SEC Form 4 · accession 0001193125-26-279925
NuCana plc · NCNA
Statement of changes in beneficial ownership, as filed. Original on EDGAR ↗
Reporting owner
Jeffrey D. Bloss
Officer — Chief Medical Officer
Period of report
Jun 19, 2026
Accepted (ET)
Jun 23, 2026 · 6:54 pm EDT
Rule 10b5-1 plan
box not checked
Issuer CIK
0001709626
Table I — non-derivative securities
No Table I lines on this filing.
Table II — derivative securities
| Security | Conv. / exercise price | Date | Code | Shares | A/D | Exercisable | Expires | Underlying | Underlying shares | Owned after | D/I |
|---|---|---|---|---|---|---|---|---|---|---|---|
| OptionsF4,F1,F2,F3 | — | Jun 19, 2026 | D | 36,539,720 | D | — | — | Ordinary Shares | 36,539,720 | 109,619,160 | D |
Explanation of responses
- F1D - Partial cancelation of vested options.
- F2The ordinary shares, nominal value 0.000004 Pounds Sterling per share (the "Ordinary Shares"), of NuCana plc (the "Company") underlying these options being canceled were part of a grant of 146,158,880 options that vested as to 25% on June 20, 2026, and had an exercise price of 0.0004 Pounds Sterling per share, with the remaining 109,619,160 to vest in three equal annual installments thereafter, subject to the Reporting Persons's continued service with the Company through the applicable vesting date.
- F3The remaining options will expire on June 20, 2035.
- F4The option was canceled by mutual agreement of the Reporting Person and the Company. The Reporting Person did not receive consideration for the cancellation.