Novolin/ReliOn is nowhere near that expensive. I skimmed it, but report you are citing appears to be averaging the price of insulin types. So if there is a cheap rapid and an expensive rapid, it ignores that somebody can buy the cheap one. That averaging distorts the price of available traditional insulin dramatically.
https://www.goodrx.com/healthcare-access/research/how-much-d...
It is more expensive in the United States because the US is subsidizing the earnings requirements the companies who make the drug require to develop new variants. At a high level, everybody pays insurance, it gets funneled into high drug prices, high drug prices pay shareholders and fund R&D. It's capitalisms version of socialized drug creation, and the rest of the world benefits from the US overpaying.