Yes I just saw it too. All of the bands say it should work on AT&T too. You would just have to unlock it likely, which is just a phone call to T-Mobile or one of those third party vendors that do it for 5 bucks.
If anyone finds an unlock code place that does it, please list it here.
LTE (700, 850, AWS, 1900 MHz)
HSPA ( 850, 900, AWS, 1900, 2100 MHz)
GSM/EDGE/GPRS (850, 900, 1800, 1900 MHz)
Verizon HTC One Unlocked Rooted
S-Off without JavaCard is here!