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buyWeak

Ramiro Guerrero bought $2,386 of MAIA

director at MAIA Biotechnology, Inc.. 1,794 shares at an average of $1.33, traded Aug 24, 2026, filed Aug 26, 2026.

Conviction score
18
Value
$2,386
1,794 shares
Holdings after
601,911
+0% from before
From 52-week low
+55%
low $0.87, close $1.35
From 52-week high
-54%
high $2.95, as of Aug 24, 2026

Score components

  • Role
    Director
    +15
  • Trade size
    $2k at market
    0
  • Relative to holdings
    Under 1% of holdings (0.3%)
    -5
  • Price context
    54% below the 52-week high
    +8
  • Cluster
    No other insider buying within 14 days
    0
  • Repeat buying
    2 buys in 90 days
    +5
  • Track record
    Median 6-month excess return -21% over 5 past buys
    -5

What happened after comparable buys

Same side and tier, against the S&P 500, at 1, 3 and 6 months. Shown to Pro users; the whole table is on the backtest page.

Price around the trade, and since

From a quarter before the trade to today. The arrow is the trade, the circle the day the filing reached EDGAR, which is the first day anyone outside could act; the dotted line is the S&P 500 rebased to that day's close.

MAIAOct 13, 2026 · close 1.16
Since filing Aug 26, 2026: -16.5%SPY +1.8% · excess -18.4%

Daily candles, adjusted for splits and dividends. Green arrows are insider buys, red are sells, sized by value; the dashed line is the close on the filing day, the dotted line SPY rebased to it.Charts by TradingView Lightweight Charts™

Rows in this filing

Every transaction in Form 4 0001878313-26-000079, as filed. Open on EDGAR

DateTransactionSharesPriceValueHoldings afterFiled
Aug 24, 2026POpen-market purchase
Common Stock
+1,794$1.33$2,386601,911Aug 26, 2026

Related signals

Other insiders at MAIA Biotechnology, Inc. and this insider’s other filings.

ScoreCompanyInsiderValueHoldingsFiled
54Moderate
MAIAbuy 2
MAIA Biotechnology, Inc.
Vlad Vitoc
Chief Executive Officer
$100k
73,000 shares
+7%
46Moderate
MAIAbuy 2
MAIA Biotechnology, Inc.
Ramiro Guerrero
director
$50k
37,595 shares
+5%
41Moderate
MAIAbuy
MAIA Biotechnology, Inc.
Ramiro Guerrero
director
$184k
133,790 shares
+22%
18Weak
MAIAbuy
MAIA Biotechnology, Inc.
Ramiro Guerrero
director
$16k
11,899 shares
+2%
38Weak
MAIAbuy 3
MAIA Biotechnology, Inc.
Sergei Gryaznov
Chief Scientific Officer
$2,690
2,000 shares
+4%
46Moderate
MAIAbuy 3
MAIA Biotechnology, Inc.
Stan Smith
director
$100k
75,000 shares
+5%
61Notable
MAIAbuy 3
MAIA Biotechnology, Inc.
Vlad Vitoc
Chief Executive Officer
$101k
72,700 shares
+8%
10Weak
MAIAbuy
MAIA Biotechnology, Inc.
Stan Smith
director
$9,959
2,700 shares
+0%
51Moderate
MAIAbuy 3
MAIA Biotechnology, Inc.
Steven M Chaouki
director
$50k
40,849 shares
+37%
51Moderate
MAIAbuy 3
MAIA Biotechnology, Inc.
Ngar Yee Louie
director
$100k
81,699 shares
+7%

Not investment advice. Scores and forward returns are decision support built from public SEC filings and past prices; they describe what happened after comparable filings, not what will happen after this one. Do your own research and size your risk.

Ramiro Guerrero bought $2,386 of MAIA | InsiderTell