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Alphatec (ATEC) Insider Trading & Ownership

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$7.62 -0.14 (-1.74%)
As of 02:17 PM Eastern
This is a fair market value price provided by Massive. Learn more.

Alphatec (NASDAQ:ATEC) Insider Buying and Selling Activity

Current
Insider Ownership
Percentage
20.90%
Number Of
Insiders Buying
(Last 12 Months)
0
Number Of
Insiders Selling
(Last 12 Months)
12
Amount Of
Insider Selling
(Last 12 Months)
$94.32M
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ATEC Insider Buying and Selling by Quarter

Alphatec Insider and Congressional Trades History

Transaction DateInsiderBuy/SellNumber of SharesAverage Share PriceTotal TransactionDetails
3/13/2026Sell260,535$12.30$3,204,580.50  
3/11/2026Sell163,452$12.52$2,046,419.04  
3/9/2026Sell82,765$12.45$1,030,424.25  
3/6/2026Sell33,602$12.22$410,616.44  
3/5/2026
Tyson Eliot Marshall
Tyson Eliot Marshall
General Counsel
Sell88,835$12.49$1,109,549.15  
2/5/2026Sell60,425$13.79$833,260.75  
2/3/2026Sell37,358$14.71$549,536.18  
1/5/2026Sell100,000$21.01$2,101,000.00  
12/16/2025Sell250,000$19.66$4,915,000.00  
12/16/2025Sell19,900$19.64$390,836.00  
12/11/2025Sell30,000$21.20$636,000.00  
12/10/2025Sell32,584$20.84$679,050.56  
12/10/2025Sell21,106$20.79$438,793.74  
12/9/2025Sell28,834$21.03$606,379.02  
12/9/2025
Jennifer N Pritzker
Major Shareholder
Sell28,834$21.03$606,379.02  
12/9/2025
Squadron Capital Llc
Major Shareholder
Sell28,834$21.03$606,379.02  
12/8/2025Sell221,166$21.20$4,688,719.20  
12/8/2025Sell988$21.45$21,192.60  
12/8/2025
Jennifer N Pritzker
Major Shareholder
Sell221,166$21.20$4,688,719.20  
12/8/2025
Squadron Capital Llc
Major Shareholder
Sell221,166$21.20$4,688,719.20  
12/5/2025Sell10,875$21.47$233,486.25  
12/5/2025
Tyson Eliot Marshall
Tyson Eliot Marshall
General Counsel
Sell22,889$21.47$491,426.83  
12/1/2025Sell100,000$22.11$2,211,000.00  
11/24/2025Sell250,000$20.62$5,155,000.00  
11/24/2025
Jennifer N Pritzker
Major Shareholder
Sell250,000$20.62$5,155,000.00  
11/24/2025
Squadron Capital Llc
Major Shareholder
Sell250,000$20.62$5,155,000.00  
11/20/2025Sell25,000$19.80$495,000.00  
11/20/2025
Tyson Eliot Marshall
Tyson Eliot Marshall
General Counsel
Sell70,000$19.51$1,365,700.00  
11/12/2025Sell250,000$20.80$5,200,000.00  
11/12/2025
Jennifer N Pritzker
Major Shareholder
Sell250,000$20.80$5,200,000.00  
11/12/2025
Squadron Capital Llc
Major Shareholder
Sell250,000$20.80$5,200,000.00  
11/3/2025Sell200,000$19.32$3,864,000.00  
11/3/2025Sell100,000$18.96$1,896,000.00  
10/31/2025Sell100,000$19.95$1,995,000.00  
10/24/2025Sell70,000$16.18$1,132,600.00  
10/1/2025Sell100,000$13.96$1,396,000.00  
9/19/2025Sell2,555$15.34$39,193.70  
9/18/2025Sell137,445$15.09$2,074,045.05  
9/9/2025Sell62,500$15.97$998,125.00  
9/2/2025Sell300,000$15.73$4,719,000.00  
8/21/2025Sell6,323$16.01$101,231.23  
8/13/2025Sell9,302$16.00$148,832.00  
8/6/2025Sell10,876$15.33$166,729.08  
8/5/2025Sell50,000$15.00$750,000.00  
8/5/2025Sell16,666$15.00$249,990.00  
8/5/2025
Tyson Eliot Marshall
Tyson Eliot Marshall
General Counsel
Sell18,092$14.91$269,751.72  
8/4/2025Sell17,857$14.00$249,998.00  
8/1/2025Sell36,081$12.53$452,094.93  
8/1/2025
Tyson Eliot Marshall
Tyson Eliot Marshall
General Counsel
Sell12,878$12.00$154,536.00  
7/10/2025Sell3,982$12.00$47,784.00  
7/10/2025
Tyson Eliot Marshall
Tyson Eliot Marshall
General Counsel
Sell1,500$12.00$18,000.00  
6/13/2025Sell22,727$11.07$251,587.89  
6/11/2025
Karen K Mcginnis
Director
Sell3,963$12.11$47,991.93  
6/5/2025Sell13,878$12.36$171,532.08  
6/4/2025Sell186,122$12.34$2,296,745.48  
5/19/2025Sell55,375$13.00$719,875.00  
(Data available from 1/1/2013 forward)

ATEC Insider Trading Activity - Frequently Asked Questions

The list of insiders at Alphatec includes Craig E Hunsaker, David H Mowry, David M Demski, David R Pelizzon, David Sponsel, Elizabeth Ann Altman, Evan Bakst, Jeffrey P Rydin, Jennifer N Pritzker, John Todd Koning, Karen K Mcginnis, L-5 Healthcare Partners, Llc, Mortimer Berkowitz III, Patrick Miles, Paul Segal, Quentin S Blackford, Scott Lish, Squadron Capital Llc, and Tyson Eliot Marshall. Learn more on insiders at ATEC.

20.90% of Alphatec stock is owned by insiders. Learn more on ATEC's insider holdings.

The following insider purchased ATEC shares in the last 24 months: David M Demski ($283,500.00).

Insiders have purchased a total of 50,000 ATEC shares in the last 24 months for a total of $283,500.00 bought.

The following insiders have sold ATEC shares in the last 24 months: Craig E Hunsaker ($8,049,634.07), David M Demski ($636,000.00), David R Pelizzon ($20,565,098.22), David Sponsel ($8,130,367.47), Jeffrey P Rydin ($3,864,000.00), Jennifer N Pritzker ($15,650,098.22), Karen K Mcginnis ($47,991.93), Mortimer Berkowitz III ($998,125.00), Patrick Miles ($14,011,871.06), Scott Lish ($7,285,062.26), Squadron Capital Llc ($15,650,098.22), and Tyson Eliot Marshall ($3,955,487.86).

Insiders have sold a total of 5,597,989 Alphatec shares in the last 24 months for a total of $98,843,834.31 sold.



This page (NASDAQ:ATEC) was last updated on 5/8/2026 by MarketBeat.com Staff.
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