no capital gain. also there would likely be fees involved since it must be transferred to a financial institution to sell if held in Treasury Direct.
To sell a bill you hold in TreasuryDirect or Legacy Treasury Direct, first transfer the bill to a bank, broker, or dealer, then ask the bank, broker, or dealer to sell the bill for you.
How you transfer a bill to a bank, broker, or dealer depends on whether you hold the bill in TreasuryDirect or Legacy Treasury Direct.
