MAIA · MAIA Biotechnology Inc. Common Stock
View on chartInsiders & Stakes
| Stan Smith Director | ▲ Buy | Open Market | 1,519,178 Shares held | 6/1/2026 | View profile |
| Ngar Yee Louie Director | ▲ Buy | Open Market | 1,248,888 Shares held | 12/22/2025 | View profile |
| Vlad Vitoc Chief Executive Officer | ▲ Buy | Open Market | 1,049,121 Shares held | 9/14/2026 | View profile |
| Guerrero Ramiro Director | ▲ Buy | Open Market | 773,296 Shares held | 9/10/2026 | View profile |
| Cristian Luput Director | ▲ Buy | Open Market | 437,628 Shares held | 11/28/2025 | View profile |
| Vlad Laurentiu Director | ▲ Buy | Open Market | 376,933 Shares held | 8/1/2022 | View profile |
| Steven M. Chaouki President, US Markets | ▲ Buy | Open Market | 151,873 Shares held | 12/22/2025 | View profile |
| Sergei Gryaznov Chief Scientific Officer | ▲ Buy | Open Market | 46,511 Shares held | 6/1/2026 | View profile |
| Obrocea Mihail Chief Medical Officer | ▲ Buy | Open Market | 27,100 Shares held | 8/1/2022 | View profile |
| MCGUIRE JOSEPH F Chief Financial Officer | ▲ Buy | Open Market | 9,400 Shares held | 4/27/2023 | View profile |
Transaction History
| Vlad Vitoc | ▲ Buy | Open Market | 73,000 | $100K | 9/14/2026 |
| Guerrero Ramiro | ▲ Buy | Open Market | 37,595 | $50K | 9/10/2026 |
| Guerrero Ramiro | ▲ Buy | Open Market | 46,620 | $63K | 8/28/2026 |
| Guerrero Ramiro | ▲ Buy | Open Market | 78,239 | $109K | 8/27/2026 |
| Guerrero Ramiro | ▲ Buy | Open Market | 8,931 | $12K | 8/26/2026 |
| Guerrero Ramiro | ▲ Buy | Open Market | 1,794 | $2K | 8/24/2026 |
| Guerrero Ramiro | ▲ Buy | Open Market | 11,899 | $16K | 8/20/2026 |
| Vlad Vitoc | ▲ Buy | Open Market | 72,700 | $101K | 6/1/2026 |
| Stan Smith | ▲ Buy | Open Market | 75,000 | $100K | 6/1/2026 |
| Sergei Gryaznov | ▲ Buy | Open Market | 2,000 | $3K | 6/1/2026 |
| Ngar Yee Louie | ▲ Buy | Open Market | 81,699 | $100K | 12/22/2025 |
| Stan Smith | ▲ Buy | Open Market | 57,189 | $70K | 12/22/2025 |
| Steven M. Chaouki | ▲ Buy | Open Market | 40,849 | $50K | 12/22/2025 |
| Stan Smith | ▲ Buy | Open Market | 4,580 | $5K | 12/5/2025 |
| Stan Smith | ▲ Buy | Open Market | 4,580 | $5K | 12/5/2025 |
| Stan Smith | ▲ Buy | Open Market | 4,580 | $5K | 12/5/2025 |
| Vlad Vitoc | ▲ Buy | Open Market | 50,000 | $57K | 11/28/2025 |
| Cristian Luput | ▲ Buy | Open Market | 18,145 | $20K | 11/28/2025 |
| Vlad Vitoc | ▲ Buy | Open Market | 22,000 | $23K | 11/26/2025 |
| Cristian Luput | ▲ Buy | Open Market | 20,000 | $22K | 11/26/2025 |
| Stan Smith | ▲ Buy | Open Market | 15,000 | $16K | 11/26/2025 |
| Cristian Luput | ▲ Buy | Open Market | 10,000 | $10K | 11/25/2025 |
| Vlad Vitoc | ▲ Buy | Open Market | 10,500 | $10K | 11/25/2025 |
| Stan Smith | ▲ Buy | Open Market | 15,000 | $15K | 11/25/2025 |
| Stan Smith | ▲ Buy | Open Market | 10,000 | $10K | 11/24/2025 |
| Vlad Vitoc | ▲ Buy | Open Market | 10,000 | $10K | 11/24/2025 |
| Vlad Vitoc | ▲ Buy | Open Market | 1,800 | $2K | 11/21/2025 |
| Stan Smith | ▲ Buy | Open Market | 19,230 | $25K | 10/1/2025 |
| Stan Smith | ▲ Buy | Open Market | 33,333 | $50K | 6/3/2025 |
| Guerrero Ramiro | ▲ Buy | Open Market | 20,000 | $30K | 5/8/2025 |
| Stan Smith | ▲ Buy | Open Market | 66,666 | $100K | 5/8/2025 |
| Stan Smith | ▲ Buy | Open Market | 25,000 | $38K | 3/3/2025 |
| Guerrero Ramiro | ▲ Buy | Open Market | 33,333 | $50K | 3/3/2025 |
| Stan Smith | ▲ Buy | Open Market | 50,000 | $75K | 2/24/2025 |
| Guerrero Ramiro | ▲ Buy | Open Market | 73,333 | $110K | 2/24/2025 |
| Stan Smith | ▲ Buy | Open Market | 25,000 | $47K | 12/13/2024 |
| Guerrero Ramiro | ▲ Buy | Open Market | 53,418 | $100K | 12/13/2024 |
| Guerrero Ramiro | ▲ Buy | Open Market | 88,534 | $222K | 11/1/2024 |
| Cristian Luput | ▲ Buy | Open Market | 22,133 | $56K | 11/1/2024 |
| Steven M. Chaouki | ▲ Buy | Open Market | 22,133 | $56K | 11/1/2024 |
| Stan Smith | ▲ Buy | Open Market | 100,000 | $251K | 11/1/2024 |
| Stan Smith | ▼ Sell | Gift | 20,000 | $0 | 5/1/2024 |
| Ngar Yee Louie | ▲ Buy | Open Market | 19,665 | $40K | 4/25/2024 |
| Stan Smith | ▲ Buy | Open Market | 147,492 | $299K | 4/25/2024 |
| Ngar Yee Louie | ▲ Buy | Open Market | 170,940 | $200K | 3/14/2024 |
| Steven M. Chaouki | ▲ Buy | Open Market | 34,641 | $41K | 3/14/2024 |
| Stan Smith | ▲ Buy | Open Market | 170,940 | $200K | 3/14/2024 |
| Guerrero Ramiro | ▲ Buy | Open Market | 6,928 | $8K | 3/14/2024 |
| Cristian Luput | ▲ Buy | Open Market | 69,282 | $81K | 3/14/2024 |
| Guerrero Ramiro | ▲ Buy | Open Market | 1,200 | $3K | 5/18/2023 |
| Cristian Luput | ▲ Buy | Open Market | 3,000 | $8K | 5/15/2023 |
| Vlad Vitoc | ▲ Buy | Open Market | 4,000 | $10K | 4/28/2023 |
| MCGUIRE JOSEPH F | ▲ Buy | Open Market | 4,400 | $10K | 4/27/2023 |
| Guerrero Ramiro | ▲ Buy | Open Market | 8,500 | $19K | 4/27/2023 |
| Ngar Yee Louie | ▲ Buy | Open Market | 48,000 | $108K | 4/27/2023 |
| Stan Smith | ▲ Buy | Open Market | 133,300 | $300K | 4/27/2023 |
| Stan Smith | ▲ Buy | Open Market | 10,000 | $37K | 4/20/2023 |
| Guerrero Ramiro | ▲ Buy | Open Market | 1,263 | $5K | 4/18/2023 |
| Cristian Luput | ▲ Buy | Open Market | 1,576 | $6K | 4/17/2023 |
| Cristian Luput | ▲ Buy | Open Market | 802 | $3K | 4/14/2023 |
| Cristian Luput | ▲ Buy | Open Market | 622 | $2K | 4/13/2023 |
| Vlad Vitoc | ▲ Buy | Open Market | 925 | $3K | 4/4/2023 |
| Vlad Vitoc | ▲ Buy | Open Market | 1,375 | $5K | 4/3/2023 |
| Vlad Vitoc | ▲ Buy | Open Market | 1,495 | $5K | 3/31/2023 |
| Vlad Vitoc | ▲ Buy | Open Market | 205 | $703 | 3/30/2023 |
| Stan Smith | ▲ Buy | Open Market | 938 | $3K | 3/24/2023 |
| Stan Smith | ▲ Buy | Open Market | 1,862 | $6K | 3/23/2023 |
| Stan Smith | ▲ Buy | Open Market | 1,458 | $5K | 3/22/2023 |
| Stan Smith | ▲ Buy | Open Market | 2,736 | $9K | 3/21/2023 |
| Stan Smith | ▲ Buy | Open Market | 3,006 | $10K | 3/20/2023 |
| Guerrero Ramiro | ▲ Buy | Open Market | 1,333 | $5K | 3/16/2023 |
| Cristian Luput | ▲ Buy | Open Market | 3,000 | $12K | 3/13/2023 |
| Guerrero Ramiro | ▲ Buy | Open Market | 443 | $2K | 3/10/2023 |
| Cristian Luput | ▲ Buy | Open Market | 5,382 | $21K | 3/10/2023 |
| Guerrero Ramiro | ▲ Buy | Open Market | 1,057 | $4K | 3/9/2023 |
| Cristian Luput | ▲ Buy | Open Market | 2,114 | $8K | 3/9/2023 |
| Stan Smith | ▲ Buy | Open Market | 3,582 | $14K | 3/9/2023 |
| Cristian Luput | ▲ Buy | Open Market | 627 | $3K | 3/8/2023 |
| Stan Smith | ▲ Buy | Open Market | 3,076 | $13K | 3/8/2023 |
| Vlad Vitoc | ▲ Buy | Open Market | 1,581 | $7K | 3/8/2023 |
| Stan Smith | ▲ Buy | Open Market | 1,961 | $8K | 3/7/2023 |
| Guerrero Ramiro | ▲ Buy | Open Market | 871 | $4K | 3/7/2023 |
| Vlad Vitoc | ▲ Buy | Open Market | 1,439 | $6K | 3/7/2023 |
| Cristian Luput | ▲ Buy | Open Market | 1,688 | $7K | 3/7/2023 |
| Stan Smith | ▲ Buy | Open Market | 4,594 | $20K | 3/6/2023 |
| Cristian Luput | ▲ Buy | Open Market | 527 | $2K | 3/6/2023 |
| Guerrero Ramiro | ▲ Buy | Open Market | 481 | $2K | 3/6/2023 |
| Vlad Vitoc | ▲ Buy | Open Market | 544 | $2K | 3/6/2023 |
| Stan Smith | ▲ Buy | Open Market | 2,509 | $11K | 3/3/2023 |
| Vlad Vitoc | ▲ Buy | Open Market | 2,398 | $11K | 3/3/2023 |
| Vlad Vitoc | ▲ Buy | Open Market | 45 | $199 | 3/2/2023 |
| Stan Smith | ▲ Buy | Open Market | 23 | $101 | 3/2/2023 |
| Stan Smith | ▲ Buy | Open Market | 198 | $887 | 3/1/2023 |
| Vlad Vitoc | ▲ Buy | Open Market | 282 | $1K | 3/1/2023 |
| Vlad Vitoc | ▲ Buy | Open Market | 1,275 | $6K | 2/28/2023 |
| Stan Smith | ▲ Buy | Open Market | 1,619 | $7K | 2/28/2023 |
| Stan Smith | ▲ Buy | Open Market | 219 | $979 | 2/27/2023 |
| Stan Smith | ▲ Buy | Open Market | 1,073 | $5K | 2/22/2023 |
| Stan Smith | ▲ Buy | Open Market | 228 | $1K | 2/21/2023 |
| Cristian Luput | ▲ Buy | Open Market | 76 | $322 | 2/17/2023 |
| Vlad Vitoc | ▲ Buy | Open Market | 73 | $310 | 2/17/2023 |
| Stan Smith | ▲ Buy | Open Market | 75 | $319 | 2/17/2023 |
| Guerrero Ramiro | ▲ Buy | Open Market | 50 | $213 | 2/17/2023 |
| Vlad Vitoc | ▲ Buy | Open Market | 10 | $43 | 2/16/2023 |
| Cristian Luput | ▲ Buy | Open Market | 58 | $247 | 2/16/2023 |
| Stan Smith | ▲ Buy | Open Market | 62 | $264 | 2/16/2023 |
| Guerrero Ramiro | ▲ Buy | Open Market | 10 | $43 | 2/16/2023 |
| Cristian Luput | ▲ Buy | Open Market | 10 | $43 | 2/15/2023 |
| Stan Smith | ▲ Buy | Open Market | 10 | $43 | 2/15/2023 |
| Vlad Vitoc | ▲ Buy | Open Market | 10 | $43 | 2/15/2023 |
| Cristian Luput | ▲ Buy | Open Market | 14 | $60 | 2/14/2023 |
| Stan Smith | ▲ Buy | Open Market | 198 | $842 | 2/14/2023 |
| Vlad Vitoc | ▲ Buy | Open Market | 343 | $1K | 2/10/2023 |
| Stan Smith | ▲ Buy | Open Market | 337 | $1K | 2/10/2023 |
| Stan Smith | ▲ Buy | Open Market | 227 | $962 | 1/26/2023 |
| Stan Smith | ▲ Buy | Open Market | 9 | $38 | 1/25/2023 |
| Cristian Luput | ▲ Buy | Open Market | 504 | $2K | 1/13/2023 |
| Vlad Vitoc | ▲ Buy | Open Market | 1,266 | $5K | 1/4/2023 |
| Vlad Vitoc | ▲ Buy | Open Market | 2,324 | $8K | 1/3/2023 |
| Vlad Vitoc | ▲ Buy | Open Market | 410 | $1K | 12/30/2022 |
| Stan Smith | ▲ Buy | Open Market | 500 | $2K | 12/30/2022 |
| Stan Smith | ▲ Buy | Open Market | 1,471 | $5K | 12/29/2022 |
| Stan Smith | ▲ Buy | Open Market | 1,266 | $4K | 12/28/2022 |
| Stan Smith | ▲ Buy | Open Market | 604 | $2K | 12/27/2022 |
| Stan Smith | ▲ Buy | Open Market | 981 | $3K | 12/23/2022 |
| Stan Smith | ▲ Buy | Open Market | 731 | $2K | 12/22/2022 |
| Stan Smith | ▲ Buy | Open Market | 399 | $1K | 12/21/2022 |
| Stan Smith | ▲ Buy | Open Market | 4,048 | $14K | 12/20/2022 |
| Sergei Gryaznov | ▲ Buy | Option Exercise | 10,000 | $18K | 12/7/2022 |
| Stan Smith | ▲ Buy | Open Market | 2,700 | $10K | 9/19/2022 |
| Guerrero Ramiro | ▲ Buy | Open Market | 8,799 | $34K | 9/13/2022 |
| Guerrero Ramiro | ▲ Buy | Open Market | 283 | $1K | 8/30/2022 |
| Sergei Gryaznov | ▲ Buy | Option Exercise | 10,000 | $18K | 8/24/2022 |
| Vlad Vitoc | ▲ Buy | Open Market | 6,000 | $30K | 8/1/2022 |
| Steven M. Chaouki | ▲ Buy | Open Market | 5,000 | $25K | 8/1/2022 |
| Ngar Yee Louie | ▲ Buy | Open Market | 20,000 | $100K | 8/1/2022 |
| MCGUIRE JOSEPH F | ▲ Buy | Open Market | 5,000 | $25K | 8/1/2022 |
| Stan Smith | ▲ Buy | Open Market | 200,000 | $1.0M | 8/1/2022 |
| Sergei Gryaznov | ▲ Buy | Open Market | 3,000 | $15K | 8/1/2022 |
| Steven M. Chaouki | ▼ Sell | Other | 8,000 | — | 8/1/2022 |
| Stan Smith | ▼ Sell | Other | 7,200 | — | 8/1/2022 |
| Obrocea Mihail | ▲ Buy | Open Market | 1,000 | $5K | 8/1/2022 |
| Cristian Luput | ▲ Buy | Open Market | 500 | $3K | 8/1/2022 |
| Vlad Laurentiu | ▲ Buy | Open Market | 5,000 | $25K | 8/1/2022 |
| Guerrero Ramiro | ▲ Buy | Open Market | 20,000 | $100K | 8/1/2022 |
| Guerrero Ramiro | ▲ Buy | Open Market | 9,000 | $36K | 7/28/2022 |
AI Market Commentary
AI-generatedAll commentary →Synthesized from recent news and fundamentals/technical data -- not human analyst commentary or trader sentiment.
September 29, 2026
MAIA Expands THIO-104 Trial to Spain, Portugal; Files Resale Prospectus
MAIA Biotechnology has broadened its pivotal Phase 3 THIO‑104 lung‑cancer trial to include Spain and Portugal after receiving regulatory clearance from the Spanish and Portuguese authorities. The company also filed a resale prospectus for 751,879 shares under its Clinical Trial Funding Agreement, providing additional capital for the study. These developments support the trial’s progression and expand patient access in key European markets.
MAIA Expands THIO-104 Trial to Spain, Portugal; Files Resale Prospectus. MAIA Biotechnology has broadened its pivotal Phase 3 THIO‑104 lung‑cancer trial to include Spain and Portugal after receiving regulatory clearance from the Spanish and Portuguese authorities. The company also filed a resale prospectus for 751,879 shares under its Clinical Trial Funding Agreement, providing additional capital for the study. These developments support the trial’s progression and expand patient access in key European markets.