The IRC allows those under the age of 59 ½ to withdraw from their 401(k) plans without the 10% additional penalty if they do so in the form of a series of substantially equal payments (SoSEPP) over their remaining life expectancy. In order to establish a SoSEPP, you typically need to be terminated from your employer.
Roll it into a new 401(k) plan The cons: You'll need to liquidate your current 401(k) investments and reinvest them in your new 401(k) plan's investment offerings, which will take time and some research.
Under federal law, the servicer must generally send you a payoff statement within seven business days of your request, subject to a few exceptions. (12 C.F.R. § 1026.36.)