Companies / Aktis Oncology, Inc. / Activity
Activity — Aktis Oncology, Inc.
52 moves.
Top impactInsider · CEO movesInsider · biggest buysInsider · biggest sellsInstitution · biggest movesInstitution · new positions
| Date | Actor | Action | Security | Value | Shares Δ | Position after | Impact |
|---|---|---|---|---|---|---|---|
| Jan 12, 2026 | EcoR1 Capital, LLC Director | Buy | Common Stock | $37.40M | +2.1M +91.50% | 4,348,658 7.87% of shares | high |
| Jan 12, 2026 | Mpm Bioventures 2018, L.P. 10% owner | Buy | Common Stock | $20.03M | +1.1M +12.17% | 10,260,064 18.56% of shares | high |
| Jan 12, 2026 | Gadicke Ansbert 10% owner | Buy | Common Stock | $20.03M | +1.1M +12.17% | 10,260,064 18.56% of shares | high |
| Jan 12, 2026 | Vida Ventures II, LLC 10% owner | Buy | Common Stock | $14.62M | +812K +16.72% | 5,671,825 10.26% of shares | high |
| Jan 12, 2026 | Kim Helen Susan Director | Buy | Common Stock | $14.62M | +812K +16.72% | 5,671,825 10.26% of shares | high |
| Jan 12, 2026 | Foley Todd Director | Buy | Common Stock | $4.19M | +233K +5.82% | 4,235,403 7.66% of shares | high |
| Jan 12, 2026 | EcoR1 Capital, LLC Director | Buy | Common Stock | $2.60M | +144K +71.20% | 347,305 0.63% of shares | high |
| Jan 12, 2026 | Vida Ventures II, LLC 10% owner | Buy | Common Stock | $405.8K | +23K +16.72% | 157,387 0.28% of shares | medium |
| Jan 12, 2026 | Kim Helen Susan Director | Buy | Common Stock | $405.8K | +23K +16.72% | 157,387 0.28% of shares | medium |
| Jan 12, 2026 | Mpm Bioventures 2018, L.P. 10% owner | Other | Series B Redeemable Convertible Preferred Stock | — | -6.0M -100.00% | 0 0.00% of shares | low |
| Jan 12, 2026 | Mpm Bioventures 2018, L.P. 10% owner | Other | Series A Redeemable Convertible Preferred Stock | — | -22.5M -100.00% | 0 0.00% of shares | low |
| Jan 12, 2026 | Mpm Bioventures 2018, L.P. 10% owner | Other | Series Seed Redeemable Convertible Preferred Stock | — | -5.0M -100.00% | 0 0.00% of shares | low |
| Jan 12, 2026 | Mpm Bioventures 2018, L.P. 10% owner | Other | Common Stock | — | +1.6M +20.83% | 9,147,287 16.55% of shares | low |
| Jan 12, 2026 | Mpm Bioventures 2018, L.P. 10% owner | Other | Common Stock | — | +5.9M +357.14% | 7,570,168 13.69% of shares | low |
| Jan 12, 2026 | Mpm Bioventures 2018, L.P. 10% owner | Other | Common Stock | — | +1.3M +384.61% | 1,655,971 3.00% of shares | low |
| Jan 12, 2026 | Vida Ventures II, LLC 10% owner | Other | Series B Redeemable Convertible Preferred Stock | — | -101K -100.00% | 0 0.00% of shares | low |
| Jan 12, 2026 | Vida Ventures II, LLC 10% owner | Other | Series B Redeemable Convertible Preferred Stock | — | -3.6M -100.00% | 0 0.00% of shares | low |
| Jan 12, 2026 | Vida Ventures II, LLC 10% owner | Other | Series A Redeemable Convertible Preferred Stock | — | -412K -100.00% | 0 0.00% of shares | low |
| Jan 12, 2026 | Vida Ventures II, LLC 10% owner | Other | Series A Redeemable Convertible Preferred Stock | — | -14.8M -100.00% | 0 0.00% of shares | low |
| Jan 12, 2026 | Vida Ventures II, LLC 10% owner | Other | Common Stock | — | +135K | 134,842 0.24% of shares | low |
| Jan 12, 2026 | Vida Ventures II, LLC 10% owner | Other | Common Stock | — | +4.9M | 4,859,370 8.79% of shares | low |
| Jan 12, 2026 | EcoR1 Capital, LLC Director | Other | Class A Common Stock | — | +86K | 86,222 0.16% of shares | low |
| Jan 12, 2026 | EcoR1 Capital, LLC Director | Other | Class A Common Stock | — | +965K | 965,190 1.75% of shares | low |
| Jan 12, 2026 | EcoR1 Capital, LLC Director | Other | Series B Redeemable Convertible Preferred Stock | — | -103K -100.00% | 0 0.00% of shares | low |
| Jan 12, 2026 | EcoR1 Capital, LLC Director | Other | Series B Redeemable Convertible Preferred Stock | — | -2.4M -100.00% | 0 0.00% of shares | low |
| Jan 12, 2026 | EcoR1 Capital, LLC Director | Other | Series A Redeemable Convertible Preferred Stock | — | -489K -100.00% | 0 0.00% of shares | low |
| Jan 12, 2026 | EcoR1 Capital, LLC Director | Other | Series A Redeemable Convertible Preferred Stock | — | -997K -100.00% | 0 0.00% of shares | low |
| Jan 12, 2026 | EcoR1 Capital, LLC Director | Other | Series A Redeemable Convertible Preferred Stock | — | -9.9M -100.00% | 0 0.00% of shares | low |
| Jan 12, 2026 | EcoR1 Capital, LLC Director | Other | Common Stock | — | +129K | 128,506 0.23% of shares | low |
| Jan 12, 2026 | EcoR1 Capital, LLC Director | Other | Common Stock | — | +203K | 202,862 0.37% of shares | low |
| Jan 12, 2026 | EcoR1 Capital, LLC Director | Other | Common Stock | — | +2.3M | 2,270,879 4.11% of shares | low |
| Jan 12, 2026 | Segal Lloyd Mitchell Director | Other | Series B Redeemable Convertible Preferred Stock | — | -25K -100.00% | 0 0.00% of shares | low |
| Jan 12, 2026 | Segal Lloyd Mitchell Director | Other | Series A Redeemable Convertible Preferred Stock | — | -50K -100.00% | 0 0.00% of shares | low |
| Jan 12, 2026 | Segal Lloyd Mitchell Director | Other | Common Stock | — | +20K | 19,631 0.04% of shares | low |
| Jan 12, 2026 | Foley Todd Director | Other | Series B Redeemable Convertible Preferred Stock | — | -2.7M -100.00% | 0 0.00% of shares | low |
| Jan 12, 2026 | Foley Todd Director | Other | Series A Redeemable Convertible Preferred Stock | — | -10.2M -100.00% | 0 0.00% of shares | low |
| Jan 12, 2026 | Foley Todd Director | Other | Series Seed Redeemable Convertible Preferred Stock | — | -2.3M -100.00% | 0 0.00% of shares | low |
| Jan 12, 2026 | Foley Todd Director | Other | Common Stock | — | +717K +21.82% | 4,002,533 7.24% of shares | low |
| Jan 12, 2026 | Foley Todd Director | Other | Common Stock | — | +2.7M +450.00% | 3,285,661 5.94% of shares | low |
| Jan 12, 2026 | Foley Todd Director | Other | Common Stock | — | +597K | 597,391 1.08% of shares | low |
| Jan 12, 2026 | Kim Helen Susan Director | Other | Series B Redeemable Convertible Preferred Stock | — | -101K -100.00% | 0 0.00% of shares | low |
| Jan 12, 2026 | Kim Helen Susan Director | Other | Series B Redeemable Convertible Preferred Stock | — | -3.6M -100.00% | 0 0.00% of shares | low |
| Jan 12, 2026 | Kim Helen Susan Director | Other | Series A Redeemable Convertible Preferred Stock | — | -412K -100.00% | 0 0.00% of shares | low |
| Jan 12, 2026 | Kim Helen Susan Director | Other | Series A Redeemable Convertible Preferred Stock | — | -14.8M -100.00% | 0 0.00% of shares | low |
| Jan 12, 2026 | Kim Helen Susan Director | Other | Common Stock | — | +135K | 134,842 0.24% of shares | low |
| Jan 12, 2026 | Kim Helen Susan Director | Other | Common Stock | — | +4.9M | 4,859,370 8.79% of shares | low |
| Jan 12, 2026 | Gadicke Ansbert 10% owner | Other | Series B Redeemable Convertible Preferred Stock | — | -6.0M -100.00% | 0 0.00% of shares | low |
| Jan 12, 2026 | Gadicke Ansbert 10% owner | Other | Series A Redeemable Convertible Preferred Stock | — | -22.5M -100.00% | 0 0.00% of shares | low |
| Jan 12, 2026 | Gadicke Ansbert 10% owner | Other | Series Seed Redeemable Convertible Preferred Stock | — | -5.0M -100.00% | 0 0.00% of shares | low |
| Jan 12, 2026 | Gadicke Ansbert 10% owner | Other | Common Stock | — | +1.6M +20.83% | 9,147,287 16.55% of shares | low |