Mortimer Berkowitz Iii Alphatec Holdings, Inc. (ATEC) insider trading activity

Mortimer Berkowitz Iii is of Alphatec Holdings, Inc.. Currently has a direct ownership of 618,050 shares of ATEC, which is worth approximately $9.58 Million. The most recent transaction as insider was on Sep 09, 2025, when has been sold 62,500 shares (Common Stock) at a price of $15.97 per share, resulting in proceeds of $998,125. This information was disclosed in a Form 4 filing with the Securities and Exchange Commission (SEC).

Shares Held (Direct Ownership) 618K

9.18% 3M change

7.12% 12M change

Total Value Held $9.58 Million

Mortimer Berkowitz III Transaction History

Date	Transaction	Value	Shares Traded	Shares Held
Sep 09 2025	SELL Open market or private sale	$998,125 $15.97 p/Share	62,500 Reduced 9.18%	618,050 Common Stock
Jun 11 2025	BUY Grant, award, or other acquisition	-	15,131 Added 2.17%	680,550 Common Stock
Jun 12 2024	BUY Grant, award, or other acquisition	-	16,747 Added 2.45%	665,419 Common Stock
Jun 20 2023	BUY Grant, award, or other acquisition	-	9,908 Added 1.5%	648,672 Common Stock
May 12 2023	SELL Payment of exercise price or tax liability	$377,771 $15.55 p/Share	24,294 Reduced 3.66%	638,764 Common Stock
May 12 2023	BUY Exercise of conversion of derivative security	$377,779 $3.5 p/Share	107,937 Added 14.0%	663,058 Common Stock
Jun 09 2022	BUY Open market or private purchase	$115,200 $7.2 p/Share	16,000 Added 2.8%	555,121 Common Stock
Jun 07 2022	BUY Exercise of conversion of derivative security	$400,000 $2.0 p/Share	200,000 Added 27.06%	539,121 Common Stock

MBI

Mortimer Berkowitz Iii

Carlsbad, CA

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