Guerrero Ramiro (CIK 1913253) reported 7 SEC Form 4 insider transactions across 1 companies over the past 18 months (most recent 2026-09-14). Recent activity: Buy MAIA (37,595 shares), Buy MAIA (8,931 shares), Buy MAIA (78,239 shares), Buy MAIA (46,620 shares), Buy MAIA (1,794 shares). Source: SEC Form 4.
| Date | Company | Role | Type | Shares | Value |
|---|---|---|---|---|---|
| 2026-09-14 | MAIA Biotechnology, Inc. (MAIA) | Director | Buy | 37,595 | $49,516 |
| 2026-09-01 | MAIA Biotechnology, Inc. (MAIA) | Director | Buy | 8,931 | $12,414 |
| 2026-09-01 | MAIA Biotechnology, Inc. (MAIA) | Director | Buy | 78,239 | $108,752 |
| 2026-09-01 | MAIA Biotechnology, Inc. (MAIA) | Director | Buy | 46,620 | $62,937 |
| 2026-08-26 | MAIA Biotechnology, Inc. (MAIA) | Director | Buy | 1,794 | $2,386 |
| 2026-08-24 | MAIA Biotechnology, Inc. (MAIA) | Director | Buy | 11,899 | $16,302 |
| 2025-05-12 | MAIA Biotechnology, Inc. (MAIA) | Director | Buy | 20,000 | $30,000 |
来源：SEC Form 4 申报文件 · 截至 2026-09-14