<SEC-DOCUMENT>9999999997-21-000601-index.html : 20210311
<SEC-HEADER>9999999997-21-000601.hdr.sgml : 20210311
<ACCEPTANCE-DATETIME>20210209160923
ACCESSION NUMBER:		9999999997-21-000601
CONFORMED SUBMISSION TYPE:	SEC STAFF LETTER
CATEGORY:             	REDACTED EXHIBIT
PUBLIC DOCUMENT COUNT:		1
FILED AS OF DATE:		20210209
ACTION DATE:               	20210209
RECEIVED DATE:           	20210209

FILER:

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			Radius Health, Inc.
		CENTRAL INDEX KEY:			0001428522
		STANDARD INDUSTRIAL CLASSIFICATION:	PHARMACEUTICAL PREPARATIONS [2834]
		IRS NUMBER:				800145732
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		SEC STAFF LETTER

	BUSINESS ADDRESS:	
		STREET 1:		ATTN: CHIEF FINANCIAL OFFICER
		STREET 2:		950 WINTER STREET
		CITY:			WALTHAM
		STATE:			MA
		ZIP:			02451
		BUSINESS PHONE:		617-551-4000

	MAIL ADDRESS:	
		STREET 1:		ATTN: CHIEF FINANCIAL OFFICER
		STREET 2:		950 WINTER STREET
		CITY:			WALTHAM
		STATE:			MA
		ZIP:			02451

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	MPM ACQUISITION CORP
		DATE OF NAME CHANGE:	20080228
</SEC-HEADER>
<DOCUMENT>
<TYPE>REDACTED EXHIBIT
<SEQUENCE>1
<FILENAME>filename1.pdf
<TEXT>
Document 1 - file: filename1.pdf

</DOCUMENT>
</SEC-DOCUMENT>