Freeline Therapeutics Holdings Plc Pre-Tax Margin is -238,900.00% for the quarter ending September 30, 2023. Pre-tax margin represents the proportion of a company's earnings before taxes (EBT) to its revenue. It is calculated by dividing the EBT by the revenue. This ratio indicates the profitability of the company's operations before the impact of taxes. A higher pre-tax margin suggests that the company generates a larger proportion of revenue as pre-tax profit, indicating stronger operational performance and efficiency.