ARCT ARCTURUS THERAPEUTICS HOLDINGS INC Investments/Divestments 8-K Filing 2023 - COVID-19 Vaccine Submission in Japan Arcturus Therapeutics Holdings Inc.'s subsidiary, Meiji Seika Pharma Co., Ltd., submitted a New Drug Application for ARCT-154 for COVID-19 prevention in Japan.Get access to all SEC 8-K filings of the ARCTURUS THERAPEUTICS HOLDINGS INC