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Mortimer Berkowitz III currently holds 618,050 shares of Alphatec Holdings, Inc. (ATEC), valued at approximately $0. This represents their equity stake as Executive.
Based on SEC Form 4 filings, Mortimer Berkowitz III has been a net seller of ATEC stock. They have purchased $19.7M and sold $45.0M worth of shares.
Mortimer Berkowitz III's most recent insider trade was on Sep 9, 2025, when they sold 62,500 shares at $15.97 per share.
Mortimer Berkowitz III serves as Executive at Alphatec Holdings, Inc. (ATEC). They have executed 38 insider transactions totaling $64.7M over their tenure at the company.
Mortimer Berkowitz III holds the position of Executive at Alphatec Holdings, Inc., where they are responsible for executive-level decision-making and strategic oversight. They have been associated with the company for 20 years and currently hold a stake valued at $0.
Mortimer Berkowitz III has shown a selling trading pattern, with $19.7M in total purchases and $45.0M in total sales across all transactions. Their most recent activity indicates a tendency to reduce their position.
The largest transaction by Mortimer Berkowitz III was on Apr 21, 2010, when they sold $43.7M worth of ATEC shares. This transaction involved 9,200,000 shares at $4.75 per share.
Mortimer Berkowitz III currently owns 618,050 shares of Alphatec Holdings, Inc. (ATEC), with an estimated value of $0. This stake represents their equity holdings accumulated through purchases, awards, and option exercises.
All of Mortimer Berkowitz III's SEC Form 4 insider trading filings are tracked on this page. Each transaction links directly to the official SEC EDGAR filing. Mortimer Berkowitz III has 38 Form 4 filings on record as an insider at Alphatec Holdings, Inc..
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