content: <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):  April 6, 1998
  
  
                              ChemTrak Incorporated
             ------------------------------------------------------
             (Exact name of registrant as specified in its charter)
  
  
  
            Delaware                     0-19749             77-0295388
            --------                     -------             ----------
   (State or other jurisdiction        (Commission         (I.R.S. Employer
  of incorporation organization)       File Number)       Identification No.)
   
  
       929 E. Arques Avenue, Sunnyvale, California             94086-4520
       --------------------------------------------            ----------
           (Address of principal executive offices)            (Zip Code)
  
  
       Registrant's telephone number, including area code:   (408) 773-8156
                                                            ------------------
  
  
                                        N/A
           -------------------------------------------------------------
           (Former name or former address, if changed since last report)
  <PAGE>
   
  ITEM 5.  OTHER EVENTS
           ------------
  
       ChemTrak Incorporated (the "Company") has raised approximately $1 million
  from the private placement of shares of redeemable convertible Series B
  Preferred Stock pursuant to Subscription Agreements and Questionnaires dated as
  of April 6, 1998; April 8, 1998; April 28, 1998; and April 29, 1998,
  respectively.
  
       The shares of Series B Preferred Stock are convertible into shares of
  Common Stock of the Company 90 days after issuance.  The shares of Series B
  Preferred Stock bear cumulative dividends at an annual rate of 6 percent payable
  in shares of Common Stock of the Company or cash at the Company's option.  The
  shares of Series B Preferred Stock, after adjustment to account for any accrued
  dividend that has not been paid in cash, is convertible at a conversion price
  equal to the lower of (1) 100 percent of the five-day Nasdaq average closing-bid
  price on the date of each individual closing or (2) 75 percent of the five-day
  average Nasdaq closing-bid price at time of conversion.
  
  ITEM 7.  FINANCIAL STATEMENTS AND EXHIBITS.
           --------------------------------- 
  
       (c)  Exhibits
  
            4.1  Form of Subscription Agreements and Questionnaires dated as of
                 April 6, 1998; April 8, 1998; April 28, 1998; and April 29, 1998.
  
                                        -2-
  <PAGE>
   
                                     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.
  
  
                                      CHEMTRAK INCORPORATED
  
  
  Dated:    May 27, 1998             By:  /s/ DONALD V. FLUKEN
                                          ----------------------------------
                                           Donald V. Fluken
                                           Vice President, Secretary and
                                           Chief Financial Officer
  
                                        -3-
  <PAGE>
   
                                 INDEX TO EXHIBITS
  
       Exhibit No.
       ---------- 
  
       4.1   Form of Subscription Agreements and Questionnaires dated as of 
             April 6, 1998; April 8, 1998; April 28, 1998; and April 29, 1998.
metadata_documents: [{"type": "8-K", "sequence": "1", "description": "FORM 8-K", "secsgml_size_bytes": 3738}]
metadata_filer: {"company-data": {"conformed-name": "CHEMTRAK INC/DE", "cik": "0000882242", "assigned-sic": "2835", "irs-number": "770295388", "state-of-incorporation": "DE", "fiscal-year-end": "1231"}, "filing-values": {"form-type": "8-K", "act": "34", "file-number": "000-19749", "film-number": "98634021"}, "business-address": {"street1": "929 E ARQUES AVE", "city": "SUNNYVALE", "state": "CA", "zip": "94086", "phone": "4087738156"}, "mail-address": {"street1": "929 E ARQUES AVENUE", "city": "SUNNYVALE", "state": "CA", "zip": "94086"}}
text: 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):  April 6, 1998
  
                              ChemTrak Incorporated
             ------------------------------------------------------
             (Exact name of registrant as specified in its charter)
  
            Delaware                     0-19749             77-0295388
            --------                     -------             ----------
   (State or other jurisdiction        (Commission         (I.R.S. Employer
  of incorporation organization)       File Number)       Identification No.)
   
  
       929 E. Arques Avenue, Sunnyvale, California             94086-4520
       --------------------------------------------            ----------
           (Address of principal executive offices)            (Zip Code)
  
       Registrant's telephone number, including area code:   (408) 773-8156
                                                            ------------------
  
                                        N/A
           -------------------------------------------------------------
           (Former name or former address, if changed since last report)
  ITEM 5.  OTHER EVENTS
           ------------
  
       ChemTrak Incorporated (the "Company") has raised approximately $1 million
  from the private placement of shares of redeemable convertible Series B
  Preferred Stock pursuant to Subscription Agreements and Questionnaires dated as
  of April 6, 1998; April 8, 1998; April 28, 1998; and April 29, 1998,
  respectively.
  
       The shares of Series B Preferred Stock are convertible into shares of
  Common Stock of the Company 90 days after issuance.  The shares of Series B
  Preferred Stock bear cumulative dividends at an annual rate of 6 percent payable
  in shares of Common Stock of the Company or cash at the Company's option.  The
  shares of Series B Preferred Stock, after adjustment to account for any accrued
  dividend that has not been paid in cash, is convertible at a conversion price
  equal to the lower of (1) 100 percent of the five-day Nasdaq average closing-bid
  price on the date of each individual closing or (2) 75 percent of the five-day
  average Nasdaq closing-bid price at time of conversion.
  
  ITEM 7.  FINANCIAL STATEMENTS AND EXHIBITS.
           --------------------------------- 
  
       (c)  Exhibits
  
            4.1  Form of Subscription Agreements and Questionnaires dated as of
                 April 6, 1998; April 8, 1998; April 28, 1998; and April 29, 1998.
  
                                        -2-
  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.
  
                                      CHEMTRAK INCORPORATED
  
  Dated:    May 27, 1998             By:  /s/ DONALD V. FLUKEN
                                          ----------------------------------
                                           Donald V. Fluken
                                           Vice President, Secretary and
                                           Chief Financial Officer
  
                                        -3-
  INDEX TO EXHIBITS
  
       Exhibit No.
       ---------- 
  
       4.1   Form of Subscription Agreements and Questionnaires dated as of 
             April 6, 1998; April 8, 1998; April 28, 1998; and April 29, 1998.