18 insiders reported 71 Form 4 transactions for Aktis Oncology, Inc. (AKTS) over the past 18 months (most recent 2026-01-14). Recent activity: MPM Oncology Innovations Fund GP LLC (Insider) Buy 1.3M shares, MPM ONCOLOGY INNOVATIONS FUND LP (Insider) Buy 1.6M shares, MPM ONCOLOGY INNOVATIONS FUND LP (Insider) Buy 1.3M shares, MPM BIOVENTURES 2018, L.P. (Insider) Buy 1.3M shares, EVNIN LUKE (Insider) Buy 1.3M shares. Source: SEC Form 4.
| Date | Insider | Title | Type | Shares | Value |
|---|---|---|---|---|---|
| 2026-01-14 | MPM Oncology Innovations Fund GP LLC | Insider | Buy | 1.3M | $0 |
| 2026-01-14 | MPM ONCOLOGY INNOVATIONS FUND LP | Insider | Buy | 1.6M | $0 |
| 2026-01-14 | MPM ONCOLOGY INNOVATIONS FUND LP | Insider | Buy | 1.3M | $0 |
| 2026-01-14 | MPM BIOVENTURES 2018, L.P. | Insider | Buy | 1.3M | $0 |
| 2026-01-14 | EVNIN LUKE | Insider | Buy | 1.3M | $0 |
| 2026-01-14 | MPM BioVentures 2018 LLC | Insider | Buy | 1.3M | $0 |
| 2026-01-14 | MPM ASSET MANAGEMENT INVESTORS BV2018 LLC | Insider | Buy | 1.3M | $0 |
| 2026-01-14 | MPM BIOVENTURES 2018 (B), L.P. | Insider | Buy | 1.3M | $0 |
| 2026-01-14 | MPM BIOVENTURES 2018, L.P. | Insider | Buy | 5.9M | $0 |
| 2026-01-14 | EVNIN LUKE | Insider | Buy | 5.9M | $0 |
| 2026-01-14 | MPM BioVentures 2018 LLC | Insider | Buy | 5.9M | $0 |
| 2026-01-14 | MPM BIOVENTURES 2018 (B), L.P. | Insider | Buy | 5.9M | $0 |
| 2026-01-14 | MPM BioVentures 2018 GP LLC | Insider | Buy | 5.9M | $0 |
| 2026-01-14 | MPM Oncology Innovations Fund GP LLC | Insider | Buy | 5.9M | $0 |
| 2026-01-14 | MPM ASSET MANAGEMENT INVESTORS BV2018 LLC | Insider | Buy | 5.9M | $0 |
| 2026-01-14 | MPM ONCOLOGY INNOVATIONS FUND LP | Insider | Buy | 5.9M | $0 |
| 2026-01-14 | MPM BioVentures 2018 LLC | Insider | Buy | 1.6M | $0 |
| 2026-01-14 | MPM BIOVENTURES 2018 (B), L.P. | Insider | Buy | 1.6M | $0 |
| 2026-01-14 | MPM BioVentures 2018 GP LLC | Insider | Buy | 1.6M | $0 |
| 2026-01-14 | MPM BioVentures 2018 LLC | Insider | Buy | 1.1M | $20.0M |
| 2026-01-14 | MPM ASSET MANAGEMENT INVESTORS BV2018 LLC | Insider | Buy | 1.6M | $0 |
| 2026-01-14 | MPM Oncology Innovations Fund GP LLC | Insider | Buy | 1.6M | $0 |
| 2026-01-14 | MPM BIOVENTURES 2018, L.P. | Insider | Buy | 1.6M | $0 |
| 2026-01-14 | EVNIN LUKE | Insider | Buy | 1.6M | $0 |
| 2026-01-14 | MPM BioVentures 2018 GP LLC | Insider | Buy | 1.3M | $0 |
Source: SEC Form 4 filings · as of 2026-01-14