AtriCure Ownership & Insider Activity

AtriCure (ATRC) institutional and insider ownership, recent insider transactions and ownership breakdown.

Insiders own 7.4% of shares outstanding. Institutional investors hold 70.5%. Over the past 90 days, insiders made 8 sales worth $2.1M.

Shares Outstanding

50.866M

Shares Float

48.863M

Insider Shares Owned

3.766M

Insider % Owned

7.4%

Institutional Shares Held

35.843M

Institutional % Held

70.5%

Ownership Breakdown

Net Insider Activity by Month

Purchases (90d)

Sales (90d)

$2.1M total

Net Activity

Net Selling

Net Value (90d)

-$2.1M

AtriCure Insider Transactions (Last 6 Months)

Date	Insider	Title	Type	Shares	Price	Value
Sep 11, 2026	Regina E Groves	DIRECTOR	SELL	5.313K	$54.22	$288K
Sep 8, 2026	Salvatore Privitera	CHIEF TECHNICAL OFFICER	SELL	3.657K	$55.00	$201K
Sep 2, 2026	Salvatore Privitera	CHIEF TECHNICAL OFFICER	SELL	7.763K	$52.50	$408K
Aug 24, 2026	Karl S Dahlquist	CHIEF LEGAL OFFICER	SELL	9.370K	$48.89	$458K
Aug 5, 2026	Karen Prange	DIRECTOR	SELL	3.564K	$38.80	$138K
Aug 5, 2026	Maggie Yuen	DIRECTOR	SELL	3.500K	$38.42	$134K
Jul 29, 2026	Justin J Noznesky	CHIEF MKTG & STRATEGY OFFICER	SELL	6.182K	$38.80	$240K
Jul 28, 2026	Vinayak Doraiswamy	CHIEF SCIENTIFIC OFFICER	SELL	6.000K	$38.88	$233K
Jul 28, 2026	Sven Wehrwein	DIRECTOR	SELL-OPTIONS	—	$28.90	$447K
May 20, 2026	Karen Prange	DIRECTOR	SELL	3.000K	$28.65	$86K
May 15, 2026	Vinayak Doraiswamy	CHIEF SCIENTIFIC OFFICER	SELL	5.000K	$28.13	$141K

Date	Member	Party	Chamber	Action	Amount
Aug 20, 2026	Gilbert Ray Cisneros	D	House	Purchase	$1,001 - $15,000
Mar 3, 2026	Gilbert Ray Cisneros	D	House	Purchase	$1,001 - $15,000
May 6, 2025	Gilbert Ray Cisneros	D	House	Purchase	$1,001 - $15,000
Jul 19, 2024	Josh Gottheimer	D	House	Purchase	$1,001 - $15,000
Jun 18, 2024	Josh Gottheimer	D	House	Sale	$1,001 - $15,000