Form 8-K

UNITED STATES

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): February 2, 2010

Achillion Pharmaceuticals, Inc.

(Exact name of registrant as specified in its charter)

 

Delaware   001-33095   52-2113479
(State or other jurisdiction of incorporation)   (Commission File Number)   (IRS Employer Identification No.)

 

300 George Street

New Haven, CT

  06511
(Address of principal executive offices)   (Zip Code)

Registrant’s telephone number, including area code: (203) 624-7000

N/A

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

Check the appropriate box if the Form 8-K is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions:

 

  ¨ Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425)

 

  ¨ Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12).

 

  ¨ Pre-commencement communications pursuant to Rule 14a-2(b) under the Exchange Act (17 CFR 240.14d-2(b))

 

  ¨ Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c)).


Item 8.01 Other Events

On February 2, 2010, the Company issued a press release announcing that the underwriters of the Company’s January 22, 2010 common stock offering had exercised their option to purchase 1,541,250 additional shares of common stock from the Company at a price of $2.08 per share less underwriting discounts and commissions.

The offering was made pursuant to a registration statement previously filed and declared effective by the Securities and Exchange Commission on October 16, 2009.

 

Item 9.01. Financial Statements and Exhibits

 

(d) Exhibits

 

99.1 Press release issued by Achillion Pharmaceuticals, Inc. on February 2, 2010


SIGNATURE

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

Date: February 3, 2010

 

ACHILLION PHARMACEUTICALS, INC.
By:   /s/ Mary Kay Fenton
 

Mary Kay Fenton

Chief Financial Officer


EXHIBIT INDEX

 

Exhibit

No.

  

Description

99.1    Press release issued by Achillion Pharmaceuticals, Inc. on February 2, 2010