| Insider Name | Buy/Sell | Company Name | Ticker | Amount | Shares Change | |||
|---|---|---|---|---|---|---|---|---|
| Oct 09, 2020 | Oct 13, 2020 | Manning Frank Blase Dir 10% | Sell | Zoom Telephonics, Inc. | ZMTP | $2.5 | $6M | -0 |
| May 06, 2019 | Jan 28, 2020 | Manning Frank Blase CEO Acting CFO | Buy | Zoom Telephonics, Inc. | ZMTP | $1.1 | $344,997 | +15.23% |