David R Pelizzon

ATEC

David R Pelizzon serves as Director at Alphatec Holdings, Inc. (ATEC). This page tracks their complete SEC Form 4 insider trading history including stock purchases and sales.

Total Buys

7 trades

$92.22M

Total Sells

4 trades

$20.57M

Net Position

Net Buyer

$71.66M

Companies Traded

ATEC

Active Period

Mar 2021 – Dec 2025

11 total trades

Most Recent

Sell ATEC

Dec 16, 2025 · $4.92M

David R Pelizzon's Insider Trading at Alphatec Holdings, Inc. (ATEC)

Buys

7 · $92.22M

Sells

4 · $20.57M

Total Shares Bought

8,264,195

Total Shares Sold

1,000,000

ATEC Price Chart

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Date	Type	Shares	Avg Price	Value
Dec 16, 2025↗	Sell	250,000	$19.66	$4.92M
Dec 8, 2025↗	Sell	250,000	$21.18	$5.30M
Nov 24, 2025↗	Sell	250,000	$20.62	$5.16M
Nov 12, 2025↗	Sell	250,000	$20.80	$5.20M
Aug 22, 2024↗	Buy	25,796	$5.81	$150.0K
Mar 13, 2023↗	Buy	3,100	$15.24	$47.2K
Nov 11, 2021↗	Buy	4,366	$11.41	$49.8K
Nov 8, 2021↗	Buy	5,425	$13.00	$70.5K
May 10, 2021↗	Buy	120,000	$15.25	$1.83M
Mar 8, 2021↗	Buy	4,698	$15.56	$73.1K
Mar 1, 2021↗	Buy	8,100,810	$11.11	$90.00M