SECURITIES AND EXCHANGE COMMISSION
                              Washington, DC 20549

                                 SCHEDULE 13G/A
                                 (Rule 13d-102)

             INFORMATION TO BE INCLUDED IN STATEMENTS FILED PURSUANT
          TO RULES 13d-1(b), (c), AND (d) AND AMENDMENTS THERETO FILED
                             PURSUANT TO RULE 13d-2

                          (Amendment No.______3______)*

                               Winmark Corporation
                               -------------------
                                (Name of Issuer)

                           Common Stock, no par value
                           --------------------------
                         (Title of Class of Securities)

                                   032681 10 8
                                   -----------
                                 (CUSIP Number)

                                December 31, 2006
                                -----------------
             (Date of Event Which Requires Filing of this Statement)

      Check the appropriate box to designate the rule pursuant to which this
Schedule is filed:

            |_|   Rule 13d-1(b)

            |_|   Rule 13d-1(c)

            |X|   Rule 13d-1(d)

----------
*     The remainder of this cover page shall be filled out for a reporting
      person's initial filing on this form with respect to the subject class of
      securities, and for any subsequent amendment containing information which
      would alter the disclosures provided in a prior cover page.

      The information required in the remainder of this cover page shall not be
deemed to be "filed" for the purpose of Section 18 of the Securities Exchange
Act of 1934 or otherwise subject to the liabilities of that section of the Act
but shall be subject to all other provisions of the Act (however, see the
Notes).



CUSIP No. 032681 10 8                  13G                     Page 2 of 6 Pages
--------------------------------------------------------------------------------
1.  NAME OF REPORTING PERSONS
    I.R.S. IDENTIFICATION NO. OF ABOVE PERSONS (ENTITIES ONLY)

       K. Jeffrey Dahlberg
--------------------------------------------------------------------------------
2.  CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP*

                                                                        (a)  |_|
                                                                        (b)  |_|

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3.  SEC USE ONLY

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4.  CITIZENSHIP OR PLACE OF ORGANIZATION

       USA

--------------------------------------------------------------------------------
  NUMBER OF    5.   SOLE VOTING POWER

   SHARES           382,291
               -----------------------------------------------------------------
BENEFICIALLY   6.   SHARED VOTING POWER

  OWNED BY          0
               -----------------------------------------------------------------
    EACH       7.   SOLE DISPOSITIVE POWER

  REPORTING         382,291
               -----------------------------------------------------------------
   PERSON      8.   SHARED DISPOSITIVE POWER

    WITH            0

--------------------------------------------------------------------------------
9.  AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON

       382,291

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10. CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES*
       See Exhibit A                                                         |X|

--------------------------------------------------------------------------------
11. PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9)

       6.8%

--------------------------------------------------------------------------------
12. TYPE OF REPORTING PERSON*

IN

--------------------------------------------------------------------------------



CUSIP No. 032681 10 8                  13G                     Page 3 of 6 Pages
--------------------------------------------------------------------------------
Item 1(a). Name of Issuer:

           Winmark Corporation
--------------------------------------------------------------------------------
Item 1(b). Address of Issuer's Principal Executive Offices:

           4200 Dahlberg Drive, Minneapolis, MN 55422
--------------------------------------------------------------------------------
Item 2(a). Name of Person Filing:

           K. Jeffrey Dahlberg
--------------------------------------------------------------------------------
Item 2(b). Address of Principal Business Office, or if None, Residence:

           1040 High Lake View, Colorado Springs, CO 80906
--------------------------------------------------------------------------------
Item 2(c). Citizenship:

           USA
--------------------------------------------------------------------------------
Item 2(d). Title of Class of Securities:

           Common Stock, no par value
--------------------------------------------------------------------------------
Item 2(e). CUSIP Number:

           032681 10 8
--------------------------------------------------------------------------------
Item 3.    If This Statement is Filed Pursuant to Rule 13d-1(b), or 13d-2(b)
           or (c), Check Whether the Person Filing is a:

   (a) |_| Broker or dealer registered under Section 15 of the Exchange Act.

   (b) |_| Bank as defined in Section 3(a)(6) of the Exchange Act.

   (c) [_] Insurance company as defined in Section 3(a)(19) of the Exchange Act.

   (d) |_| Investment company registered under Section 8 of the Investment
           Company Act.

   (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;

   (i) |_| A church plan that is excluded from the definition of an investment
           company under Section 3(c)(14) of the Investment Company Act;

   (j) |_| Group, in accordance with Rule 13d-1(b)(1)(ii)(J).



CUSIP No. 032681 10 8                    13G                   Page 4 of 6 Pages

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:
                382,291

             -------------------------------------------------------------------
         (b) Percent of class:

             6.8% (based upon 5,644,542 shares outstanding as of November 2,
             2006, as reported in the Issuer's Quarterly Reported filed on
             November 13, 2006)

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

             (i)   Sole power to vote or to direct the vote: 382,291

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

             (iii) Sole power to dispose or to direct the disposition of:
                   382,291

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

--------------------------------------------------------------------------------
Item 5.  Ownership of Five Percent or Less of a Class.

         N/A

--------------------------------------------------------------------------------
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

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Item 9.  Notice of Dissolution of Group.

         N/A

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Item 10. Certifications.

         (a) Not applicable

         (b) Not applicable



                                    SIGNATURE

      After reasonable inquiry and to the best of my knowledge and belief, I
certify that the information set forth in this statement is true, complete and
correct.


Dated: January 23, 2007                      /s/ K. Jeffrey Dahlberg
                                             -----------------------------------
                                             K. JEFFREY DAHLBERG



                                   EXHIBIT A

This information is provided for informational purposes only. These securities
are not included on page 2, item 11.

Entity                                        Number of shares
------                                        ----------------
Trust for the benefit of Reporting Person's        225,000
children. The Reporting Person's spouse is
the sole trustee.

The reporting person is not a trustee of such trust and disclaims beneficial
ownership of these shares.