Burow Kristina (CIK 1569248) reported 26 SEC Form 4 insider transactions across 7 companies over the past 18 months (most recent 2026-07-06). Recent activity: Sell SRRK (2,105 shares), Buy BOLD (16,000 shares), Sell SRRK (948 shares), Sell BOLD (16,000 shares), Buy KARD (1.2M shares). Source: SEC Form 4.
| Date | Company | Role | Type | Shares | Value |
|---|---|---|---|---|---|
| 2026-07-06 | Scholar Rock Holding Corp (SRRK) | Director | Sell | 2,105 | $112,605 |
| 2026-07-06 | Boundless Bio, Inc. (BOLD) | Insider | Buy | 16,000 | $16,480 |
| 2026-07-06 | Scholar Rock Holding Corp (SRRK) | Director | Sell | 948 | $51,459 |
| 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 |
| 2026-06-08 | Scholar Rock Holding Corp (SRRK) | Director | Buy | 6,839 | $0 |
| 2026-04-24 | Scholar Rock Holding Corp (SRRK) | Director | Buy | 7,800 | $208,884 |
| 2026-04-24 | Scholar Rock Holding Corp (SRRK) | Director | Buy | 28,000 | $133,000 |
| 2026-04-24 | Scholar Rock Holding Corp (SRRK) | Director | Buy | 36,000 | $327,960 |
| 2026-04-24 | Scholar Rock Holding Corp (SRRK) | Director | Buy | 18,000 | $150,480 |
| 2026-03-09 | Lyell Immunopharma, Inc. (LYEL) | Insider | Buy | 488,090 | $12.5M |
| 2025-11-13 | Metsera, Inc. (MTSR) | Director | Sell | 2,688 | $0 |
| 2025-11-13 | Metsera, Inc. (MTSR) | Director | Sell | 17.1M | $0 |
| 2025-11-13 | Metsera, Inc. (MTSR) | Director | Sell | 18.5M | $0 |
| 2025-11-13 | Metsera, Inc. (MTSR) | Director | Sell | 7.5M | $0 |
| 2025-11-13 | Metsera, Inc. (MTSR) | Director | Sell | 8.3M | $0 |
| 2025-10-29 | Neumora Therapeutics, Inc. (NMRA) | Director | Buy | 1.9M | $5.0M |
| 2025-08-01 | Prime Medicine, Inc. (PRME) | Insider | Buy | 3.0M | $10.0M |
| 2025-05-30 | Scholar Rock Holding Corp (SRRK) | Director | Sell | 1,000 | $29,240 |
| 2025-05-30 | Scholar Rock Holding Corp (SRRK) | Director | Sell | 4,400 | $131,252 |
| 2025-05-23 | Scholar Rock Holding Corp (SRRK) | Director | Buy | 7,632 | $0 |
| 2025-02-03 | Metsera, Inc. (MTSR) | Director | Buy | 16.0M | $0 |
| 2025-02-03 | Metsera, Inc. (MTSR) | Director | Buy | 1.4M | $25.8M |
| 2025-02-03 | Metsera, Inc. (MTSR) | Director | Buy | 7.5M | $0 |
Source: SEC Form 4 filings · as of 2026-07-06