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buyWeak cluster of 2

Mission Sponsor AA II bought $263k of YCY

owner at AA Mission Acquisition Corp. II. 26,250 shares at an average of $10.00, traded Oct 9, 2025, filed Oct 14, 2025.

Conviction score
28
Value
$263k
26,250 shares
Holdings after
3,235,250
+1% from before
From 52-week low
-
no price yet
From 52-week high
-
no price yet

Score components

  • Role
    10% owner
    +12
  • Trade size
    $262k at market
    +13
  • Relative to holdings
    Under 1% of holdings (0.8%)
    -5
  • Price context
    No price history yet
    0
  • Cluster
    2 insiders buying within 14 days
    +8
  • Repeat buying
    2 buys in 90 days
    +5
  • Track record
    Too few past buys to judge (0 with prices)
    0
  • Outside holder
    A 10% owner who is not an officer or director
    -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.

This signal so far: 1m +0.7%, 3m +0.5%, 6m +1.2%.

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.

YCYOct 13, 2026 · close 10.28
Since filing Oct 29, 2025: +3.5%SPY +18.8% · excess -15.2%

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 0001213900-25-098877, as filed. Open on EDGAR

DateTransactionSharesPriceValueHoldings afterFiled
Oct 9, 2025POpen-market purchase
Class A ordinary shares, par value $0.0001 per share
+26,250$10.00$263k3,235,250Oct 14, 2025
Oct 9, 2025POpen-market purchase
Private Placement Warrantsderivative
+13,125$10.00$131k180,125Oct 14, 2025

Related signals

Other insiders at AA Mission Acquisition Corp. II and this insider’s other filings.

ScoreCompanyInsiderValueHoldingsFiled
46Moderate
YCYbuy 2
AA Mission Acquisition Corp. II
Qing Bill Sun
Chief Executive Officer
$263k
26,250 shares
+1%
43Moderate
YCYbuy 2
AA Mission Acquisition Corp. II
Mission Sponsor AA II
owner
$3.3M
334,000 shares
+12%
61Notable
YCYbuy 2
AA Mission Acquisition Corp. II
Qing Bill Sun
Chief Executive Officer
$3.3M
334,000 shares
+12%

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.

Mission Sponsor AA II bought $263k of YCY | InsiderTell