UNITED STATES
SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549
FORM 6-K
REPORT OF FOREIGN PRIVATE ISSUER
PURSUANT TO RULE 13a-16 OR 15d-16
OF THE SECURITIES EXCHANGE ACT OF 1934
For the month of October 2025
(Commission File No. 001-38215)
NUCANA PLC
(Translation of registrant’s name into English)
3 Lochside Way
Edinburgh EH12 9DT
United Kingdom
(Address of registrant’s principal executive office)
Indicate by check mark whether the registrant files or will file annual reports under cover Form 20-F or Form 40-F.
Form 20-F ☒ Form 40-F ☐
Indicate by check mark if the registrant is submitting the Form 6-K in paper as permitted by Regulation S-T Rule 101 (b) (1): ☐
Indicate by check mark if the registrant is submitting the Form 6-K in paper as permitted by Regulation S-T Rule 101 (b) (7): ☐
Other Events
On October 14, 2025, NuCana plc (the “Company”) issued a press release announcing the publication of new data from the NuTide:303 clinical study of NUC-3373 in medRxiv, the preprint server for health sciences, together with complementary preclinical findings published in the peer-reviewed journal Public Library of Science ONE (PLOS ONE). The press release is attached as Exhibit 99.1 hereto and is incorporated by reference herein.
The information in the attached Exhibit 99.1 is being furnished and shall not be deemed “filed” for the purposes of Section 18 of the Securities Exchange Act of 1934, as amended (the “Exchange Act”), or otherwise subject to the liabilities of that Section, nor shall it be deemed incorporated by reference in any filing made by the Company under the Securities Act of 1933, as amended, or the Exchange Act, except as otherwise set forth herein or as shall be expressly set forth by specific reference in such a filing.
| Exhibits | ||
| 99.1 | Press Release, dated October 14, 2025 | |
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, thereunto duly authorized.
| NuCana plc | ||
| By: | /s/ Ian Webster | |
| Name: | Ian Webster | |
| Title: | Interim Chief Financial Officer | |
| (Principal Financial and Accounting Officer) | ||
Date: October 14, 2025