Qing Bill Sun - 30 Sep 2025 Form 3 Insider Report for AA Mission Acquisition Corp. II (YCY)

Role: Chief Executive Officer, Director, 10%+ Owner
Signature: /s/ Qing Bill Sun
Issuer symbol: YCY
Transactions as of: 30 Sep 2025
Net transactions value: $0
Form type: 3
Filing time: 01 Oct 2025, 07:01:48 UTC
Previous filing: 11 Sep 2024
Next filing: 06 Oct 2025
SEC: View on sec.gov

Reporting Owners (1)

Name	Relationship	Address	Signature	Signature date	CIK
Sun Qing Bill	Chief Executive Officer, Director, 10%+ Owner	C/O AA MISSION ACQUISITION CORP. II, 21 WATERWAY AVENUE, STE 300 #9733, THE WOODLANDS	/s/ Qing Bill Sun	01 Oct 2025	0002031421

Transactions Table

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Ownership	Footnotes
holding	YCY	Class B Ordinary Shares, par value $0.0001 per share						2,875,000	30 Sep 2025	See footnote	F1

* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id	Content
F1	The Class B Ordinary Shares beneficially owned by the Reporting Person include 375,000 Class B Ordinary Shares subject to forfeiture to the Issuer depending on the extent to which the underwriters' over-allotment option is exercised in connection with the Issuer's initial public offering of units, as described in the Registration Statement. Qing Bill Sun is the managing member of AA Mission Sponsor II and has sole voting and investment discretion with respect to the Class B Ordinary Shares held of record by the sponsor. Qing Bill Sun disclaims any beneficial ownership of any Class B Ordinary Shares held by the sponsor except to the extent of his respective pecuniary interest therein.

Content

The Class B Ordinary Shares beneficially owned by the Reporting Person include 375,000 Class B Ordinary Shares subject to forfeiture to the Issuer depending on the extent to which the underwriters' over-allotment option is exercised in connection with the Issuer's initial public offering of units, as described in the Registration Statement. Qing Bill Sun is the managing member of AA Mission Sponsor II and has sole voting and investment discretion with respect to the Class B Ordinary Shares held of record by the sponsor. Qing Bill Sun disclaims any beneficial ownership of any Class B Ordinary Shares held by the sponsor except to the extent of his respective pecuniary interest therein.