Guerrero Ramiro: insider buys
Every open-market stock purchase reported by Guerrero Ramiro to the SEC on Form 4.
Total bought$250.03K
Purchases3
Companies1
Last purchase filedSep 14, 2026
Return on these buys-19%
Guerrero Ramiro has made 3 open-market purchases worth $250.03K in 1 company since Aug 24, 2026, according to SEC Form 4 filings. The most recent was filed on Sep 14, 2026: 37,595 shares of MAIA at $1.32 (Director), worth $49.63K. The largest was $184.10K of MAIA on Aug 26, 2026. Taken together, these purchases are down 19% at the latest closing prices (split-adjusted, weighted by amount).
Companies Guerrero Ramiro bought
| Ticker | Company | Role | Buys | Total | Since buy | Last filed |
|---|---|---|---|---|---|---|
| MAIA | MAIA Biotechnology, Inc. | Director | 3 | $250.03K | -19% | Sep 14 |
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| Filed | Stock | Insider | Value | Shares | Price | Since buy | Stake | Trade | |
|---|---|---|---|---|---|---|---|---|---|
| Sep 14 | MAIAMAIA Biotechnology, Inc. | Guerrero RamiroDirector | $49.63K | 37,595 | $1.32 | -17% | +5% | Sep 10 | SEC |
| Sep 1 | MAIAMAIA Biotechnology, Inc. | Guerrero RamiroDirector | $184.10K | 133,790 | $1.38 | -20% | +24% | Aug 26 | SEC |
| Aug 24 | MAIAMAIA Biotechnology, Inc. | Guerrero RamiroDirector | $16.30K | 11,899 | $1.37 | -20% | +2% | Aug 20 | SEC |