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 JUNE 29, 2001 ------------- (Date of Report) ENTROPIN, INC. -------------- (Exact Name of Registrant as specified in its charter) Colorado 33-23693 84-1090424 - ---------------------------- ----------- ------------------- (State or other jurisdiction (Commission (IRS Employer of incorporation) File Number) Identification No.) 45926 OASIS STREET, INDIO, CALIFORNIA 92201 ------------------------------------------- (Address of principal executive offices including zip code) (760) 775-8333 --------------- (Registrant's telephone number including area code) N/A --- (Former name or former address, if changed since last report) ITEM 5. OTHER EVENTS. - --------------------- Entropin, Inc. ("Entropin") issued the following press release on June 27, 2001: NEWS RELEASE ------------ ENTROPIN WEBCASTS 2001 ANNUAL MEETING OF SHAREHOLDERS PRESENTATION INDIO, Calif. (June 27, 2001) - Entropin, Inc. (Nasdaq: ETOP, ETOPW), a specialty pharmaceutical company developing new therapeutics for painful soft tissue injuries and diseases, - today announced that its 2001 annual meeting of shareholders presentation will be broadcast over the Internet on June 28, 2001 at 1:00PM EDT with Tom Tachovsky, Ph.D., President and CEO of Entropin. What: Entropin 2001 Annual Meeting of Shareholders When: 1:00PM EDT, June 28, 2001 Where: http://www.videonewswire.com/ENTROPIN/062801/ How: Over the Internet -- Simply log on to the web at the address above Contact: Zachary Bryant Lippert/Heilshorn & Associates, Inc. 310-691-7100 The call will be archived for 30 days on the Web site www.entropin.com. To access the replay, go to the "Investor Center" section and click on Entropin 2001 Annual Meeting of Shareholders icon. (Minimum Requirements to listen to broadcast: The RealPlayer software, downloadable free from www.real.com/products/player/index.html, and at least a 14.4Kbps connection to the Internet. If you experience problems listening to the broadcast, send an email to webmaster@vdat.com.) Entropin, Inc. is a pharmaceutical research and development company, initially focused on the development of Esterom(R), a novel topical therapeutic for the treatment of painful soft tissue injuries, such as tendonitis or back sprain, that result in impaired function. 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, thereunto duly authorized. Date: June 29, 2001 ENTROPIN, INC. By /s/ Thomas G. Tachovsky --------------------------------- Thomas G. Tachovsky President and Chief Executive Officer 3