X0306 4 2012-11-05 0 0000731766 UNITEDHEALTH GROUP INC UNH 0001024367 LEATHERDALE DOUGLAS W C/O UNITEDHEALTH GROUP 9900 BREN ROAD EAST MINNETONKA MN 55343 1 0 0 0 Common Stock 2012-11-05 4 M 0 10000 21.428 A 927921 D Common Stock 2012-11-05 4 M 0 2360 20.86 A 930281 D Common Stock 2012-11-05 4 M 0 10000 22.82 A 940281 D Common Stock 2012-11-05 4 M 0 2320 23.19 A 942601 D Common Stock 2012-11-05 4 M 0 10000 25.155 A 952601 D Common Stock 2012-11-05 4 M 0 1720 27.575 A 954321 D Common Stock 2012-11-05 4 M 0 10000 25.88 A 964321 D Common Stock 2012-11-05 4 M 0 2000 26.175 A 966321 D Common Stock 2200 I by Trust 1 Common Stock 2200 I by Trust 2 Common Stock 2200 I by Trust 3 Common Stock 7200 I by Trust 4 Common Stock 7200 I by Trust 5 Common Stock 7200 I by Trust 6 Common Stock 7200 I by Trust 7 These shares are held in a irrevocable trust for the benefit of the reporting person's grandchild. The reporting person disclaims beneficial ownership of the shares held by his grandchild's irrevocable trust, and this report should not be deemed an admission that the reporting person is the beneficial owner of the shares held by the irrevocable trust for the purposes of Section 16 or for any other purpose. These shares are held in a irrevocable trust for the benefit of the reporting person's child. The reporting person disclaims beneficial ownership of the shares held by his child's irrevocable trust, and this report should not be deemed an admission that the reporting person is the beneficial owner of the shares held by the irrevocable trust for the purposes of Section 16 or for any other purpose. Dannette L. Smith, Attorney-in-Fact for Douglas W. Leatherdale 2012-11-06