Filing Details

o

Rule 13d-1(b)

o

Rule 13d-1(c)

x

Rule 13d-1(d)

CUSIP No. 98585M108

13G

1.

Names of Reporting Persons
Wenbin Chen

2.

Check the Appropriate Box if a Member of a Group (See Instructions)

(a)

o

(b)

o

3.

SEC Use Only

4.

Citizenship or Place of Organization
Hong Kong Special Administrative Region of the People's Republic of China

Number of
Shares
Beneficially
Owned by
Each
Reporting
Person With

5.

Sole Voting Power
401,749,920 Ordinary Shares(3)

6.

Shared Voting Power
0

7.

Sole Dispositive Power
401,749,920 Ordinary Shares (3)

8.

Shared Dispositive Power
0

9.

Aggregate Amount Beneficially Owned by Each Reporting Person
401,749,920 Ordinary Shares

10.

Check if the Aggregate Amount in Row (9) Excludes Certain Shares (See Instructions)  o

11.

Percent of Class Represented by Amount in Row (9)
28.7%

12.

Type of Reporting Person (See Instructions)
IN

CUSIP No. 98585M108

13G

1.

Names of Reporting Persons
Coreworth Investments Limited

2.

Check the Appropriate Box if a Member of a Group (See Instructions)

(a)

o

(b)

o

3.

SEC Use Only

4.

Citizenship or Place of Organization
British Virgin Islands

Number of
Shares
Beneficially
Owned by
Each
Reporting
Person With

5.

Sole Voting Power
400,000,000 Ordinary Shares (4)

6.

Shared Voting Power
0

7.

Sole Dispositive Power
400,000,000 Ordinary Shares (4)

8.

Shared Dispositive Power
0

9.

Aggregate Amount Beneficially Owned by Each Reporting Person
400,000,000 Ordinary Shares

10.

Check if the Aggregate Amount in Row (9) Excludes Certain Shares (See Instructions)  o

11.

Percent of Class Represented by Amount in Row (9)
28.6%

12.

Type of Reporting Person (See Instructions)
CO

Item 1.

(a)

Name of Issuer:
Yintech Investment Holdings Limited (the Issuer)

(b)

Address of the Issuers Principal Executive Offices:
12th Floor, Block B, Zhenhua Enterprise Plaza, No. 3261 Dongfang Road, Pudong District, Shanghai, 200125, The People's Republic of China

Item 2.

(a)

Name of Person Filing:
Wenbin Chen

Coreworth Investments Limited

(b)

Address of Principal Business Office:
Wenbin Chen:

12th Floor, Block B, Zhenhua Enterprise Plaza, No. 3261 Dongfang Road, Pudong District, Shanghai, 200125, The People's Republic of China

Coreworth Investments Limited

P.O. Box 957, Offshore Incorporations Centre, Road Town, Tortola, British Virgin Islands

(c)

Citizenship:
Wenbin Chen is a citizen of Hong Kong Special Administrative Region of the People's Republic of China

Coreworth Investments Limited is organized under the laws of the British Virgin Islands

(d)

Title of Class of Securities:
Ordinary Shares, par value US$0.00001

(e)

CUSIP Number:
98585M108

Item 3.

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:

(a)

o

Broker or dealer registered under section 15 of the Act (15 U.S.C. 78o);

(b)

o

Bank as defined in section 3(a)(6) of the Act (15 U.S.C. 78c);

(c)

o

Insurance company as defined in section 3(a)(19) of the Act (15 U.S.C. 78c);

(d)

o

Investment company registered under section 8 of the Investment Company Act of 1940 (15 U.S.C. 80a-8);

(e)

o

An investment adviser in accordance with §240.13d-1(b)(1)(ii)(E);

(f)

o

An employee benefit plan or endowment fund in accordance with §240.13d-1(b)(1)(ii)(F);

(g)

o

A parent holding company or control person in accordance with §240.13d-1(b)(1)(ii)(G);

(h)

o

A savings association as defined in Section 3(b) of the Federal Deposit Insurance Act (12 U.S.C. 1813);

(i)

o

A church plan that is excluded from the definition of an investment company under section 3(c)(14) of the Investment Company Act (15 U.S.C. 80a-3);

(j)

o

A non-U.S. institution in accordance with § 240.13d1(b)(1)(ii)(J);

(k)

o

Group, in accordance with § 240.13d1(b)(1)(ii)(K). If filing as a non-U.S. institution in accordance with § 240.13d1(b)(1)(ii)(J), please specify the type of institution:____________________________

Not applicable.

Item 4.

Ownership.

Provide the following information regarding the aggregate number and percentage of the class of securities of the issuer identified in Item 1.

(a)

Amount beneficially owned:   

The following information with respect to the ownership of the Ordinary Shares of the Issuer by each of the Reporting Persons is provided as of December 31, 2017. The percentage of Ordinary Shares beneficially owned by each Reporting Person is based on a total of 1,398, 224,000 Ordinary Shares of the Issuer outstanding as of September 30, 2017, as reported in the Issuer's most recent Form 6-K filed on November 29, 2017.

Coreworth Investments Limited, a company incorporated under the laws of the British Virgin Islands, holds 400,000,000 Ordinary Shares. Between the date of the Original 13G and December 31, 2017, Wenbin Chen was vested with certain share options that can be converted into 87,496 ADS, which are equivalent to 1,749,920 Ordinary Shares of the Issuer. Wenbin Chen has not exercised any of the rights associated with the aforementioned share options. Wenbin Chen is the sole shareholder of Coreworth Investments Limited and thus has the sole voting and dispositive power over the Ordinary Shares held by Coreworth Investments Limited. Wenbin Chen does not directly own any Ordinary Shares of the Issuer as of December 31, 2017, and except as disclosed herein, does not have any right to acquire Ordinary Shares within 60 days from December 31, 2017, including through exercise of any option, warrant or right.

(b)

Percent of class:   

See Row 11 of the cover page for each Reporting Person.

(c)

Number of shares as to which the person has:

(i)

Sole power to vote or to direct the vote:   

See Row 5 of the cover page for each Reporting Person.

(ii)

Shared power to vote or to direct the vote:    

0

(iii)

Sole power to dispose or to direct the disposition of:   

See Row 7 of the cover page for each Reporting Person.

(iv)

Shared power to dispose or to direct the disposition of:   

0

Item 5.

Ownership of Five Percent or Less of a 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 5 percent of the class of securities, check the following   o.

Not applicable.

Item 6.

Ownership of More than Five Percent on Behalf of Another Person.

Not applicable.

Item 7.

Identification and Classification of the Subsidiary Which Acquired the Security Being Reported on By the Parent Holding Company or Control Person.

Not applicable.

Item 8.

Identification and Classification of Members of the Group.

Not applicable.

Item 9.

Notice of Dissolution of Group.

Not applicable.

Item 10.

Certifications.

Not applicable.

Dated: February 8, 2018

WENBIN CHEN

By:

/s/ Wenbin Chen

Name: Wenbin Chen

COREWORTH INVESTMENTS LIMITED

By:

/s/ Wenbin Chen

Name: Wenbin Chen

Title: Authorized Signatory