Shares of Maravai LifeSciences Holdings, Inc. (MRVI) surged 5.54% in after-hours trading on Thursday, following news of a significant insider purchase. The company's Chief Executive Officer, Bernd Brust, reported an acquisition of common shares, as disclosed in a recent regulatory filing.

Insider buying is often viewed positively by investors, as it can signal management's confidence in the company's future prospects. The substantial after-hours movement suggests that market participants are reacting favorably to this development, potentially interpreting it as a bullish indicator for Maravai LifeSciences.

While the exact details of the share acquisition were not immediately available, such insider transactions are closely monitored by the investment community. The timing and size of CEO Brust's purchase could provide insights into the company's current valuation and potential future performance. Investors will likely be watching for any further details or statements from the company regarding this insider activity and its implications for Maravai LifeSciences' business outlook.