← Insider buys
ATEC

Alphatec Holdings, Inc. · Healthcare

GC, CORP. SEC. Tyson Eliot Marshall sold $492K of Alphatec Holdings, Inc.

Sold$491,526
$21.47Price
22,889Shares
−6%Stake

What ATEC did after the filing

Filed Dec 9Copier in Dec 10
The stock from Wed, Dec 10 open, $20.72
−24.3%
S&P 500, same days
+2.3%

Measured over 30 trading days, to the Jan 26 close.

Traded Fri, Dec 5. Filed Tue, Dec 9, 7:00 PM ET, after the close. Returns use the Dec 10 open and the Jan 26 close. Not investment advice.