No Option to Claim or give Feedback on Stock Ticker SERPs?

Hi! Wondering if you call can help me get the bottom of something.

I have a client who, when searching for their stock ticker, the knowledge graph on the SERP is displaying the incorrect URL (but when you perform a search for their business name, the URL is correct). It looks like though, in stock ticker specific SERPs, there's no way to claim or make suggestions to the information. Any ideas on how to get the URL updated?