxes were withheld and reported for the payroll in the period ended November 14, 2025, with the per share value determined as of June 22, 2025, the date of vesting, for a grant of 79 shares less the 22 shares withheld.

Shares withheld by the issuer, on election of the Reporting Person with the consent of the issuer, to pay employee withholding taxes. Such taxes were withheld and reported for the payroll in the period ended November 14, 2025, with the per share value of determined as of June 4, 2025, the date of vesting, for a grant of 395 shares less the 142 shares withheld.

Shares withheld by the issuer, on election of the Reporting Person with the consent of the issuer, to pay employee withholding taxes. Such taxes were withheld and reported for the payroll in the period ended November 14, 2025, with the per share value determined as of June 20, 2025, the date of vesting, for a grant of 121 shares less the 33 shares withheld.

Shares withheld by the issuer, on election of the Reporting Person with the consent of the issuer, to pay employee withholding taxes. Such taxes were withheld and reported for the payroll in the period ended November 14, 2025, with the per share value determined as of June 20, 2025, the date of vesting, for a grant of 141 shares less the 51 shares withheld.

Shares withheld by the issuer, on election of the Reporting Person with the consent of the issuer, to pay employee withholding taxes. Such taxes were withheld and reported for the payroll in the period ended November 14, 2025, with the per share value determined as of June 4, 20245, the date of vesting, for a grant of 345 shares less the 95 shares withheld.

Each share of Series D Convertible Preferred Stock has a stated value of $100 per share, and is convertible to common stock at an initial conversion price of $0.11 per share, for a total of 1,363,636 shares of common stock. The Series D Preferred Stock and Series I common stock purchase warrants were sold at a combined offering price of $0.11 per share of common stock obtainable upon conversion of the Series D Convertible Preferred Stock.

Each share of Series D Convertible Preferred Stock has a stated value of $100 per share, and is convertible to common stock at an initial conversion price of $0.11 per share, for a total of 1,363,636 shares of common stock. The Series D Preferred Stock and Series I common stock purchase warrants were sold at a combined offering price of $0.11 per share of common stock obtainable upon conversion of the Series D Convertible Preferred Stock.

The Series I warrants are exercisable on or after the date that approval is obtained from the Issuer's stockholders as may be required by the NYSE American (or any successor entity) (the "Stockholder Approval Date"), and will expire on the five-year anniversary of the Stockholder Approval Date, subject to the terms and conditions contained in such Series I warrant.

Each share of Series D Convertible Preferred Stock has a stated value of $100 per share, and is convertible to common stock at an initial conversion price of $0.11 per share, for a total of 181,818 shares of common stock. The Series D Preferred Stock and Series I common stock purchase warrants were sold at a combined offering price of $0.11 per share of common stock obtainable upon conversion of the Series D Convertible Preferred Stock.

Each share of Series D Convertible Preferred Stock has a stated value of $100 per share, and is convertible to common stock at an initial conversion price of $0.11 per share, for a total of 1,363,636 shares of common stock. The Series D Preferred Stock and Series I common stock purchase warrants were sold at a combined offering price of $0.11 per share of common stock obtainable upon conversion of the Series D Convertible Preferred Stock.

The Series I warrants are exercisable on or after the date that approval is obtained from the Issuer's stockholders as may be required by the NYSE American (or any successor entity) (the "Stockholder Approval Date"), and will expire on the five-year anniversary of the Stockholder Approval Date, subject to the terms and conditions contained in such Series I warrant.

Each share of Series D Convertible Preferred Stock has a stated value of $100 per share, and is convertible to common stock at an initial conversion price of $0.11 per share, for a total of 181,818 shares of common stock. The Series D Preferred Stock and Series I common stock purchase warrants were sold at a combined offering price of $0.11 per share of common stock obtainable upon conversion of the Series D Convertible Preferred Stock.

The Series I warrants are exercisable on or after the date that approval is obtained from the Issuer's stockholders as may be required by the NYSE American (or any successor entity) (the "Stockholder Approval Date"), and will expire on the five-year anniversary of the Stockholder Approval Date, subject to the terms and conditions contained in such Series I warrant.

Each share of Series D Convertible Preferred Stock has a stated value of $100 per share, and is convertible to common stock at an initial conversion price of $0.11 per share, for a total of 1,363,636 shares of common stock. The Series D Preferred Stock and Series I common stock purchase warrants were sold at a combined offering price of $0.11 per share of common stock obtainable upon conversion of the Series D Convertible Preferred Stock.

Weighted average of price paid per share on order. The reporting person hereby undertakes upon request to provide to the SEC staff, the issuer or a security holder of the issuer full information regarding the number of shares and prices at which the transaction was effected.