InsidersTradesSigma
Total declarations
Companies
▲ Purchases (1 ops.)
▼ Sales (5 ops.)
Insider track record
Board DirectorDisclosed buys
1
Disclosed sells
5
T+90 hit rate
29%
T+90 mean return
-0.4%
Across 7 buy signals with a settled T+90 return. Return basis: close on the day after publication.
Signal history
Browse the complete record of transactions filed by Prange Karen, Director. Director active across 6 companies, notably AtriCure, Inc.. In total, 31 reports have been logged. Split: 1 buy · 5 sells. Total volume traded: €334k. History available since 20 May 2021. The latest transaction was filed on 20 May 2026 (Cession). Regulator: SEC (Form 4). The full history is free.
Declarations31 total
3,000 shares@ US$28.650.0052% mcap22.8% of flowCommon StockSEC:0001566083-26-000004:0
5,401 shares0Common StockSEC:0001323885-25-000063:0
33,948 sharesCommon StockSEC:0000950170-25-050472:0
6,100 shares@ US$38.1267.4% of flowCommon StockSEC:0001323885-25-000027:0
13,839 shares0Common StockSEC:0000947871-25-000188:0
19,169 shares0Common StockSEC:0001610717-24-000263:0
7,788 shares0Common StockSEC:0001323885-24-000078:0
11,455 shares0Common StockSEC:0000947871-24-000106:0
91,866 shares@ US$0.07565.2% of flowCommon StockSEC:0001628280-23-025327:0
713 shares@ US$47.899.8% of flowCommon StockSEC:0001323885-23-000075:0
6,754 shares0Common StockSEC:0001610717-23-000074:0
3,186 shares0Common StockSEC:0001323885-23-000065:0
6,979 shares0Common StockSEC:0001209191-23-008327:0
54,511 shares0Common StockSEC:0001628280-22-017225:0
4,155 shares0Common StockSEC:0001567619-22-011887:0
3,564 shares0Common StockSEC:0001323885-22-000074:0
1,300 shares@ US$2.655100.0% of flowCommon StockSEC:0001628280-22-013939:0
Ideal exit: 4 Feb 2023 (T+270)
6,024 shares0Common StockSEC:0001209191-22-023212:0
26,395 shares0Common StockSEC:0001209191-21-045486:0
26,395 shares0Common StockSEC:0001209191-21-045486
19,759 shares0Common StockSEC:0001209191-21-040912
19,759 shares0Common StockSEC:0001209191-21-040912:0
1,935 shares@ US$80.5950.0% of flowCommon Stock, par value $.10 per shareSEC:0001104659-21-075860
1,935 shares@ US$80.5950.0% of flowCommon Stock, par value $.10 per shareSEC:0001104659-21-075860:0
1,167 shares0Common StockSEC:0001567619-21-011223:0
25 of 31 declarations
About Prange Karen
Karen Prange is an executive at AtriCure, Inc.
