Buybacks take the form of Vessel Buyback Programs and License Retirement Programs. A sell/buyback is the spot sale and a forward repurchase of a security. In 2010, Seagate reinstated its dividend and began a stock buyback plan. Apple had announced a $500 million stock buyback. In May 2017, it was announced Cognex authorized a new stock buyback program. Corporations use internal rate of return to evaluate share issues and stock buyback programs. Another possibility was a bond debt buyback. Stockholders who had remained through the buyback achieved a phenomenal gain of about 3,000 percent. In the United States, no special shareholder approval of a selective buyback is required. The insurer's board approved a share buyback of as much as $1 billion. The funds supported habitat restoration, data collection and salmon license buyback programs. Mandarake Sahra is open to the public for buyback only, and not sales. Other potential costs may include an increase in the amount of government-sponsored buyback programs. EPR may take the form of a reuse, buyback, or recycling program. He also supports a mandatory buyback of assault weapons.