SECURITIES AND EXCHANGE COMMISSION
                             Washington, D.C. 20549


FORM 11-K

|X|      ANNUAL REPORT PURSUANT TO SECTION 15(d) OF THE SECURITIES EXCHANGE ACT
         OF 1934 For the fiscal year ended December 31, 2001

         or

|_|      TRANSITION REPORT PURSUANT TO SECTION 15(d) OF THE SECURITIES EXCHANGE
         ACT OF 1934
         For the transition period from ____________ to ____________

Commission File Number:  0-795

       A.     Full title of the plan and address of the plan, if different from
              that of the issuer named below:

                            BADGER PAPER MILLS, INC.
                PROFIT SHARING PLAN AND TRUST FOR UNION EMPLOYEES

       B.     Name of issuer of the securities held pursuant to the plan and the
              address of its principal executive office:

                            BADGER PAPER MILLS, INC.
                              200 West Front Street
                            Peshtigo, Wisconsin 54157




REQUIRED INFORMATION

       The following financial statements and schedules of the Badger Paper
Mills, Inc. Profit Sharing Plan and Trust for Union Employees, prepared in
accordance with the financial reporting requirements of the Employee Retirement
Income Security Act of 1974, as amended, are filed herewith.


                                       2


Financial statements and report of independent certified public accountants

Badger Paper Mills, Inc. Profit Sharing Plan and Trust for Union Employees

December 31, 2001 and 2000


                                       3

                                 C O N T E N T S



                                                                           Page
Report Of Independent Certified Public Accountants                           5

Financial Statements

     Statements Of Net Assets Available For Benefits                         6

     Statements Of Changes In Net Assets Available For Benefits              7

     Notes To Financial Statements                                           8

Supplementary Information

     Report Of Independent Certified Public Accountants

       On Supplementary Information                                         14

     Schedule H, Line 4(i) - Schedule Of Assets Held At End Of Year         15


                                       4



               REPORT OF INDEPENDENT CERTIFIED PUBLIC ACCOUNTANTS



Trust Administrative Committee
Badger Paper Mills, Inc. Profit Sharing Plan
   and Trust For Union Employees


We have audited the accompanying statements of net assets available for benefits
of Badger Paper Mills, Inc. Profit Sharing Plan and Trust for Union Employees as
of December 31, 2001 and 2000, and the related statements of changes in net
assets available for benefits for the years then ended. These financial
statements are the responsibility of the Plan's management. Our responsibility
is to express an opinion on these financial statements based on our audits.

We conducted our audits in accordance with auditing standards generally accepted
in the United States of America. Those standards require that we plan and
perform the audits to obtain reasonable assurance about whether the financial
statements are free of material misstatement. An audit includes examining, on a
test basis, evidence supporting the amounts and disclosures in the financial
statements. An audit also includes assessing the accounting principles used and
significant estimates made by management, as well as evaluating the overall
financial statement presentation. We believe our audits provide a reasonable
basis for our opinion.

In our opinion, the financial statements referred to above present fairly, in
all material respects, the net assets available for benefits of Badger Paper
Mills, Inc. Profit Sharing Plan and Trust for Union Employees as of December 31,
2001 and 2000, and the changes in net assets available for benefits for the
years then ended in conformity with accounting principles generally accepted in
the United States of America.



/s/ Grant Thornton LLP

Appleton, Wisconsin
May 21, 2002



                                       5

                            Badger Paper Mills, Inc.
                Profit Sharing Plan and Trust for Union Employees

                 STATEMENTS OF NET ASSETS AVAILABLE FOR BENEFITS

                                  December 31,



                       ASSETS                  2001                  2000
                                       -------------------   -------------------

Investments, at fair value
     Common trust funds                 $      11,049,177     $       5,808,877
     Mutual funds                              20,109,670            29,036,883
     Common stock                                  62,114                23,059
                                       -------------------   -------------------
                                               31,220,961            34,868,819

Employer contributions receivable                 445,451               310,133

Accrued income                                         29                     5
                                       -------------------   -------------------

     Total assets                              31,666,441            35,178,957
                                       -------------------   -------------------

                 LIABILITIES

Miscellaneous payable                              30,636                 9,364
                                       -------------------   -------------------

     Total liabilities                             30,636                 9,364
                                       -------------------   -------------------

NET ASSETS AVAILABLE FOR BENEFITS       $      31,635,805     $      35,169,593
                                       ===================   ===================



The accompanying notes are an integral part of these statements.



                                       6


                            Badger Paper Mills, Inc.
                Profit Sharing Plan and Trust for Union Employees

           STATEMENTS OF CHANGES IN NET ASSETS AVAILABLE FOR BENEFITS

                             Year ended December 31,


                                                                                    2001                   2000
                                                                             -------------------    -------------------
Additions to net assets available for benefits:
     Investment income:
                                                                                               
         Interest income and dividends                                        $       184,104        $       368,536

     Contributions
         Employee contributions                                                       488,958                532,572
         Employer contributions                                                       445,451                310,133
                                                                             -------------------    -------------------
                                                                                      934,409                842,705
                                                                             -------------------    -------------------

              Total additions                                                       1,118,513              1,211,241
                                                                             -------------------    -------------------

Deductions from net assets available for benefits:
     Net depreciation in fair value of investments                                  2,344,550              1,408,584
     Benefits paid to participants                                                  2,147,836              2,201,477
     Trust and other fees                                                              34,075                 32,712
                                                                             -------------------    -------------------

              Total deductions                                                      4,526,461              3,642,773
                                                                             -------------------    -------------------

DECREASE IN NET ASSETS                                                             (3,407,948)            (2,431,532)
   AVAILABLE FOR BENEFITS

Net assets available for benefits:
     Beginning of year                                                             35,169,593             37,644,812
     Transfer to Badger Paper Mills, Inc. Profit Sharing
         Plan and Trust for Non-Union Employees                                      (125,840)               (43,687)
                                                                             -------------------    -------------------

              Net assets available for benefits at end of year                $    31,635,805        $    35,169,593
                                                                             ===================    ===================





The accompanying notes are an integral part of these statements.


                                       7

                            Badger Paper Mills, Inc.
                Profit Sharing Plan and Trust for Union Employees

                          NOTES TO FINANCIAL STATEMENTS

                           December 31, 2001 and 2000



NOTE A - PLAN DESCRIPTION

     The following brief description of Badger Paper Mills, Inc. Profit Sharing
     Plan and Trust for Union Employees (the "Plan") is provided for general
     information purposes only. Participants should refer to the Plan agreement
     for more complete information.

1.       General

     The Plan is a defined contribution pension plan that covers substantially
     all union employees of Badger Paper Mills, Inc. (the "Company") at the
     Paper Products division that have attained the age of 18. Employees who
     have completed at least ninety days of service with the company are
     eligible to make 401(K) contributions. Employees are eligible to receive an
     allocation of the company's contribution after the completion of one year
     of service. It is subject to the provisions of the Employee Retirement
     Income Security Act of 1974 (ERISA) and subsequent legislation.

2.       Contributions

     The company contributes to the Plan each year under the addition of two
     methods. In the first method, the company contributes the greater of (1)
     25% of its adjusted net income, as defined in the Plan, for the year, (2)
     25% of its adjusted net income, as defined in the Plan, for the year,
     calculated solely with reference to the Paper Product division or (3) 4% of
     the total compensation paid to Plan participants during the year plus 4% of
     the excess compensation over the social security wage base. Under the
     second method, the Company contributes to the Plan an additional
     contribution of one percent bonus for each three percent EBIT the Company
     earns, up to a maximum contribution of 6% at 15% EBIT. The percent EBIT is
     calculated by dividing the earnings before interest and taxes by net sales.
     The EBIT calculation will be determined by Paper Products sales and
     earnings and will not include the Badger Flexible Packaging Division's
     numbers. The maximum contribution to the profit sharing accounts on a
     yearly basis is 10% in total.

     A cash or deferred arrangement plan, known as CODA, as authorized by
     Section 401(k) of the Internal Revenue Code (IRC), allows employees to
     defer a portion of their compensation up to the applicable IRC limits by
     having it contributed by the Company to their individual account in the
     Plan.


                                       8

                            Badger Paper Mills, Inc.
                Profit Sharing Plan and Trust for Union Employees

                    NOTES TO FINANCIAL STATEMENTS - CONTINUED

                           December 31, 2001 and 2000



NOTE A - PLAN DESCRIPTION - Continued

3.       Vesting

     Participants are at all times fully vested in the value of their accounts
     attributable to their voluntary contributions.

     In 2001 and 2000, participants become 20% vested in the Company's profit
     sharing contribution following three years of service and are additionally
     vested at 20% for each year of additional service up to seven years of
     service, at which time participants are fully vested. Upon death,
     disability or retirement, participants are automatically 100% vested
     regardless of years of service.

     Effective January 1, 2002, vesting is in accordance with the following
     graduated vesting schedule:

              Years of service                 Nonforfeitable percentage
              ----------------                 -------------------------
              Less than 1                                  0%
              1                                           33
              2                                           66
              3 or more                                  100

4.       Benefits

     On termination of service due to death, disability or retirement, the
     participant or beneficiary is entitled to receive the full value of the
     participant's account. Upon a participant's termination from employment
     with the Company for a reason other than death, disability or retirement,
     the participant is entitled to the vested balance in their account.

     The method of distribution for account balances exceeding $5,000 will be
     determined by an election made by the Plan participant. The methods
     available are lump sum, direct rollover, installment payments or part
     installments and lump sum. The standard method for account balances less
     than $5,000 is lump sum payments.

5.       Plan Termination

     Although it has not expressed any intent to do so, the Company has the
     right under the Plan to discontinue its contributions at any time and to
     terminate the Plan subject to the provisions of ERISA. Participants will
     become fully vested upon termination of the Plan.


                                       9

                            Badger Paper Mills, Inc.
                Profit Sharing Plan and Trust for Union Employees

                    NOTES TO FINANCIAL STATEMENTS - CONTINUED

                           December 31, 2001 and 2000


NOTE A - PLAN DESCRIPTION - Continued

6.       Participant Accounts

     Each participant's account is credited with the participant's contribution,
     an allocation of the Company's profit sharing contribution, Plan earnings
     and forfeitures of terminated participants' nonvested accounts. The
     participants share in the Company's contributions and forfeitures on the
     basis of allocated shares. Shares are determined through a formula based
     upon each participant's earnings and number of years of service with the
     Company.


NOTE B - SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES

     The financial statements of the Plan have been prepared in conformity with
     accounting principles generally accepted in the United States of America as
     applied to profit sharing plans.

     A summary of the significant accounting policies consistently applied in
     the preparation of the accompanying financial statements follows.

1.       Use of Estimates

     In preparation of the financial statements in conformity with accounting
     principles generally accepted in the United States of America, management
     is required to make estimates and assumptions that affect the reported
     amounts of assets and liabilities, the disclosure of contingent assets and
     liabilities at the date of the financial statements and the reported
     amounts of revenues and expenses during the reported period. Actual results
     could differ from those estimates.

2.       Basis of Accounting

     The financial statements of the Plan are prepared on an accrual basis.

3.       Valuation of Investments

     The Plan's investments are held by Wells Fargo Bank Minnesota, N.A. (the
     "Trustee").  Plan  investments are stated at market value as reported by
     the Plan Trustee.

     Investments in securities traded on a national securities exchange are
     valued at the last reported sales price on the last business day of the
     year; securities traded in the over-the-counter market and listed
     securities for which no sale was reported on that date are valued at the
     mean between the last reported bid and asked prices. Investments in mutual
     funds are stated at a value based upon the per unit allocation of the
     funds' net assets, stated at fair value on the last business day of the
     year.


                                       10


                            Badger Paper Mills, Inc.
                Profit Sharing Plan and Trust for Union Employees

                    NOTES TO FINANCIAL STATEMENTS - CONTINUED

                           December 31, 2001 and 2000



NOTE C - INVESTMENTS

     The following schedule presents the investments held by the Trustee in each
     fund at December 31, 2001 and 2000. Investments that represent 5% or more
     of the Plan's net assets are separately identified.



                                                      2001                  2000
                                                 -----------------    ----------------
    Common Trust Funds:
                                                                
    Wells Fargo Stable Return Fund                $   10,668,891      $    5,575,211
    Other                                                380,286             233,666

    Mutual Funds:
    Wells Fargo Growth Balanced Fund                   5,927,723           7,879,403
    Wells Fargo Growth Equity Fund                     2,905,872           4,721,807
    Wells Fargo Diversified Equity Fund                2,916,188           4,489,943
    Janus Overseas Fund                                  933,882           2,631,883
    Wells Fargo Large Company Growth Fund              1,937,666           3,078,149
    Wells Fargo Small Cap Opportunities Fund           3,902,583           4,749,986
    Other                                              1,585,756           1,485,712

    Other                                                 62,114              23,059
                                                 ----------------    -----------------

                                                  $   31,220,961      $   34,868,819
                                                 ================    =================


     The Plan's investments (including investments bought, sold and held during
     the year) appreciated (depreciated) in value as follows for the years ended
     December 31,

                                        2001                      2000
                                 --------------------     ---------------------

    Common trust funds            $          456,735       $         312,314
    Mutual funds                          (2,810,212)             (1,697,220)
    Common stock                               8,927                 (23,678)
                                 --------------------     ---------------------

                                  $       (2,344,550)      $      (1,408,584)
                                 ====================     =====================


                                       11


                            Badger Paper Mills, Inc.
                Profit Sharing Plan and Trust for Union Employees

                    NOTES TO FINANCIAL STATEMENTS - CONTINUED

                           December 31, 2001 and 2000



NOTE D - ADMINISTRATIVE EXPENSES

     All administrative expenses in connection with the operation of the Plan
     are paid from Plan earnings.


NOTE E - INCOME TAX STATUS

     The Plan obtained its latest determination letter on February 25, 1999, in
     which the Internal Revenue Service stated that the Plan was designed in
     accordance with applicable requirements of the IRC. Since receiving the
     determination letter, the Plan has been amended. However, the plan
     administrator and the Plan's tax counsel believe that the amended Plan is
     designed and is currently being operated in compliance with the applicable
     requirements of the IRC.


NOTE F - RECLASSIFICATIONS

     Certain reclassifications have been made to the 2000 balances to conform to
     the presentation adopted in the current fiscal year.



                                       12


                            SUPPLEMENTARY INFORMATION




                                       13



               REPORT OF INDEPENDENT CERTIFIED PUBLIC ACCOUNTANTS
                          ON SUPPLEMENTARY INFORMATION



Trust Administrative Committee
Badger Paper Mills, Inc. Profit Sharing Plan
   and Trust for Union Employees


Our audits were conducted for the purpose of forming an opinion on the basic
financial statements taken as a whole of Badger Paper Mills, Inc. Profit Sharing
Plan and Trust for Union Employees as of December 31, 2001 and 2000 and for the
years then ended, which are presented in the preceding section of this report.
The supplementary schedule is presented for the purpose of additional analysis
and is not a required part of the basic financial statements but is
supplementary information required by the Department of Labor's Rules and
Regulations for Reporting and Disclosure under the Employee Retirement Income
Security Act of 1974. Such information has been subjected to the auditing
procedures applied in the audits of the basic financial statements and, in our
opinion, is fairly stated in all material respects in relation to the basic
financial statements taken as a whole.



/s/ Grant Thornton LLP


Appleton, Wisconsin
May 21, 2002


                                       14


                               Badger Paper Mills, Inc.
                       Profit Sharing Plan and Trust for Union Employees

                  SCHEDULE H, LINE 4(i) - SCHEDULE OF ASSETS HELD AT END OF YEAR

                             Employer ID # 39-0143840 - Plan # 001

                                December 31, 2001

                                                         (c) Description of investment
                                                            including maturity date,
                (b) Identity of issuer, borrower,         rate of interest, collateral,
   (a)              lessor or similar party                   par or maturity value               (e) Current value
- ----------     -------------------------------------    ------------------------------------     --------------------

                                                                                             
    *          Wells Fargo Bank, N.A.                    Stable Return Fund                           $   10,668,891
                                                         Short-Term Investment Fund                           35,831
                                                         S & P 500 Collective Fund                           344,455
                                                                                                      --------------
                                                                                                          11,049,177

    *          Wells Fargo Bank, N.A.                    Growth Balanced Fund                              5,927,723
                                                         Growth Equity Fund                                2,905,872
                                                         Large Company Growth Fund                         1,937,666
                                                         Strategic Income Fund                             1,417,914
                                                         Diversified Equity Fund                           2,916,188
                                                         Small Cap Opportunities Fund                      3,902,583

    *          Janus                                     Overseas Fund                                       933,882
    *          MSIF Trust                                Mid Cap Growth Portfolio Fund                       167,842
                                                                                                      --------------
                                                                                                          20,109,670

    *          Badger Paper Mills, Inc.                  Common Stock                                         62,114
                                                                                                      --------------

                                                                                                      $   31,220,961


* Indicates party-in-interest investment.



                                       15


                                   SIGNATURES


       Pursuant to the requirements of the Securities Exchange Act of 1934, the
Profit Sharing Trust Committee for Union Employees, which administers the Plan,
has duly caused this Annual Report to be signed on its behalf by the
undersigned, thereunto duly authorized, in the City of Peshtigo, and State of
Wisconsin, on this 26th day of June, 2002.

                                            BADGER PAPER MILLS, INC. PROFIT
                                            SHARING PLAN AND TRUST FOR UNION
                                            EMPLOYEES



                                            By: /s/  Michael J. Bekes
                                               ---------------------------------
                                                Michael J. Bekes



                                            By: /s/  Michael E. Staffeldt
                                               ---------------------------------
                                                Michael E. Staffeldt



                                            By: /s/  Kenneth W. Berman
                                               ---------------------------------
                                                Kenneth W. Berman






       The foregoing persons are all of the members of the Profit Sharing Trust
Committee for Union Employees which is the administrator of the Badger Paper
Mills, Inc. Profit Sharing Plan and Trust for Union Employees.


                                       16


EXHIBIT INDEX


BADGER PAPER MILLS, INC.
PROFIT SHARING PLAN AND TRUST FOR UNION EMPLOYEES


FORM 11-K

  Exhibit No.                 Exhibit                            Page No.
  ----------                  -------                            --------

    (23.1)         Consent of Grant Thornton LLP                    18




                                       17