AtriCure, Inc. (ATRC) Insider Trading

Over the last 3 months, ATRC insiders made 0 open-market buys and 3 sales, a net sale of -$376K (SEC Form 4). Over the last 6 months, 187 institutions increased and 140 reduced their position (13F).

Insider Activity

Sentiment
0/100
Buys (3m)
0
Sells (3m)
3
Net (3m)
-$375.8K
Insider trades by month Buys Sells
May
Aug
Sep
Nov
Mar
May
Context3-month price -10%Institutions accumulating (13F)
DateInsiderTypeSharesPrice
May 22, 2026Prange KarendirectorSell3,000$28.65
May 20, 2026GROVES REGINA EdirectorGrant6,144
May 20, 2026Telman Deborah HdirectorGrant6,144
May 20, 2026Nachman ShlomodirectorGrant6,144
May 20, 2026WHITE ROBERT S.directorGrant6,144
May 20, 2026Yuen MaggiedirectorGrant6,144
May 20, 2026WEHRWEIN SVENdirectorGrant6,144
May 20, 2026JOHNSON B KRISTINEdirectorGrant6,144
May 20, 2026Prange KarendirectorGrant6,144
May 18, 2026Doraiswamy Vinayakofficer: Chief Scientific OfficerSell5,000$28.13
Mar 16, 2026Doraiswamy Vinayakofficer: Chief Scientific OfficerSell5,000$29.83
Mar 12, 2026WHITE ROBERT S.directorOption10,000$14.99
Jan 2, 2026Seith Douglas Jofficer: Chief Operating OfficerGrant257$27.37
Nov 26, 2025WEHRWEIN SVENdirectorOption5,033$19.95
Nov 26, 2025WEHRWEIN SVENdirectorSell4,967$38.00
Nov 26, 2025WEHRWEIN SVENdirectorSell5,033$37.32
Nov 26, 2025Noznesky Justin Jofficer: Chief Mktg & Strategy OfficerSell5,166$37.29
Nov 26, 2025WEHRWEIN SVENdirectorOption4,967$19.95
Nov 25, 2025Yuen MaggiedirectorSell3,000$35.72
Sep 16, 2025Noznesky Justin Jofficer: Chief Mktg & Strategy OfficerSell3,000$36.30
Aug 26, 2025WEHRWEIN SVENdirectorSell5,000$37.00
Aug 26, 2025WEHRWEIN SVENdirectorOption5,000$19.95
Aug 21, 2025WEHRWEIN SVENdirectorSell5,000$36.00
Aug 21, 2025WEHRWEIN SVENdirectorOption5,000$19.95
Aug 8, 2025GROVES REGINA EdirectorSell2,452$36.82
Aug 7, 2025Doraiswamy Vinayakofficer: Chief Scientific OfficerSell2,500$36.58
Jul 2, 2025Privitera Salvatoreofficer: Chief Technical OfficerGrant822$25.84
Jul 2, 2025Doraiswamy Vinayakofficer: Chief Scientific OfficerGrant822$25.84
Jul 2, 2025Seith Douglas Jofficer: Chief Operating OfficerGrant550$25.84
Jul 2, 2025Dahlquist Karl S.officer: Chief Legal OfficerGrant822$25.84

Source: ATRC SEC Form 4 filings, latest May 22, 2026. For informational purposes only — not investment advice.

Institutional activity (13F)

How institutions changed their ATRC positions over the last 6 months (SEC Form 13F).

Increased
187
New positions
63
Reduced
140
Sold out
60
Largest moves
InstitutionActionSharesFiled
VANGUARD GROUP INCIncreased4.9MJan 29, 2026
BLACKROCK, INC.Increased4.1MFeb 12, 2026
BLACKROCK, INC.Reduced4.0MMay 13, 2026
WELLINGTON MANAGEMENT GROUP LLPReduced3.9MFeb 17, 2026
ALLIANCEBERNSTEIN L.P.Increased3.6MFeb 17, 2026
WELLINGTON MANAGEMENT GROUP LLPReduced3.4MMay 15, 2026
ALLIANCEBERNSTEIN L.P.Reduced3.3MMay 15, 2026
HOOD RIVER CAPITAL MANAGEMENT LLCIncreased3.1MMay 15, 2026
HOOD RIVER CAPITAL MANAGEMENT LLCIncreased3.1MFeb 17, 2026
VANGUARD PORTFOLIO MANAGEMENT LLCNew Position2.7MMay 8, 2026
VANGUARD CAPITAL MANAGEMENT LLCNew Position2.2MMay 15, 2026
MACQUARIE MANAGEMENT HOLDINGS, INC.New Position2.0MFeb 17, 2026
MACQUARIE MANAGEMENT HOLDINGS, INC.Reduced1.8MMay 15, 2026
GOLDMAN SACHS GROUP INCIncreased1.7MMay 15, 2026
MARSHALL WACE, LLPIncreased1.5MMay 15, 2026

Source: SEC Form 13F filings. For informational purposes only — not investment advice.