Atlas Venture Fund XI, L.P. (CIK 1708269) reported 3 SEC Form 4 insider transactions across 1 companies over the past 18 months (most recent 2025-02-10). Recent activity: Buy SION (2.9M shares), Buy SION (747,727 shares), Buy SION (60,000 shares). Source: SEC Form 4.
| Date | Company | Role | Type | Shares | Value |
|---|---|---|---|---|---|
| 2025-02-10 | Sionna Therapeutics, Inc. (SION) | Insider | Buy | 2.9M | $0 |
| 2025-02-10 | Sionna Therapeutics, Inc. (SION) | Insider | Buy | 747,727 | $0 |
| 2025-02-10 | Sionna Therapeutics, Inc. (SION) | Insider | Buy | 60,000 | $1.1M |
Source: SEC Form 4 filings · as of 2025-02-10