To amend the Employee Retirement Income Security Act of 1974 to ensure that pharmacy benefit managers are considered fiduciaries, and for other purposes.

HR 6837 amends federal law to require pharmacy benefit managers (PBMs) to act as fiduciaries for employer-sponsored health plans, meaning they must prioritize plan participants' interests. The bill mandates PBMs to disclose how they receive compensation (including rebates or fees) from drug manufacturers or other sources. It also prohibits PBMs from avoiding liability for mistakes by seeking indemnification and clarifies that PBMs cannot be the "responsible fiduciary" for disclosure purposes. These changes apply to group health plans starting 12 months after the bill becomes law.