MNKD · Mannkind Corp

The weighted average sales price of the reported transaction was $4.05 based on a range of prices between $3.98 and $4.13. Upon request by the SEC staff, the Issuer, or any security holder of the Issuer, full information regarding the number of shares sold at each separate price will be provided.

Transaction occurred pursuant to Rule 10B5-1 Plan established December 2, 2025.

The weighted average sales price of the reported transaction was $4.06 based on a range of prices between $3.98 and $4.13. Upon request by the SEC staff, the Issuer, or any security holder of the Issuer, full information regarding the number of shares sold at each separate price will be provided.

Transaction occurred pursuant to Rule 10B5-1 Plan established December 2, 2025.

Each restricted stock unit represents a contingent right to receive one share of MNKD common stock.

A previously reported restricted stock unit award granted on May 25, 2023 vested on July 15, 2026 upon the achievement of performance objectives established by MannKind's compensation committee at the time of the approval of the award. Specifically, (i) the closing price of MannKind's common stock on June 30, 2026 was not less than the closing price on May 25, 2023 and (ii) MannKind's total shareholder return (TSR) over the period from May 23, 2023 to June 30, 2026 was at the 41.5th percentile of the TSR of the Russell 3000 Pharmaceutical & Biotechnology Index over the same period. As a result, the performance objective was achieved at 83% of target, resulting in a total share delivery of 93,790 shares. The acquisition of 113,000 shares pursuant to the restricted stock award was reported in Table II of the Form 4 filed by the Reporting Person on May 26, 2023. The remaining 19,210 shares were forfeited in accordance with the performance vesting criteria.

Payment of exercise price or tax liability by delivering or withholding securities incident to the receipt, exercise or vesting of a security issued in accordance with Rule 16b-3 incident to the vesting of previously reported restricted stock units.

Includes 1,991 shares acquired under the Issuer's Employee Stock Purchase Plan on June 30, 2026.

Payment of exercise price or tax liability by delivering or withholding securities incident to the receipt, exercise or vesting of a security issued in accordance with Rule 16b-3 incident to the vesting of previously reported restricted stock units.

A previously reported restricted stock unit award granted on May 25, 2023 vested on July 15, 2026 upon the achievement of performance objectives established by MannKind's compensation committee at the time of the approval of the award. Specifically, (i) the closing price of MannKind's common stock on June 30, 2026 was not less than the closing price on May 25, 2023 and (ii) MannKind's total shareholder return (TSR) over the period from May 23, 2023 to June 30, 2026 was at the 41.5th percentile of the TSR of the Russell 3000 Pharmaceutical & Biotechnology Index over the same period. As a result, the performance objective was achieved at 83% of target, resulting in a total share delivery of 93,790 shares. The acquisition of 113,000 shares pursuant to the restricted stock award was reported in Table II of the Form 4 filed by the Reporting Person on May 26, 2023. The remaining 19,210 shares were forfeited in accordance with the performance vesting criteria.

A previously reported restricted stock unit award granted on May 25, 2023 vested on July 15, 2026 upon the achievement of performance objectives established by MannKind's compensation committee at the time of the approval of the award. Specifically, (i) the closing price of MannKind's common stock on June 30, 2026 was not less than the closing price on May 25, 2023 and (ii) MannKind's total shareholder return (TSR) over the period from May 23, 2023 to June 30, 2026 was at the 41.5th percentile of the TSR of the Russell 3000 Pharmaceutical & Biotechnology Index over the same period. As a result, the performance objective was achieved at 83% of target, resulting in a total share delivery of 93,790 shares. The acquisition of 113,000 shares pursuant to the restricted stock award was reported in Table II of the Form 4 filed by the Reporting Person on May 26, 2023. The remaining 19,210 shares were forfeited in accordance with the performance vesting criteria.

Payment of exercise price or tax liability by delivering or withholding securities incident to the receipt, exercise or vesting of a security issued in accordance with Rule 16b-3 incident to the vesting of previously reported restricted stock units.

Includes 2,775 shares acquired under the Issuer's Employee Stock Purchase Plan on June 30, 2026.

A previously reported restricted stock unit award granted on May 25, 2023 vested on July 15, 2026 upon the achievement of performance objectives established by MannKind's compensation committee at the time of the approval of the award. Specifically, (i) the closing price of MannKind's common stock on June 30, 2026 was not less than the closing price on May 25, 2023 and (ii) MannKind's total shareholder return (TSR) over the period from May 23, 2023 to June 30, 2026 was at the 41.5th percentile of the TSR of the Russell 3000 Pharmaceutical & Biotechnology Index over the same period. As a result, the performance objective was achieved at 83% of target, resulting in a total share delivery of 350,260 shares. The acquisition of 422,000 shares pursuant to the restricted stock award was reported in Table II of the Form 4 filed by the Reporting Person on May 26, 2023. The remaining 71,740 shares were forfeited in accordance with the performance vesting criteria.

Includes 4,409 shares acquired under the Issuer's Employee Stock Purchase Plan on June 30, 2026.

Payment of exercise price or tax liability by delivering or withholding securities incident to the receipt, exercise or vesting of a security issued in accordance with Rule 16b-3 incident to the vesting of previously reported restricted stock units.

Payment of exercise price or tax liability by delivering or withholding securities incident to the receipt, exercise or vesting of a security issued in accordance with Rule 16b-3 incident to the vesting of previously reported restricted stock units.

Payment of exercise price or tax liability by delivering or withholding securities incident to the receipt, exercise or vesting of a security issued in accordance with Rule 16b-3 incident to the vesting of previously reported restricted stock units.

Payment of exercise price or tax liability by delivering or withholding securities incident to the receipt, exercise or vesting of a security issued in accordance with Rule 16b-3 incident to the vesting of previously reported restricted stock units.

Payment of exercise price or tax liability by delivering or withholding securities incident to the receipt, exercise or vesting of a security issued in accordance with Rule 16b-3 incident to the vesting of previously reported restricted stock units.

Each restricted stock unit represents a contingent right to receive one share of MNKD common stock.

A previously reported restricted stock unit award granted on May 25, 2023 vested on July 15, 2026 upon the achievement of performance objectives established by MannKind's compensation committee at the time of the approval of the award. Specifically, (i) the closing price of MannKind's common stock on June 30, 2026 was not less than the closing price on May 25, 2023 and (ii) MannKind's total shareholder return (TSR) over the period from May 23, 2023 to June 30, 2026 was at the 41.5th percentile of the TSR of the Russell 3000 Pharmaceutical & Biotechnology Index over the same period. As a result, the performance objective was achieved at 83% of target, resulting in a total share delivery of 93,790 shares. The acquisition of 113,000 shares pursuant to the restricted stock award was reported in Table II of the Form 4 filed by the Reporting Person on May 26, 2023. The remaining 19,210 shares were forfeited in accordance with the performance vesting criteria.

Payment of exercise price or tax liability by delivering or withholding securities incident to the receipt, exercise or vesting of a security issued in accordance with Rule 16b-3 incident to the vesting of previously reported restricted stock units.

Payment of exercise price or tax liability by delivering or withholding securities incident to the receipt, exercise or vesting of a security issued in accordance with Rule 16b-3 incident to the vesting of previously reported restricted stock units.

Each restricted stock unit represents a contingent right to receive one share of MNKD common stock.

A previously reported restricted stock unit award granted on May 25, 2023 vested on July 15, 2026 upon the achievement of performance objectives established by MannKind's compensation committee at the time of the approval of the award. Specifically, (i) the closing price of MannKind's common stock on June 30, 2026 was not less than the closing price on May 25, 2023 and (ii) MannKind's total shareholder return (TSR) over the period from May 23, 2023 to June 30, 2026 was at the 41.5th percentile of the TSR of the Russell 3000 Pharmaceutical & Biotechnology Index over the same period. As a result, the performance objective was achieved at 83% of target, resulting in a total share delivery of 93,790 shares. The acquisition of 113,000 shares pursuant to the restricted stock award was reported in Table II of the Form 4 filed by the Reporting Person on May 26, 2023. The remaining 19,210 shares were forfeited in accordance with the performance vesting criteria.

A previously reported restricted stock unit award granted on May 25, 2023 vested on July 15, 2026 upon the achievement of performance objectives established by MannKind's compensation committee at the time of the approval of the award. Specifically, (i) the closing price of MannKind's common stock on June 30, 2026 was not less than the closing price on May 25, 2023 and (ii) MannKind's total shareholder return (TSR) over the period from May 23, 2023 to June 30, 2026 was at the 41.5th percentile of the TSR of the Russell 3000 Pharmaceutical & Biotechnology Index over the same period. As a result, the performance objective was achieved at 83% of target, resulting in a total share delivery of 70,550 shares. The acquisition of 85,000 shares pursuant to the restricted stock award was reported in Table II of the Form 4 filed by the Reporting Person on May 26, 2023. The remaining 14,450 shares were forfeited in accordance with the performance vesting criteria.

Payment of exercise price or tax liability by delivering or withholding securities incident to the receipt, exercise or vesting of a security issued in accordance with Rule 16b-3 incident to the vesting of previously reported restricted stock units.

Payment of exercise price or tax liability by delivering or withholding securities incident to the receipt, exercise or vesting of a security issued in accordance with Rule 16b-3 incident to the vesting of previously reported restricted stock units.

Payment of exercise price or tax liability by delivering or withholding securities incident to the receipt, exercise or vesting of a security issued in accordance with Rule 16b-3 incident to the vesting of previously reported restricted stock units.

Payment of exercise price or tax liability by delivering or withholding securities incident to the receipt, exercise or vesting of a security issued in accordance with Rule 16b-3 incident to the vesting of previously reported restricted stock units.

A previously reported restricted stock unit award granted on May 25, 2023 vested on July 15, 2026 upon the achievement of performance objectives established by MannKind's compensation committee at the time of the approval of the award. Specifically, (i) the closing price of MannKind's common stock on June 30, 2026 was not less than the closing price on May 25, 2023 and (ii) MannKind's total shareholder return (TSR) over the period from May 23, 2023 to June 30, 2026 was at the 41.5th percentile of the TSR of the Russell 3000 Pharmaceutical & Biotechnology Index over the same period. As a result, the performance objective was achieved at 83% of target, resulting in a total share delivery of 93,790 shares. The acquisition of 113,000 shares pursuant to the restricted stock award was reported in Table II of the Form 4 filed by the Reporting Person on May 26, 2023. The remaining 19,210 shares were forfeited in accordance with the performance vesting criteria.

Includes 4,038 shares acquired under the Issuer's Employee Stock Purchase Plan on June 30, 2026.

Payment of exercise price or tax liability by delivering or withholding securities incident to the receipt, exercise or vesting of a security issued in accordance with Rule 16b-3 incident to the vesting of previously reported restricted stock units.

Payment of exercise price or tax liability by delivering or withholding securities incident to the receipt, exercise or vesting of a security issued in accordance with Rule 16b-3 incident to the vesting of previously reported restricted stock units.

Payment of exercise price or tax liability by delivering or withholding securities incident to the receipt, exercise or vesting of a security issued in accordance with Rule 16b-3 incident to the vesting of previously reported restricted stock units.

Each restricted stock unit represents a contingent right to receive one share of MNKD common stock.

A previously reported restricted stock unit award granted on May 25, 2023 vested on July 15, 2026 upon the achievement of performance objectives established by MannKind's compensation committee at the time of the approval of the award. Specifically, (i) the closing price of MannKind's common stock on June 30, 2026 was not less than the closing price on May 25, 2023 and (ii) MannKind's total shareholder return (TSR) over the period from May 23, 2023 to June 30, 2026 was at the 41.5th percentile of the TSR of the Russell 3000 Pharmaceutical & Biotechnology Index over the same period. As a result, the performance objective was achieved at 83% of target, resulting in a total share delivery of 350,260 shares. The acquisition of 422,000 shares pursuant to the restricted stock award was reported in Table II of the Form 4 filed by the Reporting Person on May 26, 2023. The remaining 71,740 shares were forfeited in accordance with the performance vesting criteria.

Payment of exercise price or tax liability by delivering or withholding securities incident to the receipt, exercise or vesting of a security issued in accordance with Rule 16b-3 incident to the vesting of previously reported restricted stock units.

Payment of exercise price or tax liability by delivering or withholding securities incident to the receipt, exercise or vesting of a security issued in accordance with Rule 16b-3 incident to the vesting of previously reported restricted stock units.

Payment of exercise price or tax liability by delivering or withholding securities incident to the receipt, exercise or vesting of a security issued in accordance with Rule 16b-3 incident to the vesting of previously reported restricted stock units.

Each restricted stock unit represents a contingent right to receive one share of MNKD common stock.

A previously reported restricted stock unit award granted on May 25, 2023 vested on July 15, 2026 upon the achievement of performance objectives established by MannKind's compensation committee at the time of the approval of the award. Specifically, (i) the closing price of MannKind's common stock on June 30, 2026 was not less than the closing price on May 25, 2023 and (ii) MannKind's total shareholder return (TSR) over the period from May 23, 2023 to June 30, 2026 was at the 41.5th percentile of the TSR of the Russell 3000 Pharmaceutical & Biotechnology Index over the same period. As a result, the performance objective was achieved at 83% of target, resulting in a total share delivery of 70,550 shares. The acquisition of 85,000 shares pursuant to the restricted stock award was reported in Table II of the Form 4 filed by the Reporting Person on May 26, 2023. The remaining 14,450 shares were forfeited in accordance with the performance vesting criteria.

Payment of exercise price or tax liability by delivering or withholding securities incident to the receipt, exercise or vesting of a security issued in accordance with Rule 16b-3 incident to the vesting of previously reported restricted stock units.

Payment of exercise price or tax liability by delivering or withholding securities incident to the receipt, exercise or vesting of a security issued in accordance with Rule 16b-3 incident to the vesting of previously reported restricted stock units.

Each restricted stock unit represents a contingent right to receive one share of MNKD common stock.

Restricted stock unit vested on May 20, 2026, but the shares will not be delivered until there is a separation of service from the board of directors of MannKind Corporation.

The securities were purchased through the Issuer's Market Price Stock Purchase Plan effective May 29, 2018. The purchase was approved by the Company's Board of Directors on May 20, 2026.

Includes 2,343 shares acquired under the Issuer's Employee Stock Purchase Plan on December 31, 2025.

Each restricted stock unit represents a contingent right to receive one share of MNKD common stock.

Restricted stock unit vested on May 20, 2026, but the shares will not be delivered until there is a separation of service from the board of directors of MannKind Corporation.

Each restricted stock unit represents a contingent right to receive one share of MNKD common stock.

Restricted stock unit vested on May 20, 2026, but the shares will not be delivered until there is a separation of service from the board of directors of MannKind Corporation.

Each restricted stock unit represents a contingent right to receive one share of MNKD common stock.

Restricted stock unit vested on May 20, 2026, but the shares will not be delivered until there is a separation of service from the board of directors of MannKind Corporation.

Each restricted stock unit represents a contingent right to receive one share of MNKD common stock.

Restricted stock unit vested on May 20, 2026, but the shares will not be delivered until there is a separation of service from the board of directors of MannKind Corporation.

Each restricted stock unit represents a contingent right to receive one share of MNKD common stock.

Restricted stock unit vested on May 20, 2026, but the shares will not be delivered until there is a separation of service from the board of directors of MannKind Corporation.

The securities were purchased through the Issuer's Market Price Stock Purchase Plan effective May 29, 2018. The purchase was approved by the Company's Board of Directors on May 20, 2026.

423,655 shares representing deferred restricted stock units were inadvertently included in Table I holdings on prior filings.

Each restricted stock unit represents a contingent right to receive one share of MNKD common stock.

Award granted in lieu of annual cash retainer payment for non-employee directors. Restricted stock unit shall vest immediately, but the shares shall not be delivered until there is a separation of service from the board of directors of MannKind Corporation.

The securities were purchased through the Issuer's Market Price Stock Purchase Plan effective May 29, 2018. The purchase was approved by the Company's Board of Directors on May 20, 2026.

Each restricted stock unit represents a contingent right to receive one share of MNKD common stock.

Restricted stock unit vested on May 20, 2026, but the shares will not be delivered until there is a separation of service from the board of directors of MannKind Corporation.

Each restricted stock unit represents a contingent right to receive one share of MNKD common stock.

Award granted in lieu of annual cash retainer payment for non-employee directors. Restricted stock unit shall vest immediately, but the shares shall not be delivered until there is a separation of service from the board of directors of MannKind Corporation.

Each restricted stock unit represents a contingent right to receive one share of MNKD common stock.

Award granted in lieu of annual cash retainer payment for non-employee directors. Restricted stock unit shall vest immediately, but the shares shall not be delivered until there is a separation of service from the board of directors of MannKind Corporation.

Each restricted stock unit represents a contingent right to receive one share of MNKD common stock.

Restricted stock unit vested on May 20, 2026, but the shares will not be delivered until there is a separation of service from the board of directors of MannKind Corporation.

Transaction occurred pursuant to Rule 10B5-1 Plan established December 2, 2025.

The weighted average sales price of the reported transaction was $3.29 based on a range of prices between $3.25 and $3.34. Upon request by the SEC staff, the Issuer, or any security holder of the Issuer, full information regarding the number of shares sold at each separate price will be provided.

Transaction occurred pursuant to Rule 10b5-1 Plan established August 27, 2025.

The weighted average sales price of the reported transaction was $3.29 based on a range of prices between $3.25 and $3.34. Upon request by the SEC staff, the Issuer, or any security holder of the Issuer, full information regarding the number of shares sold at each separate price will be provided.