https://extranet.who.int/pqweb/vaccines/vaccinescovid-19-vaccine-eul-issued

BioNTech SE is on the stock market, a Gmbh a company can’t be on the stock market, why is the WHO writing that BioNTech is a Gmbh?
https://www.nasdaq.com/market-activity/stocks/bntx

The WHO is doing this to confuse people or why they doing this?