Insider · CIK 0002031421
Qing Bill Sun
Files at YCY (AA Mission Acquisition Corp. II). First filing Oct 6, 2025, latest Oct 14, 2025.
Qing Bill Sun files SEC Form 4 as CEO, director and 10% owner at YCY (AA Mission Acquisition Corp. II). Since Oct 6, 2025, Qing Bill Sun has reported 2 open-market buys worth $3.6M and 0 open-market sells worth $0, the latest filed on Oct 14, 2025.
A track record needs three past buys with six months of prices behind them; Qing Bill Sun has 0, so none is measured yet.
The newest scored trade: bought $263k of YCY on Oct 9, 2025, filed Oct 14, 2025, scored 46 (moderate). In the last 12 months: 1 buy worth $263k and 0 sells worth $0.
Where the trades landed
Last year at the company this insider has traded most, with each buy and sell on the bar it happened.
YCY: AA Mission Acquisition Corp. II
Daily candles, adjusted for splits and dividends. Green arrows are insider buys, red are sells, sized by value. Click a marked bar to open the signal.Charts by TradingView Lightweight Charts™
Signals
This insider’s open-market buys and sells, scored.
| Score | Company | Value | Holdings | Price context | Filed |
|---|---|---|---|---|---|
| 46Moderate | AA Mission Acquisition Corp. II | $263k 26,250 shares | +1% | - | |
| 61Notable | AA Mission Acquisition Corp. II | $3.3M 334,000 shares | +12% | - |
Transactions
Every row this insider has filed, 4 in all, newest first.
| Date | Company | Transaction | Shares | Price | Value | Holdings after | Filed |
|---|---|---|---|---|---|---|---|
| Oct 9, 2025 | YCY AA Mission Acquisition Corp. II | 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 | YCY AA Mission Acquisition Corp. II | POpen-market purchase Private Placement Warrantsderivativeindirect: See footnote | +13,125 | $10.00 | $131k | 180,125 | Oct 14, 2025 |
| Oct 2, 2025 | YCY AA Mission Acquisition Corp. II | POpen-market purchase Class A ordinary shares, par value $0.0001 per shareindirect: See footnote | +334,000 | $10.00 | $3.3M | 3,209,000 | Oct 6, 2025 |
| Oct 2, 2025 | YCY AA Mission Acquisition Corp. II | POpen-market purchase Private Placement Warrantsderivativeindirect: See footnote | +167,000 | $10.00 | $1.7M | 334,000 | Oct 6, 2025 |
Questions about Qing Bill Sun
Answered from the filings on this page, as of the latest one.
Is Qing Bill Sun buying or selling?
In the last 12 months Qing Bill Sun reported 1 open-market buy worth $263k and 0 open-market sells worth $0 on SEC Form 4; the latest was bought $263k of YCY on Oct 9, 2025. Grants, option exercises and tax withholding are not counted.
How did Qing Bill Sun's past buys perform?
Not measured yet. InsiderTell needs three past buys with six months of prices to publish a track record, and Qing Bill Sun has 0.
Where does Qing Bill Sun file Form 4?
Qing Bill Sun has filed Form 4 at YCY (AA Mission Acquisition Corp. II) as Chief Executive Officer. A Form 4 is required of officers, directors and holders of more than 10% of a share class within two business days of a trade.
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.