Qing Bill Sun bought $263k of YCY
Chief Executive Officer at AA Mission Acquisition Corp. II. 26,250 shares at an average of $10.00, traded Oct 9, 2025, filed Oct 14, 2025.
Score components
- +25RoleCEO
- +13Trade size$262k at market
- -5Relative to holdingsUnder 1% of holdings (0.8%)
- 0Price contextNo price history yet
- +8Cluster2 insiders buying within 14 days
- +5Repeat buying2 buys in 90 days
- 0Track recordToo few past buys to judge (0 with prices)
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.
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 0001213900-25-098874, as filed. Open on EDGAR
| Date | Transaction | Shares | Price | Value | Holdings after | Filed |
|---|---|---|---|---|---|---|
| Oct 9, 2025 | POpen-market purchase Class A ordinary shares, par value $0.0001 per shareindirect: See footnote | +26,250 | $10.00 | $263k | 3,235,250 | Oct 14, 2025 |
| Oct 9, 2025 | POpen-market purchase Private Placement Warrantsderivativeindirect: See footnote | +13,125 | $10.00 | $131k | 180,125 | Oct 14, 2025 |
Related signals
Other insiders at AA Mission Acquisition Corp. II and this insider’s other filings.
| Score | Company | Insider | Value | Holdings | Filed |
|---|---|---|---|---|---|
| 28Weak | AA Mission Acquisition Corp. II | Mission Sponsor AA II owner | $263k 26,250 shares | +1% | |
| 43Moderate | AA Mission Acquisition Corp. II | Mission Sponsor AA II owner | $3.3M 334,000 shares | +12% | |
| 61Notable | 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.