<SEC-DOCUMENT>0000921895-21-000977-index.html : 20210406
<SEC-HEADER>0000921895-21-000977.hdr.sgml : 20210406
<ACCEPTANCE-DATETIME>20210406095704
ACCESSION NUMBER:		0000921895-21-000977
CONFORMED SUBMISSION TYPE:	SC 13D/A
PUBLIC DOCUMENT COUNT:		2
FILED AS OF DATE:		20210406
DATE AS OF CHANGE:		20210406

SUBJECT COMPANY:	

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			IKONICS CORP
		CENTRAL INDEX KEY:			0001083301
		STANDARD INDUSTRIAL CLASSIFICATION:	PHOTOGRAPHIC EQUIPMENT & SUPPLIES [3861]
		IRS NUMBER:				410730027
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		SC 13D/A
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	005-58319
		FILM NUMBER:		21808313

	BUSINESS ADDRESS:	
		STREET 1:		4832 GRAND AVENUE
		CITY:			DULUTH
		STATE:			MN
		ZIP:			55807
		BUSINESS PHONE:		2186282217

	MAIL ADDRESS:	
		STREET 1:		4832 GRAND AVENUE
		CITY:			DULUTH
		STATE:			MN
		ZIP:			55807

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	CHROMALINE CORP
		DATE OF NAME CHANGE:	19990405

FILED BY:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			Activist Investing LLC
		CENTRAL INDEX KEY:			0001817604
		IRS NUMBER:				833953038
		STATE OF INCORPORATION:			NY
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		SC 13D/A

	BUSINESS ADDRESS:	
		STREET 1:		1185 AVENUE OF THE AMERICAS, 3RD FLOOR.
		CITY:			NEW YORK
		STATE:			NY
		ZIP:			10036
		BUSINESS PHONE:		646 768 8417

	MAIL ADDRESS:	
		STREET 1:		1185 AVENUE OF THE AMERICAS, 3RD FLOOR.
		CITY:			NEW YORK
		STATE:			NY
		ZIP:			10036
</SEC-HEADER>
<DOCUMENT>
<TYPE>SC 13D/A
<SEQUENCE>1
<FILENAME>sc13da112227004_04062021.htm
<DESCRIPTION>AMENDMENT NO. 1 TO THE SCHEDULE 13D
<TEXT>
Document 1 - file: sc13da112227004_04062021.htm
</DOCUMENT> <DOCUMENT> <TYPE>EX-99.1 <SEQUENCE>2 <FILENAME>ex991to13da112227004_040621.htm <DESCRIPTION>JOINT FILING AGREEMENT <TEXT> Document 2 - file: ex991to13da112227004_040621.htm
</DOCUMENT> </SEC-DOCUMENT>