X0306 4 2015-10-26 false 0001079577 STANCORP FINANCIAL GROUP INC SFG 0001485911 Durham Katherine 1100 SW 6TH AVE PORTLAND OR 97204 false true false false VP IDI Marketing Communication common stock 2015-10-26 4 M false 5000 44.21 A 9138 D common stock 2015-10-26 4 M false 3114 45.84 A 12252 D common stock 2015-10-26 4 M false 2925 45.85 A 15177 D common stock 2015-10-26 4 M false 3146 39.58 A 18323 D common stock 2015-10-26 4 M false 3239 38.56 A 21562 D common stock 2015-10-26 4 F false 11230 114.86 D 10332 D Stock Option RTB 03022010 44.21 2015-10-26 4 M false 5000 0 D 2011-03-02 2020-03-02 common stock 5000 0 D Stock Option RTB 03052010 45.84 2015-10-26 4 M false 3114 0 D 2011-03-05 2020-03-05 common stock 3114 0 D Stock Option RTB 02142011 45.85 2015-10-26 4 M false 2925 0 D 2011-12-31 2021-02-14 common stock 3089 164 D Stock Option RTB 02132012 39.58 2015-10-26 4 M false 3146 0 D 2012-12-31 2022-02-13 common stock 4194 1048 D Stock Option RTB 02112013 38.56 2015-10-26 4 M false 3239 0 D 2013-12-31 2023-02-11 common stock 6479 3240 D The total of securities beneficially owned includes 83 shares purchased through the Company's Employee Share Purchase Plan on July 31, 2015. This option was granted on March 2, 2010 and became exercisable in four equal installments on the first four anniversaries of March 2, 2010. This option was granted on March 5, 2010 and became exercisable in four equal installments on the first four anniversaries of March 5, 2010. This option was granted on February 14, 2011 and became exercisable in four equal installments on the first four anniversaries of December 31, 2010. This option was granted on February 13, 2012 and becomes exercisable in four equal installments on the first four anniversaries of December 31, 2011. This option was granted on February 11, 2013 and becomes exercisable in four equal installments on the first four anniversaries of December 31, 2012. Holley Y. Franklin 2015-10-28