Chapman Rowan E Insider Trading Activity

Corporate InsiderDirector · CIK 1786240

Total trades

$1.5M

Total volume

Mar 13, 2026

Last activity

NTRA

Natera, Inc.

Chapman Rowan E has been net-selling over the last 12 months with 0 purchases and 4 sales across 1 company.

NTRA is the most-traded position with 4 trades. The largest single transaction was a sale of NTRA for $972K on Dec 5, 2025.

Performance Scorecard

Forward stock performance after each transaction by Chapman Rowan E. 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	—	+0.4%	75%	4
90 days	—	-4.7%	50%	4
120 days	—	-12.8%	50%	4

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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NTRA · Natera, Inc.

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Recent Trades

DATE	TICKER	TYPE	SHARES	PRICE	VALUE	Δ OWNED	ROLE
Mar 13, 2026	NTRA	Sell	122	$191.38	$23K	−2.1%	Director
Dec 5, 2025	NTRA	Sell	4,000	$243.08	$972K	−39.4%	Director
Dec 5, 2025	NTRA	Sell	366	$243.39	$89K	−6.0%	Director
Aug 28, 2025 Filed 3d late	NTRA	Sell	2,750	$166.99	$459K	−31.4%	Director