NELSEN ROBERT (CIK 1219042) reported 13 SEC Form 4 insider transactions across 6 companies over the past 18 months (most recent 2026-07-06). Recent activity: Buy BOLD (16,000 shares), Sell BOLD (16,000 shares), Buy KARD (1.2M shares), Buy KARD (13.8M shares), Buy LYEL (488,090 shares). Source: SEC Form 4.
| Date | Company | Role | Type | Shares | Value |
|---|---|---|---|---|---|
| 2026-07-06 | Boundless Bio, Inc. (BOLD) | Insider | Buy | 16,000 | $16,480 |
| 2026-07-06 | Boundless Bio, Inc. (BOLD) | Insider | Sell | 16,000 | $39,840 |
| 2026-06-24 | Kardigan, Inc. (KARD) | Director | Buy | 1.2M | $20.0M |
| 2026-06-22 | Kardigan, Inc. (KARD) | Insider | Buy | 13.8M | $0 |
| 2026-03-09 | Lyell Immunopharma, Inc. (LYEL) | Insider | Buy | 488,090 | $12.5M |
| 2025-11-14 | Metsera, Inc. (MTSR) | Director | Sell | 18.5M | $0 |
| 2025-11-14 | Metsera, Inc. (MTSR) | Director | Sell | 8.3M | $0 |
| 2025-10-29 | Neumora Therapeutics, Inc. (NMRA) | Insider | Buy | 1.9M | $5.0M |
| 2025-08-01 | Prime Medicine, Inc. (PRME) | Director | Buy | 3.0M | $10.0M |
| 2025-02-03 | Metsera, Inc. (MTSR) | Insider | Buy | 16.0M | $0 |
| 2025-02-03 | Metsera, Inc. (MTSR) | Insider | Buy | 7.5M | $0 |
| 2025-02-03 | Metsera, Inc. (MTSR) | Insider | Buy | 1.4M | $25.8M |
| 2025-02-03 | Metsera, Inc. (MTSR) | Insider | Buy | 789,998 | $14.2M |
Source: SEC Form 4 filings · as of 2026-07-06