Step 1:

Log into your StormGain account.

Step 2:

Navigate to Reports.

Step 3:

Select Closed Orders in the Exchange subsection and click on Save as CSV.

Step 4:

You will receive a file in CSV format. Open the CoinLedger app and navigate to Step 1. Import. Select Add Account then choose the StormGain tab. Click on Upload File and drag your CSV file into the box to import your transactions.