Ellen F.  Siminoff net worth and biography

Ellen Siminoff Biography and Net Worth

Ellen Siminoff became a director in May 2022, following Take-Two’s combination with Zynga. Ms. Siminoff previously served on the board of Zynga from 2012 through 2022, serving as a member of the Audit Committee and Chair of the Nominating and Corporate Governance Committee.

Ms. Siminoff is a long-tenured media and technology executive and board member. From 2007 to 2018, she was President and CEO of Shmoop University, an educational publishing company which has built millions of units of content. Ms. Siminoff served as President and CEO of Efficient Frontier, a pioneer in the field of dynamic Search Engine Marketing (SEM) management services (sold to Adobe). Prior to Efficient Frontier, Ms. Siminoff had six adventurous years as a founding executive at Yahoo!. During her tenure, she led Business Development (Vice President, Business Development and Planning), Corporate Development (Senior Vice President, Corporate Development) and ran the Small Business and Entertainment Business units.

Among other boards and advisory relationships, she currently serves on the board of BigCommerce (NASDAQ: BIGC), a leading SAAS ecommerce platform, and the board of Verifone, the pre-eminent global payments platform. She has served as a member of the Advisory Board of Stanford University’s Graduate School of Business and serves on the President's Advisory Council of Princeton University. Other prior board experiences include SolarWinds, Discovery Education, US Auto Parts Network, Journal Communications, and Mozilla Corporation, the developers of Firefox browsers.

Ms. Siminoff graduated Stanford's Graduate School of Business with an M.B.A. and Princeton University with an A.B. in Economics. She is currently enrolled in the Harvard University online software engineering program, where she plans to continue studying. Ms. Siminoff has a breadth of professional experiences in emerging growth and technology companies, marketing and advertising, consumer trends, vast expertise in corporate and business development, and significant governance experience as a director of several public companies. As such, the Board deems Ms. Siminoff is qualified to serve as a director.

What is Ellen F. Siminoff's net worth?

The estimated net worth of Ellen F. Siminoff is at least $672.24 thousand as of November 14th, 2025. Ms. Siminoff owns 2,716 shares of Take-Two Interactive Software stock worth more than $672,237 as of December 4th. This net worth approximation does not reflect any other assets that Ms. Siminoff may own. Learn More about Ellen F. Siminoff's net worth.

How do I contact Ellen F. Siminoff?

The corporate mailing address for Ms. Siminoff and other Take-Two Interactive Software executives is 110 West 44th Street, New York NY, 10036. Take-Two Interactive Software can also be reached via phone at (646) 536-2842 and via email at [email protected]. Learn More on Ellen F. Siminoff's contact information.

Has Ellen F. Siminoff been buying or selling shares of Take-Two Interactive Software?

Over the course of the past ninety days, Ellen F. Siminoff has sold $204,304.92 of Take-Two Interactive Software stock. Most recently, Ellen F. Siminoff sold 414 shares of the business's stock in a transaction on Friday, November 14th. The shares were sold at an average price of $235.95, for a transaction totalling $97,683.30. Following the completion of the sale, the director now directly owns 2,716 shares of the company's stock, valued at $640,840.20. Learn More on Ellen F. Siminoff's trading history.

Who are Take-Two Interactive Software's active insiders?

Take-Two Interactive Software's insider roster includes Daniel Emerson (Insider), Lainie Goldstein (CFO), Jon Moses (Director), Michael Sheresky (Director), Ellen Siminoff (Director), Karl Slatoff (President), LaVerne Srinivasan (Director), and Strauss Zelnick (CEO). Learn More on Take-Two Interactive Software's active insiders.

Are insiders buying or selling shares of Take-Two Interactive Software?

During the last twelve months, insiders at the sold shares 16 times. They sold a total of 603,210 shares worth more than $136,695,760.00. The most recent insider tranaction occured on November, 17th when Director Michael Sheresky sold 182 shares worth more than $42,790.02. Insiders at Take-Two Interactive Software own 1.3% of the company. Learn More about insider trades at Take-Two Interactive Software.

Information on this page was last updated on 11/17/2025.

Ellen F. Siminoff Insider Trading History at Take-Two Interactive Software

Transaction DateBuy/SellNumber of SharesAverage Share PriceTotal TransactionShares Held After TransactionDetails
11/14/2025Sell414$235.95$97,683.302,716View SEC Filing Icon  
10/15/2025Sell411$259.42$106,621.622,860View SEC Filing Icon  
9/15/2025Sell414$246.25$101,947.503,003View SEC Filing Icon  
7/15/2025Sell414$237.80$98,449.203,290View SEC Filing Icon  
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Ellen F. Siminoff Buying and Selling Activity at Take-Two Interactive Software

This chart shows Ellen F Siminoff's buying and selling at Take-Two Interactive Software by year and by quarter.

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Take-Two Interactive Software Company Overview

Take-Two Interactive Software logo
Take-Two Interactive Software, Inc. develops, publishes, and markets interactive entertainment solutions for consumers worldwide. It develops and publishes action/adventure products under the Grand Theft Auto, LA Noire, Max Payne, Midnight Club, and Red Dead Redemption names, as well as other franchises. The company also publishes various entertainment properties across various platforms and a range of genres, such as shooter, action, role-playing, strategy, sports, and family/casual entertainment under the BioShock, Mafia, Sid Meier's Civilization, XCOM series, Borderlands, and Tiny Tina's Wonderland names. In addition, it publishes sports simulation titles comprising NBA 2K series, a basketball video game; the WWE 2K professional wrestling series; mobile titles, including WWE SuperCard; and PGA TOUR 2K. Further, the company offers Kerbal Space Program and OlliOlli World; free-to-play mobile games, such as CSR Racing, Dragon City, Empires & Puzzles, FarmVille, Golf Rival, Harry Potter: Puzzles & Spells, Match Factory!, Merge Dragons!, Merge Magic!, Monster Legends, Toon Blast, Top Eleven, Top Troops, Toy Blast, Two Dots, Words With Friends, and Zynga Poker; and hyper-casual mobile titles, including Fill the Fridge!, Parking Jam 3D, Power Slap, Pull the Pin, Twisted Tangle, and Tangled Snakes. Its products are designed for console gaming systems; personal computers; and mobiles comprising smartphones and tablets. The company provides its products through physical retail, digital download, online platforms, and cloud streaming services. Take-Two Interactive Software, Inc. was incorporated in 1993 and is based in New York, New York.
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Today's Range

Now: $247.51
Low: $242.19
High: $247.90

50 Day Range

MA: $250.03
Low: $232.00
High: $262.29

2 Week Range

Now: $247.51
Low: $177.35
High: $264.79

Volume

1,013,834 shs

Average Volume

1,821,964 shs

Market Capitalization

$45.73 billion

P/E Ratio

N/A

Dividend Yield

N/A

Beta

0.96