Guerrero Ramiro (CIK 1913253) reported 4 SEC Form 4 insider transactions across 1 companies over the past 18 months (most recent 2025-05-12). Recent activity: Buy MAIA (20,000 shares), Buy MAIA (33,333 shares), Buy MAIA (73,333 shares), Buy MAIA (73,333 shares). Source: SEC Form 4.
| Date | Company | Role | Type | Shares | Value |
|---|---|---|---|---|---|
| 2025-05-12 | MAIA Biotechnology, Inc. (MAIA) | Director | Buy | 20,000 | $30,000 |
| 2025-03-05 | MAIA Biotechnology, Inc. (MAIA) | Director | Buy | 33,333 | $50,000 |
| 2025-03-05 | MAIA Biotechnology, Inc. (MAIA) | Director | Buy | 73,333 | $110,000 |
| 2025-02-25 | MAIA Biotechnology, Inc. (MAIA) | Director | Buy | 73,333 | $110,000 |
Source: SEC Form 4 filings · as of 2025-05-12