Quart Barry D Insider Trading Activity

Corporate InsiderDirector · CIK 1384243

Total trades

$3.5M

Total volume

Apr 28, 2026

Last activity

KNSA

Kiniksa Pharmaceuticals International, plc

Quart Barry D has been net-selling over the last 12 months with 0 purchases and 8 sales across 1 company.

KNSA is the most-traded position with 8 trades. The largest single transaction was a sale of KNSA for $836K on Dec 15, 2025.

Performance Scorecard

Forward stock performance after each transaction by Quart Barry D. 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	—	-1.0%	36%	11
90 days	—	-24.3%	0%	10
120 days	—	-15.0%	0%	9

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

KNSA · Kiniksa Pharmaceuticals International, plc

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Recent Trades

DATE	TICKER	TYPE	SHARES	PRICE	VALUE	Δ OWNED	ROLE
Apr 28, 2026	KNSA	Sell	13,099	$50.10	$656K	−51.1%	Director
Apr 6, 2026	KNSA	Sell	6,901	$50.00	$345K	−35.5%	Director
Feb 12, 2026	KNSA	Sell	2,690	$45.00	$121K	−17.7%	Director
Feb 10, 2026	KNSA	Sell	110	$45.00	$5K	−0.9%	Director
Feb 4, 2026	KNSA	Sell	2,602	$45.02	$117K	−17.2%	Director
Feb 3, 2026	KNSA	Sell	12,528	$45.27	$567K	−50.0%	Director
Feb 2, 2026	KNSA	Sell	830	$45.00	$37K	−6.2%	Director
Dec 15, 2025	KNSA	Sell	20,129	$41.51	$836K	−61.6%	Director
Jun 11, 2025	KNSA	Sell	12,336	$30.39	$375K	−49.6%	Director
Jun 10, 2025	KNSA	Sell	8,212	$30.36	$249K	−39.6%	Director
Jun 9, 2025	KNSA	Sell	6,900	$30.26	$209K	−35.5%	Director