# US Senate: insulin makers raised list prices in lockstep; PBMs rewarded hikes

Date: 2021

_No public text on this fact yet._

## Drivers

- Access to Essential Medicines: https://factrail.ai/drivers/access-to-essential-medicines

## Sources

_Sources are listed on the canonical page._

## Methodology

https://factrail.ai/methodology

Canonical: https://factrail.ai/facts/us-senate-insulin-list-price-pbm-investigation-2021