· US Office of Personnel Management, Office of Inspector General. Report No. 2022-SAG-029. March 27, 2024. https://www.oversight.gov/sites/default/files/documents/reports/2024-10/2022-SAG-029.pdf
· US Office of Personnel Management, Office of Inspector General.. Report No. 2023-SAG-019. November 14, 2024. https://www.oversight.gov/sites/default/files/documents/reports/2025-01/2023-SAG-019.pdf
· Texas Health and Human Services, Office of Inspector General. Managed Care Pharmacy Benefit Services: Aetna Better Health of Texas Inc. and Caremark PCS Health, LLC. October 31, 2024. https://oig.hhs.texas.gov/sites/default/files/documents/pbm_aetna_0.pdf
· Texas Health and Human Services Commission, Office of Inspector General. Managed Care Pharmacy Benefit Services: Wellpoint Texas, Inc.; Wellpoint Insurance Company; CarelonRx, Inc.; and Caremark PCS Health, LLC. October 31, 2024. https://oig.hhs.texas.gov/sites/default/files/documents/audit-pbm_wellpoint_1.pdf
· State of Illinois. Illinois recovers $45 million settlement from CVS Caremark. Press release. May 14, 2025. https://www.illinois.gov/news/release.html?releaseid=31292
· National Community Pharmacists Association. Optum flouted Mississippi law, says state’s Board of Pharmacy. October 17, 2024. https://www.ncpa.org/newsroom/qam/2024/10/17/optum-flouted-mississippi-law-says-states-board-pharmacy
· Mississippi Board of Pharmacy. Mississippi Board of Pharmacy Completes Audit of Optum for 2022 Claims. October 2024. https://www.mbp.ms.gov/news/mississippi-board-pharmacy-completes-audit-optum-2022-claims
· United States District Court, Eastern District of Pennsylvania. United States ex rel. Behnke v. CVS Caremark Corporation, et al. Civil Action No. 14-cv-824. Judgment and Order. August 20, 2025. https://www.reuters.com/legal/government/cvs-unit-must-pay-290-million-drug-whistleblower-lawsuit-judge-rules-2025-08-20/