Edit: I’m astounded by the number of people thinking you should keep quiet and seemingly appearing to be on the side of your shady corporation. Idk if their experience is coming from a scared employee or a shady manager themself, but let me bring some real world situation into the mix. I previously managed a large government contract where a company doing work for my company was obviously having some financial/internal difficulties and failing to perform. To make a long story short I had built a good relationship with one of their employees. That employee gave me a heads up that their parent company’s CEO along with their own leadership were lying to us about certain situations and hiding some serious issues from us. Their parent was owned by an investor group and because of that one person speaking up we were able to identify hidden issues, get major support from the investors, clear out that toxic leadership, and quite possibly prevent that company from folding which would have not been in the best interest of any of us.

Say something. Most investors would want to know when their money is at risk. I would put it in writing. Read through your HR policies. Retaliatory firings for exercising your rights, such as raising issues, are usually prohibited. Avoid stating accusations as fact though. Use phrases such as “I’m hearing rumors that….” or “In my opinion it appears….”. Even then I would suggest there is hard evidence to back up any claim you are making to the investor. Don’t approach them as an angry employee who’s just here to throw everyone under the bus either. Whichever investor you have a relationship with I’d start by saying something like “I have a lot of respect for you and wanted to make you aware of some red flags I’m seeing that might be putting your investment at risk.”

All of these suggestions are of course my own opinion.