SEC Seal
SEC Banner
Search the Next-Generation EDGAR System
Filing Detail
Form SC 13G/A - Statement of Beneficial Ownership by Certain Investors: [Amend]
SEC Accession No. 0000892712-15-000547
Filing Date
2015-05-07
Accepted
2015-05-07 07:33:18
Documents
1

Document Format Files

Seq Description Document Type Size
1 AMENDMENY NO. 4 TO SCHEDULE 13G heartlandblackbox13ga.htm SC 13G/A 73914
  Complete submission text file 0000892712-15-000547.txt   75519
Mailing Address 1000 PARK DRIVE LAWRENCE PA 15055
Business Address 1000 PARK DRIVE LAWRENCE PA 15055 724-746-5500
BLACK BOX CORP (Subject) CIK: 0000849547 (see all company filings)

IRS No.: 953086563 | State of Incorp.: DE | Fiscal Year End: 0331
Type: SC 13G/A | Act: 34 | File No.: 005-42953 | Film No.: 15839393
SIC: 3576 Computer Communications Equipment

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)

IRS No.: 391078128 | State of Incorp.: WI | Fiscal Year End: 1231
Type: SC 13G/A