Profile
| Role | Director |
|---|---|
| Notability | 20/100 |
Board memberships
- MAIA Biotechnology, Inc.
Updated Jul 16, 2026
Guerrero Ramiro has filed 1 SEC Form 4 filing across 1 company in the last 90 days — buying. Lifetime open-market purchases: $633K. Historical track record: 2/5 stars across 4 tracked purchases.
| Role | Director |
|---|---|
| Notability | 20/100 |
InsiderAlpha computes a forward-return-based score for every insider with enough Form 4 purchase history. The metrics below reflect realised performance after each tracked open-market purchase.
| InsiderAlpha rating | ★★☆☆☆ (2/5) |
|---|---|
| Total purchases tracked | 4 |
| Purchases with forward-return data | 4 |
| 30-day win rate | 5000% |
| 90-day win rate | 0% |
| Avg 5-day return | +631.82% |
| Avg 30-day return | -397.73% |
| Avg 90-day return | -2668.18% |
| Best 30-day return | +1350.00% |
| Date | Ticker | Company | Code | Shares | Price | Value |
|---|---|---|---|---|---|---|
| 2024-12-13 | MAIA | MAIA Biotechnology, Inc. | P — Open-market purchase | 53.4K | $1.87 | $100K |
| 2024-11-04 | MAIA | MAIA Biotechnology, Inc. | P — Open-market purchase | 88.5K | $2.51 | $222K |
Guerrero Ramiro is a corporate insider — currently tracked as Director of MAIA Biotechnology, Inc. (MAIA). InsiderAlpha tracks every SEC Form 4 filing in real time.
1 primary Form 4 filings in the last 90 days, covering 1 company.
Recorded transactions: 4 open-market purchases ($633K) and 0 open-market sales () across all tracked filings.
Across 4 tracked purchases, Guerrero Ramiro averaged -397.7% avg 30-day return with a 5000% 30-day win rate. InsiderAlpha rates the track record at 2/5 stars.
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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