| SC 13G | 2021-01-28 | BAILLIE GIFFORD & CO | NuCana plc | 3,319,330 | 6.5% | EDGAR |
| SC 13D/A | 2020-10-28 | SOFINNOVA CAPITAL VI FCPR | NuCana plc | 6,314,812 | 13.0% | EDGAR |
| SC 13D/A | 2020-10-05 | Sofinnova Venture Partners VIII, L.P. | NuCana plc | 5,777,777 | 12.0% | EDGAR |
| SC 13D | 2020-09-28 | Abingworth LLP | NuCana plc | 3,333,333 | 6.6% | EDGAR |
| SC 13G/A | 2020-06-11 | Scottish Enterprise | NuCana plc | 1,876,665 | 5.7% | EDGAR |
| SC 13G/A | 2020-03-10 | Capital International Investors | NuCana plc | 3,372,153 | 10.5% | EDGAR |
| SC 13G/A | 2020-02-14 | WOOD CHRISTOPHER B | NuCana plc | 1,949,374 | 5.9% | EDGAR |
| SC 13G/A | 2020-02-14 | Griffith Hugh | NuCana plc | 3,208,652 | 9.3% | EDGAR |
| SC 13G/A | 2020-02-14 | Capital Research Global Investors | NuCana plc | 3,218,520 | 9.9% | EDGAR |
| SC 13G | 2020-02-14 | HARVARD MANAGEMENT CO INC | NuCana plc | 2,911,111 | 9.0% | EDGAR |
| SC 13G | 2020-02-14 | Capital International Investors | NuCana plc | 2,629,677 | 8.1% | EDGAR |
| SC 13D/A | 2020-02-12 | SOFINNOVA CAPITAL VI FCPR | NuCana plc | 6,817,550 | 21.2% | EDGAR |
| SC 13G/A | 2020-01-16 | Morningside Venture Investments Ltd | NuCana plc | 0 | 0.0% | EDGAR |
| SC 13G/A | 2019-09-09 | Woodford Investment Management Ltd | NuCana plc | 1,538,000 | 4.8% | EDGAR |
| SC 13G/A | 2019-05-24 | Morningside Venture Investments Ltd | NuCana plc | 2,911,111 | 9.0% | EDGAR |
| SC 13G/A | 2019-04-15 | Woodford Investment Management Ltd | NuCana plc | 3,230,999 | 10.0% | EDGAR |
| SC 13G/A | 2019-03-22 | Morningside Venture Investments Ltd | NuCana plc | 2,911,111 | 9.0% | EDGAR |
| SC 13D/A | 2019-02-14 | SOFINNOVA CAPITAL VI FCPR | NuCana plc | 7,233,795 | 22.4% | EDGAR |
| SC 13G/A | 2019-02-14 | SMALLCAP WORLD FUND INC | NuCana plc | 2,542,628 | 7.9% | EDGAR |
| SC 13G/A | 2019-02-14 | WOOD CHRISTOPHER B | NuCana plc | 1,949,374 | 5.9% | EDGAR |