ARCH Venture Fund XIII, L.P. (CIK 2006772) reported 9 SEC Form 4 insider transactions across 3 companies over the past 18 months (most recent 2026-06-24). Recent activity: Buy KARD (1.2M shares), Buy KARD (13.8M shares), Buy LYEL (488,090 shares), Sell MTSR (18.5M shares), Sell MTSR (8.3M shares). Source: SEC Form 4.
| Date | Company | Role | Type | Shares | Value |
|---|---|---|---|---|---|
| 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 |
| 2025-02-03 | 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 2026-06-24