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.

Nektar Therapeutics SEC filings
Form Description Filed Period
S-8 Employee stock plan registration Oct 20, 2026 —
S-8 Employee stock plan registration Aug 14, 2026 —
424B5 Prospectus supplement May 8, 2026 —
424B5 Prospectus supplement Apr 23, 2026 —
424B5 Prospectus supplement Apr 20, 2026 —
424B5 Prospectus supplement Feb 13, 2026 —
424B5 Prospectus supplement Feb 10, 2026 —
S-8 Employee stock plan registration Nov 12, 2025 —
424B5 Prospectus supplement Nov 12, 2025 —
S-3ASR Automatic shelf registration Nov 12, 2025 —
S-8 Employee stock plan registration Aug 8, 2025 —
424B5 Prospectus supplement Jul 1, 2025 —
424B5 Prospectus supplement Jun 30, 2025 —
S-3 Shelf registration Mar 28, 2025 —
S-8 Employee stock plan registration Mar 14, 2025 —
424B3 Prospectus Jun 5, 2024 —
S-3 Shelf registration May 28, 2024 —
S-8 Employee stock plan registration Aug 14, 2023 —
S-8 Employee stock plan registration Aug 5, 2022 —
S-8 Employee stock plan registration Aug 18, 2021 —
S-3ASR Automatic shelf registration Mar 12, 2021 —
S-8 Employee stock plan registration Aug 7, 2020 —
S-8 Employee stock plan registration Jun 29, 2018 —
S-8 Employee stock plan registration Jun 15, 2017 —
424B5 Prospectus supplement Oct 19, 2016 —
424B5 Prospectus supplement Oct 17, 2016 —
S-8 Employee stock plan registration Aug 6, 2015 —

Showing 27 filings. 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.

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)

Other Pharmaceutical Preparations companies

Source: SEC EDGAR filings. This is company-reported data, not investment advice.