SER SERINA THERAPEUTICS INC Investments/Divestments 8-K Filing 2023 - Borrowing and issuance of warrants AgeX borrowed $500,000 under a Secured Convertible Promissory Note with Juvenescence, and will issue warrants to purchase shares of AgeX common stock to Juvenescence.Get access to all SEC 8-K filings of the SERINA THERAPEUTICS INC