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Filing Detail
Form SC 13G/A - Statement of Beneficial Ownership by Certain Investors: [Amend]
SEC Accession No. 0001126328-18-000062
Filing Date
2018-02-07
Accepted
2018-02-07 15:01:25
Documents
1

Document Format Files

Seq Description Document Type Size
1 KOSS CORPORATION AMDT 4 123117 a13gakosscorporationamdt41.htm SC 13G/A 107880
  Complete submission text file 0001126328-18-000062.txt   109575
Mailing Address 4129 N PORT WASHINGTON AVE MILWAUKEE WI 53212
Business Address 4129 N PORT WASHINGTON AVE MILWAUKEE WI 53212 4149645000
KOSS CORP (Subject) CIK: 0000056701 (see all company filings)

IRS No.: 391168275 | State of Incorp.: DE | Fiscal Year End: 0630
Type: SC 13G/A | Act: 34 | File No.: 005-20001 | Film No.: 18580778
SIC: 3651 Household Audio & Video Equipment

Mailing Address 711 HIGH STREET DES MOINES IA 50392
Business Address 711 HIGH STREET DES MOINES IA 50392 5152475111
PRINCIPAL FINANCIAL GROUP INC (Filed by) CIK: 0001126328 (see all company filings)

IRS No.: 421520346 | State of Incorp.: DE | Fiscal Year End: 1231
Type: SC 13G/A
SIC: 6321 Accident & Health Insurance