// company-profile
AtriCure, Inc.
ATRCExchangeNasdaqSectorSurgical & Medical Instruments & ApparatusInc.DEFilings117Insiders16
// api This AtriCure, Inc. insider-trading data is served live by the Form4API insider trading API. Get the same data via API.
// activity-summary
No insider transactions in the last 30 days.
// 90-day insight
Over the last 90 days, AtriCure, Inc. insiders bought $0 (8 transactions) and sold $227K (2 transactions).
- Most active insider: Prange Karen with 2 transactions totaling $86K.
- Largest single sale: $141K by Doraiswamy Vinayak on May 15, 2026.
Activity skews bullish — buys outpace sales.
Institutional Ownership
Top 13F-HR holders of AtriCure, Inc. as of 2026-03-31
Total reported AUM
$1.33B
QoQ change
-20.4%
Reporting period
2026-03-31
#1
ALLIANCEBERNSTEIN L.P.
CIK 1109448
$128.9M
3.3M shares
#2
Hood River Capital Management LLC
CIK 1578177
$88.9M
3.1M shares
#3
WELLINGTON MANAGEMENT GROUP LLP
CIK 902219
$63.4M
2.2M shares
Data source: SEC Form 13F-HR filings. Joined with insider activity above — see who's loading up institutionally while insiders are trading. Full 13F-HR API →
Insider Transactions
Sourced from SEC EDGAR Form 4 filings. Updated hourly.
| Date | Insider | Company | Type | Shares | Price | Value |
|---|---|---|---|---|---|---|
| May 20, 2026 | Prange Karen | ATRC | Sale | 3,000 | $28.65 | $86K |
| May 18, 2026 | Yuen Maggie | ATRC | Award | 6,144 | $0.00 | $0K |
| May 18, 2026 | Nachman Shlomo | ATRC | Award | 6,144 | $0.00 | $0K |
| May 18, 2026 | JOHNSON B KRISTINE | ATRC | Award | 6,144 | $0.00 | $0K |
| May 18, 2026 | Prange Karen | ATRC | Award | 6,144 | $0.00 | $0K |
45 more transactions hidden
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