BVF Partners OS Ltd. (CIK 1660684) reported 38 SEC Form 4 insider transactions across 7 companies over the past 18 months (most recent 2026-07-16). Recent activity: Sell XOMA (3.6M shares), Sell XOMA (2.8M shares), Sell XOMA (412,000 shares), Sell XOMA (772,000 shares), Sell KYMR (837,914 shares). Source: SEC Form 4.
| Date | Company | Role | Type | Shares | Value |
|---|---|---|---|---|---|
| 2026-07-16 | XOMA Royalty Corp (XOMA) | Insider | Sell | 3.6M | $0 |
| 2026-07-16 | XOMA Royalty Corp (XOMA) | Insider | Sell | 2.8M | $0 |
| 2026-07-16 | XOMA Royalty Corp (XOMA) | Insider | Sell | 412,000 | $0 |
| 2026-07-16 | XOMA Royalty Corp (XOMA) | Insider | Sell | 772,000 | $0 |
| 2026-06-26 | Kymera Therapeutics, Inc. (KYMR) | Director | Sell | 837,914 | $89.2M |
| 2026-06-26 | Kymera Therapeutics, Inc. (KYMR) | Director | Sell | 627,597 | $66.8M |
| 2026-06-26 | Kymera Therapeutics, Inc. (KYMR) | Director | Sell | 113,289 | $12.1M |
| 2026-06-26 | Kymera Therapeutics, Inc. (KYMR) | Director | Sell | 51,858 | $5.5M |
| 2026-05-18 | XOMA Royalty Corp (XOMA) | Insider | Buy | 2.3M | $9.3M |
| 2026-05-18 | XOMA Royalty Corp (XOMA) | Insider | Buy | 1.5M | $6.1M |
| 2026-05-18 | XOMA Royalty Corp (XOMA) | Insider | Buy | 412,000 | $1.7M |
| 2026-05-18 | XOMA Royalty Corp (XOMA) | Insider | Buy | 772,000 | $3.1M |
| 2026-04-02 | MoonLake Immunotherapeutics (MLTX) | Director | Sell | 1.9M | $32.4M |
| 2026-04-02 | MoonLake Immunotherapeutics (MLTX) | Director | Sell | 1.6M | $26.3M |
| 2026-04-02 | MoonLake Immunotherapeutics (MLTX) | Director | Sell | 248,530 | $4.2M |
| 2026-01-30 | Repare Therapeutics Inc. (RPTX) | Insider | Sell | 5.3M | $0 |
| 2026-01-30 | Repare Therapeutics Inc. (RPTX) | Insider | Sell | 4.3M | $0 |
| 2026-01-30 | Repare Therapeutics Inc. (RPTX) | Insider | Sell | 548,938 | $0 |
| 2025-10-14 | ESSA Pharma Inc. (EPIX) | Insider | Sell | 6.2M | $0 |
| 2025-10-14 | ESSA Pharma Inc. (EPIX) | Insider | Sell | 4.7M | $0 |
| 2025-10-14 | ESSA Pharma Inc. (EPIX) | Insider | Sell | 560,797 | $0 |
| 2025-08-07 | ESSA Pharma Inc. (EPIX) | Insider | Buy | 1.5M | $0 |
| 2025-08-07 | ESSA Pharma Inc. (EPIX) | Insider | Buy | 1.2M | $0 |
| 2025-08-07 | ESSA Pharma Inc. (EPIX) | Insider | Buy | 203,336 | $0 |
| 2025-08-07 | ESSA Pharma Inc. (EPIX) | Insider | Sell | 79 | $149 |
Source: SEC Form 4 filings · as of 2026-07-16