Company profile
MAIA Biotechnology, Inc. Insider Trading
MAIAEvery SEC Form 4 insider trading filing for MAIA Biotechnology, Inc. (MAIA) since April 2023 — open-market buys and sells by directors and officers, option exercises, and cluster activity, updated as each filing is reported to the SEC. Why 2023?
- Exchange
- NYSE
- Sector
- Pharmaceutical Preparations
- CIK
- 0001878313
- Filings
- 165
- Insiders
- 11
- Last filing
- 2026-09-14
Activity summary
Recent insider activity is bullish. Over the last 30 days, 6 insiders purchased shares (net $336K). Buying was led by Ramiro Guerrero.
Three year balance
Buy and sell value by quarter, Q4 23 to Q3 26. MAIA Biotechnology, Inc. insiders are net buyers across the period shown.
Bars below the rule are sales, above are purchases. Largest quarter on the chart is $1.4M.
90 day insight
Over the last 90 days, MAIA Biotechnology, Inc. insiders bought $352K across 13 transactions with no open-market sales.
- Most active insider: Ramiro Guerrero with 7 transactions totaling $252K.
- Largest single purchase: $109K by Ramiro Guerrero on Aug 27, 2026.
Activity skews bullish — buys outpace sales.
Insider Transactions
Sourced from SEC EDGAR Form 4 filings. Updated hourly.
| Date | Insider | Company | Type | Shares | Price | Value |
|---|---|---|---|---|---|---|
| Sep 14, 2026 | Vlad Vitoc | MAIA | Purchase | 73,000 | $1.37 | $100K |
| Sep 10, 2026 | Ramiro Guerrero | MAIA | Purchase | 37,595 | $1.32 | $50K |
| Aug 28, 2026 | Ramiro Guerrero | MAIA | Purchase | 46,620 | $1.35 | $63K |
| Aug 27, 2026 | Ramiro Guerrero | MAIA | Purchase | 78,239 | $1.39 | $109K |
| Aug 26, 2026 | Ramiro Guerrero | MAIA | Purchase | 8,931 | $1.39 | $12K |
45 more transactions hidden
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Query this yourself
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-H "X-Api-Key: $KEY"Top insiders
By total value filed.
Institutional Ownership
Top 13F-HR holders of MAIA Biotechnology, Inc. as of 2026-06-30
Data source: quarterly 13F-HR filings — institutional holders report positions within 45 days of quarter end. Joined with insider activity above — see who's loading up institutionally while insiders are trading. Full 13F-HR API →