Company: NCNA
Filing Date: 2025-06-27
Form Type: 6-K
Source: 0001193125-25-151430
Chunk: 1

Company: NuCana plc
Filing Date: 2025-06-27
Form: 6-K
Chunk 1
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 Cancellation Payments”) until such time as no Series A Warrants remain outstanding. As of June 26, 2025, Series A Warrants exercisable to purchase up to 59,481,105 ADSs remain outstanding. Each Warrant Cancellation Payment, which will be equal to 70% of the net proceeds from the ATM offering during the periods specified in the Letter Agreements and will be paid to each Warrant Holder on a pro rata basis based on each Warrant Holder’s initial purchase of Series A Warrants. Net proceeds mean the gross proceeds from the ATM offering, less the commissions payable to the sales agents, the reimbursement of expenses payable to the sales agents, and our expenses related to the ATM offering. In consideration of the Warrant Cancellation Payment, the Warrant Holder’s number of Warrant Shares (as defined in the Series A Warrants) would be reduced by a number of shares, obtained by dividing the Warrant Cancellation Payment by $0.06 and the corresponding Series A Warrants shall be cancelled by the Company and shall no longer remain outstanding. The Letter Agreements will terminate upon the earlier of (i) the date that no Series A Warrants remain outstanding and (ii) December 31, 2025. However, prior to cancellation, the Warrant Holders may still exercise the Series A Warrants pursuant to the terms thereof. The foregoing description of the Letter Agreements is not complete and is qualified in its entirety by reference to the full text of the Form of Letter Agreement, a copy of which is attached hereto as Exhibit 10.1, and is incorporated herein by reference. Termination of Sales Agreement As previously disclosed, in August 2021, we entered into an “at-the-market”(ATM) sales agreement with Jefferies LLC (the “Jefferies Sales Agreement”), pursuant to which we were entitled to sell up to an aggregate of $100.0 million, from time to time through Jefferies LLC acting as our agent in “at-the-marketofferings” as defined in Rule 415 of the Securities Act of 1933, as amended. On June 26, 2025, pursuant to and in accordance with Section 7 of the Jefferies Sales Agreement, we notified Jefferies LLC that we are terminating the Jefferies Sales Agreement, effective June 27, 2025. We are not subject to any termination penalties or other expenses related to the termination of the Jefferies Sales Agreement. The foregoing