Tyson Eliot Marshall

ATEC

Tyson Eliot Marshall serves as officer: GENERAL COUNSEL & CORP. SEC. at Alphatec Holdings, Inc. (ATEC). This page tracks their complete SEC Form 4 insider trading history including stock purchases and sales.

Total Buys

0 trades

$0.00

Total Sells

10 trades

$4.63M

Net Position

Net Seller

$4.63M

Companies Traded

ATEC

Active Period

Mar 2024 – Aug 2026

10 total trades

Most Recent

Sell ATEC

Aug 7, 2026 · $78.8K

Tyson Eliot Marshall's Insider Trading at Alphatec Holdings, Inc. (ATEC)

Buys

0 · $0.00

Sells

10 · $4.63M

Total Shares Bought

Total Shares Sold

321,449

ATEC Price Chart

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Date	Type	Shares	Avg Price	Value	Shares After
Aug 7, 2026	Sell	8,168	$9.65	$78.8K	630,398
Mar 9, 2026	Sell	88,835	$12.49	$1.11M	559,459
Dec 5, 2025	Sell	22,889	$21.47	$491.5K	0
Nov 20, 2025	Sell	70,000	$19.51	$1.37M	0
Aug 1, 2025	Sell	30,970	$13.70	$424.2K	0
Jul 10, 2025	Sell	1,500	$12.00	$18.0K	0
Mar 6, 2025	Sell	27,805	$11.44	$318.1K	0
Jun 12, 2024	Sell	50,232	$10.88	$546.5K	0
Mar 6, 2024	Sell	9,225	$13.16	$121.4K	0
Mar 1, 2024	Sell	11,825	$13.30	$157.3K	0