<SEC-DOCUMENT>0000914121-20-000880-index.html : 20200302
<SEC-HEADER>0000914121-20-000880.hdr.sgml : 20200302
<ACCEPTANCE-DATETIME>20200302092437
ACCESSION NUMBER:		0000914121-20-000880
CONFORMED SUBMISSION TYPE:	SC 13D/A
PUBLIC DOCUMENT COUNT:		2
FILED AS OF DATE:		20200302
DATE AS OF CHANGE:		20200302
GROUP MEMBERS:		SACHEM HEAD GP LLC
GROUP MEMBERS:		SCOTT D. FERGUSON
GROUP MEMBERS:		UNCAS GP LLC

SUBJECT COMPANY:	

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			OLIN Corp
		CENTRAL INDEX KEY:			0000074303
		STANDARD INDUSTRIAL CLASSIFICATION:	CHEMICALS & ALLIED PRODUCTS [2800]
		IRS NUMBER:				131872319
		STATE OF INCORPORATION:			VA
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		SC 13D/A
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	005-13333
		FILM NUMBER:		20674578

	BUSINESS ADDRESS:	
		STREET 1:		OLIN CORPORATION
		STREET 2:		190 CARONDELET PLAZA SUITE 1530
		CITY:			CLAYTON
		STATE:			MO
		ZIP:			63105
		BUSINESS PHONE:		3144801400

	MAIL ADDRESS:	
		STREET 1:		OLIN CORPORATION
		STREET 2:		190 CARONDELET PLAZA SUITE 1530
		CITY:			CLAYTON
		STATE:			MO
		ZIP:			63105

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	OLIN CORP
		DATE OF NAME CHANGE:	19920703

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	OLIN MATHIESON CHEMICAL CORP
		DATE OF NAME CHANGE:	19691008

FILED BY:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			Sachem Head Capital Management LP
		CENTRAL INDEX KEY:			0001582090
		IRS NUMBER:				800872416
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		SC 13D/A

	BUSINESS ADDRESS:	
		STREET 1:		250 WEST 55TH STREET
		STREET 2:		34TH FLOOR
		CITY:			NEW YORK
		STATE:			NY
		ZIP:			10019
		BUSINESS PHONE:		212-714-3300

	MAIL ADDRESS:	
		STREET 1:		250 WEST 55TH STREET
		STREET 2:		34TH FLOOR
		CITY:			NEW YORK
		STATE:			NY
		ZIP:			10019
</SEC-HEADER>
<DOCUMENT>
<TYPE>SC 13D/A
<SEQUENCE>1
<FILENAME>sa54778845-sc13da1_olin.htm
<DESCRIPTION>AMENDMENT NO. 1
<TEXT>
Document 1 - file: sa54778845-sc13da1_olin.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-99.4
<SEQUENCE>2
<FILENAME>sa54778845-ex99_4.htm
<DESCRIPTION>COOPERATION AGREEMENT, DATED FEBRUARY 29, 2020, BY AND BETWEEN OLIN CORPORATION AND SACHEM HEAD CAPITAL MANAGEMENT LP.
<TEXT>
Document 2 - file: sa54778845-ex99_4.htm

</DOCUMENT>
</SEC-DOCUMENT>