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Insider Trading

Mortimer Iii Berkowitz Net Worth

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Last Updated: 3 days, 1 hour ago

Mortimer Iii Berkowitz has an estimated net worth of at least $20.2 million*, as of Sept. 10, 2025. They own 1.2 million shares of ATEC stock. They have sold 62,500 shares of ATEC stock since 2021, for an estimated $-115,200.

Mortimer Iii Berkowitz $ATEC SEC Form 4 Insider Trading

Mortimer Iii Berkowitz has filed a total of 2 insider trades in $ATEC since 2021. Their most recent trade was a sale of 62,500 shares, made on Sep 09, 2025. Their largest trade was a sale of 62,500 shares, made on Sep 09, 2025. We estimate that they now own 1.2 million shares of $ATEC, worth an estimated $20.3 million.



Insider Trading at $ATEC

There have been a total of 194 insider trades reported at $ATEC since 2021, with 766,743 shares purchased and 6.9 million shares sold. The most active insider traders in $ATEC stock have been Patrick Miles, David Sponsel, and Scott Lish. The most recent trade was a sale of 62,500 shares reported by Mortimer III Berkowitz (None), made on Sep 09, 2025.



History of Insider Stock Trades by Mortimer Iii Berkowitz

Company Ticker Purchase / Sale Shares Date Disclosed (EST)
ATEC logo ATEC Sale 62,500 Sep 09, 2025 Sept. 11, 2025, 7:30 p.m.
ATEC logo ATEC Purchase 16,000 Jun 09, 2022 June 13, 2022, 11:59 a.m.




$ATEC Executives and Stock Owners with Insider Trades



*This is only based off of information found in SEC filings, and may not reflect actual net worth. There may also be inaccuracies due to privately holdings filing errors, parsing errors, accidental double-counting of shares, incorrect classification of indirectly owned shares, sales prior to dataset start date, or any other number of issues.