Bell Michael Brian Insider Trading Activity

Corporate InsiderCFO · CIK 1702824

Total trades

$8.5M

Total volume

Mar 16, 2026

Last activity

Guardant Health, Inc.

Bell Michael Brian has been net-selling over the last 12 months with 0 purchases and 13 sales across 1 company.

GH is the most-traded position with 13 trades. The largest single transaction was a sale of GH for $2.3M on Dec 5, 2025.

Performance Scorecard

Forward stock performance after each transaction by Bell Michael Brian. 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	—	+2.0%	85%	13
90 days	—	+6.3%	92%	13
120 days	—	+6.2%	92%	13

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

Price & Trades

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GH · Guardant Health, Inc.

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Recent Trades

DATE	TICKER	TYPE	SHARES	PRICE	VALUE	Δ OWNED	ROLE
Mar 16, 2026	GH	Sell	3,000	$87.04	$261K	−6.4%	CFO
Dec 5, 2025	GH	Sell	8,033	$101.42	$815K	−7.4%	CFO
Dec 5, 2025	GH	Sell	22,891	$102.11	$2.3M	−22.8%	CFO
Dec 5, 2025	GH	Sell	7,567	$103.26	$781K	−9.8%	CFO
Dec 5, 2025	GH	Sell	11,978	$103.96	$1.2M	−17.1%	CFO
Dec 5, 2025	GH	Sell	250	$105.82	$26K	−0.4%	CFO
Dec 5, 2025	GH	Sell	5,568	$106.68	$594K	−9.7%	CFO
Dec 5, 2025	GH	Sell	3,267	$101.46	$331K	−6.3%	CFO
Dec 5, 2025	GH	Sell	8,774	$102.11	$896K	−18.0%	CFO
Dec 5, 2025	GH	Sell	2,533	$103.24	$262K	−6.3%	CFO
Dec 5, 2025	GH	Sell	5,027	$103.96	$523K	−13.4%	CFO
Dec 5, 2025	GH	Sell	3,284	$106.70	$350K	−10.1%	CFO
Dec 5, 2025	GH	Sell	1,190	$107.26	$128K	−4.1%	CFO