But prices are going up. Look at the statements your insurance company provides about the reimbursed "cost" of covered generics:

Some experts report that PBMs overcharge for generics; The Wall Street Journal estimated that Cigna and CVS Health, both of which own PBM services, are able to charge prices for specialty generic drugs that are 24 times higher than what manufacturers charge.

https://www.americanprogress.org/article/5-things-to-know-ab...