I hate to belabor the obvious, but that means there are companies that disclose this information, and you can choose (or not) to reward them with your investment.
So, I do do that, by investing in equity (as much as I do) with high dividends, since that is orders of magnitude easier to dig up than to find the few companies that are both interesting as a business and also have sufficiently transparent quarterly statements. Time is valuable, after all.
However, to get back to the original point, the current environment of board and c-suite self-dealing will not change until many, many more people invest and think the way I do. For that to happen, the current bias towards capital gains, which your generation grew up on, will need to be wiped out conclusively.
I hate to belabor the obvious, but that means there are companies that disclose this information, and you can choose (or not) to reward them with your investment.