Insider Cluster (2 insiders) ·Filed May 22, 2026

ATRC

AtriCure, Inc.
NEUTRAL
Impact 2/10
Horizondays Processed4mo ago
Insider cluster: 2 insiders, $227K total
Actionable Insight • Neutral

The insider cluster is routine and non-informative. The director grants are standard compensation, and the small sales are likely liquidity-driven. No actionable signal for traders — monitor upcoming quarterly earnings for any fundamental changes.

DirectionNeutral
Confidencehigh
Horizondays
Final — all horizons settled through T+60d
ATRC ▲ +61.75% at T+60d
NEUTRAL call ✓ call won +61.75% · α vs SPY +58.56% · entry $28.29 → $45.76
Entry anchored
May 21, 03:59 PM ET
via exchange tick
T+1d
+1.84%
call +1.84% · α +1.25%
$28.81
settled 4mo ago
T+5d
-6.40%
call -6.40% · α -8.07%
$26.48
settled 4mo ago
T+20d
-1.01%
call -1.01% · α +0.41%
$28.01
settled 3mo ago
T+60d
+61.75%
call +61.75% · α +58.56%
$45.76
settled 6w ago

Price Chart

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Executive Summary

Two AtriCure insiders sold a total of $227K in open-market sales over a 7-day window, representing 0.015% of the $1.5B market cap. The sales are trivial relative to company size and are accompanied by a large director grant of 6,144 shares each to 8 directors on May 18, which is a non-cash event. The cluster is dominated by non-cash grants and a single small sale by a director, with no C-suite selling — the signal is negligible.

Key Financial Metrics

Direction
selling
Total Value
$227.0K
Insiders
2

Key Facts

  • Total open-market sales: $227K (0.015% of $1.5B market cap)
  • 8 directors received non-cash grants of 6,144 shares each on May 18 ($0 value)
  • Only 2 insiders sold: Director Prange Karen ($86K) and CSO Doraiswamy Vinayak ($141K)
  • No C-suite executives (CEO/CFO) sold in the cluster
  • Sales are well below the 0.1% of market cap threshold for materiality

Financial Impact

Total insider sales of $227K represent 0.015% of market cap — immaterial

dilution

Risk Factors

  • No material insider selling risk identified
  • Historical performance shows prior neutral calls on ATRC underperformed (avg T+20 -1.4%), but this cluster is too small to drive stock movement

Market Snapshot

Exchange
Nasdaq
Sector
Surgical & Medical Instruments & Apparatus
Analyst Consensus
81% bullish (16 analysts)

Investment Themes

Healthcare & Medical Devices

Documents Analyzed

This report is based on 1 SEC document filed with EDGAR.

DocumentAccession Number
CLUSTER Data (Synthetic)cluster-ATRC-1779454682932
10 reports for ATRC
Performance horizon
100% Hit rate 3 of 3 directional calls best @ T+60▲ +89.53%Jun 14, 2026
Filters
Rows
Reports for ATRC — sortable, filterable
TypeNow
Sep 14, 2026
18d ago
Insider Cluster
NEUTRAL ★ 2/10
$55.79 $58.32▲ +4.53%▲ +2.88%$55.14 (−1.17%)
Aug 7, 2026
8w ago
Insider Cluster
NEUTRAL ★ 2/10
$41.39 $44.30▲ +7.03%▲ +6.63%$55.14 (+33.22%)
Jul 30, 2026
9w ago
Insider Cluster
NEUTRAL ★ 2/10
$40.15 $39.49▼ −1.64%▼ −5.27%$55.14 (+37.33%)
Jul 30, 2026
9w ago
Insider Cluster
NEUTRAL ★ 2/10
$40.15 $39.49▼ −1.64%▼ −5.27%$55.14 (+37.33%)
Jul 23, 2026
10w ago
8-K
BULLISH ★ 6/10
$35.04 $40.15▲ +14.58%▲ +14.21%$55.14 (+57.36%)
Jun 14, 2026
15w ago
Institutional Cluster
BULLISH ★ 5/10
$27.98 $28.44▲ +1.64%▲ +3.03%$55.14 (+97.07%)
Jun 11, 2026
16w ago
Institutional Cluster
BEARISH ★ 5/10
$28.41 $27.12▲ +4.54%▲ +4.97%$55.14 (−94.09%)
May 22, 2026
19w ago
Insider Cluster
NEUTRAL ★ 2/10
$28.29 $26.48▼ −6.40%▼ −8.07%$55.14 (+94.91%)
May 5, 2026
21w ago
8-K
MIXED ★ 6/10
$28.01 $26.69▼ −4.71%▼ −5.84%$55.14 (+96.86%)
Apr 6, 2026
25w ago
DEFA14A
NEUTRAL ★ 3/10
$29.19 $28.66▼ −1.82%▼ −5.95%$55.14 (+88.90%)
Showing 10 of 10

US Market Status

Market Closed — Opens Mon (37h 46m)

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Report published May 22, 2026