7 insiders reported 35 Form 4 transactions for MAIA Biotechnology, Inc. (MAIA) over the past 18 months (most recent 2026-06-02). Recent activity: Smith Stan (Director) Buy 75,000 shares, Gryaznov Sergei (Chief Scientific Officer) Buy 2,000 shares, Vitoc Vlad (Chief Executive Officer) Buy 72,700 shares, Smith Stan (Director) Buy 2,700 shares, Smith Stan (Director) Buy 20,000 shares. Source: SEC Form 4.
| Date | Insider | Title | Type | Shares | Value |
|---|---|---|---|---|---|
| 2026-06-02 | Smith Stan | Director | Buy | 75,000 | $100,200 |
| 2026-06-02 | Gryaznov Sergei | Chief Scientific Officer | Buy | 2,000 | $2,690 |
| 2026-06-02 | Vitoc Vlad | Chief Executive Officer | Buy | 72,700 | $100,886 |
| 2026-01-12 | Smith Stan | Director | Buy | 2,700 | $9,963 |
| 2026-01-12 | Smith Stan | Director | Buy | 20,000 | $0 |
| 2025-12-23 | Smith Stan | Director | Buy | 57,189 | $69,771 |
| 2025-12-23 | CHAOUKI STEVEN M | Director | Buy | 40,849 | $49,836 |
| 2025-12-23 | Louie Ngar Yee | Director | Buy | 81,699 | $99,673 |
| 2025-12-09 | Smith Stan | Director | Buy | 4,580 | $5,496 |
| 2025-12-09 | Smith Stan | Director | Buy | 4,580 | $5,450 |
| 2025-12-09 | Smith Stan | Director | Buy | 4,580 | $5,496 |
| 2025-12-04 | Vitoc Vlad | Chief Executive Officer | Buy | 22,000 | $23,100 |
| 2025-12-04 | Vitoc Vlad | Chief Executive Officer | Buy | 10,500 | $10,185 |
| 2025-12-04 | Vitoc Vlad | Chief Executive Officer | Buy | 50,000 | $57,000 |
| 2025-12-01 | Luput Cristian | Director | Buy | 20,000 | $21,600 |
| 2025-12-01 | Luput Cristian | Director | Buy | 18,145 | $20,141 |
| 2025-12-01 | Vitoc Vlad | Chief Executive Officer | Buy | 50,000 | $57,000 |
| 2025-12-01 | Vitoc Vlad | Chief Executive Officer | Buy | 22,000 | $23,100 |
| 2025-12-01 | Smith Stan | Director | Buy | 15,000 | $15,600 |
| 2025-11-28 | Vitoc Vlad | Chief Executive Officer | Buy | 10,500 | $10,185 |
| 2025-11-28 | Luput Cristian | Director | Buy | 10,000 | $9,800 |
| 2025-11-26 | Smith Stan | Director | Buy | 10,000 | $9,900 |
| 2025-11-26 | Smith Stan | Director | Buy | 15,000 | $14,700 |
| 2025-11-25 | Vitoc Vlad | Chief Executive Officer | Buy | 1,800 | $1,656 |
| 2025-11-25 | Vitoc Vlad | Chief Executive Officer | Buy | 10,000 | $9,900 |
Source: SEC Form 4 filings · as of 2026-06-02