Form SC 13G/A - Statement of Beneficial Ownership by Certain Investors: [Amend]
SEC Accession No. 0001144204-13-065997
Filing Date
2013-12-06
Accepted
2013-12-06 11:07:09
Documents
1
Group Members
WILLIAM J. NASGOVITZ

Document Format Files

Seq Description Document Type Size
1 SCHEDULE 13G/A v362333_sc13ga.htm SC 13G/A 57156
  Complete submission text file 0001144204-13-065997.txt   58727
Mailing Address 7720 LEHIGH AVE NILES IL 60714
Business Address 7720 LEHIGH AVE NILES IL 60714 8479661000
MFRI INC (Subject) CIK: 0000914122 (see all company filings)

EIN.: 363922969 | State of Incorp.: DE | Fiscal Year End: 0131
Type: SC 13G/A | Act: 34 | File No.: 005-43197 | Film No.: 131261580
SIC: 3564 Industrial & Commercial Fans & Blowers & Air Purifing Equip

Mailing Address 789 N WATER STREET MILWAUKEE WI 53202
Business Address 789 N WATER STREET MILWAUKEE WI 53202 414-347-7777
HEARTLAND ADVISORS INC (Filed by) CIK: 0000937394 (see all company filings)

EIN.: 391078128 | State of Incorp.: WI | Fiscal Year End: 1231
Type: SC 13G/A