x Rule 13d-1(b)

o Rule 13d-1(c)

o Rule 13d-1(d)

CUSIP No. 56063E 105

13G

1

Names of Reporting Persons

TCF Financial Corporation

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

DE

Number of

Shares

Beneficially

Owned by

Each

Reporting

Person

With:

5

Sole Voting Power

0

6

Shared Voting Power

0

7

Sole Dispositive Power

0

8

Shared Dispositive Power

0

9

Aggregate Amount Beneficially Owned by Each Reporting Person

0

10

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

11

Percent of Class Represented by Amount in Row 9

0.0%

12

Type of Reporting Person (See Instructions)

BK

Item 1(a).

Name of Issuer:

MainStreet Bankshares, Inc.

Item 1(b).

Address of Issuer’s Principal Executive Offices:

700 East Church Street, Suite 12

Martinsville, VA  24112

Item 2(a).

Name of Person Filing:

TCF Financial Corporation

Item 2(b).

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

200 Lake Street East

Wayzata, Minnesota 55391

Item 2(c).

Citizenship:

Delaware corporation

Item 2(d).

Title of Class of Securities:

Common Stock, No Par Value

Item 2(e).

CUSIP Number:

56063E 105

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.

(b)

x

Bank as defined in section 3(a)(6) of the Act.

(c)

o

Insurance company as defined in section 3(a)(19) of the Act.

(d)

o

Investment company registered under section 8 of the Investment Company Act of 1940.

(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.

(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.

(j)

o

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

(k)

o

Group, in accordance with § 240.13d-1(b)(1)(ii)(K).

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

Item 4.    Ownership.

(a)  Amount beneficially owned: 0 shares

(b)  Percent of class: 0.0%

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

(i) Sole power to vote or to direct the vote: 0 shares

(ii) Shared power to vote or to direct the vote: 0 shares

(iii) Sole power to dispose or to direct the disposition of: 0 shares

(iv) Shared power to dispose or to direct the disposition of: 0 shares

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 five percent of the class of securities, check the following x.

Item 6.      Ownership of More than Five Percent on Behalf of Another Person. N/A

Item 7.      Identification and Classification of the Subsidiary Which Acquired the Security Being Reported on By the Parent Holding Company or Control Person.  N/A

Item 8.      Identification and Classification of Members of the Group.  N/A

Item 9.      Notice of Dissolution of Group.  N/A

Item 10.   Certifications.

By signing below I certify that, to the best of my knowledge and belief, the securities referred to above were acquired and are held in the ordinary course of business and were not acquired and are not held for the purpose of or with the effect of changing or influencing the control of the issuer of the securities and were not acquired and are not held in connection with or as a participant in any transaction having that purpose or effect.

TCF FINANCIAL CORPORATION

February 3, 2014

(Date)

/s/ Joseph T. Green

(Signature)

Joseph T. Green, Senior Vice President, General Counsel and Secretary

(Name and Title)