Company: NCNA
Filing Date: 2025-06-18
Form Type: 6-K
Source: 0001193125-25-142535
Chunk: 5

Company: NuCana plc
Filing Date: 2025-06-18
Form: 6-K
Chunk 5
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 forward-looking statements speak only as of the date they were made, and, except to the extent
required by law, the Company undertakes no obligation to update or review any estimate, projection, or forward-looking statement.

SIGNATURES Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned, thereto duly authorized.

| NuCana plc |     |                         |
| By:        |     | /s/ Hugh S. Griffith    |
| Name:      |     | Hugh S. Griffith        |
| Title:     |     | Chief Executive Officer |

Date: June 18, 2025