InsidersTradesSigma
Total declarations
Companies
▲ Purchases (0 ops.)
▼ Sales (23 ops.)
Insider track record
Board DirectorDisclosed buys
0
Disclosed sells
23
T+90 hit rate
81%
T+90 mean return
+15.2%
Across 16 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 Wassenaar Yvonne, Director. Insider active across 6 companies, notably Forrester Research, INC.. Aggregated, 60 reports have been logged. Split: 0 buy · 23 sells. Total volume traded: €495k. History available since 24 May 2021. The latest transaction was disclosed on 20 May 2026 (Cession). Regulator: SEC (Form 4). The full history is accessible without signup.
Declarations60 total
971 shares0Common StockSEC:0001596532-26-000097:0
324 shares@ US$139.8920.0000% mcap16.6% of flowCommon StockSEC:0001596532-26-000097:1
329 shares@ US$140.86420.0000% mcap17.0% of flowCommon StockSEC:0001596532-26-000097:2
242 shares@ US$141.89280.0000% mcap12.6% of flowCommon StockSEC:0001596532-26-000097:3
76 shares@ US$142.61890.0000% mcap4.0% of flowCommon StockSEC:0001596532-26-000097:4
78 shares@ US$151.06970.0000% mcap2.4% of flowCommon StockSEC:0001596532-26-000058:0
414 shares@ US$152.30630.0000% mcap12.8% of flowCommon StockSEC:0001596532-26-000058:1
607 shares@ US$153.35130.0000% mcap19.0% of flowCommon StockSEC:0001596532-26-000058:2
290 shares@ US$154.0750.0000% mcap9.1% of flowCommon StockSEC:0001596532-26-000058:3
6 shares@ US$154.720.0000% mcap0.2% of flowCommon StockSEC:0001596532-26-000058:4
264 shares@ US$132.69046.9% of flowCommon StockSEC:0001596532-26-000048:0
1,000 shares0Common StockSEC:0001596532-25-000228:0
2,000 shares0Class A Common StockSEC:0001415889-25-019529:0
5,033 shares0Class A Common StockSEC:0001676238-25-000091:0
2,702 shares0Class A Common StockSEC:0001415889-25-018419:0
2,000 shares0Class A Common StockSEC:0001415889-25-015831:0
24 shares@ US$92.67710.8% of flowCommon StockSEC:0001596532-25-000140:0
844 shares0Common StockSEC:0001596532-25-000137:0
5,471 shares0Ordinary SharesSEC:0001415889-25-014154:0
2,304 shares0Common StockSEC:0001596532-25-000112:0
2,000 shares0Class A Common StockSEC:0001415889-25-012275:0
3,000 shares0Class A Common StockSEC:0001415889-25-008708:0
1,372 shares0Ordinary SharesSEC:0001415889-25-006224:0
88 shares@ US$101.88533.6% of flowCommon StockSEC:0001596532-25-000054:0
844 shares0Common StockSEC:0001596532-25-000047:0
25 of 60 declarations
About Wassenaar Yvonne
Public sources indicate that Yvonne Wassenaar serves on the boards of Arista Networks, JFrog, and Rubrik, and previously served on the boards of Anaplan, Forrester Research, and Mulesoft. SEC filings describe her as a technology executive and former CEO of Puppet from January 2019 to May 2022, with prior roles at VMware, New Relic, and Airware, and they state that she joined Arista’s board in July 2022 and Braze’s board in June 2024. The filings also say she has served on Forrester’s board since June 2017 and on JFrog’s board since 2022, and that she holds a BA in Economics from UCLA and an MBA from the UCLA Anderson School of Business. Sources: https://www.sec.gov/Archives/edgar/data/1596532/000159653225000116/arista-proxysupplement1.htm
