0001085146-20-000534.txt : 20200210 0001085146-20-000534.hdr.sgml : 20200210 20200210165429 ACCESSION NUMBER: 0001085146-20-000534 CONFORMED SUBMISSION TYPE: SC 13G PUBLIC DOCUMENT COUNT: 1 FILED AS OF DATE: 20200210 DATE AS OF CHANGE: 20200210 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: SC 13G SEC ACT: 1934 Act SEC FILE NUMBER: 005-35120 FILM NUMBER: 20592680 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: Boston Partners CENTRAL INDEX KEY: 0001386060 IRS NUMBER: 980202744 STATE OF INCORPORATION: NY FISCAL YEAR END: 1231 FILING VALUES: FORM TYPE: SC 13G BUSINESS ADDRESS: STREET 1: ONE BEACON STREET STREET 2: 30TH FLOOR CITY: BOSTON STATE: MA ZIP: 02108 BUSINESS PHONE: 2129089500 MAIL ADDRESS: STREET 1: ONE BEACON STREET STREET 2: 30TH FLOOR CITY: BOSTON STATE: MA ZIP: 02108 FORMER COMPANY: FORMER CONFORMED NAME: Robeco Investment Management, Inc. DATE OF NAME CHANGE: 20070111 SC 13G 1 aegn_21020.htm ROBECO INVESTMENT MANAGEMENT INC. aegn_21020.htm
UNITED STATES
SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549
SCHEDULE 13G
Under the Securities Exchange Act of 1934
Aegion Corporation
(Name of Issuer)
Common Stock
(Title of Class of Securities)
00770F104
(CUSIP Number)
December 31, 2019
(Date of Event which Requires Filing of this Statement)
Check the appropriate box to designate the rule pursuant to which this Schedule is filed:
[X] Rule 13d-1(b)
[   ] Rule 13d-1(c)
[   ] Rule 13d-1(d)
* The remainder of this cover page shall be filled out for a reporting person's initial filing on this form with respect to the subject class of securities, and for any subsequent amendment containing information which would alter the disclosures provided in a prior cover page.
The information required in the remainder of this cover page shall not be deemed to be "filed" for the purpose of Section 18 of the Securities Exchange Act of 1934 ("Act") or otherwise subject to the liabilities of that section of the Act but shall be subject to all other provisions of the Act (however, see Instructions).
CUSIP No.: 00770F104
       
1
NAME OF REPORTING PERSON
Boston Partners
I.R.S. IDENTIFICATION NO. OF ABOVE PERSON (ENTITIES ONLY)
98-0202744
2
CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP
(a) [   ]
(b) [   ]
3 SEC USE ONLY
4
CITIZENSHIP OR PLACE OF ORGANIZATION
DE
NUMBER OF SHARES BENEFICIALLY OWNED BY EACH REPORTING PERSON WITH 5
SOLE VOTING POWER
1,548,028
6
SHARED VOTING POWER
16,950
7
SOLE DISPOSITIVE POWER
1,699,517
8
SHARED DISPOSITIVE POWER
0
9
AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
1,699,517
10
CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES
[   ]
11
PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9)
5.53%
12
TYPE OF REPORTING PERSON
IA
CUSIP No.: 00770F104
ITEM 1(a). NAME OF ISSUER:
Aegion Corporation
ITEM 1(b). ADDRESS OF ISSUER'S PRINCIPAL EXECUTIVE OFFICES:
17988 EDISON AVENUE
CHESTERFIELD MO 63005
ITEM 2(a). NAME OF PERSON FILING:
Boston Partners
ITEM 2(b). ADDRESS OF PRINCIPAL BUSINESS OFFICE OR, IF NONE, RESIDENCE:
One Beacon Street 30th Floor
Boston, MA 02108
ITEM 2(c). CITIZENSHIP:
DE
ITEM 2(d). TITLE OF CLASS OF SECURITIES:
Common Stock
ITEM 2(e). CUSIP NUMBER:
00770F104
ITEM 3. IF THIS STATEMENT IS FILED PURSUANT TO SECTION 240.13d-1(b), or 13d-2(b) or (c) CHECK WHETHER THE PERSON FILING IS A:
(a)
[ ]		 Broker or dealer registered under Section 15 of the Act (15 U.S.C. 78c);
(b)
[ ]		 Bank as defined in Section 3(a)(6) of the Act (15 U.S.C. 78c);
(c)
[ ]		 Insurance company as defined in Section 3(a)(19) of the Act (15 U.S.C. 78c);
(d)
[ ]		 Investment company registered under Section 8 of the Investment Company Act of 1940 (15 U.S.C 80a-8);
(e)
[X]		 An investment adviser in accordance with 240.13d-1(b)(1)(ii)(E);
(f)
[ ]		 An employee benefit plan or endowment fund in accordance with 240.13d-1(b)(1)(ii)(F);
(g)
[ ]		 A parent holding company or control person in accordance with 240.13d-1(b)(1)(ii)(G);
(h)
[ ]		 A savings associations as defined in Section 3(b) of the Federal Deposit Insurance Act (12 U.S.C. 1813);
(i)
[ ]		 A church plan that is excluded from the definition of an investment company under Section 3(c)(14) of the Investment Company Act of 1940 (15 U.S.C. 80a-3);
(j)
[ ]		 A non-U.S. institution in accordance with 240.13d-1(b)(1)(ii)(J);
(k)
[ ]		 Group, in accordance with 240.13d-1(b)(1)(ii)(K). If filing as a non-U.S. institution in accordance with 240.13d1(b)(1)(ii)(J), please specify the type of institution:
ITEM 4. OWNERSHIP
(a) Amount beneficially owned:
1,699,517
(b) Percent of class:
5.53%
(c) Number of shares as to which the person has:
(i) sole power to vote or to direct the vote:
1,548,028
(ii) shared power to vote or to direct the vote:
16,950
(iii) sole power to dispose or direct the disposition of:
1,699,517
(iv) shared power to dispose or to direct the disposition of:
0
ITEM 5. OWNERSHIP OF FIVE PERCENT OR LESS OF A CLASS:
If this statement is being filed to report the fact that as of the date hereof the reporting person has ceased to be the beneficial owner of more than five percent of the class of securities, check the following [ ].
ITEM 6. OWNERSHIP OF MORE THAN FIVE PERCENT ON BEHALF OF ANOTHER PERSON:
This Schedule is being filed with respect to 1,699,517shares Aegion Corp.
(the Common Stock) held by Boston Partners on 12/31/2019 for the
discretionary account of certain clients. By reason of rule 13d-3 under the act
Boston Partners may be deemed to be a beneficial owner of such Common
Stock. To the knowledge of Boston Partners no person has the right to receive
or the power to direct the receipt of dividends from or the proceeds from the
sale of such Common Stock which represents more than 5% of the
outstanding shares of the Common Stock referred to in item 4(b) hereof.
ITEM 7. IDENTIFICATION AND CLASSIFICATION OF THE SUBSIDIARY WHICH ACQUIRED THE SECURITY BEING REPORTED ON BY THE PARENT HOLDING COMPANY:
Not Applicable
ITEM 8. IDENTIFICATION AND CLASSIFICATION OF MEMBERS OF THE GROUP:
Not Applicable
ITEM 9. NOTICE OF DISSOLUTION OF GROUP:
Not Applicable
ITEM 10. CERTIFICATION:
By signing below I certify that, to the best of my knowledge and belief, the securities referred to above were acquired and are held in the ordinary course of business and were not acquired and are not held for the purpose of or with the effect of changing or influencing the control of the issuer of the securities and were not acquired and are not held in connection with or as a participant in any transaction having that purpose or effect.
CUSIP No.: 00770F104
SIGNATURE
After reasonable inquiry and to the best of my knowledge and belief, I certify that the information set forth in this statement is true, complete and correct.
February 10 2020
Boston Partners
By:
/s/ Liana Safanov
Name:
Liana Safanov
Title:
Senior Compliance Manager
Attention — Intentional misstatements or omissions of fact constitute Federal criminal violations (See 18 U.S.C. 1001).