Item 8.01 Other Events.

On August 5, 2009, Pharmacyclics, Inc. ("Pharmacyclics" or the "Company") announced the preliminary results of its rights offering to purchase up to 22,500,000 shares of the Company's common stock at a subscription price of $1.28 per share, which expired as of 5:00 p.m., EDT, on July 31, 2009.

The subscription agent informed the Company that based on a preliminary tabulation, as of the close of the offering the Company had received valid subscriptions from approximately 375 participants for the purchase of in excess of the 22,500,000 shares offered. The total gross proceeds anticipated to be received is $28,800,000.

The offering was oversubscribed and the proration of available over-subscription shares will be made in accordance with the procedures described in the Prospectus. Any excess payment to be refunded by us to a participating rights holder will be mailed by the subscription agent as promptly as practicable.

The Company sold 22,500,000 shares of its common stock in this Offering. This will increase the number of total outstanding shares in the company to approximately 50,000,000 shares. Computershare, the subscription agent, will issue the shares purchased in this Rights Offering as soon as practicable.

Subscription rights that were not exercised by July 31, 2009 have expired.

A copy of the Press Release dated August 5, 2009 related to the matters set forth herein is attached to this Current Report on Form 8-K as Exhibit 99.1.

Item 9.01. Financial Statements and Exhibits.

(d) Exhibits Exhibit No. Description 99.1 Press Release dated August 5, 2009.

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