InsidersTradesSigma
Total declarations
Companies
▲ Purchases (0 ops.)
▼ Sales (7 ops.)
Insider track record
Board DirectorDisclosed buys
0
Disclosed sells
7
T+90 hit rate
50%
T+90 mean return
+8.5%
Across 6 buy signals with a settled T+90 return. Return basis: close on the day after publication.
Signal history
Explore the full record of transactions filed by DYKSTRA KAREN E, Director. Director active across 5 companies, notably Boston Properties INC. In total, 19 disclosures have been logged. Split: 0 buy · 7 sells. Total volume traded: €3.3m. Activity tracked since 27 May 2021. The latest transaction was filed on 29 May 2026 (Levée d'options). Regulator: SEC (Form 4). The full history is free.
Declarations19 total
551 shares0Common StockSEC:0000749251-26-000187:0
953 shares0Class A Common StockSEC:0001562180-25-003161:0
1,500 shares@ US$529.0222.2% of flowCommon StockSEC:0001127602-24-026869:0
1,683 shares@ US$465.5521.9% of flowCommon StockSEC:0001127602-24-021818:0
261 shares0Common StockSEC:0001127602-24-017753:0
13,705 sharesClass A Common StockSEC:0000899243-23-020475:0
1,658 shares0Common StockSEC:0001127602-23-017898:0
356 shares@ US$321.323.5% of flowCommon StockSEC:0001127602-22-024973:0
2,275 shares0Class A Common StockSEC:0001209191-22-042180:0
1,800 shares@ US$315.3215.4% of flowCommon StockSEC:0001127602-21-030596
1,800 shares@ US$315.320.0028% mcap29.5% of flowCommon StockSEC:0001127602-21-030596:0
1,350 shares@ US$302.930.0020% mcap20.5% of flowCommon StockSEC:0001127602-21-024262:0
1,350 shares@ US$302.9310.7% of flowCommon StockSEC:0001127602-21-024262
1,620 shares0Class A Common StockSEC:0001209191-21-048244
1,620 shares0Class A Common StockSEC:0001209191-21-048244:0
2,267 shares0Common StockSEC:0001127602-21-018759
2,267 shares0Common StockSEC:0001127602-21-018759:0
1,285 shares0Common Stock, par value $0.01SEC:0001246991-21-000197
1,285 shares0Common Stock, par value $0.01SEC:0001246991-21-000197:0
19 of 19 declarations
About DYKSTRA KAREN E
Karen E. Dykstra is a Director at BOSTON PROPERTIES INC, GARTNER INC, and VMWARE, INC. She brings her expertise in strategy and management, contributing to the leadership of these companies.
