Roy A. Whitfield - 23 Sep 2026 Form 4 Insider Report for NEKTAR THERAPEUTICS (NKTR)

Reporting relationship: Director
Issuer ticker: NKTR
Reported as of: 23 Sep 2026
Net transaction value: $0
SEC form: 4
Accepted by SEC: 25 Sep 2026, 20:29:11 UTC
Prior SEC filing: 01 Oct 2025
Source filing: View source filing
Reporting owner signature: Elizabeth Zhang, Attorney-in-Fact

Key filing fact

Roy A. Whitfield filed Form 4 for NEKTAR THERAPEUTICS (NKTR) on 25 Sep 2026.

Key facts

This page summarizes Roy A. Whitfield's Form 4 filing for NEKTAR THERAPEUTICS (NKTR).
2 reported transactions and 1 derivative row are listed below.
Accepted by SEC: 25 Sep 2026, 20:29.

Change

Previous filing in this sequence was filed on 01 Oct 2025.
Current net transaction value: $0.

Research use

This tells you what this filing adds before you inspect full transaction and derivative tables.
You can trace every row back to the original SEC filing document.

Evidence

Filed on Form 4

Ownership activity is grounded in SEC Form 4 disclosures.

View source filing

Reporting Owners (1)

CIK 0000936728 Primary reporting owner

WHITFIELD ROY A

Relationship: Director
Address: C/O NEKTAR THERAPEUTICS, 455 MISSION BAY BLVD SOUTH, SAN FRANCISCO
Signature: Elizabeth Zhang, Attorney-in-Fact
Signature date: 25 Sep 2026

Reported non-derivative transactions

Shares, units, or other non-derivative securities reported in this filing.

NKTR transaction

Common Stock

Award

Transaction value
Shares: +2,000
Change %: +14%
Price: $0.000000^*
Shares after: 16,417
Date: 23 Sep 2026
Ownership: Direct
Footnotes: F1, F2, F3

NKTR holding

Common Stock

No transaction description listed

Transaction value
Shares
Change %
Price
Shares after: 3,434
Date: 23 Sep 2026
Ownership: by Whitfield Family 2020 Trust
Footnotes: F3

NKTR holding

Common Stock

No transaction description listed

Transaction value
Shares
Change %
Price
Shares after: 1,334
Date: 23 Sep 2026
Ownership: by Family Trust
Footnotes: F3

Reported derivative securities

Options, warrants, convertible securities, or similar derivative positions disclosed in the filing.

NKTR transaction Derivative

Stock Option

Award

Transaction value
Shares: +4,000
Change %
Price: $0.000000^*
Shares after: 4,000
Date: 23 Sep 2026
Ownership: Direct
Underlying class: Common Stock
Underlying amount: 4,000
Exercise price: $57.66
Footnotes: F4

^* marks a reported price that did not pass the local price check.

Additional SEC filing notes

Filing notes and footnotes

Explanation of responses 4 footnotes

Footnote F1

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.

Footnote F2

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

Footnote F3

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.

Footnote F4

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