<SEC-DOCUMENT>0001341004-20-000055-index.html : 20200213
<SEC-HEADER>0001341004-20-000055.hdr.sgml : 20200213
<ACCEPTANCE-DATETIME>20200213160528
ACCESSION NUMBER:		0001341004-20-000055
CONFORMED SUBMISSION TYPE:	SC 13G/A
PUBLIC DOCUMENT COUNT:		2
FILED AS OF DATE:		20200213
DATE AS OF CHANGE:		20200213

SUBJECT COMPANY:	

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			CRISPR Therapeutics AG
		CENTRAL INDEX KEY:			0001674416
		STANDARD INDUSTRIAL CLASSIFICATION:	BIOLOGICAL PRODUCTS (NO DIAGNOSTIC SUBSTANCES) [2836]
		IRS NUMBER:				473173478
		STATE OF INCORPORATION:			V8
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		SC 13G/A
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	005-89674
		FILM NUMBER:		20610391

	BUSINESS ADDRESS:	
		STREET 1:		BAARERSTRASSE 14
		CITY:			ZUG
		STATE:			V8
		ZIP:			CH-6300
		BUSINESS PHONE:		6173154600

	MAIL ADDRESS:	
		STREET 1:		BAARERSTRASSE 14
		CITY:			ZUG
		STATE:			V8
		ZIP:			CH-6300

FILED BY:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			VERTEX PHARMACEUTICALS INC / MA
		CENTRAL INDEX KEY:			0000875320
		STANDARD INDUSTRIAL CLASSIFICATION:	PHARMACEUTICAL PREPARATIONS [2834]
		IRS NUMBER:				043039129
		STATE OF INCORPORATION:			MA
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		SC 13G/A

	BUSINESS ADDRESS:	
		STREET 1:		50 NORTHERN AVENUE
		CITY:			BOSTON
		STATE:			MA
		ZIP:			02210
		BUSINESS PHONE:		6173416393

	MAIL ADDRESS:	
		STREET 1:		50 NORTHERN AVENUE
		CITY:			BOSTON
		STATE:			MA
		ZIP:			02210
</SEC-HEADER>
<DOCUMENT>
<TYPE>SC 13G/A
<SEQUENCE>1
<FILENAME>sc13g-a1.htm
<DESCRIPTION>SCHEDULE 13 G/A - AMENDMENT 1
<TEXT>
Document 1 - file: sc13g-a1.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-99.1
<SEQUENCE>2
<FILENAME>ex99-1.htm
<DESCRIPTION>EXHIBIT 1
<TEXT>
Document 2 - file: ex99-1.htm

</DOCUMENT>
</SEC-DOCUMENT>