MAIA Biotechnology, Inc. — Insider Transactions
Form 4 filings by directors, officers, and 10%+ shareholders
SEC rules require corporate insiders — including directors, executive officers, and any shareholder owning more than 10% of a company's shares — to report changes in their ownership within two business days of a transaction. These disclosures are filed as Form 4. Open-market purchases (code P) are generally considered the most meaningful signal, as insiders are spending their own money.
| Insider | Title | Type | Shares | Price | Value | Owns After | Date |
|---|---|---|---|---|---|---|---|
| Smith Stan | — | Purchase | 57,189 | $1.22 | $69,771 | 1,421,478 | Dec 22, 2025 |
| CHAOUKI STEVEN M | — | Purchase | 40,849 | $1.22 | $49,836 | 151,873 | Dec 22, 2025 |
| Louie Ngar Yee | — | Purchase | 81,699 | $1.22 | $99,673 | 1,248,888 | Dec 22, 2025 |
| Smith Stan | — | Purchase | 4,580 | $1.19 | $5,450 | 4,580 | Dec 5, 2025 |
| Luput Cristian | — | Purchase | 20,000 | $1.08 | $21,600 | 419,483 | Nov 28, 2025 |
| Vitoc Vlad | Chief Executive Officer | Purchase | 50,000 | $1.14 | $57,000 | 903,421 | Nov 26, 2025 |
| Vitoc Vlad | Chief Executive Officer | Purchase | 50,000 | $1.14 | $57,000 | 881,421 | Nov 26, 2025 |
| Smith Stan | — | Purchase | 15,000 | $1.04 | $15,600 | 1,364,289 | Nov 26, 2025 |
| Vitoc Vlad | Chief Executive Officer | Purchase | 10,500 | $0.97 | $10,185 | 831,421 | Nov 25, 2025 |
| Luput Cristian | — | Purchase | 10,000 | $0.98 | $9,800 | 399,483 | Nov 25, 2025 |
| Vitoc Vlad | Chief Executive Officer | Purchase | 10,500 | $0.97 | $10,185 | 831,421 | Nov 25, 2025 |
| Smith Stan | — | Purchase | 15,000 | $0.98 | $14,700 | 1,349,289 | Nov 24, 2025 |
| Vitoc Vlad | Chief Executive Officer | Purchase | 10,000 | $0.99 | $9,900 | 820,921 | Nov 21, 2025 |
| Smith Stan | — | Purchase | 19,230 | $1.30 | $24,999 | 1,324,289 | Oct 1, 2025 |
| Smith Stan | — | Purchase | 33,333 | $1.50 | $50,000 | 1,305,059 | Jun 3, 2025 |
| Guerrero Ramiro | — | Purchase | 20,000 | $1.50 | $30,000 | 588,218 | May 8, 2025 |
| Smith Stan | — | Purchase | 66,666 | $1.50 | $99,999 | 1,271,726 | May 8, 2025 |
| Guerrero Ramiro | — | Purchase | 33,333 | $1.50 | $50,000 | 568,218 | Mar 3, 2025 |
| Smith Stan | — | Purchase | 25,000 | $1.50 | $37,500 | 1,205,060 | Mar 3, 2025 |
| Smith Stan | — | Purchase | 50,000 | $1.50 | $75,000 | 1,180,060 | Feb 24, 2025 |
| Guerrero Ramiro | — | Purchase | 73,333 | $1.50 | $110,000 | 534,885 | Feb 24, 2025 |
| Guerrero Ramiro | — | Purchase | 73,333 | $1.50 | $110,000 | 534,885 | Feb 24, 2025 |
| Smith Stan | — | Purchase | 50,000 | $1.50 | $75,000 | 1,180,060 | Feb 24, 2025 |
| Smith Stan | — | Purchase | 25,000 | $1.87 | $46,750 | 1,130,060 | Dec 13, 2024 |
| Guerrero Ramiro | — | Purchase | 53,418 | $1.87 | $99,892 | 514,970 | Dec 13, 2024 |
| Luput Cristian | — | Purchase | 22,133 | $2.51 | $55,554 | 389,483 | Nov 1, 2024 |
| CHAOUKI STEVEN M | — | Purchase | 22,133 | $2.51 | $55,554 | 111,024 | Nov 1, 2024 |
| Guerrero Ramiro | — | Purchase | 88,534 | $2.51 | $222,220 | 408,134 | Nov 1, 2024 |
| Smith Stan | — | Purchase | 100,000 | $2.51 | $251,000 | 957,568 | Nov 1, 2024 |
| Louie Ngar Yee | — | Purchase | 19,665 | $2.03 | $39,920 | 1,167,189 | Apr 25, 2024 |
| Smith Stan | — | Purchase | 147,492 | $2.03 | $299,409 | 1,005,060 | Apr 25, 2024 |
| CHAOUKI STEVEN M | — | Purchase | 34,641 | $1.17 | $40,530 | 88,891 | Mar 14, 2024 |
| Smith Stan | — | Purchase | 170,940 | $1.17 | $200,000 | 857,568 | Mar 14, 2024 |
| Louie Ngar Yee | — | Purchase | 170,940 | $1.17 | $200,000 | 1,147,524 | Mar 14, 2024 |
| Luput Cristian | — | Purchase | 69,282 | $1.17 | $81,060 | 367,350 | Mar 14, 2024 |
| Guerrero Ramiro | — | Purchase | 6,928 | $1.17 | $8,106 | 319,600 | Mar 14, 2024 |
| Guerrero Ramiro | — | Purchase | 1,200 | $2.47 | $2,964 | 312,672 | May 18, 2023 |
| Luput Cristian | — | Purchase | 3,000 | $2.63 | $7,890 | 298,068 | May 15, 2023 |
| Vitoc Vlad | Chief Executive Officer | Purchase | 4,000 | $2.50 | $10,000 | 809,121 | Apr 28, 2023 |
| Smith Stan | — | Purchase | 133,300 | $2.25 | $299,925 | 686,628 | Apr 27, 2023 |
| Louie Ngar Yee | — | Purchase | 48,000 | $2.25 | $108,000 | 976,584 | Apr 27, 2023 |
| Guerrero Ramiro | — | Purchase | 8,500 | $2.25 | $19,125 | 311,472 | Apr 27, 2023 |
| MCGUIRE JOSEPH F | Chief Financial Officer | Purchase | 4,400 | $2.25 | $9,900 | 9,400 | Apr 27, 2023 |
| Smith Stan | — | Purchase | 10,000 | $3.74 | $37,400 | 553,328 | Apr 20, 2023 |
| Guerrero Ramiro | — | Purchase | 1,263 | $4.17 | $5,267 | 302,972 | Apr 18, 2023 |
| Luput Cristian | — | Purchase | 1,576 | $3.69 | $5,815 | 295,068 | Apr 17, 2023 |
| Luput Cristian | — | Purchase | 622 | $3.62 | $2,252 | 292,690 | Apr 14, 2023 |
| Vitoc Vlad | Chief Executive Officer | Purchase | 1,375 | $3.50 | $4,813 | 804,196 | Apr 4, 2023 |
| Vitoc Vlad | Chief Executive Officer | Purchase | 1,495 | $3.46 | $5,173 | 802,821 | Mar 30, 2023 |
| Smith Stan | — | Purchase | 938 | $3.49 | $3,274 | 543,328 | Mar 24, 2023 |