Kiniksa Pharmaceuticals Ownership & Insider Activity

Kiniksa Pharmaceuticals (KNSA) institutional and insider ownership, recent insider transactions and ownership breakdown.

Insiders own 1.0% of shares outstanding. Institutional investors hold 34.5%. Over the past 90 days, insiders made 1 sale worth $299K.

Shares Outstanding

78.024M

Shares Float

39.984M

Insider Shares Owned

753.993K

Insider % Owned

1.0%

Institutional Shares Held

26.907M

Institutional % Held

34.5%

Ownership Breakdown

Net Insider Activity by Month

Purchases (90d)

Sales (90d)

$299K total

Net Activity

Net Selling

Net Value (90d)

-$299K

Kiniksa Pharmaceuticals Insider Transactions (Last 6 Months)

Date	Insider	Title	Type	Shares	Price	Value
Jul 29, 2026	Bradley Cole	—	SELL	8.173K	$81.43	$299K
Jul 15, 2026	Michael Megna	CHIEF ACCOUNTING OFFICER	SELL-OPTIONS	1.644K	$56.62	$799K
May 1, 2026	John Paolini	CHIEF MEDICAL OFFICER	SELL-OPTIONS	—	$32.03	$2.5M
May 1, 2026	Sanj Patel	CHAIRMAN & CEO	SELL-OPTIONS	—	$42.48	$1.1M
Apr 28, 2026	Sanj Patel	CHAIRMAN & CEO	SELL-OPTIONS	—	$32.71	$19.6M
Apr 28, 2026	Barry Quart	—	SELL-OPTIONS	—	$32.22	$469K