Healthcare radio frequency identification technology firm WaveMark Inc. brought in $3.9 million in an equity offering, according to a Securities & Exchange Commission filing.
The Littleton, Mass.-based firm raised the cash from 20 different investors, according to the Aug. 25 filing.
WaveMark makes RFID products for the healthcare industry that enable hospitals and medical device suppliers to track their inventories.
The filing indicates that the proceeds from the offering will be spent on working capital.
