(Updated)More thorough MULN explanation imo that may sound familiar.
"The damage the toxic funders can do, first to the company itself, by forcing dilution that’s sometimes so catastrophic management has no choice but to do to a very large reverse split. As the dilution continues quarter over quarter, a second and then a third split may be required. Investors lose faith in the company, and everyone but the toxic lender loses money." https://www.securitieslawyer101.com/2021/unregistered-dealers-toxic-financings-toxic-lender-toxic-convertible-note/