NuCana plc SEC filings NCNA
NuCana plc has 282 filings in SEC EDGAR's recent list, going back to Jun 26, 2017. Its latest annual report, Form 20-F, was filed on Mar 19, 2026 for the period ended Dec 31, 2025. The most recent current report (Form 6-K) was filed on Sep 30, 2026. The company's fiscal year ends on December 31.
| Form | Description | Filed | Period |
|---|---|---|---|
| 6-K | Current report (foreign issuer) | Sep 30, 2026 | Sep 30, 2026 |
| 6-K | Current report (foreign issuer) | Aug 13, 2026 | Jun 30, 2026 |
| 4 | Insider transaction | Jun 24, 2026 | Jun 19, 2026 |
| 4 | Insider transaction | Jun 23, 2026 | Jun 19, 2026 |
| 6-K | Current report (foreign issuer) | Jun 8, 2026 | Jun 8, 2026 |
| 6-K | Current report (foreign issuer) | Jun 1, 2026 | Jun 1, 2026 |
| 6-K | Current report (foreign issuer) | May 14, 2026 | May 14, 2026 |
| 6-K | Current report (foreign issuer) | May 6, 2026 | May 6, 2026 |
| 4 | Insider transaction | Apr 16, 2026 | Apr 15, 2026 |
| 3 | Initial insider ownership | Apr 1, 2026 | Mar 18, 2026 |
| 3 | Initial insider ownership | Mar 24, 2026 | Mar 18, 2026 |
| 3 | Initial insider ownership | Mar 20, 2026 | Mar 18, 2026 |
| 3 | Initial insider ownership | Mar 19, 2026 | Mar 18, 2026 |
| S-8 | Employee stock plan registration | Mar 19, 2026 | — |
| 20-F | Annual report (foreign issuer) | Mar 19, 2026 | Dec 31, 2025 |
| 6-K | Current report (foreign issuer) | Mar 19, 2026 | Mar 19, 2026 |
| SCHEDULE 13D | Ownership over 5% (active) | Mar 18, 2026 | — |
| 3 | Initial insider ownership | Mar 18, 2026 | Mar 18, 2026 |
| 3 | Initial insider ownership | Mar 18, 2026 | Mar 18, 2026 |
| 3 | Initial insider ownership | Mar 18, 2026 | Mar 18, 2026 |
| 3 | Initial insider ownership | Mar 18, 2026 | Mar 18, 2026 |
| 3 | Initial insider ownership | Mar 18, 2026 | Mar 18, 2026 |
| 6-K | Current report (foreign issuer) | Jan 6, 2026 | Jan 6, 2026 |
| 6-K | Current report (foreign issuer) | Dec 17, 2025 | Dec 17, 2025 |
| 6-K | Current report (foreign issuer) | Dec 10, 2025 | Dec 10, 2025 |
| 6-K | Current report (foreign issuer) | Nov 13, 2025 | Nov 13, 2025 |
| 6-K | Current report (foreign issuer) | Nov 5, 2025 | Nov 5, 2025 |
| 6-K | Current report (foreign issuer) | Oct 20, 2025 | Oct 20, 2025 |
| 6-K | Current report (foreign issuer) | Oct 14, 2025 | Oct 14, 2025 |
| 6-K | Current report (foreign issuer) | Sep 5, 2025 | Sep 5, 2025 |
| 6-K | Current report (foreign issuer) | Sep 3, 2025 | Sep 3, 2025 |
| 6-K | Current report (foreign issuer) | Aug 20, 2025 | Jun 30, 2025 |
| 6-K | Current report (foreign issuer) | Aug 1, 2025 | Aug 1, 2025 |
| 6-K | Current report (foreign issuer) | Jul 21, 2025 | Jul 21, 2025 |
| F-6 POS | Filing | Jul 16, 2025 | — |
| 6-K | Current report (foreign issuer) | Jul 11, 2025 | Jul 11, 2025 |
| 6-K | Current report (foreign issuer) | Jul 9, 2025 | Jul 9, 2025 |
| 6-K | Current report (foreign issuer) | Jun 30, 2025 | Jun 30, 2025 |
| 424B5 | Prospectus supplement | Jun 27, 2025 | — |
| 6-K | Current report (foreign issuer) | Jun 27, 2025 | Jun 27, 2025 |
| EFFECT | Filing | Jun 24, 2025 | — |
| CORRESP | Letter to the SEC | Jun 20, 2025 | — |
| 6-K | Current report (foreign issuer) | Jun 20, 2025 | Jun 20, 2025 |
| F-3/A | Filing | Jun 18, 2025 | — |
| 6-K | Current report (foreign issuer) | Jun 18, 2025 | Jun 18, 2025 |
| UPLOAD | Letter from the SEC | Jun 13, 2025 | — |
| 6-K | Current report (foreign issuer) | Jun 5, 2025 | Jun 5, 2025 |
| 6-K | Current report (foreign issuer) | Jun 2, 2025 | Jun 2, 2025 |
| 424B4 | Prospectus | May 7, 2025 | — |
| EFFECT | Filing | May 5, 2025 | — |
| EFFECT | Filing | May 5, 2025 | — |
| CORRESP | Letter to the SEC | May 5, 2025 | — |
| CORRESP | Letter to the SEC | May 5, 2025 | — |
| F-1/A | Filing | May 2, 2025 | — |
| CORRESP | Letter to the SEC | May 1, 2025 | — |
| CORRESP | Letter to the SEC | May 1, 2025 | — |
| CORRESP | Letter to the SEC | Apr 29, 2025 | — |
| CORRESP | Letter to the SEC | Apr 29, 2025 | — |
| CORRESP | Letter to the SEC | Apr 29, 2025 | — |
| F-1/A | Filing | Apr 29, 2025 | — |
| UPLOAD | Letter from the SEC | Apr 24, 2025 | — |
| F-6 | Filing | Apr 24, 2025 | — |
| DRSLTR | Filing | Apr 24, 2025 | — |
| F-1 | Registration statement (foreign issuer) | Apr 24, 2025 | — |
| 6-K | Current report (foreign issuer) | Apr 23, 2025 | Apr 23, 2025 |
| SCHEDULE 13D/A | Amended ownership over 5% (active) | Apr 18, 2025 | — |
| UPLOAD | Letter from the SEC | Apr 17, 2025 | — |
| DRS | Filing | Apr 4, 2025 | — |
| 20-F | Annual report (foreign issuer) | Mar 20, 2025 | Dec 31, 2024 |
| 6-K | Current report (foreign issuer) | Mar 20, 2025 | Mar 20, 2025 |
| 6-K | Current report (foreign issuer) | Mar 18, 2025 | Mar 18, 2025 |
| SCHEDULE 13D/A | Amended ownership over 5% (active) | Feb 25, 2025 | — |
| SCHEDULE 13D/A | Amended ownership over 5% (active) | Feb 14, 2025 | — |
| 6-K | Current report (foreign issuer) | Feb 10, 2025 | Feb 10, 2025 |
| 6-K | Current report (foreign issuer) | Nov 25, 2024 | Nov 25, 2024 |
| 6-K | Current report (foreign issuer) | Nov 12, 2024 | Nov 12, 2024 |
| SC 13G/A | Amended ownership over 5% (passive) | Oct 4, 2024 | — |
| 424B5 | Prospectus supplement | Oct 1, 2024 | — |
| 6-K | Current report (foreign issuer) | Oct 1, 2024 | Sep 30, 2024 |
| 6-K | Current report (foreign issuer) | Sep 26, 2024 | Sep 26, 2024 |
| 6-K | Current report (foreign issuer) | Sep 16, 2024 | Sep 16, 2024 |
| 6-K | Current report (foreign issuer) | Aug 29, 2024 | Aug 29, 2024 |
| UPLOAD | Letter from the SEC | Aug 19, 2024 | — |
| F-3 | Shelf registration (foreign issuer) | Aug 15, 2024 | — |
| 6-K | Current report (foreign issuer) | Aug 15, 2024 | Jun 30, 2024 |
| 6-K | Current report (foreign issuer) | Jun 18, 2024 | Jun 18, 2024 |
| 6-K | Current report (foreign issuer) | May 16, 2024 | May 16, 2024 |
| 6-K | Current report (foreign issuer) | May 13, 2024 | May 13, 2024 |
| 6-K | Current report (foreign issuer) | May 1, 2024 | May 1, 2024 |
| 6-K | Current report (foreign issuer) | Apr 16, 2024 | Apr 16, 2024 |
| 6-K | Current report (foreign issuer) | Apr 9, 2024 | Apr 9, 2024 |
| F-6 POS | Filing | Mar 27, 2024 | — |
| 424B5 | Prospectus supplement | Mar 27, 2024 | — |
| 6-K | Current report (foreign issuer) | Mar 27, 2024 | Mar 27, 2024 |
| 20-F | Annual report (foreign issuer) | Mar 20, 2024 | Dec 31, 2023 |
| 6-K | Current report (foreign issuer) | Mar 20, 2024 | Mar 20, 2024 |
| SC 13D/A | Amended ownership over 5% (active) | Feb 27, 2024 | — |
| SC 13G/A | Amended ownership over 5% (passive) | Feb 14, 2024 | — |
| SC 13G/A | Amended ownership over 5% (passive) | Jan 26, 2024 | — |
| 6-K | Current report (foreign issuer) | Nov 16, 2023 | Nov 16, 2023 |
| 6-K | Current report (foreign issuer) | Nov 13, 2023 | Nov 13, 2023 |
| 6-K | Current report (foreign issuer) | Oct 16, 2023 | Oct 16, 2023 |
| 6-K | Current report (foreign issuer) | Oct 13, 2023 | Oct 13, 2023 |
| 6-K | Current report (foreign issuer) | Sep 18, 2023 | Sep 18, 2023 |
| 6-K | Current report (foreign issuer) | Aug 16, 2023 | Jun 30, 2023 |
| 6-K | Current report (foreign issuer) | Jun 16, 2023 | Jun 16, 2023 |
| 6-K | Current report (foreign issuer) | May 17, 2023 | May 17, 2023 |
| 6-K | Current report (foreign issuer) | May 15, 2023 | May 15, 2023 |
| 6-K | Current report (foreign issuer) | May 12, 2023 | May 12, 2023 |
| 6-K | Current report (foreign issuer) | Apr 14, 2023 | Apr 14, 2023 |
| 20-F | Annual report (foreign issuer) | Apr 4, 2023 | Dec 31, 2022 |
| 6-K | Current report (foreign issuer) | Apr 4, 2023 | Apr 4, 2023 |
| 6-K | Current report (foreign issuer) | Mar 24, 2023 | Mar 24, 2023 |
| SC 13G/A | Amended ownership over 5% (passive) | Feb 13, 2023 | — |
| SC 13G/A | Amended ownership over 5% (passive) | Feb 13, 2023 | — |
| SC 13G/A | Amended ownership over 5% (passive) | Jan 23, 2023 | — |
| 6-K | Current report (foreign issuer) | Jan 23, 2023 | Jan 23, 2023 |
| 6-K | Current report (foreign issuer) | Jan 6, 2023 | Jan 6, 2023 |
| 6-K | Current report (foreign issuer) | Nov 16, 2022 | Nov 16, 2022 |
| 6-K | Current report (foreign issuer) | Oct 26, 2022 | Oct 26, 2022 |
| 6-K | Current report (foreign issuer) | Sep 12, 2022 | Sep 12, 2022 |
| 6-K | Current report (foreign issuer) | Sep 12, 2022 | Sep 12, 2022 |
| 6-K | Current report (foreign issuer) | Sep 6, 2022 | Sep 6, 2022 |
| 6-K | Current report (foreign issuer) | Aug 17, 2022 | Jun 30, 2022 |
| SC 13D/A | Amended ownership over 5% (active) | Aug 11, 2022 | — |
| 6-K | Current report (foreign issuer) | Jul 27, 2022 | Jul 27, 2022 |
| 6-K | Current report (foreign issuer) | Jul 11, 2022 | Jul 11, 2022 |
| 6-K | Current report (foreign issuer) | Jun 23, 2022 | Jun 23, 2022 |
| 6-K | Current report (foreign issuer) | Jun 10, 2022 | Jun 10, 2022 |
| 6-K | Current report (foreign issuer) | Jun 3, 2022 | Jun 3, 2022 |
| 6-K | Current report (foreign issuer) | Jun 2, 2022 | Jun 2, 2022 |
| 6-K | Current report (foreign issuer) | May 23, 2022 | May 23, 2022 |
| 20-F | Annual report (foreign issuer) | Apr 27, 2022 | Dec 31, 2021 |
| 6-K | Current report (foreign issuer) | Apr 27, 2022 | Apr 27, 2022 |
| 6-K | Current report (foreign issuer) | Mar 8, 2022 | Mar 8, 2022 |
| 6-K | Current report (foreign issuer) | Mar 2, 2022 | Mar 2, 2022 |
| SC 13D/A | Amended ownership over 5% (active) | Feb 28, 2022 | — |
| 6-K | Current report (foreign issuer) | Feb 22, 2022 | Feb 22, 2022 |
| SC 13G/A | Amended ownership over 5% (passive) | Feb 11, 2022 | — |
| SC 13G/A | Amended ownership over 5% (passive) | Feb 11, 2022 | — |
| SC 13G/A | Amended ownership over 5% (passive) | Feb 11, 2022 | — |
| SC 13G/A | Amended ownership over 5% (passive) | Jan 27, 2022 | — |
| 6-K | Current report (foreign issuer) | Nov 18, 2021 | Sep 30, 2021 |
| 6-K | Current report (foreign issuer) | Nov 1, 2021 | Nov 1, 2021 |
| 6-K | Current report (foreign issuer) | Sep 29, 2021 | Sep 29, 2021 |
| 6-K | Current report (foreign issuer) | Sep 16, 2021 | Sep 16, 2021 |
| 6-K | Current report (foreign issuer) | Sep 15, 2021 | Sep 15, 2021 |
| EFFECT | Filing | Aug 27, 2021 | — |
| CORRESP | Letter to the SEC | Aug 25, 2021 | — |
| UPLOAD | Letter from the SEC | Aug 25, 2021 | — |
| F-3 | Shelf registration (foreign issuer) | Aug 19, 2021 | — |
| 6-K | Current report (foreign issuer) | Aug 19, 2021 | Jun 30, 2021 |
| 6-K | Current report (foreign issuer) | Aug 10, 2021 | Aug 10, 2021 |
| 6-K | Current report (foreign issuer) | Jun 25, 2021 | Jun 25, 2021 |
| SC 13D/A | Amended ownership over 5% (active) | Jun 15, 2021 | — |
| 6-K | Current report (foreign issuer) | May 24, 2021 | May 24, 2021 |
| 6-K | Current report (foreign issuer) | May 19, 2021 | Mar 31, 2021 |
| 6-K | Current report (foreign issuer) | Apr 19, 2021 | Apr 19, 2021 |
| 6-K | Current report (foreign issuer) | Apr 12, 2021 | Apr 12, 2021 |
| SC 13G/A | Amended ownership over 5% (passive) | Mar 8, 2021 | — |
| 20-F | Annual report (foreign issuer) | Mar 4, 2021 | Dec 31, 2020 |
| 6-K | Current report (foreign issuer) | Mar 4, 2021 | Mar 4, 2021 |
| SC 13G/A | Amended ownership over 5% (passive) | Feb 26, 2021 | — |
| SC 13G/A | Amended ownership over 5% (passive) | Feb 16, 2021 | — |
| SC 13G/A | Amended ownership over 5% (passive) | Feb 16, 2021 | — |
| SC 13G/A | Amended ownership over 5% (passive) | Feb 12, 2021 | — |
| SC 13G/A | Amended ownership over 5% (passive) | Feb 12, 2021 | — |
| SC 13D/A | Amended ownership over 5% (active) | Feb 2, 2021 | — |
| SC 13G | Ownership over 5% (passive) | Jan 28, 2021 | — |
| 6-K | Current report (foreign issuer) | Jan 15, 2021 | Jan 15, 2021 |
| 6-K | Current report (foreign issuer) | Dec 22, 2020 | Dec 22, 2020 |
| 6-K | Current report (foreign issuer) | Nov 30, 2020 | Nov 30, 2020 |
| 6-K | Current report (foreign issuer) | Nov 19, 2020 | Sep 30, 2020 |
| SC 13D/A | Amended ownership over 5% (active) | Oct 28, 2020 | — |
| 6-K | Current report (foreign issuer) | Oct 13, 2020 | Oct 13, 2020 |
| SC 13D/A | Amended ownership over 5% (active) | Oct 5, 2020 | — |
| SC 13D | Ownership over 5% (active) | Sep 28, 2020 | — |
| 6-K | Current report (foreign issuer) | Sep 21, 2020 | Sep 21, 2020 |
| 6-K | Current report (foreign issuer) | Sep 18, 2020 | Sep 18, 2020 |
| 424B5 | Prospectus supplement | Sep 17, 2020 | — |
| 6-K | Current report (foreign issuer) | Sep 16, 2020 | Sep 16, 2020 |
| 424B5 | Prospectus supplement | Sep 16, 2020 | — |
| S-8 | Employee stock plan registration | Aug 19, 2020 | — |
| 6-K | Current report (foreign issuer) | Aug 19, 2020 | Jun 30, 2020 |
| 6-K | Current report (foreign issuer) | Jun 26, 2020 | Jun 26, 2020 |
| SC 13G/A | Amended ownership over 5% (passive) | Jun 11, 2020 | — |
| 6-K | Current report (foreign issuer) | Jun 2, 2020 | Jun 2, 2020 |
| 6-K | Current report (foreign issuer) | May 19, 2020 | Mar 31, 2020 |
| 6-K | Current report (foreign issuer) | May 18, 2020 | May 18, 2020 |
| 6-K | Current report (foreign issuer) | May 15, 2020 | May 15, 2020 |
| 6-K | Current report (foreign issuer) | May 5, 2020 | May 5, 2020 |
| 6-K | Current report (foreign issuer) | Apr 2, 2020 | Apr 2, 2020 |
| 20-F | Annual report (foreign issuer) | Mar 10, 2020 | Dec 31, 2019 |
| 6-K | Current report (foreign issuer) | Mar 10, 2020 | Mar 10, 2020 |
| SC 13G/A | Amended ownership over 5% (passive) | Mar 10, 2020 | — |
| 6-K | Current report (foreign issuer) | Mar 4, 2020 | Mar 4, 2020 |
| SC 13G/A | Amended ownership over 5% (passive) | Feb 14, 2020 | — |
| SC 13G | Ownership over 5% (passive) | Feb 14, 2020 | — |
| SC 13G/A | Amended ownership over 5% (passive) | Feb 14, 2020 | — |
| SC 13G | Ownership over 5% (passive) | Feb 14, 2020 | — |
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.
New to this? Read What Are SEC Filings? 10-K, 10-Q, 8-K and Other Forms Explained.
Company profile
- Industry
- Pharmaceutical Preparations (SIC 2834)
- Listed as
- NCNA (Nasdaq)
- Fiscal year ends
- December 31
- Incorporated in
- United Kingdom
- Headquarters
- Edinburgh, United Kingdom
- SEC filer status
- Non-accelerated filer
- SEC CIK
- 1709626
- Former names
- NuCana BioMed Ltd (until Aug 4, 2017)
Other Pharmaceutical Preparations companies
- ELI LILLY & Co LLY
- Johnson & Johnson JNJ
- AbbVie Inc. ABBV
- Merck & Co., Inc. MRK
- Novartis AG NVS
- Astrazeneca PLC AZN
- Abbott Laboratories ABT
- Novo Nordisk A S NVO
Source: SEC EDGAR filings. This is company-reported data, not investment advice.