<SEC-DOCUMENT>0001354457-21-000568-index.html : 20210517
<SEC-HEADER>0001354457-21-000568.hdr.sgml : 20210517
<ACCEPTANCE-DATETIME>20210517092452
ACCESSION NUMBER:		0001354457-21-000568
CONFORMED SUBMISSION TYPE:	25-NSE
PUBLIC DOCUMENT COUNT:		2
FILED AS OF DATE:		20210517
DATE AS OF CHANGE:		20210517
EFFECTIVENESS DATE:		20210517

SUBJECT COMPANY:	

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			Aegion Corp
		CENTRAL INDEX KEY:			0000353020
		STANDARD INDUSTRIAL CLASSIFICATION:	WATER, SEWER, PIPELINE, COMM AND POWER LINE CONSTRUCTION [1623]
		IRS NUMBER:				133032158
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		25-NSE
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	000-10786
		FILM NUMBER:		21928019

	BUSINESS ADDRESS:	
		STREET 1:		17988 EDISON AVENUE
		CITY:			CHESTERFIELD
		STATE:			MO
		ZIP:			63005
		BUSINESS PHONE:		6365308000

	MAIL ADDRESS:	
		STREET 1:		17988 EDISON AVENUE
		CITY:			CHESTERFIELD
		STATE:			MO
		ZIP:			63005

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	INSITUFORM TECHNOLOGIES INC
		DATE OF NAME CHANGE:	19930617

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	INSITUFORM OF NORTH AMERICA INC/TN/
		DATE OF NAME CHANGE:	19930617

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	INSITUFORM OF NORTH AMERICA INC
		DATE OF NAME CHANGE:	19921217

FILED BY:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			Nasdaq Stock Market LLC
		CENTRAL INDEX KEY:			0001354457
		IRS NUMBER:				521165937
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		25-NSE

	BUSINESS ADDRESS:	
		STREET 1:		One Liberty Plaza
		CITY:			New York
		STATE:			NY
		ZIP:			10006
		BUSINESS PHONE:		301-978-4144

	MAIL ADDRESS:	
		STREET 1:		Office of General Counsel
		STREET 2:		805 King Farm Blvd.
		CITY:			ROCKVILLE
		STATE:			MD
		ZIP:			20850

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	The Nasdaq Stock Market LLC
		DATE OF NAME CHANGE:	20060224
</SEC-HEADER>
<DOCUMENT>
<TYPE>25-NSE
<SEQUENCE>1
<FILENAME>primary_doc.xml
<TEXT>
Document 1 - file: primary_doc.html

Document 1 - RAW XML: primary_doc.xml

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-99.25
<SEQUENCE>2
<FILENAME>aegn-form25.txt
<TEXT>
Document 2 - file: aegn-form25.txt

</DOCUMENT>
</SEC-DOCUMENT>