Where do I record the loss from Celsius Ionic stock?

If you sold stock at a loss, you will enter it by selecting the following:

Federal

1. Income
2. Show More next to Investment Income
3. Start next to Stocks, Cryptocurrency, Mutual Funds, Bonds, Other (1099-B)
4. Walk through the steps of entering a 1099-B with the information you do have.  
5. Enter the proceeds and then your cost basis