MarketPeel
Insider Trading Intelligence
Pricing
…
GENERAL COUNSEL & CORP. SEC.
Tyson Eliot Marshall
Wed, Feb 25, 2026
Feb 25
bought
$0.00
of
ATEC
12,840
shares @ $0.00
Increased holdings by
+2.00%
29th largest trade (out of 30)
Trade made by an officer
Price 9% below 200-day moving average
ATEC
Alphatec Holdings, Inc.
Healthcare
Medical Devices
1D
+1.47%
1W
+0.42%
1M
+16.93%
3M
+17.50%
6M
—
1Y
—
Recent insider activity at ATEC
Aug 5
Tyson Eliot Marshall
Sold
$78.82k
Jun 11
Karen K. Mcginnis
Sold
$48.46k
May 11
Keith Valentine
Bought
$245.00k
May 8
Keith Valentine
Bought
$330.61k
May 7
Keith Valentine
Bought
$420.59k
Mar 13
John Todd Koning
Sold
$986.19k
Mar 13
Scott Lish
Sold
$3.20m
Mar 11
David Sponsel
Sold
$2.05m
Full ATEC profile →
Tyson Eliot Marshall’s trading history →
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