3 ms·what is a 501k? i live in the us and have never heard of thatby whimsicalism 2y agowhat is a 501k? i live in the us and have never heard of thatbooi 2y agoThey probably meant 401ksamspenc 2y agoI can't find anything for a 501k US private pension plan either - it's either a 401k, 403b or "pension" plans. Curious what GP meant by 501k.