<SEC-DOCUMENT>0001013594-19-000241-index.html : 20190315
<SEC-HEADER>0001013594-19-000241.hdr.sgml : 20190315
<ACCEPTANCE-DATETIME>20190315163203
ACCESSION NUMBER:		0001013594-19-000241
CONFORMED SUBMISSION TYPE:	SC 13D/A
PUBLIC DOCUMENT COUNT:		4
FILED AS OF DATE:		20190315
DATE AS OF CHANGE:		20190315

SUBJECT COMPANY:	

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			TRANSALTA CORP
		CENTRAL INDEX KEY:			0001144800
		STANDARD INDUSTRIAL CLASSIFICATION:	ELECTRIC SERVICES [4911]
		IRS NUMBER:				000000000
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		SC 13D/A
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	005-79749
		FILM NUMBER:		19685448

	BUSINESS ADDRESS:	
		STREET 1:		110 12TH AVE SW BOX 1900 STATION M
		STREET 2:		CALGARY ALBERTA T2P 2MI
		CITY:			CALGARY
		STATE:			A0
		ZIP:			T2P2M1
		BUSINESS PHONE:		403-267-4724

	MAIL ADDRESS:	
		STREET 1:		110-12TH AVENUE SW
		CITY:			CALGARY ALBERTA CANADA
		STATE:			A0
		ZIP:			T2P2M1

FILED BY:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			Mangrove Partners Master Fund, Ltd.
		CENTRAL INDEX KEY:			0001569227
		IRS NUMBER:				981083428
		STATE OF INCORPORATION:			E9
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		SC 13D/A

	BUSINESS ADDRESS:	
		STREET 1:		MAPLES CORP. SVCS, PO BOX 309
		STREET 2:		UGLAND HOUSE, S. CHURCH STREET
		CITY:			GEORGE TOWN
		STATE:			E9
		ZIP:			KY1-1104
		BUSINESS PHONE:		2128979537

	MAIL ADDRESS:	
		STREET 1:		645 MADISON AVE, 14 FLOOR
		CITY:			NEW YORK
		STATE:			NY
		ZIP:			10022
</SEC-HEADER>
<DOCUMENT>
<TYPE>SC 13D/A
<SEQUENCE>1
<FILENAME>transalta13d-031519.htm
<DESCRIPTION>MARCH 15, 2019
<TEXT>
Document 1 - file: transalta13d-031519.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-99.1
<SEQUENCE>2
<FILENAME>transaltaex991-031519.htm
<DESCRIPTION>JOINT FILING AGREEMENT
<TEXT>
Document 2 - file: transaltaex991-031519.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-99.2
<SEQUENCE>3
<FILENAME>transaltaex992-031519.htm
<DESCRIPTION>COOPERATION AGREEMENT
<TEXT>
Document 3 - file: transaltaex992-031519.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-99.3
<SEQUENCE>4
<FILENAME>transaltaex993-031519.htm
<DESCRIPTION>SHARE PURCHASE AGREEMENT
<TEXT>
Document 4 - file: transaltaex993-031519.htm

</DOCUMENT>
</SEC-DOCUMENT>