David M Demski is of Alphatec Holdings, Inc.. Currently has a direct ownership of 414,492 shares of ATEC, which is worth approximately $3.83 Million. The most recent transaction as insider was on Dec 18, 2024, when has been sold 126,051 shares (Common Stock) at a price of $0.0 per share, resulting in proceeds of $0. This information was disclosed in a Form 4 filing with the Securities and Exchange Commission (SEC).

Shares Held (Direct Ownership) 414K
43.7% 3M change
128.13% 12M change
Total Value Held $3.83 Million

David M Demski Transaction History

Date Transaction Value Shares Traded Shares Held Form
Dec 18 2024
BUY
Grant, award, or other acquisition
-
126,051 Added 23.32%
414,492 Common Stock
Aug 21 2024
BUY
Open market or private purchase
$283,500 $5.67 p/Share
50,000 Added 14.77%
288,441 Common Stock
Aug 02 2024
BUY
Open market or private purchase
$262,400 $6.56 p/Share
40,000 Added 14.37%
238,441 Common Stock
Jun 12 2024
BUY
Grant, award, or other acquisition
-
16,747 Added 7.78%
198,441 Common Stock
Nov 09 2023
BUY
Open market or private purchase
$315,000 $10.5 p/Share
30,000 Added 14.17%
181,694 Common Stock
Oct 17 2023
BUY
Grant, award, or other acquisition
-
31,694 Added 17.28%
151,694 Common Stock

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David M Demski

Irvine, CA

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