Chad M Robins Insider Trading Activity

Corporate InsiderCEO · CIK 1780649

Total trades

$24.9M

Total volume

Apr 8, 2026

Last activity

ADPT

Adaptive Biotechnologies Corp

Chad M Robins has been net-selling over the last 12 months with 0 purchases and 15 sales across 1 company.

ADPT is the most-traded position with 15 trades. The largest single transaction was a sale of ADPT for $4.6M on Mar 2, 2026.

Performance Scorecard

Forward stock performance after each transaction by Chad M Robins. 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	—	+4.6%	67%	15
90 days	—	+4.1%	55%	11
120 days	—	+14.5%	100%	7

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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ADPT · Adaptive Biotechnologies Corp

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Recent Trades

DATE	TICKER	TYPE	SHARES	PRICE	VALUE	ROLE
Apr 8, 2026	ADPT	Sell	37,263	$15.19	$566K	CEO
Apr 6, 2026	ADPT	Sell	83,332	$14.41	$1.2M	CEO
Mar 11, 2026	ADPT	Sell	140,567	$13.17	$1.9M	CEO
Mar 11, 2026	ADPT	Sell	329,600	$13.17	$4.3M	CEO
Mar 3, 2026	ADPT	Sell	2,380	$16.15	$38K	CEO
Mar 3, 2026	ADPT	Sell	50,703	$15.49	$785K	CEO
Mar 2, 2026	ADPT	Sell	289,024	$15.82	$4.6M	CEO
Feb 27, 2026	ADPT	Sell	182,891	$15.99	$2.9M	CEO
Feb 2, 2026	ADPT	Sell	124,998	$18.44	$2.3M	CEO
Jan 5, 2026	ADPT	Sell	124,998	$15.59	$1.9M	CEO
Dec 1, 2025	ADPT	Sell	124,998	$18.94	$2.4M	CEO
Nov 26, 2025	ADPT	Sell	35,736	$19.68	$703K	CEO
Nov 12, 2025	ADPT	Sell	1,867	$15.00	$28K	CEO
Nov 11, 2025	ADPT	Sell	1,237	$14.57	$18K	CEO
Nov 10, 2025	ADPT	Sell	86,161	$14.73	$1.3M	CEO