No open-market selling at MAIA Biotechnology, Inc. in the past year, which is unusual. Instead seven corporate insiders added about $1.1 million worth of MAIA.
Guerrero Ramiro (Director) made the biggest buy, worth around $109,000. Notably, at least one C-suite executive was among the buyers.
36 investment managers listed MAIA in their latest 13F filings (Q2 2026); more funds bought than sold. 2 quarters in a row of net buying by insiders. Insiders bought in 5 of the last 7 full quarters.
| Filed | Insider | Role | Type | Shares | Price | Value | Source |
|---|---|---|---|---|---|---|---|
| Sep 15, 2026 | Vitoc Vlad | CEO | Buy | 73,000 | $1.37 | $100K | SEC |
| Sep 14, 2026 | Guerrero Ramiro | Director | Buy | 37,595 | $1.32 | $50K | SEC |
| Sep 1, 2026 | Guerrero Ramiro | Director | Buy | 46,620 | $1.35 | $63K | SEC |
| Sep 1, 2026 | Guerrero Ramiro | Director | Buy | 8,931 | $1.39 | $12K | SEC |
| Sep 1, 2026 | Guerrero Ramiro | Director | Buy | 78,239 | $1.39 | $109K | SEC |
| Aug 26, 2026 | Guerrero Ramiro | Director | Buy | 1,794 | $1.33 | $2K | SEC |
| Aug 24, 2026 | Guerrero Ramiro | Director | Buy | 11,899 | $1.37 | $16K | SEC |
| Jun 2, 2026 | Vitoc Vlad | CEO | Buy | 72,700 | $1.39 | $101K | SEC |
| Jun 2, 2026 | Smith Stan | Director | Buy | 75,000 | $1.34 | $100K | SEC |
| Jun 2, 2026 | Gryaznov Sergei | Executive Officer | Buy | 2,000 | $1.35 | $3K | SEC |
| Dec 23, 2025 | Smith Stan | Director | Buy | 57,189 | $1.22 | $70K | SEC |
| Dec 23, 2025 | CHAOUKI STEVEN M | Director | Buy | 40,849 | $1.22 | $50K | SEC |
| Dec 23, 2025 | Louie Ngar Yee | Director | Buy | 81,699 | $1.22 | $100K | SEC |
| Dec 9, 2025 | Smith Stan | Director | Buy | 4,580 | $1.20 | $5K | SEC |
| Dec 9, 2025 | Smith Stan | Director | Buy | 4,580 | $1.19 | $5K | SEC |
In the last 12 months MAIA Biotechnology, Inc. insiders made open-market purchases worth about $1.1 million and sales worth about $0. Data comes from SEC Form 4 filings, updated every 30 minutes on CapitalSnitch.
The most recent open-market insider trade in MAIA was filed on 2026-09-15.
36 investment managers reported holding MAIA in SEC Form 13F filings for Q2 2026.
No congressional trades in MAIA were reported in the past two years. The full list is free on CapitalSnitch.
Public-record data for research and education, not investment advice. Insider sales are often pre-planned (10b5-1). Congress data: Data derived from public disclosures filed under the Ethics in Government Act and the STOCK Act, republished free for public transparency and news reporting. Disclosures may lag the trade by 45 days or more and show amounts only as ranges. This data may not be used for credit rating, loan underwriting, solicitation of money (political, charitable or other), direct-mail or commercial targeting (5 U.S.C. 13107).