X0202 4 2007-08-27 0001122304 AETNA INC /PA/ AET 0001185243 WILLIAMS RONALD A AETNA INC. 151 FARMINGTON AVENUE HARTFORD CT 06156 1 1 0 0 Chairman, CEO & President Common Stock 2007-08-27 4 M 0 800000 8.945 A 0 D Common Stock 2007-08-27 4 S 0 239800 50.00 D 0 D Common Stock 2007-08-27 4 S 0 78000 50.01 D 0 D Common Stock 2007-08-27 4 S 0 37200 50.02 D 0 D Common Stock 2007-08-27 4 S 0 72600 50.03 D 0 D Common Stock 2007-08-27 4 S 0 74200 50.04 D 0 D Common Stock 2007-08-27 4 S 0 94700 50.05 D 0 D Common Stock 2007-08-27 4 S 0 11700 50.06 D 0 D Common Stock 2007-08-27 4 S 0 34300 50.07 D 0 D Common Stock 2007-08-27 4 S 0 44500 50.08 D 0 D Common Stock 2007-08-27 4 S 0 35700 50.09 D 0 D Common Stock 2007-08-27 4 S 0 45000 50.10 D 0 D Common Stock 2007-08-27 4 S 0 11100 50.11 D 0 D Common Stock 2007-08-27 4 S 0 15100 50.12 D 0 D Common Stock 2007-08-27 4 S 0 1900 50.13 D 0 D Common Stock 2007-08-27 4 S 0 1800 50.14 D 0 D Common Stock 2007-08-27 4 S 0 1600 50.17 D 0 D Common Stock 2007-08-27 4 S 0 200 50.18 D 0 D Common Stock 2007-08-27 4 S 0 200 50.19 D 0 D Common Stock 2007-08-27 4 S 0 200 50.20 D 0 D Common Stock 2007-08-27 4 S 0 200 50.22 D 211094 D Common Stock 10000 I By GRAT Employee Stock Option 8.945 2007-08-27 4 M 0 800000 8.945 D 2003-01-25 2012-01-25 Common Stock 800000 0 D Sale was effected purusant to a Rule 10b5-1 trading plan adopted by reporting person on July 30, 2007. Includes 120,000 shares held in the Williams Family Trust of which Mr. Williams and his spouse are sole trustees and beneficiaries, and 926 shares acquired under the Aetna Inc. Employee Stock Purchase Plan. Shares held in Guaranteed Retained Annuity Trust of which Mr. Williams is the sole trustee. Ronald A. Williams by Judith H. Jones, Attorney -in-fact 2007-08-28