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Form SC 13D/A - General statement of acquisition of beneficial ownership: [Amend]
SEC Accession No. 0000919574-20-004832
Filing Date
2020-08-05
Accepted
2020-08-05 16:57:31
Documents
1

Document Format Files

Seq Description Document Type Size
1 d8588909_13d-a.htm SC 13D/A 130505
  Complete submission text file 0000919574-20-004832.txt   131893
Mailing Address 3 WEST HILL PLACE BOSTON MA 02110
Business Address 3 WEST HILL PLACE BOSTON MA 02110 6178568995
MANCHESTER MANAGEMENT CO LLC (Filed by) CIK: 0001169253 (see all company filings)

IRS No.: 000000000
Type: SC 13D/A

Mailing Address 225 FRANKLIN STREET, 26TH FLOOR BOSTON MA 02110
Business Address 225 FRANKLIN STREET, 26TH FLOOR BOSTON MA 02110 617-423-1072
Zoom Telephonics, Inc. (Subject) CIK: 0001467761 (see all company filings)

IRS No.: 042621506 | State of Incorp.: DE | Fiscal Year End: 1231
Type: SC 13D/A | Act: 34 | File No.: 005-85044 | Film No.: 201078372
SIC: 3661 Telephone & Telegraph Apparatus