Maia Biotechnology Inc (MAIA): Congress and insider trades
Who in Congress and inside the company traded MAIA, when each filing appeared, and what buying after each one would have earned against the S&P 500.
Key Facts
- Maia Biotechnology Inc (MAIA) is a listed stock on AMEX.
- Insiders filed 9 open market buys worth $456K and 0 sells worth $0, the latest filed 2026-09-14 (14 September 2026).
- 1 cluster buy of MAIA by three or more insiders within 30 days.
- Across 3 scored buys, Insiders averaged -10.4% against the S&P 500 (SPY) over the 90 days after disclosure, with 0% of them ahead of the index. That result is too few trades to tell.
- Data as of 2026-09-29 (29 September 2026).
Insider trades in MAIA
as of 2026-09-14| Filed | Insider | Type | Shares | Price | Value | 90 day vs S&P |
|---|---|---|---|---|---|---|
| 14 Sep 2026 | Guerrero Ramiro | buy | 37,595 | $1.32 | $49.5K | n/a |
| 1 Sep 2026 | Guerrero Ramiro | buy | 46,620 | $1.35 | $62.9K | n/a |
| 1 Sep 2026 | Guerrero Ramiro | buy | 78,239 | $1.39 | $109K | n/a |
| 1 Sep 2026 | Guerrero Ramiro | buy | 8,931 | $1.39 | $12.4K | n/a |
| 26 Aug 2026 | Guerrero Ramiro | buy | 1,794 | $1.33 | $2.4K | n/a |
| 24 Aug 2026 | Guerrero Ramiro | buy | 11,899 | $1.37 | $16.3K | n/a |
| 2 Jun 2026 | Smith Stan | buy | 75,000 | $1.34 | $100K | -10.4% |
| 2 Jun 2026 | Vitoc Vlad | buy | 72,700 | $1.39 | $101K | -10.4% |
| 2 Jun 2026 | Gryaznov Sergei | buy | 2,000 | $1.34 | $2.7K | -10.4% |
Nothing matches that search.
Cluster buys in MAIA
| Last filed | Stock | Insiders | Trades | Total value | Days spanned | 90 day vs S&P |
|---|---|---|---|---|---|---|
| 2 Jun 2026 | MAIA | 3 | 3 | $204K | 0 | -10.4% |
Related pages
Frequently asked questions
Who has bought MAIA?
0 Congress buys by 0 members and 9 insider buys are on file. The tables on this page list every one.
Did buying MAIA after a disclosure beat the market?
Across 3 scored buys, Insiders averaged -10.4% against the S&P 500 (SPY) over the 90 days after disclosure, with 0% of them ahead of the index. That result is too few trades to tell. A single stock is a small sample.
Sources: Congressional trades: STOCK Act disclosures, collected from CapitolTrades. Insider trades: SEC Form 4 filings, collected from Finviz. Prices: Yahoo Finance daily adjusted closes. Data as of 2026-09-29 (29 September 2026). About these sources.
Not investment advice. Past disclosed trades do not predict future returns. Disclosures are published late, so the trades shown are ones you could only have copied after the fact. Talk to a licensed adviser before you invest.