The inquiry centers on the acquisition terms proposed by CD&R and McKesson Corporation. Ademi LLP is examining whether the board of directors met its fiduciary duties during negotiations or if the deal structure artificially limits potential competition. Specifically, the firm is scrutinizing a significant termination penalty that could suppress superior offers from other interested parties.

Legal representatives are also assessing the change-of-control benefits allocated to company insiders. Investors holding OPCH stock are being urged to review the transaction's impact on their holdings, as the investigation seeks to determine if the board adequately protected the interests of public shareholders throughout the process.