As noted yesterday, Seagate (P/C Chart, news, chart, volatility) has been the subject increasing call activity in recent days. Open interest in STX calls is up 11.4 percent to 105K contracts since the stock set record lows on Jan 23, two days after posting disappointing earnings. Insiders have been buying as well. An SEC filing out last night showed the company’s CEO Luczo buying 500K shares at an average of $3.56 on 1/27. STX is down 20 cents to $3.84 today.