Qing Bill Sun

Qing Bill Sun is CEO at AA Mission Acquisition Corp. (AAM). They have made 4 open-market trades across 2 companies since 2024, most recently 2025-10-09.

CIK 0002031421

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4 open-market purchases totalling $12.1M since 2024, never a sale. Too few scored purchases to measure a record yet.

Also files as

Qing Bill Sun AA Mission Acquisition Sponsor Holdco LLC (entity)

Current Position

Ticker	Shares	Value
AAM	9,474,000	$101.0M
YCY	3,235,250	$32.9M
Total		$133.9M

Shares reported on the most recent Form 4, priced at the 2025-10-14 close.

Grade by Ticker

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Buy Track Record

Filings4

Only 4 discretionary filings — too few to score

Discretionary filings only. 10b5-1 plan trades, tax withholding and option exercises are excluded, and each column is one row per filing rather than per execution lot.

Volume by Type

POpen-Market Purchase

$12.1M

4 filings

Companies

Trade History

4 total

YCYBUY

$263K

2025-10-097d: +1.3%

First-Time BuyerMinimal Holdings IncreaseOpportunistic Buy

•2nd largest purchase, out of 2

•Increased holdings by 12%
•Largest purchase ever, out of 2

AAMBUY

$900K

2024-09-057d: +0.2%

Minimal Holdings IncreaseOpportunistic BuyFirst-Time Buyer

•2nd largest purchase, out of 2

•Increased holdings by 9%
•Largest purchase ever, out of 2

Ticker	Type	Traded	Filed	Price	Value	7d Stock	30d Stock	90d Stock
YCY	BUY	2025-10-09	2025-10-14	$10.00	$263K	+1.3%	+1.0%	+0.9%
YCY	BUY	2025-10-02	2025-10-06	$10.00	$3.3M	+1.3%	+1.2%	+0.5%
AAM	BUY	2024-09-05	2024-09-11	$10.00	$900K	+0.2%	+0.4%	+0.9%
AAM	BUY	2024-08-02	2024-08-06	$10.00	$7.6M	+0.2%	+0.0%	+0.7%

Related Insiders

Grouped by shared companies and similar filing behaviour. This is a similarity measure, not a ranking or a performance signal.