0000080255-16-001051.txt : 20160211 0000080255-16-001051.hdr.sgml : 20160211 20160211134241 ACCESSION NUMBER: 0000080255-16-001051 CONFORMED SUBMISSION TYPE: SC 13G PUBLIC DOCUMENT COUNT: 1 FILED AS OF DATE: 20160211 DATE AS OF CHANGE: 20160211 SUBJECT COMPANY: COMPANY DATA: COMPANY CONFORMED NAME: IRONWOOD PHARMACEUTICALS INC CENTRAL INDEX KEY: 0001446847 STANDARD INDUSTRIAL CLASSIFICATION: PHARMACEUTICAL PREPARATIONS [2834] IRS NUMBER: 043404176 STATE OF INCORPORATION: DE FILING VALUES: FORM TYPE: SC 13G SEC ACT: 1934 Act SEC FILE NUMBER: 005-85292 FILM NUMBER: 161410446 BUSINESS ADDRESS: STREET 1: 301 BINNEY STREET CITY: CAMBRIDGE STATE: MA ZIP: 02142 BUSINESS PHONE: 617-621-7722 MAIL ADDRESS: STREET 1: 301 BINNEY STREET CITY: CAMBRIDGE STATE: MA ZIP: 02142 FILED BY: COMPANY DATA: COMPANY CONFORMED NAME: PRICE T ROWE ASSOCIATES INC /MD/ CENTRAL INDEX KEY: 0000080255 STANDARD INDUSTRIAL CLASSIFICATION: SECURITY & COMMODITY BROKERS, DEALERS, EXCHANGES & SERVICES [6200] IRS NUMBER: 520556948 STATE OF INCORPORATION: MD FISCAL YEAR END: 1231 FILING VALUES: FORM TYPE: SC 13G BUSINESS ADDRESS: STREET 1: 100 EAST PRATT ST CITY: BALTIMORE STATE: MD ZIP: 21202 BUSINESS PHONE: (410)345-6603 MAIL ADDRESS: STREET 1: P.O. BOX 89000 CITY: BALTIMORE STATE: MD ZIP: 21289 SC 13G 1 irwd13gdec15.htm IRWD AS OF 12/31/2015

UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

 

SCHEDULE 13G

 

Under the Securities Exchange Act of 1934

 

(Amendment No. )

  

IRONWOOD PHARMACEUTICALS INC

(Name of Issuer)

 

COMMON STOCK

 

(Title of Class of Securities)

 

46333X108

(CUSIP Number)

 

December 31, 2015

 

(Date of Event which Requires Filing of Statement)

 

Check the appropriate box to designate the Rule pursuant to which this Schedule is filed:

 

[x] Rule 13d - 1(b)

 

Rule 13d - 1(c)

 

Rule 13d - 1(d)

 

 

 
 

1 Name of Reporting Person

 

T. ROWE PRICE ASSOCIATES, INC.

52-0556948

 

2 Check the Appropriate Box if a Member of a Group

 

NOT APPLICABLE

 

3SEC Use Only

______________________________

 

4Citizenship or Place of Organization

 

MARYLAND

 

Number of Shares Beneficially Owned by Each Reporting Person With

 

5 Sole Voting Power* 695,999

 

6 Shared Voting Power* -0-

 

7 Sole Dispositive Power* 6,613,968

 

8 Shared Dispositive Power -0-

 

9Aggregate Amount Beneficially Owned by Each Reporting Person

 

6,613,968

 

10Check Box if the Aggregate Amount in Row (9) Excludes Certain Shares

 

NOT APPLICABLE

 

11 Percent of Class Represented by Amount in Row 9

 

5.1%

 

12 Type of Reporting Person

 

IA

*Any shares reported in Items 5 and 6 are also reported in Item 7.

 
 

 

Item 1(a) Name of Issuer:

Reference is made to page 1 of this Schedule 13G

 

Item 1(b) Address of Issuer's Principal Executive Offices:

 

301 Binney Street, 2nd floor, Cambridge, Massachusetts 02142

 

Item 2(a) Name of Person(s) Filing:

 

(1) T. Rowe Price Associates, Inc. ("Price Associates")

 

(2)

 

Attached as Exhibit A is a copy of an agreement between the Persons Filing (as specified hereinabove) that this Schedule 13G is being filed on behalf of each of them.

 

Item 2(b) Address of Principal Business Office:

 

100 E. Pratt Street, Baltimore, Maryland 21202

 

Item 2(c) Citizenship or Place of Organization:

 

(1) Maryland

 

(2)

 

Item 2(d) Title of Class of Securities:

Reference is made to page 1 of this Schedule 13G

 

Item 2(e) CUSIP Number: 46333X108

 

Item 3 The person filing this Schedule 13G is an:

 

XInvestment Adviser registered under Section 203 of the Investment Advisers Act of 1940

 

Investment Company registered under Section 8 of the Investment Company Act of 1940

 

Item 4 Reference is made to Items 5-11 on the preceding pages of this Schedule 13G.

 

 
 

Item 5 Ownership of Five Percent or Less of a Class.

 

X Not Applicable.

 

This statement is being filed to report the fact that, as of the date of this report, the reporting person(s) has (have) ceased to be the beneficial owner of more than five percent of the class of securities.

 

Item 6 Ownership of More than Five Percent on Behalf of Another Person

 

(1)Price Associates does not serve as custodian of the assets of any of its clients; accordingly, in each instance only the client or the client's custodian or trustee bank has the right to receive dividends paid with respect to, and proceeds from the sale of, such securities.

 

The ultimate power to direct the receipt of dividends paid with respect to, and the proceeds from the sale of, such securities, is vested in the individual and institutional clients which Price Associates serves as investment adviser. Any and all discretionary authority which has been delegated to Price Associates may be revoked in whole or in part at any time

 

Except as may be indicated if this is a joint filing with one of the registered investment companies sponsored by Price Associates which it also serves as investment adviser ("T. Rowe Price Funds"), not more than 5% of the class of such securities is owned by any one client subject to the investment advice of Price Associates.

 

(2)With respect to securities owned by any one of the T. Rowe Price Funds, only the custodian for each of such Funds, has the right to receive dividends paid with respect to, and proceeds from the sale of, such securities. No other person is known to have such right, except that the shareholders of each such Fund participate proportionately in any dividends and distributions so paid.

 

Item 7 Identification and Classification of the Subsidiary Which Acquired the Security Being Reported on By the Parent Holding Company.

 

Not Applicable.

 

Item 8 Identification and Classification of Members of the Group.

 

Not Applicable.

 

Item 9 Notice of Dissolution of Group.

 

Not Applicable.

 
 

Item 10 Certification.

 

By signing below I certify that, to the best of my knowledge and belief, the securities referred to above were acquired in the ordinary course of business and were not acquired and are not held for the purpose of or with the effect of changing or influencing the control of the issuer of the securities and were not acquired and are not held in connection with or as a participant in any transaction having that purpose or effect. T. Rowe Price Associates, Inc. hereby declares and affirms that the filing of Schedule 13G shall not be construed as an admission that Price Associates is the beneficial owner of the securities referred to, which beneficial ownership is expressly denied.

 

Signature.

 

After reasonable inquiry and to the best of my knowledge and belief, I certify that the information set forth in this statement is true, complete and correct.

 

 

T. ROWE PRICE ASSOCIATES, INC.

Date: February 16, 2016

Signature: /s/ David Oestreicher

Name & Title: David Oestreicher, Vice President

 

 

 

 

 

 

12/31/2015