InsidersTradesSigma
Total declarations
Companies
▲ Purchases (0 ops.)
▼ Sales (24 ops.)
Discover the complete record of transactions filed by Siminoff Ellen F, Executive Chair of the Board. Insider active across 3 companies, notably BigCommerce Holdings, Inc.. Aggregated, 38 disclosures have been published. Total volume traded: €1.5m. The latest transaction was disclosed on 17 May 2022 — Levée d'options. Regulator: SEC (Form 4). All data is accessible without signup.
Declarations38 total
1,658 shares
Common Stock
SEC:0001127602-22-015674:0·
40,846 shares
Class A Common Stock
SEC:0001209191-22-031687:0·
05,548 shares0
Class A Common Stock
SEC:0001209191-22-030561:0·
010,023 shares0
Series 1 Common Stock
SEC:0001562180-22-004245:0·
0381 shares0
Series 1 Common Stock
SEC:0001562180-22-002657:0·
05,547 shares0
Class A Common Stock
SEC:0001209191-22-011906:0·
€27,4395,000 shares@ €5.487811.0% of flow
Class A Common Stock
SEC:0001209191-21-070393·
€27,4395,000 shares@ €5.48785.5% of flow
Class A Common Stock
SEC:0001209191-21-070393:0·
€33,1255,000 shares@ €6.624913.3% of flow
Class A Common Stock
SEC:0001209191-21-065204·
€33,1255,000 shares@ €6.62496.7% of flow
Class A Common Stock
SEC:0001209191-21-065204:0·
0211 shares0
Series 1 Common Stock
SEC:0001562180-21-007058·
0211 shares0
Series 1 Common Stock
SEC:0001562180-21-007058:0·
€114,1252,500 shares@ €45.649923.8% of flow
Series 1 Common Stock
SEC:0001562180-21-006941·
€114,1252,500 shares@ €45.649911.9% of flow
Series 1 Common Stock
SEC:0001562180-21-006941:0·
€32,1795,000 shares@ €6.435713.0% of flow
Class A Common Stock
SEC:0001209191-21-060979·
€32,1795,000 shares@ €6.43576.5% of flow
Class A Common Stock
SEC:0001209191-21-060979:0·
€114,0062,500 shares@ €45.602223.8% of flow
Series 1 Common Stock
SEC:0001562180-21-006138·
€114,0062,500 shares@ €45.602211.9% of flow
Series 1 Common Stock
SEC:0001562180-21-006138:0·
€33,9685,000 shares@ €6.793613.7% of flow
Class A Common Stock
SEC:0001209191-21-056723·
€33,9685,000 shares@ €6.79366.8% of flow
Class A Common Stock
SEC:0001209191-21-056723:0·
€102,4242,094 shares@ €48.913121.4% of flow
Series 1 Common Stock
SEC:0001562180-21-005634·
€102,4242,094 shares@ €48.913110.7% of flow
Series 1 Common Stock
SEC:0001562180-21-005634:0·
€34,7205,000 shares@ €6.94414.0% of flow
Class A Common Stock
SEC:0001209191-21-052338·
€34,7205,000 shares@ €6.9447.0% of flow
Class A Common Stock
SEC:0001209191-21-052338:0·
€114,3731,994 shares@ €57.358523.9% of flow
Series 1 Common Stock
SEC:0001562180-21-005082·
25 of 38 declarations
About Siminoff Ellen F
Ellen F. Siminoff is an American technology executive and board leader whose career has been shaped by internet businesses, digital growth companies, and public-company governance. She is currently Executive Chair of the Board at BigCommerce Holdings, Inc., a role she assumed in October 2024 after joining BigCommerce’s board in 2020. In that capacity, she helps guide corporate strategy, oversees management at the board level, and supports long-term shareholder value creation. She also has a long association with Zynga, where she joined the board in 2012 and later continued through the company’s combination with Take-Two Interactive. ([investors.bigcommerce.com](https://investors.bigcommerce.com/corporate-governance/board-of-directors/?utm_source=openai)) Before her board-focused roles, Siminoff built an operating career in internet and technology companies. From 1996 to 2002, she held several leadership positions at Yahoo!, including Senior Vice President of Entertainment and Small Business, Senior Vice President of Corporate Development, and Vice President of Business Development and Planning. She then served as President and CEO of Efficient Frontier from 2004 to 2008, and as chairman of its board until 2009. After that, she co-founded Shmoop University, Inc. and led it as President and CEO for twelve years, helping grow the company into a widely used educational publishing platform serving millions of learners and thousands of schools. Her broader governance experience includes board service at SolarWinds, Glu Mobile, Journal Communications, US Auto Parts Network, and private-company roles such as Mozilla. She earned an MBA from the Stanford Graduate School of Business and an AB in Economics from Princeton University. Her notable contributions center on building and scaling internet businesses, guiding digital strategy, and bringing seasoned board oversight to growth-oriented companies. ([zynga.com](https://www.zynga.com/board-of-directors/ellen-f-siminoff/?utm_source=openai))
