MAIA Biotechnology Inc.
Ownership
Ownership Structure
Who owns MAIA Biotechnology Inc. (MAIA)? This page shows the largest institutions and funds, the ownership structure and the latest insider transactions. 91.1% of the shares are freely tradable; institutional investors hold 21.6%.
Largest Shareholders
No ownership data is available for this stock yet.
Insider holdings
| Person | Role | Shares | Value | As of | Type |
|---|---|---|---|---|---|
| Vitoc Vlad | Chief Executive Officer | 1,049,121 | 1,468,769 $ | Sep 14, 2026 | direct |
| Guerrero Ramiro | Director | 773,296 | 1,082,614 $ | Sep 10, 2026 | direct |
Holdings as of each person's most recent SEC Form 4 filing — excluding options and RSUs, which are not shares yet. Holdings may have changed between two filings.
Insiders
Insider Transactions
| Date | Person | Role | Type | Shares | Price | Value |
|---|---|---|---|---|---|---|
| Sep 14, 2026 | Vitoc Vlad | Chief Executive Officer | Buy | 73,000 | 1.37 | 100,010 |
| Sep 10, 2026 | Guerrero Ramiro | Director | Buy | 37,595 | 1.32 | 49,516 |
| Aug 28, 2026 | Guerrero Ramiro | Director | Buy | 46,620 | 1.35 | 62,937 |
| Aug 27, 2026 | Guerrero Ramiro | Director | Buy | 78,239 | 1.39 | 108,752 |
| Aug 26, 2026 | Guerrero Ramiro | Director | Buy | 8,931 | 1.39 | 12,414 |
| Aug 24, 2026 | Guerrero Ramiro | Director | Buy | 1,794 | 1.33 | 2,386 |
| Aug 20, 2026 | Guerrero Ramiro | Director | Buy | 11,899 | 1.37 | 16,302 |
Reportable transactions by officers and major shareholders from SEC Form 4 filings. "Other" includes things like stock grants and option exercises without a buy/sell character. View all insider transactions →
Data as of: September 17, 2026 · Source: fundamental data & SEC filings (annual and quarterly reports, 10-K/10-Q)
Note: pure fact-based analysis, not investment advice and not a solicitation to buy or sell. All figures without guarantee.