As of August 04, 2026, MAIA Biotechnology's top three insider holders are Stan Smith (Director, 1.43Mn shares), Ngar Yee Louie (Director, 1.25Mn shares), Vlad Vitoc (Chief Executive Officer, 903.42K shares).
| Holder | Position | Shares (Direct) | Shares (Indirect) | Report Date |
|---|---|---|---|---|
| Joseph F Mcguire | Chief Financial Officer | 9,400 | 0 | 28 Apr, 2023 |
| Steven M Chaouki | - | 151,873 | 0 | 22 Dec, 2025 |
| Stan Smith | - | 0 | 1,426,058 | 22 Dec, 2025 |
| Sergei Gryaznov | Chief Scientific Officer | 44,511 | 0 | 08 Dec, 2022 |
| Ramiro Guerrero | - | 588,218 | 0 | 12 May, 2025 |
| Laurentiu Vlad | - | 376,933 | 0 | 02 Aug, 2022 |
| Vlad Vitoc | Chief Executive Officer | 903,421 | 0 | 03 Dec, 2025 |
| Ngar Yee Louie | - | 1,248,888 | 0 | 22 Dec, 2025 |
| Mihail Obrocea | Chief Medical Officer | 27,100 | 0 | 02 Aug, 2022 |
| Cristian Luput | - | 437,628 | 0 | 28 Nov, 2025 |
* Please note that the shares above only reflect shares from the fund portfolio and the institutional portfolio. Shares from the personal portfolio are excluded from this Institutional Ownership Page. See these insiders' latest transactions here on Insider Page.
| Transaction Date | Insider Name | Security Class | Transaction Type | Shares Traded | Price | Shares Remaining | Ownership | Code |
|---|---|---|---|---|---|---|---|---|
| 10 Apr, 2026 | Sergei Gryaznov | Stock Options | A | 400,000 | $0.00 | 400,000 | D | A |
| 10 Apr, 2026 | Vlad Vitoc | Stock Options | A | 800,000 | $0.00 | 800,000 | D | A |
| 31 Mar, 2026 | Jean-Manasse Theagene | Stock Options | A | 27,258 | $0.00 | 27,258 | D | A |
| 31 Mar, 2026 | Steven M Chaouki | Stock Options | A | 27,907 | $0.00 | 27,907 | D | A |
| 31 Mar, 2026 | Stan Smith | Stock Options | A | 33,099 | $0.00 | 33,099 | I | A |
| 31 Mar, 2026 | Cristian Luput | Stock Options | A | 28,556 | $0.00 | 28,556 | D | A |
| 31 Mar, 2026 | Stan Smith | Stock Options | A | 33,099 | $0.00 | 33,099 | I | A |
| 31 Mar, 2026 | Jean-Manasse Theagene | Stock Options | A | 27,258 | $0.00 | 27,258 | D | A |
| 31 Mar, 2026 | Jean-Manasse Theagene | Stock Options | A | 27,258 | $0.00 | 27,258 | D | A |
| 31 Mar, 2026 | Stan Smith | Stock Options | A | 33,099 | $0.00 | 33,099 | I | A |
| 31 Mar, 2026 | Stan Smith | Stock Options | A | 33,099 | $0.00 | 33,099 | I | A |
| 31 Mar, 2026 | Jean-Manasse Theagene | Stock Options | A | 27,258 | $0.00 | 27,258 | D | A |
| 31 Mar, 2026 | Ramiro Guerrero | Stock Options | A | 27,258 | $0.00 | 27,258 | D | A |
| 31 Mar, 2026 | Ngar Yee Louie | Stock Options | A | 33,748 | $0.00 | 33,748 | D | A |
| 31 Dec, 2025 | Stan Smith | Options | A | 29,216 | $0.00 | 29,216 | I | A |
| 31 Dec, 2025 | Jean-Manasse Theagene | Options | A | 24,060 | $0.00 | 24,060 | D | A |
| 31 Dec, 2025 | Stan Smith | Options | A | 29,216 | $0.00 | 29,216 | I | A |
| 31 Dec, 2025 | Jean-Manasse Theagene | Options | A | 24,060 | $0.00 | 24,060 | D | A |
| 31 Dec, 2025 | Stan Smith | Options | A | 29,216 | $0.00 | 29,216 | I | A |
| 31 Dec, 2025 | Jean-Manasse Theagene | Options | A | 24,060 | $0.00 | 24,060 | D | A |