List of insiders holdings for NuCana plc:
- Shares directly owned by the insider.
- Shares indirectly owned by the insider.
- Total shares owned by the insider (sum of shares directly and indirectly owned).
- Total market value if available.
- Shares are not adjusted for stock split.
"Insiders might sell their shares for any number of reasons, but they buy them for only one: they think the price will rise"
- Peter Lynch
What is insider trading>>
- Peter Lynch
What is insider trading>>
| # | Insider Holder Name | Report Date Time | Shares Owned Directly Indirectly | Total Shares Owned | Filing |
| 1 | Griffith Hugh Chief Executive Officer | 2026-03-18 18:39:36 | 2,829,961,890 0 | 2,829,961,890 | Form 13D |
| 2 | Bloss Jeffrey D. Chief Medical Officer | 2026-03-19 17:52:36 | 643,848,920 0 | 643,848,920 | Form 3 |
| 3 | Harrison David James Head of Translational Medicine | 2026-03-24 16:20:53 | 283,984,182 0 | 283,984,182 | Form 3 |
| 4 | Kay Andrew Martin Director | 2026-03-18 17:36:55 | 233,164,144 0 | 233,164,144 | Form 3 |
| 5 | Webster Ian Alexander See Remarks | 2026-03-18 17:39:28 | 218,591,385 0 | 218,591,385 | Form 3 |
| 6 | Mellish Martin C.B. Director | 2026-03-20 16:13:38 | 155,189,139 0 | 155,189,139 | Form 3 |
| 7 | Leperlier Cyrille Director | 2026-03-18 17:35:03 | 144,579,884 0 | 144,579,884 | Form 3 |
| 8 | Bruce Theresa Margaret Ms Chief Operating Officer | 2026-03-18 17:27:42 | 110,279,188 0 | 110,279,188 | Form 3 |