21 insiders reported 88 Form 4 transactions for Aktis Oncology, Inc. (AKTS) over the past 18 months (most recent 2026-09-24). Recent activity: Czibere Akos (Chief Medical Officer) Buy 12,500 shares, Czibere Akos (Chief Medical Officer) Sell 5,099 shares, Czibere Akos (Chief Medical Officer) Sell 7,401 shares, Herrmann Ken (Director) Buy 3,506 shares, Herrmann Ken (Director) Buy 1,350 shares. Source: SEC Form 4.
| Date | Insider | Title | Type | Shares | Value |
|---|---|---|---|---|---|
| 2026-09-24 | Czibere Akos | Chief Medical Officer | Buy | 12,500 | $61,875 |
| 2026-09-24 | Czibere Akos | Chief Medical Officer | Sell | 5,099 | $102,973 |
| 2026-09-24 | Czibere Akos | Chief Medical Officer | Sell | 7,401 | $155,648 |
| 2026-07-21 | Herrmann Ken | Director | Buy | 3,506 | $280 |
| 2026-07-21 | Herrmann Ken | Director | Buy | 1,350 | $2,578 |
| 2026-07-21 | Herrmann Ken | Director | Sell | 3,506 | $86,115 |
| 2026-07-21 | Herrmann Ken | Director | Sell | 1,350 | $33,159 |
| 2026-07-20 | Herrmann Ken | Director | Buy | 3,065 | $245 |
| 2026-07-20 | Herrmann Ken | Director | Sell | 3,065 | $77,259 |
| 2026-07-10 | Czibere Akos | Chief Medical Officer | Sell | 14,800 | $401,484 |
| 2026-07-10 | Czibere Akos | Chief Medical Officer | Buy | 50,000 | $247,500 |
| 2026-07-10 | Ron-Bigger Shulamit | Chief Operating Officer | Sell | 15,800 | $428,681 |
| 2026-07-10 | Ron-Bigger Shulamit | Chief Operating Officer | Buy | 50,000 | $183,000 |
| 2026-07-10 | Ron-Bigger Shulamit | Chief Operating Officer | Sell | 30,000 | $838,137 |
| 2026-07-10 | Czibere Akos | Chief Medical Officer | Sell | 30,829 | $861,735 |
| 2026-07-10 | Ron-Bigger Shulamit | Chief Operating Officer | Sell | 4,200 | $120,740 |
| 2026-07-10 | Czibere Akos | Chief Medical Officer | Sell | 4,371 | $125,482 |
| 2026-01-14 | EVNIN LUKE | 10% Owner | Buy | 1.3M | $0 |
| 2026-01-14 | MPM ONCOLOGY INNOVATIONS FUND LP | 10% Owner | Buy | 1.3M | $0 |
| 2026-01-14 | MPM BIOVENTURES 2018 (B), L.P. | 10% Owner | Buy | 1.3M | $0 |
| 2026-01-14 | MPM BIOVENTURES 2018, L.P. | 10% Owner | Buy | 1.3M | $0 |
| 2026-01-14 | MPM ASSET MANAGEMENT INVESTORS BV2018 LLC | 10% Owner | Buy | 1.3M | $0 |
| 2026-01-14 | MPM BioVentures 2018 GP LLC | 10% Owner | Buy | 1.3M | $0 |
| 2026-01-14 | MPM BioVentures 2018 LLC | 10% Owner | Buy | 1.3M | $0 |
| 2026-01-14 | MPM Oncology Innovations Fund GP LLC | 10% Owner | Buy | 1.3M | $0 |
Source: SEC Form 4 filings · as of 2026-09-24