Northrop Grumman director exercises options for 4,500 shares

NEW YORK—A director of defense contractor Northrop Grumman Corp. exercised options for 4,500 shares of common stock, according to a Securities and Exchange Commission filing Thursday.

In a Form 4 filed with the SEC, Lewis W. Coleman reported exercising the options on Tuesday for $43.98 to $61.52 apiece and then selling the same number of shares on the same day for $74.29 to $74.32 apiece.

Insiders file Form 4s with the SEC to report transactions in their companies' shares. Open market purchases and sales must be reported within two business days of the transaction.

Northrop Grumman is based in Los Angeles.