NKTR · Nektar Therapeutics · Insider Trading

This stock option vests in substantially equal monthly installments over the one-year period beginning on September 23, 2026.

Common stock was acquired pursuant to a grant of restricted stock units ("RSUs"). Each RSU awarded represents a contingent right to receive, upon vesting of the unit, one share of the Issuer's common stock.

This RSU award vests in full, one year following September 23, 2026.

On June 8, 2025, the Issuer effected a one-for-fifteen reverse stock split of its common stock (the "Reverse Stock Split"). All amounts of securities listed herein have been adjusted to reflect the effect of the Reverse Stock Split.

This stock option vests in substantially equal monthly installments over the one-year period beginning on September 23, 2026.

Common stock was acquired pursuant to a grant of restricted stock units ("RSUs"). Each RSU awarded represents a contingent right to receive, upon vesting of the unit, one share of the Issuer's common stock.

This RSU award vests in full, one year following September 23, 2026.

On June 8, 2025, the Issuer effected a one-for-fifteen reverse stock split of its common stock (the "Reverse Stock Split"). All amounts of securities listed herein have been adjusted to reflect the effect of the Reverse Stock Split.

Common stock was acquired pursuant to a grant of restricted stock units ("RSUs"). Each RSU awarded represents a contingent right to receive, upon vesting of the unit, one share of the Issuer's common stock.

This RSU award vests in full, one year following September 23, 2026.

On June 8, 2025, the Issuer effected a one-for-fifteen reverse stock split of its common stock (the "Reverse Stock Split"). All amounts of securities listed herein have been adjusted to reflect the effect of the Reverse Stock Split.

This stock option vests in substantially equal monthly installments over the one-year period beginning on September 23, 2026.

Common stock was acquired pursuant to a grant of restricted stock units ("RSUs"). Each RSU awarded represents a contingent right to receive, upon vesting of the unit, one share of the Issuer's common stock.

This RSU award vests in full, one year following September 23, 2026.

On June 8, 2025, the Issuer effected a one-for-fifteen reverse stock split of its common stock (the "Reverse Stock Split"). All amounts of securities listed herein have been adjusted to reflect the effect of the Reverse Stock Split.

This stock option vests in substantially equal monthly installments over the one-year period beginning on September 23, 2026.

Common stock was acquired pursuant to a grant of restricted stock units ("RSUs"). Each RSU awarded represents a contingent right to receive, upon vesting of the unit, one share of the Issuer's common stock.

This RSU award vests in full, one year following September 23, 2026.

On June 8, 2025, the Issuer effected a one-for-fifteen reverse stock split of its common stock (the "Reverse Stock Split"). All amounts of securities listed herein have been adjusted to reflect the effect of the Reverse Stock Split.

This stock option vests in substantially equal monthly installments over the one-year period beginning on September 23, 2026.

Represents the number of shares sold by the reporting person to cover required tax withholding obligations in connection with the vesting of the RSUs held by the reporting person and does not represent a discretionary trade by the reporting person.

This transaction was executed in multiple trades at prices ranging from $71.78 to $72.49. The price reported above reflects the weighted average sale price. The reporting person hereby undertakes to provide full information regarding the number of shares and the prices at which the transactions were effected upon the request to the SEC staff, the Issuer, or a security holder of the Issuer.

Represents the number of shares sold by the reporting person to cover required tax withholding obligations in connection with the vesting of the RSUs held by the reporting person and does not represent a discretionary trade by the reporting person.

This transaction was executed in multiple trades at prices ranging from $71.78 to $72.49. The price reported above reflects the weighted average sale price. The reporting person hereby undertakes to provide full information regarding the number of shares and the prices at which the transactions were effected upon the request to the SEC staff, the Issuer, or a security holder of the Issuer.

These stock options were granted on December 13, 2024 under the 2017 Amended and Restated Performance Incentive Plan and at the time of their grant were subject to both performance-based and time-based vesting requirements. The time-based vesting is on a monthly pro-rata basis over a period of five years from the date of grant.

The Organization and Compensation Committee of the Board of Directors of the Issuer determined on July 23, 2026 that the performance-based vesting requirement for these stock options was satisfied and these stock options vested on July 24, 2026 (subject to remaining time-based vesting requirements).

These stock options were granted on December 13, 2024 under the 2017 Amended and Restated Performance Incentive Plan and at the time of their grant were subject to both performance-based and time-based vesting requirements. The time-based vesting is on a monthly pro-rata basis over a period of five years from the date of grant.

The Organization and Compensation Committee of the Board of Directors of the Issuer determined on July 23, 2026 that the performance-based vesting requirement for these stock options was satisfied and these stock options vested on July 24, 2026 (subject to remaining time-based vesting requirements).

This transaction was made pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on March 13, 2026.

This transaction was made pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on March 13, 2026.

This transaction was executed in multiple trades at prices ranging from $61.22 to $62.44. The price reported above reflects the weighted average sale price. The reporting person hereby undertakes to provide full information regarding the number of shares and the prices at which the transactions were effected upon the request to the SEC staff, the Issuer, or a security holder of the Issuer.

This transaction was made pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on March 13, 2026.

This transaction was executed in multiple trades at prices ranging from $60.22 to $61.21. The price reported above reflects the weighted average sale price. The reporting person hereby undertakes to provide full information regarding the number of shares and the prices at which the transactions were effected upon the request to the SEC staff, the Issuer, or a security holder of the Issuer.

This transaction was made pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on March 13, 2026.

This transaction was executed in multiple trades at prices ranging from $59.35 to $60.33 The price reported above reflects the weighted average sale price. The reporting person hereby undertakes to provide full information regarding the number of shares and the prices at which the transactions were effected upon the request to the SEC staff, the Issuer, or a security holder of the Issuer.

This transaction was made pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on March 13, 2026.

This transaction was executed in multiple trades at prices ranging from $60.37 to $61.15. The price reported above reflects the weighted average sale price. The reporting person hereby undertakes to provide full information regarding the number of shares and the prices at which the transactions were effected upon the request to the SEC staff, the Issuer, or a security holder of the Issuer.

This transaction was made pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on March 13, 2026.

This transaction was executed in multiple trades at prices ranging from $60.06 to $61.36. The price reported above reflects the weighted average sale price. The reporting person hereby undertakes to provide full information regarding the number of shares and the prices at which the transactions were effected upon the request to the SEC staff, the Issuer, or a security holder of the Issuer.

Represents the number of shares sold by the reporting person to cover required tax withholding obligations in connection with the vesting of the RSUs held by the reporting person and does not represent a discretionary trade by the reporting person.

This transaction was executed in multiple trades at prices ranging from $64.88 to $68.43. The price reported above reflects the weighted average sale price. The reporting person hereby undertakes to provide full information regarding the number of shares and the prices at which the transactions were effected upon the request to the SEC staff, the Issuer, or a security holder of the Issuer.

Represents the number of shares sold by the reporting person to cover required tax withholding obligations in connection with the vesting of the RSUs held by the reporting person and does not represent a discretionary trade by the reporting person.

This transaction was executed in multiple trades at prices ranging from $64.88 to $68.43. The price reported above reflects the weighted average sale price. The reporting person hereby undertakes to provide full information regarding the number of shares and the prices at which the transactions were effected upon the request to the SEC staff, the Issuer, or a security holder of the Issuer.

Represents the number of shares sold by the reporting person to cover required tax withholding obligations in connection with the vesting of the RSUs held by the reporting person and does not represent a discretionary trade by the reporting person.

This transaction was executed in multiple trades at prices ranging from $72.51 to $74.00. The price reported above reflects the weighted average sale price. The reporting person hereby undertakes to provide full information regarding the number of shares and the prices at which the transactions were effected upon the request to the SEC staff, the Issuer, or a security holder of the Issuer.

Represents the number of shares sold by the reporting person to cover required tax withholding obligations in connection with the vesting of the RSUs held by the reporting person and does not represent a discretionary trade by the reporting person.

This transaction was executed in multiple trades at prices ranging from $72.51 to $74.00. The price reported above reflects the weighted average sale price. The reporting person hereby undertakes to provide full information regarding the number of shares and the prices at which the transactions were effected upon the request to the SEC staff, the Issuer, or a security holder of the Issuer.

This transaction was made pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on May 16, 2025.

This transaction was executed in multiple trades at prices ranging from $35.17 to $36.23 The price reported above reflects the weighted average sale price. The reporting person hereby undertakes to provide full information regarding the number of shares and the prices at which the transactions were effected upon the request to the SEC staff, the Issuer, or a security holder of the Issuer.

Stock options vest over four years from the date of grant, (December 22, 2025) in substantially equal monthly installments based on continued service.

Stock options vest over four years from the date of grant, (December 22, 2025) in substantially equal monthly installments based on continued service.

Common stock was acquired pursuant to a grant of restricted stock units ("RSU"). Each RSU awarded represents a contingent right to receive, upon vesting of the unit, one share of Common Stock of the Issuer. These RSUs vest over four years from the date of grant (December 22, 2025) in substantially equal quarterly installments based on continued service.

Common stock was acquired pursuant to a grant of restricted stock units ("RSU"). Each RSU awarded represents a contingent right to receive, upon vesting of the unit, one share of Common Stock of the Issuer. These RSUs vest over four years from the date of grant (December 22, 2025) in substaintially equal quarterly installments based on continued service.

Represents the number of shares sold by the reporting person to cover required tax withholding obligations in connection with the vesting of the RSUs held by the reporting person and does not represent a discretionary trade by the reporting person.

This transaction was executed in multiple trades at prices ranging from $58.26 to $59.56. The price reported above reflects the weighted average sale price. The reporting person hereby undertakes to provide full information regarding the number of shares and the prices at which the transactions were effected upon the request to the SEC staff, the Issuer, or a security holder of the Issuer.

Represents the number of shares sold by the reporting person to cover required tax withholding obligations in connection with the vesting of the RSUs held by the reporting person and does not represent a discretionary trade by the reporting person.

This transaction was executed in multiple trades at prices ranging from $58.26 to $59.56. The price reported above reflects the weighted average sale price. The reporting person hereby undertakes to provide full information regarding the number of shares and the prices at which the transactions were effected upon the request to the SEC staff, the Issuer, or a security holder of the Issuer.

Represents the number of shares sold by the reporting person to cover required tax withholding obligations in connection with the vesting of the RSUs held by the reporting person and does not represent a discretionary trade by the reporting person.

This transaction was executed in multiple trades at prices ranging from $58.26 to $59.56. The price reported above reflects the weighted average sale price. The reporting person hereby undertakes to provide full information regarding the number of shares and the prices at which the transactions were effected upon the request to the SEC staff, the Issuer, or a security holder of the Issuer.

This number includes 508 shares held by the reporting person in the Issuer's ESPP plan. The acquisition of these shares under the plan is exempt under Rule 16b-3(c).

Common stock was acquired pursuant to a grant of restricted stock units ("RSU"). Each RSU awarded represents a contingent right to receive, upon vesting of the unit, one share of Common Stock of the Issuer. These RSUs were granted on December 18, 2020 under the Issuer's Amended and Restated 2017 Performance Incentive Plan (the "2017 Plan") and at the time of their grant were subject to both performance-based and time-based vesting requirements. The time-based vesting is on a quarterly pro-rata basis over a period of three years from the date of grant.

The Organization and Compensation Committee of the Board of Directors of the Issuer ("Compensation Committee") determined on November 20, 2025 that the performance-based vesting requirement for these RSUs was satisfied and these RSUs vested on November 21, 2025.

These stock options were granted on December 18, 2020 under the 2017 Plan and at the time of their grant were subject to both performance-based and time-based vesting requirements. The time-based vesting is on a monthly pro-rata basis over a period of four years from the date of grant.

The Compensation Committee determined on November 20, 2025 that the performance-based vesting requirement for these stock options was satisfied and these stock options vested on November 21, 2025.

These stock options were granted on December 18, 2020 under the 2017 Plan and at the time of their grant were subject to both performance-based and time-based vesting requirements. The time-based vesting is on a monthly pro-rata basis over a period of four years from the date of grant.

The Compensation Committee determined on November 20, 2025 that the performance-based vesting requirement for these stock options was satisfied and these stock options vested on November 21, 2025.

Common stock was acquired pursuant to a grant of restricted stock units ("RSU"). Each RSU awarded represents a contingent right to receive, upon vesting of the unit, one share of Common Stock of the Issuer. These RSUs were granted on December 18, 2020 under the Issuer's Amended and Restated 2017 Performance Incentive Plan (the "2017 Plan") and at the time of their grant were subject to both performance-based and time-based vesting requirements. The time-based vesting is on a quarterly pro-rata basis over a period of three years from the date of grant.

The Organization and Compensation Committee of the Board of Directors of the Issuer ("Compensation Committee") determined on November 20, 2025 that the performance-based vesting requirement for these RSUs was satisfied and these RSUs vested on November 21, 2025.

These stock options were granted on December 18, 2020 under the 2017 Plan and at the time of their grant were subject to both performance-based and time-based vesting requirements. The time-based vesting is on a monthly pro-rata basis over a period of four years from the date of grant.

The Compensation Committee determined on November 20, 2025 that the performance-based vesting requirement for these stock options was satisfied and these stock options vested on November 21, 2025.

Common stock was acquired pursuant to a grant of restricted stock units ("RSU"). Each RSU awarded represents a contingent right to receive, upon vesting of the unit, one share of Common Stock of the Issuer. These RSUs were granted on December 18, 2020 under the Issuer's Amended and Restated 2017 Performance Incentive Plan (the "2017 Plan") and at the time of their grant were subject to both performance-based and time-based vesting requirements. The time-based vesting is on a quarterly pro-rata basis over a period of three years from the date of grant.

The Organization and Compensation Committee of the Board of Directors of the Issuer ("Compensation Committee") determined on November 20, 2025 that the performance-based vesting requirement for these RSUs was satisfied and these RSUs vested on November 21, 2025.

This number includes 508 shares held by the reporting person in the Issuer's ESPP plan. The acquisition of these shares under the plan is exempt under Rule 16b-3(c).

This stock option vests in substantially equal monthly installments over the one-year period beginning on September 30, 2025.

This stock option vests in substantially equal monthly installments over the one-year period beginning on September 30, 2025.

This stock option vests in substantially equal monthly installments over the one-year period beginning on September 30, 2025.

This stock option vests in substantially equal monthly installments over the one-year period beginning on September 30, 2025.

This stock option vests in substantially equal monthly installments over the one-year period beginning on September 30, 2025.

This transaction was made pursuant to a Rule 10b5-1 trading plan adopted by the reporting person.

This transaction was executed in multiple trades at prices ranging from $45.00 to $45.41 The price reported above reflects the weighted average sale price. The reporting person hereby undertakes to provide full information regarding the number of shares and the prices at which the transactions were effected upon the request to the SEC staff, the Issuer, or a security holder of the Issuer.

This transaction was made pursuant to a Rule 10b5-1 trading plan adopted by the reporting person.

This transaction was executed in multiple trades at prices ranging from $47.02 to $47.85. The price reported above reflects the weighted average sale price. The reporting person hereby undertakes to provide full information regarding the number of shares and the prices at which the transactions were effected upon the request to the SEC staff, the Issuer, or a security holder of the Issuer.

This transaction was made pursuant to a Rule 10b5-1 trading plan adopted by the reporting person.

This transaction was executed in multiple trades at prices ranging from $48.00 to $48.57. The price reported above reflects the weighted average sale price. The reporting person hereby undertakes to provide full information regarding the number of shares and the prices at which the transactions were effected upon the request to the SEC staff, the Issuer, or a security holder of the Issuer.

This transaction was made pursuant to a Rule 10b5-1 trading plan adopted by the reporting person.

This transaction was executed in multiple trades at prices ranging from $46.05 to $46.87. The price reported above reflects the weighted average sale price. The reporting person hereby undertakes to provide full information regarding the number of shares and the prices at which the transactions were effected upon the request to the SEC staff, the Issuer, or a security holder of the Issuer.

This transaction was made pursuant to a Rule 10b5-1 trading plan adopted by the reporting person.

This transaction was executed in multiple trades at prices ranging from $37.50 to $38.26. The price reported above reflects the weighted average sale price. The reporting person hereby undertakes to provide full information regarding the number of shares and the prices at which the transactions were effected upon the request to the SEC staff, the Issuer, or a security holder of the Issuer.

This transaction was made pursuant to a Rule 10b5-1 trading plan adopted by the reporting person.

This transaction was executed in multiple trades at prices ranging from $39.50 to $40.32. The price reported above reflects the weighted average sale price. The reporting person hereby undertakes to provide full information regarding the number of shares and the prices at which the transactions were effected upon the request to the SEC staff, the Issuer, or a security holder of the Issuer.

This transaction was made pursuant to a Rule 10b5-1 trading plan adopted by the reporting person.

This transaction was executed in multiple trades at prices ranging from $38.50 to $39.37. The price reported above reflects the weighted average sale price. The reporting person hereby undertakes to provide full information regarding the number of shares and the prices at which the transactions were effected upon the request to the SEC staff, the Issuer, or a security holder of the Issuer.