<PAGE>






                       SECURITIES AND EXCHANGE COMMISSION

                             Washington, D.C. 20549


                                    FORM 8-K

                                 CURRENT REPORT

     Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934



         Date of Report (Date of earliest event reported) August 16, 1999


                     Performance Technologies, Incorporated
             (Exact name of registrant as specified in its charter)


                 Delaware             0-27460             16-1158413
     (State or other jurisdiction    (Commission        (IRS Employer
          of incorporation)           File Number)      Identification No.)


   315 Science Parkway, Rochester, New York                   14620
   (Address of principal executive offices)                 (Zip Code)


        Registrant's telephone number, including area code (716) 256-0200



(Former name or former address, if changed since last report.)


<PAGE>







Item 5.        Other Events.

     On August 16, 1999,  the Board of Directors  of the  Registrant  declared a
three-for-two  stock split in the form of a stock dividend and  distribution  on
shares of the Registrant's  Common Stock,  par value $.01 per share,  payable on
September 1, 1999 to stockholders of record on August 26, 1999.



                                   SIGNATURES

     Pursuant to the  requirements  of the Securities  Exchange Act of 1934, the
Registrant  has duly  caused  this  report  to be  signed  on its  behalf by the
undersigned hereunto duly authorized.


                     PERFORMANCE TECHNOLOGIES, INCORPORATED


Date: August 16, 1999     By:  /s/ Donald L. Turrell
                          --------------------------------
                                   Donald L. Turrell
                                Chief Executive Officer



<PAGE>


                                INDEX TO EXHIBITS


(1)     Underwriting agreement

        Not Applicable.

(2)     Plan of acquisition, reorganization, arrangement, liquidation or
        succession

        Not Applicable.

(4)     Instruments defining the rights of security holders, including
        indentures

        Not Applicable.

(16)    Letter re change in certifying accountant

        Not Applicable.

(17)    Letter re director resignation

        Not Applicable.

(21)    Other documents or statements to security holders

        Not Applicable.

(24)    Consents of experts and counsel

        Not Applicable.

(25)    Power of attorney

        Not Applicable.

(27)    Financial Data Schedule

        Not Applicable.

(99)    Additional Exhibits

        None.
[{"type": "8-K", "sequence": "1", "description": "8-K DATED 8/16/99", "secsgml_size_bytes": 2690}]
{"company-data": {"conformed-name": "PERFORMANCE TECHNOLOGIES INC \\DE\\", "cik": "0001003950", "assigned-sic": "3672", "irs-number": "161158413", "state-of-incorporation": "DE", "fiscal-year-end": "1231"}, "filing-values": {"form-type": "8-K", "act": "34", "file-number": "000-27460", "film-number": "99690584"}, "business-address": {"street1": "315 SCIENCE PKWY", "city": "ROCHESTER", "state": "NY", "zip": "14620", "phone": "7162560200"}, "mail-address": {"street1": "315 SCIENCE PARKWAY", "street2": "315 SCIENCE PARKWAY", "city": "ROCHESTER", "state": "NY", "zip": "14620"}}
SECURITIES AND EXCHANGE COMMISSION

                             Washington, D.C. 20549

                                    FORM 8-K

                                 CURRENT REPORT

     Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934

         Date of Report (Date of earliest event reported) August 16, 1999

                     Performance Technologies, Incorporated
             (Exact name of registrant as specified in its charter)

                 Delaware             0-27460             16-1158413
     (State or other jurisdiction    (Commission        (IRS Employer
          of incorporation)           File Number)      Identification No.)

   315 Science Parkway, Rochester, New York                   14620
   (Address of principal executive offices)                 (Zip Code)

        Registrant's telephone number, including area code (716) 256-0200

(Former name or former address, if changed since last report.)
Item 5.        Other Events.

     On August 16, 1999,  the Board of Directors  of the  Registrant  declared a
three-for-two  stock split in the form of a stock dividend and  distribution  on
shares of the Registrant's  Common Stock,  par value $.01 per share,  payable on
September 1, 1999 to stockholders of record on August 26, 1999.

                                   SIGNATURES

     Pursuant to the  requirements  of the Securities  Exchange Act of 1934, the
Registrant  has duly  caused  this  report  to be  signed  on its  behalf by the
undersigned hereunto duly authorized.

                     PERFORMANCE TECHNOLOGIES, INCORPORATED

Date: August 16, 1999     By:  /s/ Donald L. Turrell
                          --------------------------------
                                   Donald L. Turrell
                                Chief Executive Officer
INDEX TO EXHIBITS

(1)     Underwriting agreement

        Not Applicable.

(2)     Plan of acquisition, reorganization, arrangement, liquidation or
        succession

        Not Applicable.

(4)     Instruments defining the rights of security holders, including
        indentures

        Not Applicable.

(16)    Letter re change in certifying accountant

        Not Applicable.

(17)    Letter re director resignation

        Not Applicable.

(21)    Other documents or statements to security holders

        Not Applicable.

(24)    Consents of experts and counsel

        Not Applicable.

(25)    Power of attorney

        Not Applicable.

(27)    Financial Data Schedule

        Not Applicable.

(99)    Additional Exhibits

        None.