Francis Blake, a director atDelta Air Lines (DAL), recently bought 12,880 shares. That came to a total cost just under $497,000, and increased the director’s holdings by 16 percent. This marks the first buy at the airliner since another director bought $293,000 in shares back in July. A third director also rounded out the total insider buying over the past year. Otherwise, company executives have been modest sellers of shares in the ensuing months. Overall, company insiders own 0.3 percent of shares. Shares of the airline company are flat over the past year. Earnings jumped 42 per...
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