HALO - Halozyme Therapeutics Inc. 2021 Q4 - Results - Earnings Call Presentation February, 22 2022 08:21 PM Halozyme Therapeutics Inc. The following slide deck was published by Halozyme Therapeutics, Inc. in conjunction with their 2021 Q4 earnings call. For further details see: Halozyme Therapeutics, Inc. 2021 Q4 - Results - Earnings Call Presentation