21 insiders reported 85 Form 4 transactions for Aktis Oncology, Inc. (AKTS) over the past 18 months (most recent 2026-07-21). Recent activity: Herrmann Ken (Director) Buy 3,506 shares, Herrmann Ken (Director) Buy 1,350 shares, Herrmann Ken (Director) Sell 3,506 shares, Herrmann Ken (Director) Sell 1,350 shares, Herrmann Ken (Director) Buy 3,065 shares. Source: SEC Form 4.
| Date | Insider | Title | Type | Shares | Value |
|---|---|---|---|---|---|
| 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 | Ron-Bigger Shulamit | Chief Operating Officer | Sell | 4,200 | $120,740 |
| 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 | Czibere Akos | Chief Medical Officer | Sell | 14,800 | $401,484 |
| 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 | Buy | 50,000 | $183,000 |
| 2026-07-10 | Czibere Akos | Chief Medical Officer | Sell | 4,371 | $125,482 |
| 2026-01-14 | MPM Oncology Innovations Fund GP LLC | Insider | Buy | 1.3M | $0 |
| 2026-01-14 | MPM BIOVENTURES 2018 (B), L.P. | Insider | Buy | 1.3M | $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 GP LLC | 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 |
Source: SEC Form 4 filings · as of 2026-07-21