Nkarta, Inc. SEC filings NKTX
Nkarta, Inc. has 438 filings in SEC EDGAR's recent list, going back to Sep 6, 2019. Its latest annual report, Form ARS, was filed on Apr 23, 2026 for the period ended Dec 31, 2025. The latest quarterly report (Form 10-Q) was filed on Nov 5, 2026, covering the quarter ended Sep 30, 2026. The most recent current report (Form 8-K) was filed on Nov 5, 2026 (results of operations). The company's fiscal year ends on December 31.
| Form | Description | Filed | Period |
|---|---|---|---|
| 4 | Insider transaction | Jun 22, 2026 | Jun 18, 2026 |
| 4 | Insider transaction | Jun 11, 2026 | Jun 10, 2026 |
| 4 | Insider transaction | Jun 11, 2026 | Jun 10, 2026 |
| 4 | Insider transaction | Jun 11, 2026 | Jun 10, 2026 |
| 4 | Insider transaction | Jun 11, 2026 | Jun 10, 2026 |
| 4 | Insider transaction | Jun 11, 2026 | Jun 10, 2026 |
| 4 | Insider transaction | Jun 11, 2026 | Jun 10, 2026 |
| 4 | Insider transaction | Jun 11, 2026 | Jun 10, 2026 |
| 4 | Insider transaction | Jun 11, 2026 | Jun 10, 2026 |
| SCHEDULE 13D/A | Amended ownership over 5% (active) | May 19, 2026 | — |
| SCHEDULE 13G/A | Amended ownership over 5% (passive) | Feb 17, 2026 | — |
| 4 | Insider transaction | Jan 20, 2026 | Jan 15, 2026 |
| 4 | Insider transaction | Jan 20, 2026 | Jan 15, 2026 |
| 4 | Insider transaction | Jan 8, 2026 | Jan 6, 2026 |
| 4 | Insider transaction | Jan 8, 2026 | Jan 6, 2026 |
| 4 | Insider transaction | Jan 8, 2026 | Jan 6, 2026 |
| SCHEDULE 13D/A | Amended ownership over 5% (active) | Nov 24, 2025 | — |
| SCHEDULE 13G/A | Amended ownership over 5% (passive) | Nov 14, 2025 | — |
| SCHEDULE 13G/A | Amended ownership over 5% (passive) | Oct 17, 2025 | — |
| 4 | Insider transaction | Jun 25, 2025 | Jun 23, 2025 |
| 3 | Initial insider ownership | Jun 25, 2025 | Jun 23, 2025 |
| 4 | Insider transaction | Jun 20, 2025 | Jun 18, 2025 |
| 4 | Insider transaction | Jun 9, 2025 | Jun 5, 2025 |
| 4 | Insider transaction | Jun 9, 2025 | Jun 5, 2025 |
| 4 | Insider transaction | Jun 9, 2025 | Jun 5, 2025 |
| 4 | Insider transaction | Jun 9, 2025 | Jun 5, 2025 |
| 4 | Insider transaction | Jun 9, 2025 | Jun 5, 2025 |
| 4 | Insider transaction | Jun 9, 2025 | Jun 5, 2025 |
| 4 | Insider transaction | Jun 9, 2025 | Jun 5, 2025 |
| 4 | Insider transaction | Jun 9, 2025 | Jun 5, 2025 |
| 4 | Insider transaction | Jun 9, 2025 | Jun 5, 2025 |
| 4 | Insider transaction | Jun 9, 2025 | Jun 5, 2025 |
| SCHEDULE 13G/A | Amended ownership over 5% (passive) | Feb 14, 2025 | — |
| SCHEDULE 13D/A | Amended ownership over 5% (active) | Feb 12, 2025 | — |
| SCHEDULE 13G/A | Amended ownership over 5% (passive) | Feb 12, 2025 | — |
| SCHEDULE 13G | Ownership over 5% (passive) | Jan 27, 2025 | — |
| 4 | Insider transaction | Jan 17, 2025 | Jan 15, 2025 |
| 4 | Insider transaction | Jan 17, 2025 | Jan 15, 2025 |
| 4 | Insider transaction | Jan 17, 2025 | Jan 15, 2025 |
| 4 | Insider transaction | Jan 17, 2025 | Jan 15, 2025 |
| 4 | Insider transaction | Jan 17, 2025 | Jan 15, 2025 |
| 4 | Insider transaction | Jan 7, 2025 | Jan 3, 2025 |
| 4 | Insider transaction | Jan 7, 2025 | Jan 3, 2025 |
| 4 | Insider transaction | Jan 7, 2025 | Jan 3, 2025 |
| 4 | Insider transaction | Jan 7, 2025 | Jan 3, 2025 |
| 4 | Insider transaction | Jan 7, 2025 | Jan 3, 2025 |
| 4 | Insider transaction | Jan 7, 2025 | Jan 3, 2025 |
| SC 13G | Ownership over 5% (passive) | Dec 13, 2024 | — |
| SC 13G/A | Amended ownership over 5% (passive) | Nov 14, 2024 | — |
| SC 13G/A | Amended ownership over 5% (passive) | Nov 14, 2024 | — |
| SC 13G/A | Amended ownership over 5% (passive) | Nov 12, 2024 | — |
| SC 13G | Ownership over 5% (passive) | Nov 8, 2024 | — |
| SC 13G/A | Amended ownership over 5% (passive) | Oct 25, 2024 | — |
| SC 13G | Ownership over 5% (passive) | Oct 24, 2024 | — |
| 4 | Insider transaction | Aug 23, 2024 | Aug 21, 2024 |
| 4 | Insider transaction | Jul 31, 2024 | Jul 29, 2024 |
| 3 | Initial insider ownership | Jul 31, 2024 | Jul 29, 2024 |
| 4 | Insider transaction | Jul 31, 2024 | Jul 15, 2024 |
| 4 | Insider transaction | Jul 18, 2024 | Jul 16, 2024 |
| 144 | Notice of proposed sale | Jul 16, 2024 | — |
| 4 | Insider transaction | Jun 20, 2024 | Jun 18, 2024 |
| 4 | Insider transaction | Jun 20, 2024 | Jun 18, 2024 |
| 4 | Insider transaction | Jun 20, 2024 | Jun 18, 2024 |
| 4 | Insider transaction | Jun 20, 2024 | Jun 18, 2024 |
| 4 | Insider transaction | Jun 20, 2024 | Jun 18, 2024 |
| 4 | Insider transaction | Jun 14, 2024 | Jun 13, 2024 |
| 4 | Insider transaction | Jun 14, 2024 | Jun 13, 2024 |
| 4 | Insider transaction | Jun 14, 2024 | Jun 13, 2024 |
| 4 | Insider transaction | Jun 14, 2024 | Jun 13, 2024 |
| 4 | Insider transaction | Jun 14, 2024 | Jun 13, 2024 |
| 4 | Insider transaction | Jun 14, 2024 | Jun 13, 2024 |
| 4 | Insider transaction | Jun 14, 2024 | Jun 13, 2024 |
| 4 | Insider transaction | Jun 14, 2024 | Jun 13, 2024 |
| 3 | Initial insider ownership | Jun 14, 2024 | Jun 13, 2024 |
| SC 13G/A | Amended ownership over 5% (passive) | Apr 5, 2024 | — |
| SC 13D/A | Amended ownership over 5% (active) | Mar 29, 2024 | — |
| 4 | Insider transaction | Mar 29, 2024 | Mar 27, 2024 |
| SC 13D/A | Amended ownership over 5% (active) | Mar 29, 2024 | — |
| SC 13D/A | Amended ownership over 5% (active) | Mar 28, 2024 | — |
| SC 13D/A | Amended ownership over 5% (active) | Mar 28, 2024 | — |
| 4 | Insider transaction | Mar 28, 2024 | Mar 27, 2024 |
| 4 | Insider transaction | Mar 5, 2024 | Mar 1, 2024 |
| 4 | Insider transaction | Mar 5, 2024 | Mar 1, 2024 |
| 144 | Notice of proposed sale | Mar 4, 2024 | — |
| 144 | Notice of proposed sale | Mar 1, 2024 | — |
| 144 | Notice of proposed sale | Mar 1, 2024 | — |
| 4 | Insider transaction | Feb 14, 2024 | Feb 12, 2024 |
| 144 | Notice of proposed sale | Feb 12, 2024 | — |
| SC 13D/A | Amended ownership over 5% (active) | Feb 9, 2024 | — |
| SC 13G/A | Amended ownership over 5% (passive) | Feb 7, 2024 | — |
| SC 13G/A | Amended ownership over 5% (passive) | Jan 31, 2024 | — |
| 4 | Insider transaction | Jan 18, 2024 | Jan 16, 2024 |
| 4 | Insider transaction | Jan 18, 2024 | Jan 16, 2024 |
| 4 | Insider transaction | Jan 18, 2024 | Jan 16, 2024 |
| 4 | Insider transaction | Jan 18, 2024 | Jan 16, 2024 |
| 4 | Insider transaction | Jan 18, 2024 | Jan 16, 2024 |
| SC 13G | Ownership over 5% (passive) | Jan 18, 2024 | — |
| 4 | Insider transaction | Jan 8, 2024 | Jan 4, 2024 |
| 4 | Insider transaction | Jan 8, 2024 | Jan 4, 2024 |
| 4 | Insider transaction | Jan 8, 2024 | Jan 4, 2024 |
| 4 | Insider transaction | Jan 8, 2024 | Jan 4, 2024 |
| 4 | Insider transaction | Jan 8, 2024 | Jan 4, 2024 |
| 4 | Insider transaction | Jan 8, 2024 | Jan 4, 2024 |
| SC 13G/A | Amended ownership over 5% (passive) | Nov 13, 2023 | — |
| SC 13G | Ownership over 5% (passive) | Nov 3, 2023 | — |
| SC 13G | Ownership over 5% (passive) | Oct 27, 2023 | — |
| SC 13G | Ownership over 5% (passive) | Oct 26, 2023 | — |
| SC 13G/A | Amended ownership over 5% (passive) | Oct 10, 2023 | — |
| 4 | Insider transaction | Aug 23, 2023 | Aug 21, 2023 |
| 4 | Insider transaction | Jul 5, 2023 | Jul 1, 2023 |
| 3 | Initial insider ownership | Jul 5, 2023 | Jul 1, 2023 |
| 4 | Insider transaction | Jul 5, 2023 | Jul 1, 2023 |
| 4 | Insider transaction | Jun 22, 2023 | Jun 20, 2023 |
| 4 | Insider transaction | Jun 22, 2023 | Jun 20, 2023 |
| 4 | Insider transaction | Jun 22, 2023 | Jun 20, 2023 |
| 4 | Insider transaction | Jun 22, 2023 | Jun 20, 2023 |
| 4 | Insider transaction | Jun 22, 2023 | Jun 20, 2023 |
| 4 | Insider transaction | Jun 22, 2023 | Jun 20, 2023 |
| 4 | Insider transaction | Jun 9, 2023 | Jun 7, 2023 |
| 4 | Insider transaction | Jun 9, 2023 | Jun 7, 2023 |
| 4 | Insider transaction | Jun 9, 2023 | Jun 7, 2023 |
| 4 | Insider transaction | Jun 9, 2023 | Jun 7, 2023 |
| 4 | Insider transaction | Jun 9, 2023 | Jun 7, 2023 |
| 4 | Insider transaction | Jun 9, 2023 | Jun 7, 2023 |
| 4 | Insider transaction | Jun 9, 2023 | Jun 7, 2023 |
| 4 | Insider transaction | Jun 9, 2023 | Jun 7, 2023 |
| SC 13G/A | Amended ownership over 5% (passive) | May 10, 2023 | — |
| SC 13D/A | Amended ownership over 5% (active) | Feb 14, 2023 | — |
| SC 13G/A | Amended ownership over 5% (passive) | Feb 14, 2023 | — |
| SC 13G/A | Amended ownership over 5% (passive) | Feb 10, 2023 | — |
| SC 13G | Ownership over 5% (passive) | Feb 10, 2023 | — |
| SC 13G | Ownership over 5% (passive) | Feb 9, 2023 | — |
| SC 13G | Ownership over 5% (passive) | Feb 3, 2023 | — |
| 4 | Insider transaction | Jan 18, 2023 | Jan 13, 2023 |
| 4 | Insider transaction | Jan 18, 2023 | Jan 13, 2023 |
| 4 | Insider transaction | Jan 18, 2023 | Jan 13, 2023 |
| 4 | Insider transaction | Jan 18, 2023 | Jan 13, 2023 |
| 4 | Insider transaction | Jan 18, 2023 | Jan 13, 2023 |
| 4 | Insider transaction | Jan 18, 2023 | Jan 13, 2023 |
| 3 | Initial insider ownership | Jan 10, 2023 | Jan 1, 2023 |
| 4 | Insider transaction | Oct 7, 2022 | Oct 6, 2022 |
| 4 | Insider transaction | Sep 30, 2022 | Sep 28, 2022 |
| 4 | Insider transaction | Sep 22, 2022 | Sep 21, 2022 |
| 4 | Insider transaction | Aug 17, 2022 | Aug 15, 2022 |
| 4 | Insider transaction | Aug 17, 2022 | Aug 15, 2022 |
| 4 | Insider transaction | Aug 17, 2022 | Aug 15, 2022 |
| 4 | Insider transaction | Aug 10, 2022 | Aug 8, 2022 |
| 4 | Insider transaction | Aug 10, 2022 | Aug 8, 2022 |
| 4 | Insider transaction | Jul 26, 2022 | Jul 25, 2022 |
| 4 | Insider transaction | Jul 26, 2022 | Jul 25, 2022 |
| 4 | Insider transaction | Jul 18, 2022 | Jul 15, 2022 |
| 4 | Insider transaction | Jun 21, 2022 | Jun 17, 2022 |
| 4 | Insider transaction | Jun 21, 2022 | Jun 17, 2022 |
| 4 | Insider transaction | Jun 21, 2022 | Jun 17, 2022 |
| 4 | Insider transaction | Jun 21, 2022 | Jun 17, 2022 |
| 4 | Insider transaction | Jun 21, 2022 | Jun 17, 2022 |
| 4 | Insider transaction | Jun 10, 2022 | Jun 8, 2022 |
| 4 | Insider transaction | Jun 10, 2022 | Jun 8, 2022 |
| 4 | Insider transaction | Jun 10, 2022 | Jun 8, 2022 |
| 4 | Insider transaction | Jun 10, 2022 | Jun 8, 2022 |
| 4 | Insider transaction | Jun 10, 2022 | Jun 8, 2022 |
| 4 | Insider transaction | Jun 10, 2022 | Jun 8, 2022 |
| 4 | Insider transaction | Jun 10, 2022 | Jun 8, 2022 |
| 4 | Insider transaction | Jun 10, 2022 | Jun 8, 2022 |
| 4 | Insider transaction | Jun 10, 2022 | Jun 8, 2022 |
| 4 | Insider transaction | Jun 10, 2022 | Jun 8, 2022 |
| 4 | Insider transaction | Jun 7, 2022 | Jun 3, 2022 |
| SC 13D/A | Amended ownership over 5% (active) | Jun 3, 2022 | — |
| SC 13D/A | Amended ownership over 5% (active) | May 13, 2022 | — |
| SC 13D/A | Amended ownership over 5% (active) | May 5, 2022 | — |
| SC 13D/A | Amended ownership over 5% (active) | May 2, 2022 | — |
| SC 13D/A | Amended ownership over 5% (active) | May 2, 2022 | — |
| 4 | Insider transaction | Apr 29, 2022 | Apr 28, 2022 |
| 4 | Insider transaction | Apr 28, 2022 | Feb 14, 2022 |
| 4 | Insider transaction | Mar 29, 2022 | Mar 28, 2022 |
| 3 | Initial insider ownership | Mar 29, 2022 | Mar 28, 2022 |
| SC 13G | Ownership over 5% (passive) | Feb 18, 2022 | — |
| SC 13G/A | Amended ownership over 5% (passive) | Feb 14, 2022 | — |
| 4 | Insider transaction | Jan 19, 2022 | Jan 14, 2022 |
| 4 | Insider transaction | Jan 19, 2022 | Jan 14, 2022 |
| 4 | Insider transaction | Jan 19, 2022 | Jan 14, 2022 |
| 4 | Insider transaction | Jan 19, 2022 | Jan 14, 2022 |
| 4 | Insider transaction | Jan 19, 2022 | Jan 14, 2022 |
| 4 | Insider transaction | Jan 19, 2022 | Jan 14, 2022 |
| 4 | Insider transaction | Dec 3, 2021 | Dec 1, 2021 |
| SC 13D/A | Amended ownership over 5% (active) | Nov 22, 2021 | — |
| 4 | Insider transaction | Oct 1, 2021 | Sep 29, 2021 |
| 4 | Insider transaction | Sep 2, 2021 | Sep 1, 2021 |
| 4 | Insider transaction | Aug 9, 2021 | Aug 5, 2021 |
| 4 | Insider transaction | Aug 4, 2021 | Aug 2, 2021 |
| SC 13G/A | Amended ownership over 5% (passive) | Jul 12, 2021 | — |
| 4 | Insider transaction | Jul 6, 2021 | Jul 1, 2021 |
| 4 | Insider transaction | Jun 23, 2021 | Jun 21, 2021 |
| 4 | Insider transaction | Jun 17, 2021 | Jun 16, 2021 |
| 4 | Insider transaction | Jun 15, 2021 | Jun 13, 2021 |
| 4 | Insider transaction | Jun 15, 2021 | Jun 13, 2021 |
| 4 | Insider transaction | Jun 15, 2021 | Jun 13, 2021 |
| 4 | Insider transaction | Jun 15, 2021 | Jun 13, 2021 |
| 4 | Insider transaction | Jun 15, 2021 | Jun 13, 2021 |
| 4 | Insider transaction | Jun 15, 2021 | Jun 13, 2021 |
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
- NKTX (Nasdaq)
- Fiscal year ends
- December 31
- Incorporated in
- DE
- Headquarters
- South San Francisco, CA
- SEC filer status
- Non-accelerated filer, Smaller reporting company
- SEC CIK
- 1787400
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Source: SEC EDGAR filings. This is company-reported data, not investment advice.