NKTR CEO reports 7,110 RSUs vested and 2,207 shares sold

Rhea-AI Filing Summary

Nektar Therapeutics (NKTR) reported insider activity by President & CEO and director Mark A. Wilson. On 11/21/2025, he acquired 7,110 shares of common stock at $0 following the vesting of previously granted restricted stock units. On 11/25/2025, he sold 2,207 shares at a weighted average price of $54.28 to cover tax withholding obligations related to this vesting, which the filing notes was not a discretionary trade. After these transactions, he directly held 54,245 shares of common stock and indirectly held 28 shares through his spouse. In addition, 12,170 stock options with an exercise price of $281.25, expiring on 12/17/2028, vested on 11/21/2025.

Insider Trade Summary

Net Seller: 2,207 shares ($119,796)

Net Sell 4 txns

Insider ROBIN HOWARD W

Role President & CEO

Sold 2,207 shs ($120K)

Type	Security	Shares	Price	Value
Sale	Common Stock	2,207	$54.28	$120K
Grant/Award	Stock Option	12,170	$0.00	--
Grant/Award	Common Stock	7,110	$0.00	--
holding	Common Stock	--	--	--

Holdings After Transaction: Common Stock — 54,245 shares (Direct); Stock Option — 12,170 shares (Direct); Common Stock — 28 shares (Indirect, by spouse)

Footnotes (1)

1. 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. 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. 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.

Form 4 Insider Transactions: What Each Field Means →

SEC Form 4

FORM 4

UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934
or Section 30(h) of the Investment Company Act of 1940

OMB APPROVAL

OMB Number:			3235-0287
Estimated average burden
hours per response:			0.5

Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).

Check this box to indicate that a transaction was made pursuant to a contract, instruction or written plan for the purchase or sale of equity securities of the issuer that is intended to satisfy the affirmative defense conditions of Rule 10b5-1(c). See Instruction 10.

1. Name and Address of Reporting Person^*

ROBIN HOWARD W

(Last) (First) (Middle)

C/O NEKTAR THERAPEUTICS

455 MISSION BAY BLVD SOUTH

(Street)

SAN FRANCISCO CA 94158

(City) (State) (Zip)

2. Issuer Name and Ticker or Trading Symbol
NEKTAR THERAPEUTICS [ NKTR ]

5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)

X	Director		10% Owner
X	Officer (give title below)		Other (specify below)
	President & CEO

3. Date of Earliest Transaction (Month/Day/Year)
11/21/2025

4. If Amendment, Date of Original Filed (Month/Day/Year)

6. Individual or Joint/Group Filing (Check Applicable Line)

X	Form filed by One Reporting Person
	Form filed by More than One Reporting Person

Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
1. Title of Security (Instr. 3)	2. Transaction Date (Month/Day/Year)	2A. Deemed Execution Date, if any (Month/Day/Year)	3. Transaction Code (Instr. 8)		4. Securities Acquired (A) or Disposed Of (D) (Instr. 3, 4 and 5)			5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4)	6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	7. Nature of Indirect Beneficial Ownership (Instr. 4)
			Code	V	Amount	(A) or (D)	Price
Common Stock(1)	11/21/2025(2)		A		7,110	A	$0	56,452	D
Common Stock	11/25/2025		S		2,207(3)	D	$54.28(4)	54,245	D
Common Stock								28	I	by spouse

Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 3)	2. Conversion or Exercise Price of Derivative Security	3. Transaction Date (Month/Day/Year)	3A. Deemed Execution Date, if any (Month/Day/Year)	4. Transaction Code (Instr. 8)		5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5)		6. Date Exercisable and Expiration Date (Month/Day/Year)		7. Title and Amount of Securities Underlying Derivative Security (Instr. 3 and 4)		8. Price of Derivative Security (Instr. 5)	9. Number of derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4)	10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	11. Nature of Indirect Beneficial Ownership (Instr. 4)
				Code	V	(A)	(D)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares
Stock Option(5)	$281.25	11/21/2025		A		12,170		(6)	12/17/2028	Common Stock	12,170	$0.00	12,170	D

Explanation of Responses:

1. 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.

2. 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.

3. 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.

4. 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.

5. 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.

6. 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.

	Mark A. Wilson	11/25/2025
	** Signature of Reporting Person	Date
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