<PAGE>
SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549
FORM 8-K
CURRENT REPORT
Pursuant to Section 13 or 15(d) of the
Securities and Exchange Act of 1934
Date of report (Date of earliest event reported): July 14, 2000
VERTEX PHARMACEUTICALS INCORPORATED
(Exact name of registrant as specified in its charter)
Massachusetts
(State of incorporation)
000-19319 04-3039129
(Commission File No.) (IRS Employer Identification No.)
130 Waverly Street
Cambridge, MA 02139
(Address of principal executive offices and zip code)
Registrant's telephone number, including area code: (617) 577-6000
<PAGE>
Item 5. OTHER EVENTS
On July 14, 2000, the Board of Directors of Vertex Pharmaceuticals Incorporated
declared a two-for-one split of its common stock. The stock split will be in the
form of a stock dividend, and new shares will be distributed on August 23, 2000
to holders of record as of the close of business on August 9, 2000. A press
release relating to the stock split is attached hereto as Exhibit 99.1.
Item 7. FINANCIAL STATEMENTS, PRO FORMA FINANCIAL INFORMATION AND EXHIBITS
(c) Exhibits
99.1 Press Release dated July 14, 2000.
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.
VERTEX PHARMACEUTICALS INCORPORATED
Dated: August 1, 2000 By: /s/ Richard H. Aldrich
-----------------------------------
Richard H. Aldrich
Senior Vice President and Chief Business Officer
-2-
<PAGE>
EXHIBIT INDEX
Exhibit
Number Description
------- -----------
99.1 Press Release dated July 14, 2000, titled, "Vertex Announces
Two-For-One Stock Split."