Form SC 13G/A - Statement of Beneficial Ownership by Certain Investors: [Amend]
SEC Accession No. 0001037389-21-000239
Filing Date
2021-02-11
Accepted
2021-02-11 10:10:03
Documents
1

Document Format Files

Seq Description Document Type Size
1 jcs-13g_20201231.txt SC 13G/A 11764
  Complete submission text file 0001037389-21-000239.txt   13302
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)

EIN.: 410957999 | State of Incorp.: MN | Fiscal Year End: 1231
Type: SC 13G/A | Act: 34 | File No.: 005-33776 | Film No.: 21617279
SIC: 3661 Telephone & Telegraph Apparatus

Mailing Address 800 THIRD AVE NEW YORK NY 10022
Business Address 800 THIRD AVE NEW YORK NY 10022 2124866780
RENAISSANCE TECHNOLOGIES LLC (Filed by) CIK: 0001037389 (see all company filings)

EIN.: 260385758 | State of Incorp.: DE | Fiscal Year End: 1231
Type: SC 13G/A