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buyModerate cluster of 3

Stan Smith bought $16k of MAIA

director at MAIA Biotechnology, Inc.. 13,740 shares at an average of $1.20, traded Dec 5, 2025, filed Dec 9, 2025.

Conviction score
51
Value
$16k
13,740 shares
Holdings after
4,580
change unknown
From 52-week low
+38%
low $0.87, close $1.20
From 52-week high
-52%
high $2.48, as of Dec 5, 2025

Score components

  • Role
    Director
    +15
  • Trade size
    $16k at market
    0
  • Relative to holdings
    First purchase: no shares before this trade
    +8
  • Price context
    52% below the 52-week high
    +8
  • Cluster
    3 insiders buying within 14 days
    +15
  • Repeat buying
    4 buys in 90 days
    +5
  • Track record
    Too few past buys to judge (1 with prices)
    0

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.

This signal so far: 1m +23.0%, 3m +11.1%, 6m -3.7%.

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 9, 2026 · close 1.22
Since filing Dec 9, 2025: -9.6%SPY +15.1% · excess -24.8%

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 0001878313-25-000063, as filed. Open on EDGAR

DateTransactionSharesPriceValueHoldings afterFiled
Dec 5, 2025POpen-market purchase
Common Stockindirect: See footnote
+4,580$1.20$5,4954,580Dec 9, 2025
Dec 5, 2025POpen-market purchase
Common Stockindirect: See footnote
+4,580$1.19$5,4504,580Dec 9, 2025
Dec 5, 2025POpen-market purchase
Common Stockindirect: See footnote
+4,580$1.20$5,4964,580Dec 9, 2025

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
$2,386
1,794 shares
+0%
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%

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.

Stan Smith bought $16k of MAIA | InsiderTell