Dentsply Sirona's stock surged 5.36% in after-hours trading on Tuesday, following reports of insider buying activity by company directors.

The significant after-hours movement appears to be driven by positive investor sentiment after two Dentsply Sirona directors reported acquiring common shares in the company. Director Gregory T. Lucier and Director James D. Forbes both reported purchases of company shares, with Forbes specifically acquiring 5,000 common shares.

Such insider buying activity is often interpreted as a strong vote of confidence in the company's future prospects, as directors typically have deep insight into the business's operations and strategic direction. The simultaneous purchases by multiple directors likely contributed to the positive after-hours market reaction.