David Sponsel bought ATEC once, on Mar 11, 2020

David P. Sponsel is the Executive Vice President of Sales at Alphatec Holdings, Inc. (NASDAQ: ATEC), a provider of innovative spine surgery solutions.( Aged 46, he joined the company in May 2018 as Area Vice President, Sales (South), and was promoted to his current role in April 2019, bringing nearly two decades of sales and leadership experience in the spine industry.(

Sponsel's career highlights include 11-13 years at Stryker Spine, where he advanced from Sales Representative to Senior Director of Sales, West, leading three business unit turnarounds from negative to positive growth and earning Sales Director of the Year in 2014.( Prior to Alphatec, he served as General Manager of the Spine Division at Medacta USA.( As a corporate insider, he has recently sold shares, including 988 shares on December 8, 2025, for $21,192 to cover tax obligations, and 60,425 shares on February 5, 2026, for $833,260 under a Rule 10b5-1 plan, retaining 349,500 shares afterward.(

Written by Perplexity from public sources.