InsidersTradesSigma
Total declarations
Companies
▲ Purchases (2 ops.)
▼ Sales (26 ops.)
Insider track record
Board DirectorDisclosed buys
2
Disclosed sells
26
T+90 hit rate
25%
T+90 mean return
-2.6%
Across 4 buy signals with a settled T+90 return. Return basis: close on the day after publication.
Signal history
Discover the complete record of transactions filed by Siminoff Ellen F, Executive Chair of the Board. Insider active across 4 companies, notably BigCommerce Holdings, Inc.. Aggregated, 68 disclosures have been published. Split: 2 buys · 26 sells. Total volume traded: €2.6m. Activity tracked since 14 May 2021. The latest transaction was disclosed on 1 July 2026 (Attribution). Regulator: SEC (Form 4). All data is accessible without signup.
Declarations68 total
104 shares0Common StockSEC:0000946581-26-000067:0
167 shares@ US$252.53Common StockSEC:0000946581-26-000067:1
167 shares@ US$252.53Common StockSEC:0000946581-26-000067:2
367 shares0Common StockSEC:0001127602-25-016040:0
177,158 shares@ US$6.640352.7% of flowSeries 1 Common StockSEC:0001562180-25-002264:0
Ideal exit: 1 Dec 2025 (T+270)
3,239 shares@ US$6.28250.9% of flowSeries 1 Common StockSEC:0001562180-25-001692:0
Ideal exit: 21 Nov 2025 (T+270)
435 shares0Common StockSEC:0001127602-25-005479:0
2,207 shares0Series 1 Common StockSEC:0001562180-24-007935:0
509 shares0Common StockSEC:0001127602-24-027487:0
556 shares0Common StockSEC:0001127602-24-022639:0
1,678 shares0Series 1 Common StockSEC:0001562180-24-006315:0
562 shares0Common StockSEC:0001127602-24-017342:0
2,003 shares0Series 1 Common StockSEC:0001562180-24-004216:0
1,524 shares0Series 1 Common StockSEC:0001562180-24-002619:0
492 shares0Common StockSEC:0001127602-24-006079:0
566 shares0Common StockSEC:0001127602-23-027830:0
1,333 shares0Series 1 Common StockSEC:0001562180-23-007642:0
526 shares0Common StockSEC:0001127602-23-022884:0
1,243 shares0Series 1 Common StockSEC:0001562180-23-006306:0
599 shares0Common StockSEC:0001127602-23-018158:0
23,007 shares0Series 1 Common StockSEC:0001562180-23-004383:0
1,105 shares0Series 1 Common StockSEC:0001562180-23-002557:0
756 shares0Common StockSEC:0001127602-23-005540:0
629 shares0Common StockSEC:0001127602-22-025800:0
755 shares0Series 1 Common StockSEC:0001562180-22-007607:0
25 of 68 declarations
About Siminoff Ellen F
Public sources indicate that Ellen F. Siminoff has been a member of BigCommerce’s board since February 2020 and became Executive Chair in October 2024. Zynga and Take-Two SEC filings state that she served on Zynga’s board since June 2012 and joined Take-Two Interactive’s board in May 2022 after the Zynga combination. SEC filings also describe her as a former executive of Shmoop University, Efficient Frontier, and Yahoo!, and note her prior service on SolarWinds’ board. Sources: https://www.sec.gov/Archives/edgar/data/1626450/000119312526135670/bigc-20260331.htm
