Key phrase from the article is "modern generation of insulin". A good overview of the design and effects of the new insulins are here :
https://onlinelibrary.wiley.com/doi/full/10.1111/dme.13692
( "Lessons for modern insulin development" ).
Fiasp is an example of one of the most modern ones and still I can't find a price higher than $125 per 3ml: https://www.goodrx.com/fiasp?dosage=3ml-of-100-units-ml&form...