Wellington Biomedical Innovation Master Investors (Cayman) II L.P. (CIK 1903360) reported 2 SEC Form 4 insider transactions across 2 companies over the past 18 months (most recent 2026-05-01). Recent activity: Buy AVLN (1.3M shares), Buy MTSR (1.9M shares). Source: SEC Form 4.
| Date | Company | Role | Type | Shares | Value |
|---|---|---|---|---|---|
| 2026-05-01 | Avalyn Pharma Inc. (AVLN) | Insider | Buy | 1.3M | $0 |
| 2025-02-03 | Metsera, Inc. (MTSR) | Insider | Buy | 1.9M | $0 |
Source: SEC Form 4 filings · as of 2026-05-01