STAK Inc.

Report of foreign private issuer pursuant to Rule 13a-16 or 15d-16 under the Securities Exchange Act of 1934

Report of foreign private issuer pursuant to Rule 13a-16 or 15d-16 under the Securities Exchange Act of 1934

Report of foreign private issuer pursuant to Rule 13a-16 or 15d-16 under the Securities Exchange Act of 1934

Report of foreign private issuer pursuant to Rule 13a-16 or 15d-16 under the Securities Exchange Act of 1934

Report of foreign private issuer pursuant to Rule 13a-16 or 15d-16 under the Securities Exchange Act of 1934

Prospectus Supplement with Pricing Information

Notice of Effectiveness

Registration statement for securities of certain foreign private issuers (amendment)

Registration statement for securities of certain foreign private issuers

Registration statement / Annual report / Transition report for Foreign Private Issuers

No description available

Report of foreign private issuer pursuant to Rule 13a-16 or 15d-16 under the Securities Exchange Act of 1934

Report of foreign private issuer pursuant to Rule 13a-16 or 15d-16 under the Securities Exchange Act of 1934

Report of foreign private issuer pursuant to Rule 13a-16 or 15d-16 under the Securities Exchange Act of 1934

Report of foreign private issuer pursuant to Rule 13a-16 or 15d-16 under the Securities Exchange Act of 1934

Registration statement under Securities Act of 1933 to be offered to employees pursuant to certain plans

Report of foreign private issuer pursuant to Rule 13a-16 or 15d-16 under the Securities Exchange Act of 1934

Report of foreign private issuer pursuant to Rule 13a-16 or 15d-16 under the Securities Exchange Act of 1934

Prospectus Supplement with Pricing Information

Certification of approval for listing and registration on a national securities exchange

Notice of Effectiveness

Correspondence with the SEC

Correspondence with the SEC

Registration of Securities on Exchange

Registration statement for securities of certain foreign private issuers (amendment)

Free Writing Prospectus

Registration statement for securities of certain foreign private issuers

Draft registration statement (confidential submission) (amendment)

No description available

Draft registration statement (confidential submission) (amendment)

Letter from the SEC

No description available

Draft registration statement (confidential submission) (amendment)

Letter from the SEC

Draft registration statement (confidential submission) (amendment)

No description available

Letter from the SEC

Draft registration statement (confidential submission) (amendment)

No description available

Letter from the SEC

Draft registration statement (confidential submission)

Li Diana

Gao Huyun

Hu Yiqin

Jiang Chuanbo

Xu Ke Dennis

Xu Zhaohui Randall

Beekmans Johannes Antonius Gerardus