NCNA · CIK 0001709626
NuCana plc (NCNA) SEC Filings
Browse 280 SEC filings for NuCana plc, covering Jun 26, 2017 through Jun 24, 2026, organized by filing purpose with direct links to the original EDGAR documents.
Indexed filings
280
Filed in the last 12 months
33
History covered
2017–2026
Latest filing
4
Latest important filings
Jump directly to the most recent annual, quarterly, and current reports.
Latest annual report
20-F
Annual report for a foreign private issuer · Mar 19, 2026
Open original filingLatest company update
6-K
Foreign issuer report · Jun 8, 2026
Open original filingComplete filing history
Search by form or description, filter by purpose and year, and open the original SEC document.
50 filings
All categories
Search by form or description, filter by purpose and year, and open the original SEC document.
| Form | Description | Period ended | Filed |
|---|---|---|---|
| 4 | Change in insider ownership | Jun 19, 2026 | Jun 24, 2026 |
| 4 | Change in insider ownership | Jun 19, 2026 | Jun 23, 2026 |
| 6-K | Foreign issuer report | Jun 8, 2026 | Jun 8, 2026 |
| 6-K | Foreign issuer report | Jun 1, 2026 | Jun 1, 2026 |
| 6-K | Foreign issuer report | May 14, 2026 | May 14, 2026 |
| 6-K | Foreign issuer report | May 6, 2026 | May 6, 2026 |
| 4 | Change in insider ownership | Apr 15, 2026 | Apr 16, 2026 |
| 3 | Initial insider ownership statement | Mar 18, 2026 | Apr 1, 2026 |
| 3 | Initial insider ownership statement | Mar 18, 2026 | Mar 24, 2026 |
| 3 | Initial insider ownership statement | Mar 18, 2026 | Mar 20, 2026 |
| 3 | Initial insider ownership statement | Mar 18, 2026 | Mar 19, 2026 |
| S-8 | Employee securities registration statement | — | Mar 19, 2026 |
| 20-F | Annual report for a foreign private issuer | Dec 31, 2025 | Mar 19, 2026 |
| 6-K | Foreign issuer report | Mar 19, 2026 | Mar 19, 2026 |
| SCHEDULE 13D | SCHEDULE 13D filing | — | Mar 18, 2026 |
| 3 | Initial insider ownership statement | Mar 18, 2026 | Mar 18, 2026 |
| 3 | Initial insider ownership statement | Mar 18, 2026 | Mar 18, 2026 |
| 3 | Initial insider ownership statement | Mar 18, 2026 | Mar 18, 2026 |
| 3 | Initial insider ownership statement | Mar 18, 2026 | Mar 18, 2026 |
| 3 | Initial insider ownership statement | Mar 18, 2026 | Mar 18, 2026 |
| 6-K | Foreign issuer report | Jan 6, 2026 | Jan 6, 2026 |
| 6-K | Foreign issuer report | Dec 17, 2025 | Dec 17, 2025 |
| 6-K | Foreign issuer report | Dec 10, 2025 | Dec 10, 2025 |
| 6-K | Foreign issuer report | Nov 13, 2025 | Nov 13, 2025 |
| 6-K | Foreign issuer report | Nov 5, 2025 | Nov 5, 2025 |
Page 1 of 2
Recent filing activity
Annual filing counts derived from this company's SEC history.
2026
21 filings
2025
51 filings
2024
25 filings
2023
19 filings
2022
24 filings
2021
28 filings
2020
34 filings
2019
27 filings
Sources and methodology
How this filing index is assembled and checked.
Filing metadata comes from SEC EDGAR submissions. Categories and plain-language labels are generated deterministically from SEC form and item codes; filing content is not summarized on this page.
Index updated: 7/15/2026
For research and education only. Always review the original SEC filing before making a decision.