David P.  Sponsel net worth and biography

David Sponsel Biography and Net Worth

EVP of Alphatec
Dave Sponsel has served as Executive Vice President, Sales since April 2019. Dave began his career at Alphatec Spine as Area Vice President, Sales, South in May 2018. Prior to joining Alphatec Spine, he held the position of General Manager, Spine Division for Medacta, USA, where he was responsible for sales, marketing, product management and product development. Prior to that, he had an exceedingly successful 11-year experience in sales and sales leadership with Stryker Spine, where he was recognized as Sales Director of the Year in 2014. Dave received a BS from Indiana State University in Business Management.

What is David P. Sponsel's net worth?

The estimated net worth of David P. Sponsel is at least $5.19 million as of March 11th, 2026. Mr. Sponsel owns 504,932 shares of Alphatec stock worth more than $5,190,701 as of September 17th. This net worth evaluation does not reflect any other investments that Mr. Sponsel may own. Learn More about David P. Sponsel's net worth.

How do I contact David P. Sponsel?

The corporate mailing address for Mr. Sponsel and other Alphatec executives is 1950 Camino Via Roble, Carlsbad, CA. Alphatec can also be reached via phone at (760) 431-9286 and via email at [email protected]. Learn More on David P. Sponsel's contact information.

Has David P. Sponsel been buying or selling shares of Alphatec?

David P. Sponsel has not been actively trading shares of Alphatec in the last ninety days. Most recently, David P. Sponsel sold 163,452 shares of the business's stock in a transaction on Wednesday, March 11th. The shares were sold at an average price of $12.52, for a transaction totalling $2,046,419.04. Following the completion of the sale, the executive vice president now directly owns 504,932 shares of the company's stock, valued at $6,321,748.64. Learn More on David P. Sponsel's trading history.

Who are Alphatec's active insiders?

Alphatec's insider roster includes Evan Bakst (Director), Jeffrey Black (CFO), David Demski (Director), Jason Hochberg (Director), Craig Hunsaker (EVP), Mortimer III (Director), John Koning (Chief Financial Officer), Scott Lish (SVP), Tyson Marshall (General Counsel & Corporate Secretary), Karen McGinnis (Director), Patrick Miles (CEO), David Mowry (Director), David Pelizzon (Director), Jennifer Pritzker (Major Shareholder), Jeffrey Rydin (Director), Paul Segal (Major Shareholder), David Sponsel (EVP), and James Tullis (Director). Learn More on Alphatec's active insiders.

Are insiders buying or selling shares of Alphatec?

In the last twelve months, Alphatec insiders bought shares 1 times. They purchased a total of 115,000 shares worth more than $1,013,150.00. In the last twelve months, insiders at the medical technology company sold shares 40 times. They sold a total of 4,384,532 shares worth more than $82,637,287.40. The most recent insider tranaction occured on September, 10th when CEO Patrick Miles bought 115,000 shares worth more than $1,013,150.00. Insiders at Alphatec own 13.5% of the company. Learn More about insider trades at Alphatec.

Information on this page was last updated on 9/10/2026.

David P. Sponsel Insider Trading History at Alphatec

Transaction DateBuy/SellNumber of SharesAverage Share PriceTotal TransactionShares Held After TransactionDetails
3/11/2026Sell163,452$12.52$2,046,419.04504,932View SEC Filing Icon  
2/5/2026Sell60,425$13.79$833,260.75349,500View SEC Filing Icon  
12/10/2025Sell21,106$20.79$438,793.74439,767View SEC Filing Icon  
12/8/2025Sell988$21.45$21,192.60460,873View SEC Filing Icon  
10/24/2025Sell70,000$16.18$1,132,600.00461,861View SEC Filing Icon  
9/19/2025Sell2,555$15.34$39,193.70531,861View SEC Filing Icon  
9/18/2025Sell137,445$15.09$2,074,045.05534,416View SEC Filing Icon  
3/6/2025Sell33,732$10.83$365,317.56668,977View SEC Filing Icon  
2/24/2025Sell12,946$10.73$138,910.58722,128View SEC Filing Icon  
2/3/2025Sell36,256$11.42$414,043.52735,074View SEC Filing Icon  
1/13/2025Sell58,283$10.71$624,210.93502,311View SEC Filing Icon  
1/10/2025Sell238$10.00$2,380.00560,594View SEC Filing Icon  
2/21/2024Sell17,820$15.34$273,358.80654,661View SEC Filing Icon  
2/14/2024Sell2,500$16.16$40,400.00637,418View SEC Filing Icon  
1/16/2024Sell2,500$15.00$37,500.00555,280View SEC Filing Icon  
12/21/2023Sell2,500$15.00$37,500.00557,780View SEC Filing Icon  
6/15/2023Sell55,577$16.17$898,680.09559,840View SEC Filing Icon  
3/6/2023Sell16,823$15.82$266,139.86719,181View SEC Filing Icon  
12/5/2022Sell10,000$9.88$98,800.00556,983View SEC Filing Icon  
11/7/2022Sell10,000$9.25$92,500.00566,690View SEC Filing Icon  
6/16/2021Sell10,000$14.78$147,800.00554,317View SEC Filing Icon  
5/3/2021Sell30,000$15.97$479,100.00615,371View SEC Filing Icon  
4/26/2021Sell14,572$16.63$242,332.36598,184View SEC Filing Icon  
10/12/2020Sell89,999$9.47$852,290.53571,840View SEC Filing Icon  
3/11/2020Buy11,000$4.51$49,610.00View SEC Filing Icon  
See Full Table

David P. Sponsel Buying and Selling Activity at Alphatec

This chart shows David P. Sponsel's buying and selling at Alphatec by year and by quarter.

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Alphatec Company Overview

Alphatec logo
Alphatec Holdings, Inc., a medical technology company, designs, develops, and advances technologies for the surgical treatment of spinal disorders in the United States and internationally. It manufactures and sells implants and instruments through third-party suppliers. The company offers Alpha InformatiX product platform, including EOS imaging system that provides full-body imaging; VEA alignment mobile application, which leverages EOS technology to more quickly quantify alignment parameters on a mobile device; SafeOp Neural InformatiX System that automates electromyographic and somatosensory evoked potential monitoring; and Valence, an intra-operative system that integrates navigation and robotics into spine procedures, as well as Sigma Prone TransPsoas (PTP) Access and PTP Patient Positioning Systems. It also provides split-blade retractors; Sigma-ALIF Access System, a procedure-specific access system; spinal implants and fixation systems comprising NanoTec surface modifications, Calibrate PSX, and Invictus, as well as various standalone implants for height restoration and stabilization. In addition, the company provides biologics comprising 3D ProFuse Osteoconductive Bioscaffold for ease of handling and better endplate-to-endplate contact; AlphaGRAFT Demineralized Bone Matrix (DBM) comprising demineralized human tissues; AlphaGRAFT DBM Fibers comprising demineralized fibers; AlphaGRAFT Cellular Bone Matrix (CBM), a growth factor-enriched cellular bone matrix; AlphaGRAFT CBM that is delivered in granular, fiber, or structural form; BioCORE Moldable Bioactive Graft, a synthetic mineral-collagen composite matrix that can be molded to fit the bone defect; and Amnioshield Amniotic Tissue Barrier, an allograft for spinal surgical barrier applications. The company sells its products through a network of independent sales agents and direct sales representatives. Alphatec Holdings, Inc. was founded in 1990 and is headquartered in Carlsbad, California.
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Today's Range

Now: $10.28
Low: $10.02
High: $10.53

50 Day Range

MA: $9.40
Low: $8.06
High: $10.86

2 Week Range

Now: $10.28
Low: $6.82
High: $23.29

Volume

2,756,347 shs

Average Volume

2,059,717 shs

Market Capitalization

$1.59 billion

P/E Ratio

N/A

Dividend Yield

N/A

Beta

0.85