Pelizzon David R Insider Trading Activity

Corporate InsiderDirector · CIK 1719217

Total trades

$20.6M

Total volume

Dec 16, 2025

Last activity

ATEC

Alphatec Holdings, Inc.

Pelizzon David R has been net-selling over the last 12 months with 0 purchases and 5 sales across 1 company.

ATEC is the most-traded position with 5 trades. The largest single transaction was a sale of ATEC for $5.2M on Nov 12, 2025.

Performance Scorecard

Forward stock performance after each transaction by Pelizzon David R. Buy returns measure price movement after open-market purchases; sell-avoided measures the loss avoided after open-market sales. Success rate counts trades where the insider's direction was right.

PERIOD	AVG BUY RETURN	AVG SELL AVOIDED	SUCCESS RATE	TRADES
30 days	—	+0.6%	40%	5
90 days	—	+36.7%	100%	5
120 days	—	+43.5%	100%	5

Performance based on stock price movement after each transaction date. Past results do not predict future returns. Not financial advice.

Price & Trades

Pro: Trade Markers

ATEC · Alphatec Holdings, Inc.

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Recent Trades

DATE	TICKER	TYPE	SHARES	PRICE	VALUE	ROLE
Dec 16, 2025	ATEC	Sell	250,000	$19.66	$4.9M	Director
Dec 9, 2025	ATEC	Sell	28,834	$21.03	$606K	Director
Dec 8, 2025	ATEC	Sell	221,166	$21.20	$4.7M	Director
Nov 24, 2025	ATEC	Sell	250,000	$20.62	$5.2M	Director
Nov 12, 2025	ATEC	Sell	250,000	$20.80	$5.2M	Director