TriNet Group (TNET) shares plummeted 5.15% in intraday trading on Wednesday, despite the company reporting better-than-expected third-quarter results. The sharp decline comes as the human resources solutions provider announced a significant change in its top finance leadership, raising concerns among investors.

TriNet reported adjusted earnings per share of $1.11 for the quarter ended September 30, surpassing the mean analyst estimate of $0.78. The company's revenue of $1.23 billion also beat expectations of $1.22 billion. Despite these positive results, TriNet's adjusted EPS declined from $1.17 in the same quarter last year, while revenue slightly decreased from $1.25 billion year-over-year.

The unexpected stock drop appears to be primarily driven by the announcement of a CFO change. TriNet revealed that Mala Murthy will replace Kelly Tuminelli as Executive Vice President and Chief Financial Officer, effective November 28. Murthy, who previously served as CFO at Teladoc Health, brings experience from roles at American Express and PepsiCo. However, the abrupt leadership change seems to have unsettled investors, overshadowing the company's solid quarterly performance and reaffirmed full-year 2025 guidance.