Nektar Therapeutics SEC filings NKTR
Nektar Therapeutics has 1,000 filings in SEC EDGAR's recent list, going back to Aug 5, 2015. Its latest annual report, Form ARS, was filed on Apr 24, 2026 for the period ended Dec 31, 2025. The latest quarterly report (Form 10-Q) was filed on Aug 14, 2026, covering the quarter ended Jun 30, 2026. The most recent current report (Form 8-K) was filed on Oct 1, 2026 (regulation fd disclosure). The company's fiscal year ends on December 31.
| Form | Description | Filed | Period |
|---|---|---|---|
| S-8 | Employee stock plan registration | Oct 20, 2026 | — |
| 8-K |
Current report
Regulation FD disclosure
|
Oct 1, 2026 | Oct 1, 2026 |
| 8-K |
Current report
Other events
|
Sep 25, 2026 | Sep 24, 2026 |
| 8-K |
Current report
Regulation FD disclosure
|
Sep 8, 2026 | Sep 8, 2026 |
| S-8 | Employee stock plan registration | Aug 14, 2026 | — |
| 10-Q | Quarterly report | Aug 14, 2026 | Jun 30, 2026 |
| 8-K |
Current report
Results of operations
|
Aug 13, 2026 | Aug 13, 2026 |
| 8-K |
Current report
Shareholder vote results
|
Jun 5, 2026 | Jun 5, 2026 |
| 424B5 | Prospectus supplement | May 8, 2026 | — |
| 8-K |
Current report
Material agreement, Officer or director change
|
May 8, 2026 | May 8, 2026 |
| 10-Q | Quarterly report | May 8, 2026 | Mar 31, 2026 |
| 8-K |
Current report
Results of operations
|
May 7, 2026 | May 7, 2026 |
| ARS | Annual report to shareholders | Apr 24, 2026 | Dec 31, 2025 |
| DEFA14A | Additional proxy material | Apr 24, 2026 | — |
| DEF 14A | Proxy statement | Apr 24, 2026 | Jun 4, 2026 |
| 8-K |
Current report
Material agreement, Other events
|
Apr 23, 2026 | Apr 21, 2026 |
| 424B5 | Prospectus supplement | Apr 23, 2026 | — |
| 424B5 | Prospectus supplement | Apr 20, 2026 | — |
| 8-K |
Current report
Regulation FD disclosure
|
Apr 20, 2026 | Apr 20, 2026 |
| 8-K |
Current report
Regulation FD disclosure, Other events
|
Apr 20, 2026 | Apr 20, 2026 |
| 10-K | Annual report | Mar 13, 2026 | Dec 31, 2025 |
| 8-K |
Current report
Results of operations
|
Mar 12, 2026 | Mar 12, 2026 |
| 8-K |
Current report
Material agreement, Other events
|
Feb 13, 2026 | Feb 11, 2026 |
| 424B5 | Prospectus supplement | Feb 13, 2026 | — |
| 424B5 | Prospectus supplement | Feb 10, 2026 | — |
| 8-K |
Current report
Regulation FD disclosure
|
Feb 10, 2026 | Feb 10, 2026 |
| 8-K |
Current report
Regulation FD disclosure, Other events
|
Feb 10, 2026 | Feb 10, 2026 |
| 8-K |
Current report
Regulation FD disclosure
|
Jan 27, 2026 | Jan 27, 2026 |
| 8-K |
Current report
Regulation FD disclosure, Other events
|
Dec 16, 2025 | Dec 16, 2025 |
| 8-K |
Current report
Officer or director change
|
Nov 21, 2025 | Nov 21, 2025 |
| S-8 | Employee stock plan registration | Nov 12, 2025 | — |
| 424B5 | Prospectus supplement | Nov 12, 2025 | — |
| S-3ASR | Automatic shelf registration | Nov 12, 2025 | — |
| 8-K |
Current report
Regulation FD disclosure, Other events
|
Nov 10, 2025 | Nov 8, 2025 |
| 10-Q | Quarterly report | Nov 7, 2025 | Sep 30, 2025 |
| 8-K |
Current report
Results of operations
|
Nov 6, 2025 | Nov 6, 2025 |
| 8-K |
Current report
Regulation FD disclosure, Other events
|
Sep 18, 2025 | Sep 18, 2025 |
| S-8 | Employee stock plan registration | Aug 8, 2025 | — |
| 10-Q | Quarterly report | Aug 8, 2025 | Jun 30, 2025 |
| 8-K |
Current report
Results of operations
|
Aug 7, 2025 | Aug 7, 2025 |
| 8-K |
Current report
Material agreement, Other events
|
Jul 1, 2025 | Jun 30, 2025 |
| 424B5 | Prospectus supplement | Jul 1, 2025 | — |
| 424B5 | Prospectus supplement | Jun 30, 2025 | — |
| 8-K |
Current report
Other events
|
Jun 27, 2025 | Jun 24, 2025 |
| 8-K |
Current report
Regulation FD disclosure, Other events
|
Jun 24, 2025 | Jun 24, 2025 |
| 8-K |
Current report
Bylaw or fiscal year change
|
Jun 6, 2025 | Jun 6, 2025 |
| 8-K |
Current report
Other events
|
Jun 4, 2025 | Jun 4, 2025 |
| 8-K |
Current report
Shareholder vote results
|
May 28, 2025 | May 23, 2025 |
| 10-Q | Quarterly report | May 9, 2025 | Mar 31, 2025 |
| 8-K |
Current report
Results of operations
|
May 8, 2025 | May 8, 2025 |
| ARS | Annual report to shareholders | Apr 25, 2025 | Dec 31, 2024 |
| DEF 14A | Proxy statement | Apr 25, 2025 | May 23, 2025 |
| PRE 14A | Preliminary proxy statement | Apr 15, 2025 | May 23, 2025 |
| 8-K |
Current report
Listing notice
|
Apr 4, 2025 | Apr 3, 2025 |
| EFFECT | Filing | Apr 1, 2025 | — |
| 8-K |
Current report
Material agreement
|
Mar 28, 2025 | Mar 28, 2025 |
| CORRESP | Letter to the SEC | Mar 28, 2025 | — |
| S-3 | Shelf registration | Mar 28, 2025 | — |
| UPLOAD | Letter from the SEC | Mar 20, 2025 | — |
| DRSLTR | Filing | Mar 14, 2025 | — |
| DRS | Filing | Mar 14, 2025 | — |
| S-8 | Employee stock plan registration | Mar 14, 2025 | — |
| 10-K | Annual report | Mar 14, 2025 | Dec 31, 2024 |
| 8-K |
Current report
Results of operations
|
Mar 12, 2025 | Mar 12, 2025 |
| 8-K |
Current report
Other events
|
Feb 24, 2025 | Feb 24, 2025 |
| 8-K |
Current report
Other events
|
Feb 4, 2025 | Feb 4, 2025 |
| 8-K |
Current report
Acquisition or sale of assets
|
Dec 2, 2024 | Dec 2, 2024 |
| 10-Q | Quarterly report | Nov 8, 2024 | Sep 30, 2024 |
| 8-K |
Current report
Results of operations
|
Nov 7, 2024 | Nov 7, 2024 |
| 8-K |
Current report
Material agreement, Regulation FD disclosure
|
Nov 4, 2024 | Nov 1, 2024 |
| 10-Q | Quarterly report | Aug 9, 2024 | Jun 30, 2024 |
| 8-K |
Current report
Results of operations
|
Aug 8, 2024 | Aug 8, 2024 |
| 8-K |
Current report
Shareholder vote results
|
Jun 6, 2024 | Jun 5, 2024 |
| EFFECT | Filing | Jun 5, 2024 | — |
| 424B3 | Prospectus | Jun 5, 2024 | — |
| CORRESP | Letter to the SEC | Jun 3, 2024 | — |
| UPLOAD | Letter from the SEC | May 31, 2024 | — |
| S-3 | Shelf registration | May 28, 2024 | — |
| 10-Q | Quarterly report | May 10, 2024 | Mar 31, 2024 |
| 8-K |
Current report
Results of operations
|
May 9, 2024 | May 9, 2024 |
| ARS | Annual report to shareholders | Apr 26, 2024 | Dec 31, 2023 |
| DEFA14A | Additional proxy material | Apr 26, 2024 | — |
| DEF 14A | Proxy statement | Apr 26, 2024 | Jun 5, 2024 |
| 8-K |
Current report
Other events
|
Apr 17, 2024 | Apr 17, 2024 |
| D | Filing | Mar 19, 2024 | — |
| 10-K | Annual report | Mar 5, 2024 | Dec 31, 2023 |
| 8-K |
Current report
Material agreement, Results of operations
|
Mar 4, 2024 | Mar 4, 2024 |
| 8-K |
Current report
Material agreement, Unregistered share sale
|
Mar 4, 2024 | Mar 4, 2024 |
| 8-K |
Current report
Agreement ended, Other events
|
Feb 16, 2024 | Feb 12, 2024 |
| 8-K |
Current report
Results of operations, Regulation FD disclosure
|
Jan 10, 2024 | Jan 10, 2024 |
| 8-K |
Current report
Listing notice
|
Nov 27, 2023 | Nov 24, 2023 |
| 10-Q | Quarterly report | Nov 8, 2023 | Sep 30, 2023 |
| 8-K |
Current report
Results of operations
|
Nov 7, 2023 | Nov 7, 2023 |
| 8-K |
Current report
Agreement ended
|
Sep 8, 2023 | Sep 6, 2023 |
| S-8 | Employee stock plan registration | Aug 14, 2023 | — |
| 10-Q | Quarterly report | Aug 9, 2023 | Jun 30, 2023 |
| 8-K |
Current report
Results of operations
|
Aug 8, 2023 | Aug 8, 2023 |
| 8-K |
Current report
Regulation FD disclosure, Other events
|
Aug 7, 2023 | Aug 7, 2023 |
| 8-K |
Current report
Officer or director change
|
Jun 23, 2023 | Jun 19, 2023 |
| 8-K |
Current report
Shareholder vote results
|
Jun 9, 2023 | Jun 8, 2023 |
| 8-K |
Current report
Listing notice
|
Jun 2, 2023 | May 26, 2023 |
| 10-Q | Quarterly report | May 10, 2023 | Mar 31, 2023 |
| 8-K |
Current report
Results of operations
|
May 9, 2023 | May 9, 2023 |
| DEFA14A | Additional proxy material | Apr 28, 2023 | — |
| DEF 14A | Proxy statement | Apr 28, 2023 | — |
| 8-K |
Current report
Agreement ended, Regulation FD disclosure
|
Apr 27, 2023 | Apr 23, 2023 |
| 8-K |
Current report
Results of operations, Exit or restructuring costs, Officer or director change, Regulation FD disclosure
|
Apr 17, 2023 | Apr 17, 2023 |
| 8-K |
Current report
Officer or director change
|
Apr 11, 2023 | Apr 6, 2023 |
| 8-K |
Current report
Other events
|
Mar 13, 2023 | Mar 11, 2023 |
| 8-K |
Current report
Results of operations
|
Feb 28, 2023 | Feb 28, 2023 |
| 10-K | Annual report | Feb 28, 2023 | Dec 31, 2022 |
| 8-K |
Current report
Regulation FD disclosure, Other events
|
Feb 23, 2023 | Feb 23, 2023 |
| 8-K |
Current report
Results of operations, Regulation FD disclosure
|
Jan 9, 2023 | Jan 9, 2023 |
| 8-K |
Current report
Other events
|
Dec 22, 2022 | Dec 16, 2022 |
| 8-K |
Current report
Bylaw or fiscal year change
|
Dec 16, 2022 | Dec 15, 2022 |
| 10-Q | Quarterly report | Nov 4, 2022 | Sep 30, 2022 |
| 8-K |
Current report
Results of operations
|
Nov 3, 2022 | Nov 3, 2022 |
| 8-K |
Current report
Regulation FD disclosure
|
Oct 11, 2022 | Oct 11, 2022 |
| 8-K |
Current report
Regulation FD disclosure
|
Oct 7, 2022 | Oct 6, 2022 |
| S-8 | Employee stock plan registration | Aug 5, 2022 | — |
| 10-Q | Quarterly report | Aug 5, 2022 | Jun 30, 2022 |
| 8-K |
Current report
Results of operations
|
Aug 4, 2022 | Aug 4, 2022 |
| 8-K |
Current report
Officer or director change
|
Jul 1, 2022 | Jun 29, 2022 |
| 8-K |
Current report
Shareholder vote results
|
Jun 10, 2022 | Jun 8, 2022 |
| 8-K |
Current report
Other events
|
May 23, 2022 | May 19, 2022 |
| 10-Q | Quarterly report | May 6, 2022 | Mar 31, 2022 |
| 8-K |
Current report
Results of operations
|
May 5, 2022 | May 5, 2022 |
| 8-K |
Current report
Exit or restructuring costs, Impairment
|
May 2, 2022 | Apr 26, 2022 |
| DEFA14A | Additional proxy material | Apr 29, 2022 | — |
| DEF 14A | Proxy statement | Apr 29, 2022 | Jun 8, 2022 |
| 8-K |
Current report
Results of operations, Officer or director change, Regulation FD disclosure
|
Apr 25, 2022 | Apr 25, 2022 |
| 8-K |
Current report
Other events
|
Apr 14, 2022 | Apr 14, 2022 |
| 8-K |
Current report
Other events
|
Mar 14, 2022 | Mar 14, 2022 |
| 10-K | Annual report | Mar 1, 2022 | Dec 31, 2021 |
| 8-K |
Current report
Results of operations
|
Feb 28, 2022 | Feb 28, 2022 |
| 8-K |
Current report
Results of operations, Regulation FD disclosure
|
Jan 11, 2022 | Jan 11, 2022 |
| UPLOAD | Letter from the SEC | Dec 13, 2021 | — |
| 8-K |
Current report
Officer or director change
|
Nov 15, 2021 | Nov 11, 2021 |
| CORRESP | Letter to the SEC | Nov 9, 2021 | — |
| 10-Q | Quarterly report | Nov 5, 2021 | Sep 30, 2021 |
| 8-K |
Current report
Results of operations
|
Nov 4, 2021 | Nov 4, 2021 |
| UPLOAD | Letter from the SEC | Oct 26, 2021 | — |
| S-8 | Employee stock plan registration | Aug 18, 2021 | — |
| 10-Q | Quarterly report | Aug 6, 2021 | Jun 30, 2021 |
| 8-K |
Current report
Results of operations
|
Aug 5, 2021 | Aug 5, 2021 |
| 8-K |
Current report
Shareholder vote results
|
Jun 15, 2021 | Jun 10, 2021 |
| 10-Q | Quarterly report | May 7, 2021 | Mar 31, 2021 |
| 8-K |
Current report
Results of operations
|
May 6, 2021 | May 6, 2021 |
| DEFA14A | Additional proxy material | Apr 30, 2021 | — |
| DEF 14A | Proxy statement | Apr 30, 2021 | Jun 10, 2021 |
| S-3ASR | Automatic shelf registration | Mar 12, 2021 | — |
| 10-K | Annual report | Feb 26, 2021 | Dec 31, 2020 |
| 8-K |
Current report
Results of operations
|
Feb 25, 2021 | Feb 25, 2021 |
| 8-K |
Current report
Material agreement
|
Feb 17, 2021 | Feb 12, 2021 |
| 8-K |
Current report
Results of operations, Regulation FD disclosure
|
Jan 11, 2021 | Jan 11, 2021 |
| 8-K |
Current report
Acquisition or sale of assets
|
Jan 5, 2021 | Dec 30, 2020 |
| 8-K |
Current report
Material agreement, Regulation FD disclosure
|
Dec 22, 2020 | Dec 16, 2020 |
| 8-K |
Current report
Bylaw or fiscal year change
|
Dec 21, 2020 | Dec 15, 2020 |
| 10-Q | Quarterly report | Nov 6, 2020 | Sep 30, 2020 |
| 8-K |
Current report
Results of operations
|
Nov 5, 2020 | Nov 5, 2020 |
| 8-K |
Current report
Officer or director change
|
Oct 2, 2020 | Sep 28, 2020 |
| S-8 | Employee stock plan registration | Aug 7, 2020 | — |
| 10-Q | Quarterly report | Aug 7, 2020 | Jun 30, 2020 |
| 8-K |
Current report
Results of operations
|
Aug 6, 2020 | Aug 6, 2020 |
| 8-K |
Current report
Shareholder vote results, Other events
|
Jun 23, 2020 | Jun 17, 2020 |
| 10-Q | Quarterly report | May 8, 2020 | Mar 31, 2020 |
| 8-K |
Current report
Results of operations
|
May 7, 2020 | May 7, 2020 |
| DEFA14A | Additional proxy material | Apr 29, 2020 | — |
| DEF 14A | Proxy statement | Apr 29, 2020 | Jun 17, 2020 |
| 8-K |
Current report
Regulation FD disclosure
|
Apr 2, 2020 | Apr 2, 2020 |
| 10-K | Annual report | Feb 28, 2020 | Dec 31, 2019 |
| 8-K |
Current report
Results of operations
|
Feb 27, 2020 | Feb 27, 2020 |
| 8-K |
Current report
Other events
|
Jan 15, 2020 | Jan 14, 2020 |
| 8-K |
Current report
Results of operations, Other events
|
Jan 13, 2020 | Jan 13, 2020 |
| 8-K |
Current report
Material agreement
|
Jan 10, 2020 | Jan 9, 2020 |
| 8-K |
Current report
Officer or director change, Bylaw or fiscal year change
|
Dec 17, 2019 | Dec 12, 2019 |
| 8-K |
Current report
Other events
|
Dec 6, 2019 | Dec 5, 2019 |
| 8-K |
Current report
Officer or director change
|
Dec 5, 2019 | Dec 2, 2019 |
| 8-K |
Current report
Officer or director change
|
Nov 19, 2019 | Nov 13, 2019 |
| 10-Q | Quarterly report | Nov 7, 2019 | Sep 30, 2019 |
| 8-K |
Current report
Results of operations
|
Nov 6, 2019 | Nov 6, 2019 |
| 8-K |
Current report
Officer or director change
|
Oct 21, 2019 | Oct 15, 2019 |
| 8-K |
Current report
Officer or director change
|
Oct 1, 2019 | Sep 25, 2019 |
| 8-K/A |
Amended current report
Other events
|
Aug 30, 2019 | Jul 23, 2019 |
| 10-Q | Quarterly report | Aug 9, 2019 | Jun 30, 2019 |
| 8-K |
Current report
Results of operations
|
Aug 8, 2019 | Aug 8, 2019 |
| 8-K |
Current report
Other events
|
Jul 25, 2019 | Jul 23, 2019 |
| 8-K |
Current report
Shareholder vote results
|
Jun 14, 2019 | Jun 12, 2019 |
| 10-Q | Quarterly report | May 9, 2019 | Mar 31, 2019 |
| 8-K |
Current report
Results of operations
|
May 8, 2019 | May 8, 2019 |
| 8-K |
Current report
Officer or director change, Regulation FD disclosure
|
May 3, 2019 | Apr 29, 2019 |
| DEFA14A | Additional proxy material | Apr 30, 2019 | — |
| DEF 14A | Proxy statement | Apr 30, 2019 | Jun 12, 2019 |
| 8-K |
Current report
Other events
|
Mar 1, 2019 | Mar 1, 2019 |
| 10-K | Annual report | Mar 1, 2019 | Dec 31, 2018 |
| 8-K |
Current report
Results of operations
|
Feb 28, 2019 | Feb 28, 2019 |
| 8-K |
Current report
Other events
|
Feb 15, 2019 | Feb 15, 2019 |
| UPLOAD | Letter from the SEC | Feb 8, 2019 | — |
| 8-K |
Current report
Bylaw or fiscal year change, Other events
|
Feb 6, 2019 | Feb 4, 2019 |
| 8-K |
Current report
Results of operations, Other events
|
Jan 8, 2019 | Jan 8, 2019 |
Showing 200 filings, the most recent 200. Main filings leave out insider and ownership forms such as Form 4; choose a type above to see them. Each form opens on SEC.gov. Older filings are on SEC EDGAR.
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Company profile
- Industry
- Pharmaceutical Preparations (SIC 2834)
- Listed as
- NKTR (Nasdaq)
- Fiscal year ends
- December 31
- Incorporated in
- DE
- Headquarters
- San Francisco, CA
- SEC filer status
- Non-accelerated filer, Smaller reporting company
- SEC CIK
- 906709
- Former names
- INHALE THERAPEUTIC SYSTEMS INC (until Jan 10, 2003); INHALE THERAPEUTIC SYSTEMS (until May 14, 1998)
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Source: SEC EDGAR filings. This is company-reported data, not investment advice.