X0303 4 2011-05-11 0000054381 KAMAN CORP KAMN 0001196435 DENNINGER WILLIAM C C/O KAMAN CORPORATION 1332 BLUE HILLS AVENUE BLOOMFIELD CT 06002 1 Senior Vice President / CFO Kaman Common Stock 2011-05-11 4 P 0 4700 36.8823 A 28697.83 D Stock Options (Right to Buy) 21.27 Kaman Common Stock 10000 10000 D Stock Options (Right to Buy) 26.07 Kaman Common Stock 24300 24300 D This figure represents the weighted average purchase price for the shares purchased. The range of prices was $36.82 to $37.07. The reporting person will provide full information regarding the number of shares purchased at each separate price upon request by the SEC staff, the issuer, or any security holder of the issuer Includes acquisition of 445.45 shares under the Corporation's Employees Stock Purchase Plan, a Rule 16(b)-3 qualified plan, through 5/11/2011. Does not include shares underlying stock options all of which are listed in Table II of this form. Exercisable at the rate of 20% per year, generally beginning one year after grant date; expires ten (10) years after grant. All options and stock appreciation rights are issued under the Corporation's 16b-3 qualified Stock Incentive Plan, including options issued under predecessor plan. The Plans include a feature which permits the exercise price for an option to be paid by withholding a portion of the shares otherwise issuable upon exercise. /s/ William C. Denninger 2011-05-11