Technology > Long Distance Carriers > Zoom Telephonics, Inc. (ZMTP):
Monthly insider trade sell & buy 5 month 1 year 2 years 5 years| Buy Volume |
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| Sale Volume |
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Short interest :
- Daily short sale volume for Zoom Telephonics, Inc. (ZMTP)
- Bi-monthly short interest from NASDAQ
- Insider Transactions for Zoom Telephonics, Inc. (Zoom Telephonics, Inc.) by Yahoo
- NASDAQ insider trades for Zoom Telephonics, Inc. (Zoom Telephonics, Inc.)
- Major Holders of Zoom Telephonics, Inc. listed by Yahoo
- Zoom Telephonics, Inc. (ZMTP)owership summary,institutional holdings