LAIX LAIX Inc

Address of Issuer’s Principal Executive Offices:

3/F, Building B, No. 1687 Changyang Road, Yangpu District, Shanghai, 200090, People’s Republic of China

Name of Persons Filing:

This statement is filed on behalf of each of the following persons (collectively, the “Reporting Persons”):

CMC Lullaby Holdings Limited

CMC Capital Partners II, L.P.

CMC Capital Partners GP II, L.P.

CMC Capital Partners GP II, Ltd.

LaConfiance Investments Ltd

LeBonheur Holdings Ltd

Brilliant Spark Holdings Limited

Ruigang Li

The shares reported herein are held by CMC Lullaby Holdings Limited. CMC Lullaby Holdings Limited is a direct and wholly owned subsidiary of CMC Capital Partners II, L.P. The general partner of CMC Capital Partners II, L.P. is CMC Capital Partners GP II, L.P. The general partner of CMC Capital Partners GP II, L.P. is CMC Capital Partners GP II, Ltd. CMC Capital Partners GP II, Ltd. is wholly owned by LaConfiance Investments Ltd. LaConfiance Investments Ltd is wholly owned by LeBonheur Holdings Ltd. LeBonheur Holdings Ltd is wholly owned by Brilliant Spark Holdings Limited. Brilliant Spark Holdings Limited is wholly owned by Mr. Ruigang Li. Each of the foregoing entities and the individual, as a result and by virtue of the relationships described above, may be deemed to beneficially own the shares held by CMC Lullaby Holdings Limited.

Each of the Reporting Persons disclaims beneficial ownership of the shares reported herein except to the extent of its or his pecuniary interest therein.

Address of Principal Business Office, or if None, Residence:

The principal business address of each Reporting Person is as follows:

c/o CMC Capital Partners HK Limited

Suite 302, 3/F., Cheung Kong Centre,

No. 2 Queen's Road

Central, Hong Kong

Citizenship:

The citizenship of each Reporting Person is as follows:

CMC Lullaby Holdings Limited - Cayman Islands

CMC Capital Partners II, L.P. - Cayman Islands

CMC Capital Partners GP II, L.P. - Cayman Islands

CMC Capital Partners GP II, Ltd. - Cayman Islands

LaConfiance Investments Ltd - British Virgin Islands

LeBonheur Holdings Ltd - British Virgin Islands

Brilliant Spark Holdings Limited - British Virgin Islands

People’s Republic of China
Ruigang Li - China

If this statement is filed pursuant to §§240.13d-1(b) or 240.13d-2(b) or (c), check whether the person filing is:

(a).¨ Broker or dealer registered under Section 15 of the Act (15 U.S.C. 78o).
(b).¨ Bank as defined in Section 3(a)(6) of the Act (15 U.S.C. 78c).
(c).¨ Insurance company as defined in Section 3(a)(19) of the Act (15 U.S.C. 78c).
(d).¨ Investment company registered under Section 8 of the Investment Company Act of 1940 (15 U.S.C. 80a-8).
(e). ¨ An investment adviser in accordance with Rule 13d-1(b)(1)(ii)(E);

(f).¨ An employee benefit plan or endowment fund in accordance with Rule 13d-1(b)(1)(ii)(F);
(g).¨ A parent holding company or control person in accordance with Rule 13d-1(b)(1)(ii)(G);
(h).¨ A savings association as defined in Section 3(b) of the Federal Deposit Insurance Act (12 U.S.C. 1813);
(i).¨ A church plan that is excluded from the definition of an investment company under Section 3(c)(14) of the Investment Company Act of 1940 (15 U.S.C. 80a-3);
(j).¨ A non-U.S. institution in accordance with Rule 13d-1(b)(1)(ii)(J);
(k).¨ A group, in accordance with Rule 13d-1(b)(1)(ii) (A) through (K).

If filing as a non-U.S. institution in accordance with Rule 13d-1(b)(1)(ii)(J), please specify the type of institution:

Ownership:

(a). Amount beneficially owned: See the response to row 9 of the cover page for each Reporting Person.

(b). Percent of class: See the response to row 11 of the cover page for each Reporting Person.

(c). Number of shares as to which such person has:

(i). Sole power to vote or to direct the vote:

See the response to row 5 of the cover page for each Reporting Person.

(ii). Shared power to vote or to direct the vote:

See the response to row 6 of the cover page for each Reporting Person.

(iii). Sole power to dispose or to direct the disposition of:

See the response to row 7 of the cover page for each Reporting Person

(iv). Shared power to dispose or to direct the disposition of:

See the response to row 8 of the cover page for each Reporting Person.

Ownership of Five Percent or Less of the Class:

If this statement is being filed to report the fact that as of the date hereof the reporting person has ceased to be the beneficial owner of more than five percent of the class of securities, check the following ¨.