Insider filing · ATEC
Tyson Eliot Marshall
GENERAL COUNSEL & CORP. SEC.
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Alphatec Holdings, Inc.
ATEC · Healthcare · 65 filings in 24 months
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Tyson Eliot Marshall sold $1.1M of Alphatec (ATEC)
Executed Mar 5, disclosed Mar 9, 4 days later.
Value, as filed
$1.1M
88,835 sh × $12.49
Executed
Mar 5
the trade date, as filed
Disclosed
Mar 9
4 days after the trade
Return, 21 sessionsiFrom the disclosed entry session; derived
–
purchases only
Returns are measured on stock purchases only.
The filer
TMTyson Eliot Marshall (GENERAL COUNSEL & CORP. SEC.) filed 3 Form 4 reports in the trailing twelve months (0 purchases, 3 sales), most often in Alphatec Holdings, Inc. (ATEC). The largest single filing was $1.4M of ATEC (70,000 sh × $19.51, as filed), executed Nov 20 2025.
The name
ATECHealthcare · Alphatec Holdings, Inc., a medical technology company, designs, develops, and advances technologies for the surgical treatment of spinal di…
More Healthcare filings→ Insider filings, newest first→ View the original filing at www.sec.gov→Other filings by Tyson Eliot Marshall in ATEC
ATECSALE
Alphatec Holdings, Inc.
$492K22,889 sh across 2 lots
Exec Dec 5 2025
Filed Dec 9 2025 · 5:30 PM ET ATECSALE Alphatec Holdings, Inc. $1.4M
70,000 sh × $19.51
Exec Nov 20 2025
Filed Nov 21 2025 · 5:30 PM ET ATECSALE Alphatec Holdings, Inc. $424K
30,970 sh across 3 lots
Exec Aug 1 2025
Filed Aug 5 2025 · 5:30 PM ET