Myrtle S Potter Insider Trading Activity

Corporate InsiderDirector · CIK 1214130

Total trades

$138K

Total volume

Oct 17, 2025

Last activity

Guardant Health, Inc.

Myrtle S Potter has been net-selling over the last 12 months with 0 purchases and 3 sales across 1 company.

GH is the most-traded position with 3 trades. The largest single transaction was a sale of GH for $2K on Oct 17, 2025.

Performance Scorecard

Forward stock performance after each transaction by Myrtle S Potter. 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	—	-12.5%	50%	6
90 days	—	-44.3%	0%	6
120 days	—	-64.1%	0%	6

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
Oct 17, 2025	GH	Sell	26	$66.95	$2K	−0.1%	Director
Sep 17, 2025	GH	Sell	26	$55.63	$1K	−0.1%	Director
Aug 19, 2025	GH	Sell	26	$59.02	$2K	−0.1%	Director
Jul 17, 2025	GH	Sell	26	$48.20	$1K	−0.1%	Director
Jun 18, 2025	GH	Sell	26	$49.47	$1K	−0.1%	Director
Jun 16, 2025	GH	Sell	2,626	$49.70	$131K	−12.6%	Director