Summary
Updated Aug 30, 2026
Ramiro Guerrero is Director of MAIA Biotechnology, Inc. (MAIA). 10 SEC Form 4 filings on record going back to 2024, most recently on 26 August 2026. Most recent open-market trade: bought $2K of MAIA on 26 August 2026. Lifetime open-market purchases: $652K. Historical track record: 2/5 stars across 4 tracked purchases.
Recent Transactions
4Every recent SEC Form 4 transaction Ramiro Guerrero has reported, most recent first.
Other Insiders Active in the Same Stocks
Insiders who reported open-market trades in the last 12 months at the companies Ramiro Guerrero files at. Multiple unrelated insiders buying the same stock within a short window, cluster buying, has historically been one of the strongest Form 4 signals.
- Stan Smith - $353K of MAIA open-market activity in the last 12 months
- Ngar Yee Louie - $211K of MAIA open-market activity in the last 12 months
- Vlad Vitoc - $202K of MAIA open-market activity in the last 12 months
- Steven M. Chaouki - $106K of MAIA open-market activity in the last 12 months
- Cristian Luput - $52K of MAIA open-market activity in the last 12 months
- Sergei Gryaznov - $3K of MAIA open-market activity in the last 12 months
More Notable Insiders
Other corporate insiders with significant SEC Form 4 track records on InsiderAlpha:
Frequently Asked Questions
Who is Ramiro Guerrero?
Ramiro Guerrero is a corporate insider, tracked as Director of MAIA Biotechnology, Inc. (MAIA). InsiderAlpha holds 10 primary Form 4 filings for them, the earliest from 2024, updated as new SEC EDGAR filings are processed.
How many SEC Form 4 filings has Ramiro Guerrero submitted recently?
3 primary Form 4 filings in the last 90 days, covering 1 company.
Has Ramiro Guerrero been buying or selling stock?
Recorded transactions: 6 open-market purchases ($652K) and 0 open-market sales across all tracked filings.
How accurate is Ramiro Guerrero's historical track record?
Across 4 tracked purchases, Ramiro Guerrero averaged -4.0% avg 30-day return with a 50% 30-day win rate. InsiderAlpha rates the track record at 2/5 stars.
Where can I see all of Ramiro Guerrero's SEC filings?
All Form 4 filings, transaction values, and 10b5-1 plan flags are listed on this page and updated in real time as new SEC EDGAR filings are processed.
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