Form 8-K

REPLIGEN CORPORATION

Date: August 28, 2013

/s/ Walter C. Herlihy

Walter C. Herlihy

President and Chief Executive Officer

0001193125-13-350540.txt : 20130828 0001193125-13-350540.hdr.sgml : 20130828 20130828170633 ACCESSION NUMBER: 0001193125-13-350540 CONFORMED SUBMISSION TYPE: 8-K PUBLIC DOCUMENT COUNT: 1 CONFORMED PERIOD OF REPORT: 20130822 ITEM INFORMATION: Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers: Compensatory Arrangements of Certain Officers FILED AS OF DATE: 20130828 DATE AS OF CHANGE: 20130828 FILER: COMPANY DATA: COMPANY CONFORMED NAME: REPLIGEN CORP CENTRAL INDEX KEY: 0000730272 STANDARD INDUSTRIAL CLASSIFICATION: BIOLOGICAL PRODUCTS (NO DIAGNOSTIC SUBSTANCES) [2836] IRS NUMBER: 042729386 STATE OF INCORPORATION: DE FISCAL YEAR END: 1231 FILING VALUES: FORM TYPE: 8-K SEC ACT: 1934 Act SEC FILE NUMBER: 000-14656 FILM NUMBER: 131066610 BUSINESS ADDRESS: STREET 1: 41 SEYON STREET STREET 2: BUILDING 1, SUITE 100 CITY: WALTHAM STATE: MA ZIP: 02453 BUSINESS PHONE: 7814499560 MAIL ADDRESS: STREET 1: 41 SEYON STREET STREET 2: BUILDING 1, SUITE 100 CITY: WALTHAM STATE: MA ZIP: 02453 8-K 1 d590946d8k.htm FORM 8-K 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): August 22, 2013

REPLIGEN CORPORATION

(Exact name of registrant as specified in its charter)

Delaware

0-14656

04-2729386

(State or other jurisdiction

of incorporation)

(Commission

File Number)

(IRS Employer

Identification No.)


41 Seyon Street, Bldg. 1, Suite 100, Waltham, MA		02453
(Address of principal executive offices)		(Zip Code)

Registrant’s telephone number, including area code (781) 250-0111

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

Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions (see General Instruction A.2. below):

¨	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 14d-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 5.02.

Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers.

On August 22, 2013, Repligen Corporation (the “Company”) and Jonathan I. Lieber agreed to terminate Mr. Lieber’s employment with the Company without Cause (as such term is defined in Mr. Lieber’s Employment Offer Letter, dated September 20, 2012), effective as of the close of business on August 23, 2013.

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.