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Filing Detail
Form SC 13G/A - Statement of acquisition of beneficial ownership by individuals: [Amend]
SEC Accession No. 0001258897-18-001147
Filing Date
2018-02-09
Accepted
2018-02-09 08:31:13
Documents
1

Document Format Files

Seq Description Document Type Size
1 SCHEDULE 13G/A dfs293.htm SC 13G/A 51238
  Complete submission text file 0001258897-18-001147.txt   52902
Mailing Address 10900 RED CIRCLE DRIVE MINNETONKA MN 55343
Business Address 10900 RED CIRCLE DRIVE MINNETONKA MN 55343 9529961674
COMMUNICATIONS SYSTEMS INC (Subject) CIK: 0000022701 (see all company filings)

IRS No.: 410957999 | State of Incorp.: MN | Fiscal Year End: 1231
Type: SC 13G/A | Act: 34 | File No.: 005-33776 | Film No.: 18588068
SIC: 3661 Telephone & Telegraph Apparatus

Mailing Address 6300 BEE CAVE ROAD BUILDING ONE AUSTIN TX 78746
Business Address 6300 BEE CAVE ROAD BUILDING ONE AUSTIN TX 78746 (512) 306-7400
DIMENSIONAL FUND ADVISORS LP (Filed by) CIK: 0000354204 (see all company filings)

IRS No.: 222370029 | State of Incorp.: DE | Fiscal Year End: 1231
Type: SC 13G/A
SIC: 0000