Cisco Systems, Inc. is an American company in the telecommunications industry. It is primarily known for its routers and switches, which are used by a substantial part of the Internet backbones. Cisco was founded in December 1984 by a group of scientists (primarily Leonard Bosack and Sandy Lerner) from Stanford University near San Francisco.
A Failure to deliver also known as fails-to-deliver or FTD occurs when a buyer or seller is unable to meet his trading obligations. FTDs for US listed companies are reported to the SEC and published twice a month. Therefore there is a certain delay between the reporting and the publishing of the data.
Number of shares, 3 months chart