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-$117M
Insider buying and selling at Alphatec Holdings (ATEC) in the last 2 years

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Insider Transactions

Name Transaction Date Sold / Bought Shares Price Value
MCGINNIS KAREN KJun 11, 2026Sell6,050$8.01$48,000
Valentine KeithMay 11, 2026Buy35,000$7$250,000
Valentine KeithMay 8, 2026Buy43,847$7.54$330,000
Valentine KeithMay 7, 2026Buy56,153$7.49$420,000
Lish ScottMar 13, 2026Sell260,535$12.3$3.2M
Koning John ToddMar 13, 2026Sell79,789$12.36$990,000
Sponsel DavidMar 11, 2026Sell163,452$12.52$2M
Hunsaker Craig EMar 9, 2026Sell82,765$12.45$1M
Hunsaker Craig EMar 6, 2026Sell33,602$12.22$410,000
Marshall Tyson EliotMar 5, 2026Sell88,835$12.49$1.1M
Sponsel DavidFeb 5, 2026Sell60,425$13.79$830,000
Hunsaker Craig EFeb 3, 2026Sell37,358$14.71$550,000
Miles PatrickJan 5, 2026Sell100,000$21.01$2.1M
Pelizzon David RDec 16, 2025Sell250,000$19.66$4.9M
Lish ScottDec 16, 2025Sell19,900$19.64$390,000
Demski David MDec 11, 2025Sell30,000$21.2$640,000
Sponsel DavidDec 10, 2025Sell21,106$20.79$440,000
Hunsaker Craig EDec 10, 2025Sell32,584$20.84$680,000
Squadron Capital LLCDec 9, 2025Sell28,834$21.03$610,000
Pelizzon David RDec 9, 2025Sell28,834$21.03$610,000
Squadron Capital Holdings LLCDec 9, 2025Sell28,834$21.03$610,000
Pritzker Jennifer N.Dec 9, 2025Sell28,834$21.03$610,000
Squadron Capital LLCDec 8, 2025Sell221,166$21.2$4.7M
Pelizzon David RDec 8, 2025Sell221,166$21.2$4.7M
Squadron Capital Holdings LLCDec 8, 2025Sell221,166$21.2$4.7M
Pritzker Jennifer N.Dec 8, 2025Sell221,166$21.2$4.7M
Sponsel DavidDec 8, 2025Sell988$21.45$21,000
Lish ScottDec 5, 2025Sell10,875$21.47$230,000
Marshall Tyson EliotDec 5, 2025Sell12,965$21.47$280,000
Marshall Tyson EliotDec 5, 2025Sell9,924$21.48$210,000
Miles PatrickDec 1, 2025Sell100,000$22.11$2.2M
Squadron Capital LLCNov 24, 2025Sell250,000$20.62$5.2M
Pelizzon David RNov 24, 2025Sell250,000$20.62$5.2M
Pritzker Jennifer N.Nov 24, 2025Sell250,000$20.62$5.2M
Squadron Capital Holdings LLCNov 24, 2025Sell250,000$20.62$5.2M
Lish ScottNov 20, 2025Sell25,000$19.8$500,000
Marshall Tyson EliotNov 20, 2025Sell70,000$19.51$1.4M
Squadron Capital LLCNov 12, 2025Sell250,000$20.8$5.2M
Pelizzon David RNov 12, 2025Sell250,000$20.8$5.2M
Squadron Capital Holdings LLCNov 12, 2025Sell250,000$20.8$5.2M
Pritzker Jennifer N.Nov 12, 2025Sell250,000$20.8$5.2M
Rydin Jeffrey PNov 3, 2025Sell200,000$19.32$3.9M
Miles PatrickNov 3, 2025Sell100,000$18.96$1.9M
Hunsaker Craig EOct 31, 2025Sell100,000$19.95$2M
Sponsel DavidOct 24, 2025Sell70,000$16.18$1.1M
Miles PatrickOct 1, 2025Sell100,000$13.96$1.4M
Sponsel DavidSep 19, 2025Sell2,555$15.34$39,000
Sponsel DavidSep 18, 2025Sell137,445$15.09$2.1M
Berkowitz Mortimer IIISep 9, 2025Sell62,500$15.97$1,000,000
Miles PatrickSep 2, 2025Sell300,000$15.73$4.7M
Lish ScottAug 21, 2025Sell6,323$16.01$100,000
Lish ScottAug 13, 2025Sell9,302$16$150,000
Hunsaker Craig EAug 6, 2025Sell10,876$15.33$170,000
Hunsaker Craig EAug 5, 2025Sell50,000$15$750,000
Lish ScottAug 5, 2025Sell16,666$15$250,000
Marshall Tyson EliotAug 5, 2025Sell9,924$14.86$150,000
Marshall Tyson EliotAug 5, 2025Sell8,168$14.96$120,000
Lish ScottAug 4, 2025Sell17,857$14$250,000
Lish ScottAug 1, 2025Sell36,081$12.53$450,000
Marshall Tyson EliotAug 1, 2025Sell12,878$12$150,000
Marshall Tyson EliotJul 10, 2025Sell1,500$12$18,000
Lish ScottJul 10, 2025Sell3,982$12$48,000
Lish ScottJun 13, 2025Sell22,727$11.07$250,000
MCGINNIS KAREN KJun 11, 2025Sell3,963$12.11$48,000
Hunsaker Craig EJun 5, 2025Sell13,878$12.36$170,000
Hunsaker Craig EJun 4, 2025Sell186,122$12.34$2.3M
Lish ScottMay 19, 2025Sell55,375$13$720,000
Lish ScottMay 5, 2025Sell12,000$12.12$150,000
Koning John ToddApr 22, 2025Sell37,500$10.71$400,000
Koning John ToddMar 10, 2025Sell165,121$9.72$1.6M
Lish ScottMar 10, 2025Sell27,994$9.72$270,000
Miles PatrickMar 7, 2025Sell12,691$10.64$140,000
Sponsel DavidMar 6, 2025Sell33,732$10.83$370,000
MCGINNIS KAREN KMar 3, 2025Sell38,320$12.26$470,000
Lish ScottFeb 27, 2025Sell23,183$12.03$280,000
Miles PatrickFeb 26, 2025Sell32,393$10.89$350,000
Sponsel DavidFeb 25, 2025Sell19,419$10.41$200,000
Sponsel DavidFeb 24, 2025Sell12,946$10.73$140,000
Lish ScottFeb 6, 2025Sell27,453$11.49$320,000
Miles PatrickFeb 5, 2025Sell43,459$11.95$520,000
Sponsel DavidFeb 3, 2025Sell36,256$11.42$410,000
Miles PatrickJan 30, 2025Sell43,313$12.03$520,000
Miles PatrickJan 29, 2025Sell50,000$12.03$600,000
Miles PatrickJan 21, 2025Sell6,687$12$80,000
Sponsel DavidJan 13, 2025Sell58,283$10.71$620,000
Sponsel DavidJan 10, 2025Sell238$10$2,400
Sponsel DavidDec 11, 2024Sell62,018$9.69$600,000
Miles PatrickNov 21, 2024Sell50,000$10.09$500,000
Bakst EvanAug 23, 2024Buy35,000$5.76$200,000
Pelizzon David RAug 23, 2024Buy16,978$5.89$100,000
Pelizzon David RAug 22, 2024Buy8,818$5.67$50,000
Demski David MAug 21, 2024Buy50,000$5.67$280,000
Demski David MAug 2, 2024Buy40,000$6.56$260,000
Valentine KeithAug 2, 2024Buy39,000$6.55$260,000

FAQ - Insider Transactions

The most recent insider transaction for Alphatec Holdings was conducted by MCGINNIS KAREN K, who sold 6,050 shares on June 11, 2026 at a price of $8.01 per share.

Valentine Keith has bought the most ATEC stock in the last 2 years, with a total value of $1.3M.

Pelizzon David R has sold the most ATEC stock in the last 2 years, with a total value of $21M.

The total value of insider transactions for Alphatec Holdings in the last 2 years is negative, amounting to -$117M. This suggests that insiders have predominantly sold shares, which could reflect various personal or financial considerations rather than a straightforward outlook on the company's future performance.

Over the last 2 years, insider transactions for Alphatec Holdings have largely consisted of selling shares, which could suggest various personal or financial motivations among insiders. The higher number of sales might require investors to investigate further, considering insiders might have insights or reasons not immediately apparent to the public.

Monitoring insider trading activity is important because it provides insights into the confidence levels of a company's insiders, such as executives and directors, regarding the company's future prospects. Insider buying can signal optimism, suggesting the stock may be undervalued, while insider selling might raise questions about the stock's upcoming performance. However, it's essential to consider that sales can also occur for personal financial reasons. Insider trading activity is a valuable indicator that, when combined with other data, can help inform investment decisions.

The analytics provided are estimates and not a substitute for professional advice. All investments involve risks, including possible capital loss.

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Disclaimer: AI outputs may be incorrect. This is for informational purposes only and not a substitute for professional financial advice.