Technical Communications Corporation announced that it has entered into a stock purchase agreement with Ralph M. Norwood, a director of the company for a private placement of 4,000 shares at an issue price of $4 per share for gross proceeds of $16,000 on July 15, 2021. The securities issued are subject to hold period. The transaction was approved by the board of directors of the company. The par value of shares is $0.10 per share.