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Insider trade

Maia Biotechnology (MAIA)Director bought ~$63K

Ramiro Guerrero, Director at Maia Biotechnology, bought ~$63K of Maia Biotechnology shares.

~$63K
Approx. value · 47K sh @ $1.35
736K
Holds after · shares reported
Traded
Aug 28, 2026
Filed
Sep 2, 2026

The story around this disclosure

Every dated public record OQRO holds about the company from 60 days before to 120 days after, oldest first. It shows what was going on; none of it is a stated reason for the trade.

  1. Aug 20, 2026InsiderDirector purchased ~$16K of MAIA shares in the open market
  2. Aug 24, 2026InsiderDirector purchased ~$2.4K of MAIA shares in the open market
  3. Aug 26, 2026InsiderDirector purchased ~$12K of MAIA shares in the open market
  4. Aug 27, 2026InsiderDirector purchased ~$109K of MAIA shares in the open market
  5. Aug 28, 2026 · this disclosureInsiderDirector purchased ~$63K of MAIA shares in the open market

What came next

  1. Sep 10, 2026InsiderDirector purchased ~$50K of MAIA shares in the open market
  2. Sep 14, 2026InsiderCEO purchased ~$100K of MAIA shares in the open market
View the official recordSEC Form 4

How to read SEC Form 4

Form 4 is the filing that officers, directors and owners of more than 10% of a US-listed company must send to the SEC within two business days after they buy, sell or otherwise change their holding of the company's stock.

Full guide: What is an SEC Form 4?

What else is on file for Maia Biotechnology

For Maia Biotechnology, OQRO holds 7 insider filings (SEC Form 4 or Form 144) and 1 fund holdings report (13F) dated in the last 90 days.

These are records OQRO holds, counted by their date, not a measure of how much trading took place. Routine paperwork such as option exercises and tax withholding is left out. Everything for the company is on its MAIA page.

Other recent filings by Ramiro Guerrero, Director

The full history of Ramiro Guerrero, Director is on the profile page.

How this filing works

Other disclosures at Maia Biotechnology

Everything OQRO holds on this company is on its MAIA page.

This is one filing. OQRO holds the rest

Insider trades filed with the SEC, stock trades disclosed by members of Congress, fund holdings from 13F filings and federal contract awards, each one in plain words next to its official filing. On this page it opens why the trade stands out, what the company did around that time, the price since, and every field of the form.

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OQRO describes public disclosures and context calculated from them. It does not give personalized advice and does not recommend any transaction. How OQRO treats data