My local bank put my account under review because I exchanged 200 ETH into fiat from Coinbase and transferred the USD to my account. I hear PNG, Bank of America, and a few others are doing the same to account holders.
Can anyone recommend a US bank that is crypto-friendly?
If bank lets you to exchange crypro, it's already crypto-friendly. Remember that everything depends on value of money. I bet you will never have problem if you exchange 500$ weekly but so much ether in one time, it causes some doubts. (In my situation it's like: What is the source of money, why so much money, is it attemp of money laundering and etc silly ones). Send them what they want, every crypro-friendly bank you are looking for would do the same.
There are some banks that let you do this actually. But you still have to comply with KYC and AML laws, so without filing proper tax reports your funds will still get frozen for inspection if you cash out huge sums.