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WHITFIELD ROY A

Disclosed activity across 1 company

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74783
SEC CIK
0000936728

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Reported relationships

Latest disclosed role at each company.

CompanyLast reported asReport datePublished
NEKTAR THERAPEUTICSNKTR · Entity 4364DirectorSeptember 23, 2026September 26, 2026

Disclosed balances

About these balances

Latest available filing per company, not a reconstructed current portfolio. Matching sequences show the last reported balance with all source rows expandable; grouping alone does not establish account ownership. Do not add unresolved positions together. Filings may omit unchanged positions, and amendments may correct only part of an older disclosure. Jointly reported shares are not necessarily this owner's personal holdings.

NEKTAR THERAPEUTICS

Report date September 23, 2026 · Filed September 26, 2026

Security / awardOwnership accountDisclosed shares / unitsDisclosure context
Common StockSEC Table I · non-derivativeDirect16,417 Reported balance After 2026-09-23 transaction · row 1 Account or security details depend on footnotes; rows are not merged.
1 source row

Row 1 · 2026-09-23 · Grant · Acquired 2,000 · Balance 16,417

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.

F2: This RSU award vests in full, one year following September 23, 2026.

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.

Stock OptionSEC Table II · derivative / convertible security · Conversion / exercise price $57.66 · Expires 2034-09-22Direct4,000 Reported balance After 2026-09-23 transaction · row 4 Instrument identity requires review; Table II rows are not merged.
1 source row

Row 4 · 2026-09-23 · Grant · Acquired 4,000 · Balance 4,000

F4: This stock option vests in substantially equal monthly installments over the one-year period beginning on September 23, 2026.

Common StockSEC Table I · non-derivativeIndirectby Whitfield Family 2020 Trust3,434 Reported balance Holding disclosure · report date 2026-09-23 · row 2 Holding and transaction disclosures are not merged.
1 source row

Row 2 · Balance 3,434

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.

Common StockSEC Table I · non-derivativeIndirectby Family Trust1,334 Reported balance Holding disclosure · report date 2026-09-23 · row 3 Holding and transaction disclosures are not merged.
1 source row

Row 3 · Balance 1,334

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.

Filing footnotes · ownership attribution and instrument terms

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.

F2: This RSU award vests in full, one year following September 23, 2026.

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.

F4: This stock option vests in substantially equal monthly installments over the one-year period beginning on September 23, 2026.

Transaction history

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Purchases/sales include open-market and private transactions. Plan disclosure applies to the filing; individual rows may differ. “Not disclosed” is not “unplanned.”

The cutoff filters transaction history only. Company summaries and owner relationships show the latest available disclosures. Parser corrections can improve historical records.

Transaction dateCompanyActivity / securityShares / unitsReported priceReported valueDetails
September 23, 2026 Filed Sep 26, 2026 00:29 UTC NEKTAR THERAPEUTICS NKTR · Entity 4364 GrantStock Option · Derivative 4,000 $0.00 Strike: $57.66 $0.00
Disclosure

SEC source: 0001193125-26-403105 · ownership.xml · derivative · entry 4

WHITFIELD ROY A · CIK 0000936728 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 4,000

Underlying: Common Stock · 4,000 shares

Expires 2034-09-22

F4 · derivative.exercise_date: This stock option vests in substantially equal monthly installments over the one-year period beginning on September 23, 2026.

Read SEC document
September 23, 2026 Filed Sep 26, 2026 00:29 UTC NEKTAR THERAPEUTICS NKTR · Entity 4364 GrantCommon Stock 2,000 $0.00 $0.00
Disclosure

SEC source: 0001193125-26-403105 · ownership.xml · nonDerivative · entry 1

WHITFIELD ROY A · CIK 0000936728 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 16,417

F1 · security: 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.

F2 · deemedExecutionDate: This RSU award vests in full, one year following September 23, 2026.

F3 · balance_after: 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.

Read SEC document
September 30, 2025 Filed Oct 1, 2025 23:52 UTC NEKTAR THERAPEUTICS NKTR · Entity 4364 GrantStock Option · Derivative 8,000 $0.00 Strike: $56.90 $0.00
Disclosure

SEC source: 0001193125-25-227237 · ownership.xml · derivative · entry 1

WHITFIELD ROY A · CIK 0000936728 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 8,000

Underlying: Common Stock · 8,000 shares

Expires 2033-09-29

F1 · derivative.exercise_date: This stock option vests in substantially equal monthly installments over the one-year period beginning on September 30, 2025.

Read SEC document
September 18, 2024 Filed Jan 18, 2025 01:39 UTC NEKTAR THERAPEUTICS NKTR · Entity 4364 GrantStock Option · Derivative 120,000 $0.00 Strike: $1.26 $0.00
Disclosure

SEC source: 0000950170-25-006894 · ownership.xml · derivative · entry 1

WHITFIELD ROY A · CIK 0000936728 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 120,000

Underlying: Common Stock · 120,000 shares

Expires 2032-09-17

F1 · derivative.exercise_date: This stock option vests in equal monthly installments over the one-year period beginning on September 18, 2024.

Read SEC document
September 19, 2023 Filed Sep 21, 2023 00:11 UTC NEKTAR THERAPEUTICS NKTR · Entity 4364 GrantStock Option · Derivative 85,000 $0.00 Strike: $0.68 $0.00
Disclosure

SEC source: 0001209191-23-050226 · doc4.xml · derivative · entry 1

WHITFIELD ROY A · CIK 0000936728 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 85,000

Underlying: Common Stock · 85,000 shares

Expires 2031-09-18

F1 · derivative.exercise_date: This stock option vests in equal monthly installments over the one-year period beginning on September 19, 2023.

Read SEC document
June 14, 2023 Filed Jun 15, 2023 22:26 UTC NEKTAR THERAPEUTICS NKTR · Entity 4364 SaleCommon Stock 30,000 $0.57 $17,100.00
Disclosure

SEC source: 0001209191-23-037538 · doc4.xml · nonDerivative · entry 1

WHITFIELD ROY A · CIK 0000936728 · Director

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 216,250

F1 · security: This transaction was made pursuant to a Rule 10b5-1 trading plan adopted by the reporting person.

F2 · price: This transaction was executed in multiple trades at prices ranging from $.57 to $.58. 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 request to the SEC staff, the issuer, or a security holder of the issuer.

Read SEC document
September 16, 2022 Filed Sep 21, 2022 00:49 UTC NEKTAR THERAPEUTICS NKTR · Entity 4364 GrantStock Option · Derivative 20,400 $0.00 Strike: $3.47 $0.00
Disclosure

SEC source: 0001209191-22-050816 · doc4.xml · derivative · entry 4

WHITFIELD ROY A · CIK 0000936728 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 20,400

Underlying: Common Stock · 20,400 shares

Expires 2030-09-15

F3 · derivative.exercise_date: This stock option vests in equal monthly installments over the one-year period beginning on September 16, 2022.

Read SEC document
September 16, 2022 Filed Sep 21, 2022 00:49 UTC NEKTAR THERAPEUTICS NKTR · Entity 4364 GrantCommon Stock 10,200 $0.00 $0.00
Disclosure

SEC source: 0001209191-22-050816 · doc4.xml · nonDerivative · entry 1

WHITFIELD ROY A · CIK 0000936728 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 246,250

F1 · security: 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.

F2 · deemedExecutionDate: This RSU award vests in full, one year following September 16, 2022.

Read SEC document
September 22, 2021 Filed Sep 24, 2021 22:16 UTC NEKTAR THERAPEUTICS NKTR · Entity 4364 GrantStock Option · Derivative 20,400 $0.00 Strike: $17.78 $0.00
Disclosure

SEC source: 0001209191-21-057708 · doc4.xml · derivative · entry 4

WHITFIELD ROY A · CIK 0000936728 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 20,400

Underlying: Common Stock · 20,400 shares

Expires 2029-09-21

F3 · derivative.exercise_date: This stock option vests in equal monthly installments over the one-year period beginning on September 22, 2021.

Read SEC document
September 22, 2021 Filed Sep 24, 2021 22:16 UTC NEKTAR THERAPEUTICS NKTR · Entity 4364 GrantCommon Stock 10,200 $0.00 $0.00
Disclosure

SEC source: 0001209191-21-057708 · doc4.xml · nonDerivative · entry 1

WHITFIELD ROY A · CIK 0000936728 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 236,050

F1 · security: 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.

F2 · deemedExecutionDate: This RSU award vests in full, one year following September 22, 2021.

Read SEC document
September 16, 2021 Filed Sep 17, 2021 22:44 UTC NEKTAR THERAPEUTICS NKTR · Entity 4364 Exercise / conversionStock Option · Derivative 40,000 $0.00 Strike: $13.80 $0.00
Disclosure

SEC source: 0001209191-21-056728 · doc4.xml · derivative · entry 4

WHITFIELD ROY A · CIK 0000936728 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 40,000 shares

Expires 2021-09-18

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

Read SEC document
September 16, 2021 Filed Sep 17, 2021 22:44 UTC NEKTAR THERAPEUTICS NKTR · Entity 4364 Exercise / conversionCommon Stock 40,000 $13.80 $552,000.00
Disclosure

SEC source: 0001209191-21-056728 · doc4.xml · nonDerivative · entry 1

WHITFIELD ROY A · CIK 0000936728 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 225,850

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

Read SEC document
December 30, 2020 Filed Jan 4, 2021 23:06 UTC NEKTAR THERAPEUTICS NKTR · Entity 4364 GiftCommon Stock 51,500 $0.00 $0.00
Disclosure

SEC source: 0001209191-21-000492 · doc4.xml · nonDerivative · entry 2

WHITFIELD ROY A · CIK 0000936728 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · by Whitfield Family 2020 Trust

Disclosed balance after: 51,500

F1 · kind: This transaction involved a gift of shares by Mr. Whitfield to a trust for the benefit of Mr. Whitfield's family. Mr. Whitfield is the sole trustee of this trust.

Read SEC document
December 30, 2020 Filed Jan 4, 2021 23:06 UTC NEKTAR THERAPEUTICS NKTR · Entity 4364 GiftCommon Stock 51,500 $0.00 $0.00
Disclosure

SEC source: 0001209191-21-000492 · doc4.xml · nonDerivative · entry 1

WHITFIELD ROY A · CIK 0000936728 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 185,850

F1 · kind: This transaction involved a gift of shares by Mr. Whitfield to a trust for the benefit of Mr. Whitfield's family. Mr. Whitfield is the sole trustee of this trust.

Read SEC document
September 22, 2020 Filed Sep 25, 2020 01:40 UTC NEKTAR THERAPEUTICS NKTR · Entity 4364 GrantStock Option · Derivative 18,200 $0.00 Strike: $18.91 $0.00
Disclosure

SEC source: 0001209191-20-052045 · doc4.xml · derivative · entry 3

WHITFIELD ROY A · CIK 0000936728 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 18,200

Underlying: Common Stock · 18,200 shares

Expires 2028-09-21

F3 · derivative.exercise_date: This stock option vests in equal monthly installments over the one-year period beginning on September 22, 2020.

Read SEC document
September 22, 2020 Filed Sep 25, 2020 01:40 UTC NEKTAR THERAPEUTICS NKTR · Entity 4364 GrantCommon Stock 9,100 $0.00 $0.00
Disclosure

SEC source: 0001209191-20-052045 · doc4.xml · nonDerivative · entry 1

WHITFIELD ROY A · CIK 0000936728 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 237,350

F1 · security: This stock award was acquired pursuant to a grant of restricted stock units ("RSUs"). Each RSU represents a contingent right to receive, upon vesting of the unit, one share of the issuer's common stock.

F2 · deemedExecutionDate: This restricted stock unit award vests in full, one year following September 22, 2020.

Read SEC document
September 22, 2020 Filed Sep 26, 2020 00:15 UTC Amendment NEKTAR THERAPEUTICS NKTR · Entity 4364 GrantStock Option · Derivative 18,200 $0.00 Strike: $19.90 $0.00
Disclosure

SEC source: 0001209191-20-052158 · doc4a.xml · derivative · entry 3

WHITFIELD ROY A · CIK 0000936728 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 18,200

Underlying: Common Stock · 18,200 shares

Expires 2028-09-21

F3 · derivative.exercise_date: This stock option vests in equal monthly installments over the one-year period beginning on September 22, 2020.

Read SEC document
September 22, 2020 Filed Sep 26, 2020 00:15 UTC Amendment NEKTAR THERAPEUTICS NKTR · Entity 4364 GrantCommon Stock 9,100 $0.00 $0.00
Disclosure

SEC source: 0001209191-20-052158 · doc4a.xml · nonDerivative · entry 1

WHITFIELD ROY A · CIK 0000936728 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 237,350

F1 · security: This stock award was acquired pursuant to a grant of restricted stock units ("RSUs"). Each RSU represents a contingent right to receive, upon vesting of the unit, one share of the issuer's common stock.

F2 · deemedExecutionDate: This restricted stock unit award vests in full, one year following September 22, 2020.

Read SEC document
September 04, 2020 Filed Sep 8, 2020 22:18 UTC NEKTAR THERAPEUTICS NKTR · Entity 4364 Exercise / conversionStock Option · Derivative 30,000 $0.00 Strike: $9.24 $0.00
Disclosure

SEC source: 0001209191-20-049782 · doc4.xml · derivative · entry 3

WHITFIELD ROY A · CIK 0000936728 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 30,000 shares

Expires 2020-09-13

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

Read SEC document
September 04, 2020 Filed Sep 8, 2020 22:18 UTC NEKTAR THERAPEUTICS NKTR · Entity 4364 Exercise / conversionCommon Stock 30,000 $9.24 $277,200.00
Disclosure

SEC source: 0001209191-20-049782 · doc4.xml · nonDerivative · entry 1

WHITFIELD ROY A · CIK 0000936728 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 228,250

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

Read SEC document
December 18, 2019 Filed Dec 20, 2019 23:31 UTC NEKTAR THERAPEUTICS NKTR · Entity 4364 Exercise / conversionStock Option · Derivative 10,000 $0.00 Strike: $9.24 $0.00
Disclosure

SEC source: 0001209191-19-061643 · doc4.xml · derivative · entry 3

WHITFIELD ROY A · CIK 0000936728 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 30,000

Underlying: Common Stock · 10,000 shares

Expires 2020-09-13

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

Read SEC document
December 18, 2019 Filed Dec 20, 2019 23:31 UTC NEKTAR THERAPEUTICS NKTR · Entity 4364 Exercise / conversionCommon Stock 10,000 $9.24 $92,400.00
Disclosure

SEC source: 0001209191-19-061643 · doc4.xml · nonDerivative · entry 1

WHITFIELD ROY A · CIK 0000936728 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 198,250

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

Read SEC document
September 25, 2019 Filed Sep 27, 2019 22:09 UTC NEKTAR THERAPEUTICS NKTR · Entity 4364 GrantStock Option · Derivative 13,000 $0.00 Strike: $18.80 $0.00
Disclosure

SEC source: 0001209191-19-051046 · doc4.xml · derivative · entry 3

WHITFIELD ROY A · CIK 0000936728 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 13,000

Underlying: Common Stock · 13,000 shares

Expires 2027-09-24

F3 · derivative.exercise_date: This stock option vests in equal monthly installments over the one-year period beginning on September 30, 2019.

Read SEC document
September 25, 2019 Filed Sep 27, 2019 22:09 UTC NEKTAR THERAPEUTICS NKTR · Entity 4364 GrantCommon Stock 6,500 $0.00 $0.00
Disclosure

SEC source: 0001209191-19-051046 · doc4.xml · nonDerivative · entry 1

WHITFIELD ROY A · CIK 0000936728 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 188,250

F1 · security: This stock award was acquired pursuant to a grant of restricted stock units ("RSUs"). Each RSU represents a contingent right to receive, upon vesting of the unit, one share of the issuer's common stock.

F2 · deemedExecutionDate: This restricted stock unit award vests in full, one year following September 25, 2019.

Read SEC document
September 27, 2018 Filed Oct 2, 2018 00:25 UTC NEKTAR THERAPEUTICS NKTR · Entity 4364 GrantStock Option · Derivative 9,500 $0.00 Strike: $60.91 $0.00
Disclosure

SEC source: 0001209191-18-052912 · doc4.xml · derivative · entry 3

WHITFIELD ROY A · CIK 0000936728 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 9,500

Underlying: Common Stock · 9,500 shares

Expires 2026-09-26

F3 · derivative.exercise_date: This stock option vests in equal monthly installments over the one-year period beginning on September 30, 2018.

Read SEC document
September 27, 2018 Filed Oct 2, 2018 00:25 UTC NEKTAR THERAPEUTICS NKTR · Entity 4364 GrantCommon Stock 4,750 $0.00 $0.00
Disclosure

SEC source: 0001209191-18-052912 · doc4.xml · nonDerivative · entry 1

WHITFIELD ROY A · CIK 0000936728 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 181,750

F1 · security: This stock award was acquired pursuant to a grant of restricted stock units ("RSUs"). Each RSU represents a contingent right to receive, upon vesting of the unit, one share of the issuer's common stock.

F2 · deemedExecutionDate: This restricted stock unit award vests in full, one year following September 27, 2018.

Read SEC document
June 06, 2018 Filed Jun 7, 2018 23:40 UTC NEKTAR THERAPEUTICS NKTR · Entity 4364 PurchaseCommon Stock 1,400 $59.80 $83,720.00
Disclosure

SEC source: 0001209191-18-036517 · doc4.xml · nonDerivative · entry 3

WHITFIELD ROY A · CIK 0000936728 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 177,000

Read SEC document
June 06, 2018 Filed Jun 7, 2018 23:40 UTC NEKTAR THERAPEUTICS NKTR · Entity 4364 PurchaseCommon Stock 2,000 $59.07 $118,140.00
Disclosure

SEC source: 0001209191-18-036517 · doc4.xml · nonDerivative · entry 2

WHITFIELD ROY A · CIK 0000936728 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 175,600

Read SEC document
June 05, 2018 Filed Jun 7, 2018 23:40 UTC NEKTAR THERAPEUTICS NKTR · Entity 4364 PurchaseCommon Stock 1,600 $55.22 $88,352.00
Disclosure

SEC source: 0001209191-18-036517 · doc4.xml · nonDerivative · entry 1

WHITFIELD ROY A · CIK 0000936728 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 173,600

Read SEC document
April 17, 2018 Filed Apr 18, 2018 22:05 UTC NEKTAR THERAPEUTICS NKTR · Entity 4364 Exercise / conversionStock Option · Derivative 30,000 $0.00 Strike: $14.26 $0.00
Disclosure

SEC source: 0001209191-18-025446 · doc4.xml · derivative · entry 3

WHITFIELD ROY A · CIK 0000936728 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 30,000 shares

Expires 2018-09-14

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

Read SEC document
April 17, 2018 Filed Apr 18, 2018 22:05 UTC NEKTAR THERAPEUTICS NKTR · Entity 4364 Exercise / conversionCommon Stock 30,000 $14.26 $427,800.00
Disclosure

SEC source: 0001209191-18-025446 · doc4.xml · nonDerivative · entry 1

WHITFIELD ROY A · CIK 0000936728 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 172,000

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

Read SEC document
September 19, 2017 Filed Sep 21, 2017 20:51 UTC NEKTAR THERAPEUTICS NKTR · Entity 4364 GrantStock Option · Derivative 22,500 $0.00 Strike: $21.75 $0.00
Disclosure

SEC source: 0001209191-17-053618 · doc4.xml · derivative · entry 3

WHITFIELD ROY A · CIK 0000936728 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 22,500

Underlying: common stock · 22,500 shares

Expires 2025-09-18

F3 · derivative.exercise_date: This stock option vests in equal monthly installments over the one-year period beginning on September 30, 2017.

Read SEC document
September 19, 2017 Filed Sep 21, 2017 20:51 UTC NEKTAR THERAPEUTICS NKTR · Entity 4364 GrantCommon Stock 9,000 $0.00 $0.00
Disclosure

SEC source: 0001209191-17-053618 · doc4.xml · nonDerivative · entry 1

WHITFIELD ROY A · CIK 0000936728 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 142,000

F1 · security: This stock award was acquired pursuant to a grant of restricted stock units ("RSUs"). Each RSU represents a contingent right to receive, upon vesting of the unit, one share of the Issuer's common stock.

F2 · deemedExecutionDate: This restricted stock unit award vests in full, one year following September 19, 2017.

Read SEC document
August 10, 2017 Filed Aug 14, 2017 13:07 UTC NEKTAR THERAPEUTICS NKTR · Entity 4364 PurchaseCommon Stock 35,000 $17.95 $628,250.00
Disclosure

SEC source: 0001209191-17-048678 · doc4.xml · nonDerivative · entry 1

WHITFIELD ROY A · CIK 0000936728 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 133,000

F1 · price: This transaction was executed in multiple trades at prices ranging from $17.89 to $17.99. 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 request to the SEC staff, the issuer, or a security holder of the issuer.

Read SEC document
March 15, 2017 Filed Mar 17, 2017 22:02 UTC NEKTAR THERAPEUTICS NKTR · Entity 4364 Exercise / conversionStock Option · Derivative 14,000 $0.00 Strike: $8.37 $0.00
Disclosure

SEC source: 0001209191-17-021522 · doc4.xml · derivative · entry 3

WHITFIELD ROY A · CIK 0000936728 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 14,000 shares

Expires 2017-09-14

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

Read SEC document
March 15, 2017 Filed Mar 17, 2017 22:02 UTC NEKTAR THERAPEUTICS NKTR · Entity 4364 Exercise / conversionCommon Stock 14,000 $8.37 $117,180.00
Disclosure

SEC source: 0001209191-17-021522 · doc4.xml · nonDerivative · entry 1

WHITFIELD ROY A · CIK 0000936728 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 98,000

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

Read SEC document
September 23, 2016 Filed Sep 27, 2016 21:09 UTC NEKTAR THERAPEUTICS NKTR · Entity 4364 Exercise / conversionStock Option · Derivative 30,000 $0.00 Strike: $5.14 $0.00
Disclosure

SEC source: 0001209191-16-142913 · doc4.xml · derivative · entry 7

WHITFIELD ROY A · CIK 0000936728 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 30,000 shares

Expires 2019-09-12

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

Read SEC document
September 23, 2016 Filed Sep 27, 2016 21:09 UTC NEKTAR THERAPEUTICS NKTR · Entity 4364 Exercise / conversionStock Option · Derivative 1,000 $0.00 Strike: $8.37 $0.00
Disclosure

SEC source: 0001209191-16-142913 · doc4.xml · derivative · entry 6

WHITFIELD ROY A · CIK 0000936728 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 14,000

Underlying: Common Stock · 1,000 shares

Expires 2017-09-14

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

Read SEC document
September 23, 2016 Filed Sep 27, 2016 21:09 UTC NEKTAR THERAPEUTICS NKTR · Entity 4364 Exercise / conversionStock Option · Derivative 15,000 $0.00 Strike: $5.15 $0.00
Disclosure

SEC source: 0001209191-16-142913 · doc4.xml · derivative · entry 5

WHITFIELD ROY A · CIK 0000936728 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 15,000 shares

Expires 2016-12-01

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

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September 23, 2016 Filed Sep 27, 2016 21:09 UTC NEKTAR THERAPEUTICS NKTR · Entity 4364 Exercise / conversionCommon Stock 30,000 $5.14 $154,200.00
Disclosure

SEC source: 0001209191-16-142913 · doc4.xml · nonDerivative · entry 3

WHITFIELD ROY A · CIK 0000936728 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 84,000

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

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September 23, 2016 Filed Sep 27, 2016 21:09 UTC NEKTAR THERAPEUTICS NKTR · Entity 4364 Exercise / conversionCommon Stock 1,000 $8.37 $8,370.00
Disclosure

SEC source: 0001209191-16-142913 · doc4.xml · nonDerivative · entry 2

WHITFIELD ROY A · CIK 0000936728 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 54,000

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

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September 23, 2016 Filed Sep 27, 2016 21:09 UTC NEKTAR THERAPEUTICS NKTR · Entity 4364 Exercise / conversionCommon Stock 15,000 $5.15 $77,250.00
Disclosure

SEC source: 0001209191-16-142913 · doc4.xml · nonDerivative · entry 1

WHITFIELD ROY A · CIK 0000936728 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 53,000

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

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September 21, 2016 Filed Sep 23, 2016 21:13 UTC NEKTAR THERAPEUTICS NKTR · Entity 4364 GrantStock Option · Derivative 20,000 $0.00 Strike: $19.15 $0.00
Disclosure

SEC source: 0001209191-16-142669 · doc4.xml · derivative · entry 3

WHITFIELD ROY A · CIK 0000936728 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 20,000

Underlying: Common Stock · 20,000 shares

Expires 2024-09-20

F3 · derivative.exercise_date: This option vests in equal monthly installments over the one-year period beginning on September 30, 2016.

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September 21, 2016 Filed Sep 23, 2016 21:13 UTC NEKTAR THERAPEUTICS NKTR · Entity 4364 GrantCommon Stock 8,000 $0.00 $0.00
Disclosure

SEC source: 0001209191-16-142669 · doc4.xml · nonDerivative · entry 1

WHITFIELD ROY A · CIK 0000936728 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 38,000

F1 · security: This stock award was acquired pursuant to a grant of restricted stock units ("RSUs"). Each RSU represents a contingent right to receive, upon vesting of the unit, one share of the issuer's common stock.

F2 · deemedExecutionDate: This restricted stock unit award vests in full, one year following September 21, 2016.

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September 15, 2016 Filed Sep 19, 2016 21:16 UTC NEKTAR THERAPEUTICS NKTR · Entity 4364 Exercise / conversionRestricted Stock Unit · Derivative 15,000 $0.00 $0.00
Disclosure

SEC source: 0001209191-16-142028 · doc4.xml · derivative · entry 3

WHITFIELD ROY A · CIK 0000936728 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 15,000 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · derivative.exercise_price: Represents restricted stock units ("RSU"), convertible on a one-for-one basis into shares of Common Stock of the Company. These RSUs, at the time of their grant on September 15, 2015, vested in full one year following the grant date.

F1 · derivative.exercise_date: Represents restricted stock units ("RSU"), convertible on a one-for-one basis into shares of Common Stock of the Company. These RSUs, at the time of their grant on September 15, 2015, vested in full one year following the grant date.

F1 · derivative.expiration_date: Represents restricted stock units ("RSU"), convertible on a one-for-one basis into shares of Common Stock of the Company. These RSUs, at the time of their grant on September 15, 2015, vested in full one year following the grant date.

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September 15, 2016 Filed Sep 19, 2016 21:16 UTC NEKTAR THERAPEUTICS NKTR · Entity 4364 Exercise / conversionCommon Stock 15,000 $0.00 $0.00
Disclosure

SEC source: 0001209191-16-142028 · doc4.xml · nonDerivative · entry 1

WHITFIELD ROY A · CIK 0000936728 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 30,000

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · security: Represents restricted stock units ("RSU"), convertible on a one-for-one basis into shares of Common Stock of the Company. These RSUs, at the time of their grant on September 15, 2015, vested in full one year following the grant date.

F2 · balance_after: The total holdings includes the 15,000 shares of restricted stock units ("RSUs") that were previously reported in Table II for the reporting person and which are being reclassified to Table I. These RSUs were granted on September 15, 2015, are convertible on a one-for-one basis into shares of Common Stock of the Company, and vested on September 15, 2016.

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Value uses the disclosed total when available, otherwise shares × reported transaction price. It is not an estimate of exercise cash cost or investment performance.