MPM BIOVENTURES 2018, L.P. (CIK 1729505) reported 5 SEC Form 4 insider transactions across 2 companies over the past 18 months (most recent 2026-01-14). Recent activity: Buy AKTS (1.3M shares), Buy AKTS (5.9M shares), Buy AKTS (1.6M shares), Buy AKTS (1.1M shares), Sell ITOS (630,191 shares). Source: SEC Form 4.
| Date | Company | Role | Type | Shares | Value |
|---|---|---|---|---|---|
| 2026-01-14 | Aktis Oncology, Inc. (AKTS) | Insider | Buy | 1.3M | $0 |
| 2026-01-14 | Aktis Oncology, Inc. (AKTS) | Insider | Buy | 5.9M | $0 |
| 2026-01-14 | Aktis Oncology, Inc. (AKTS) | Insider | Buy | 1.6M | $0 |
| 2026-01-14 | Aktis Oncology, Inc. (AKTS) | Insider | Buy | 1.1M | $20.0M |
| 2025-05-15 | iTeos Therapeutics, Inc. (ITOS) | Insider | Sell | 630,191 | $5.1M |
Source: SEC Form 4 filings · as of 2026-01-14