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Barry Zwarenstein, insider at Five9

Barry Zwarenstein Insider Information

CFO of Five9

Barry Zwarenstein is the chief financial officer at Five9, the leading provider of call center contact center software. He joined the company in 2012 and is responsible for all financial planning and operations.

Zwarenstein has over 35 years of executive financial experience in the tech industry. He has served as CFO for several companies and managed three successful IPOs (Five9, VeriFone and Logitech). 

Prior to Five9, Zwarenstein served as senior vice president and CFO at SMART Modular Technologies, a global leader in specialty memory solutions. While there, he played a key role in its $635 million sale to Silver Lake Partners. Before that, he served as executive vice president and CFO for VeriFone, where he managed the IPO and subsequent follow-on and debt offerings. 

Additionally, he has served as SVP of finance and CFO for Iomega Corporation, Acuson Corporation, Mellanox Technologies and Logitech.

Zwarenstein also sits on the boards of multiple companies, including JFrog, Aria Systems, and ON24. He previously served on the board of Dealertrack for eight years. In 2019, he was recognized with the “Bay Area CFO of the Year” award in the small to medium public company category.

He earned a bachelor of commerce degree from the University of Natal, South Africa and an M.B.A. from the Wharton School of Business at the University of Pennsylvania.

What is Barry Zwarenstein's net worth?

The estimated net worth of Barry Zwarenstein is at least $18.10 million as of July 19th, 2021. Mr. Zwarenstein owns 90,785 shares of Five9 stock worth more than $18,102,529 as of August 3rd. This net worth evaluation does not reflect any other assets that Mr. Zwarenstein may own. Additionally, Mr. Zwarenstein receives an annual salary of $740,510.00 as CFO at Five9.

How old is Barry Zwarenstein?

Mr. Zwarenstein is currently 72 years old. There are 7 older executives and no younger executives at Five9.

What is Barry Zwarenstein's salary?

As the CFO of Five9, Inc., Mr. Zwarenstein earns $740,510.00 per year. There are 2 executives that earn more than Mr. Zwarenstein. The highest earning executive at Five9 is Mr. Rowan M. Trollope, CEO & Director, who commands a salary of $1,350,000.00 per year.

How do I contact Barry Zwarenstein?

The corporate mailing address for Mr. Zwarenstein and other Five9 executives is BISHOP RANCH 8 4000 EXECUTIVE PARKWAY SUITE 400, SAN RAMON CA, 94583. Five9 can also be reached via phone at 925-201-2000 and via email at [email protected]

Has Barry Zwarenstein been buying or selling shares of Five9?

During the last quarter, Barry Zwarenstein has sold $2,334,375.00 of Five9 stock. Most recently, Barry Zwarenstein sold 12,500 shares of the business's stock in a transaction on Monday, July 19th. The shares were sold at an average price of $186.75, for a transaction totalling $2,334,375.00. Following the completion of the sale, the chief financial officer now directly owns 90,785 shares of the company's stock, valued at $16,954,098.75.

Who are Five9's active insiders?

Five9's insider roster includes Kimberly Alexy (Director), Scott Welch (EVP), and Barry Zwarenstein (CFO).

Are insiders buying or selling shares of Five9?

During the last twelve months, insiders at the software maker sold shares 48 times. They sold a total of 449,058 shares worth mmore than $68,086,753.30. The most recent insider tranaction occured on July, 19th when Barry Zwarenstein CFO bought 12,500 shares worth more than $2,334,375.00. Insiders at Five9 own 2.5 % of the company.

Information on this page was last updated on 7/19/2021.

Barry Zwarenstein Insider Trading History at Five9

Transaction DateBuy/SellNumber of SharesAverage Share PriceTotal TransactionShares Held After TransactionDetails
7/19/2021Sell12,500$186.75$2,334,375.0090,785View SEC Filing Icon  
6/17/2021Sell12,500$175.93$2,199,125.0093,701View SEC Filing Icon  
6/4/2021Sell3,388$157.53$533,711.6484,273View SEC Filing Icon  
5/17/2021Sell12,500$162.80$2,035,000.00View SEC Filing Icon  
3/16/2021Sell12,500$168.97$2,112,125.0096,912View SEC Filing Icon  
3/4/2021Sell3,751$169.11$634,331.6184,412View SEC Filing Icon  
2/16/2021Sell12,500$181.91$2,273,875.0089,298View SEC Filing Icon  
1/19/2021Sell12,500$169.95$2,124,375.00113,805View SEC Filing Icon  
12/16/2020Sell12,500$168.57$2,107,125.00113,805View SEC Filing Icon  
12/4/2020Sell3,766$151.63$571,038.58104,371View SEC Filing Icon  
11/4/2020Sell715$157.66$112,726.90105,018View SEC Filing Icon  
10/16/2020Sell2,984$146.35$436,708.40108,717View SEC Filing Icon  
9/16/2020Sell12,500$121.23$1,515,375.00118,233View SEC Filing Icon  
9/4/2020Sell2,990$114.00$340,860.00111,512View SEC Filing Icon  
7/16/2020Sell12,500$110.42$1,380,250.00124,212View SEC Filing Icon  
6/16/2020Sell12,500$103.69$1,296,125.00121,817View SEC Filing Icon  
6/4/2020Sell3,379$98.91$334,216.89112,537View SEC Filing Icon  
4/15/2020Sell8,500$83.65$711,025.00114,790View SEC Filing Icon  
3/16/2020Sell8,500$53.97$458,745.00114,790View SEC Filing Icon  
3/5/2020Sell3,048$73.25$223,266.00114,790View SEC Filing Icon  
2/18/2020Sell8,500$76.70$651,950.0093,508View SEC Filing Icon  
1/15/2020Sell8,500$72.79$618,715.0093,508View SEC Filing Icon  
12/16/2019Sell8,500$67.12$570,520.00103,994View SEC Filing Icon  
12/4/2019Sell4,398$67.25$295,765.50103,994View SEC Filing Icon  
11/15/2019Sell7,667$64.74$496,361.58116,059View SEC Filing Icon  
10/14/2019Sell7,663$56.03$429,357.89116,055View SEC Filing Icon  
9/16/2019Sell7,663$54.24$415,641.12116,055View SEC Filing Icon  
9/11/2019Sell4,372$56.93$248,897.96108,392View SEC Filing Icon  
8/14/2019Sell7,663$61.47$471,044.61112,764View SEC Filing Icon  
7/15/2019Sell7,663$52.05$398,859.15112,764View SEC Filing Icon  
6/14/2019Sell7,663$50.31$385,525.53122,869View SEC Filing Icon  
6/4/2019Sell3,118$46.41$144,706.38View SEC Filing Icon  
5/1/2019Sell7,483$52.83$395,326.89125,405View SEC Filing Icon  
4/1/2019Sell8,500$52.32$444,720.00125,405View SEC Filing Icon  
3/4/2019Sell10,898$53.76$585,876.48125,405View SEC Filing Icon  
3/1/2019Sell8,500$54.03$459,255.00125,405View SEC Filing Icon  
2/1/2019Sell8,500$51.41$436,985.0092,599View SEC Filing Icon  
1/2/2019Sell8,500$42.53$361,505.0098,953View SEC Filing Icon  
12/4/2018Sell12,913$42.35$546,865.55View SEC Filing Icon  
10/25/2018Sell10,000$36.39$363,900.00105,349View SEC Filing Icon  
9/25/2018Sell10,000$44.79$447,900.00121,714View SEC Filing Icon  
9/4/2018Sell6,384$47.62$304,006.08121,714View SEC Filing Icon  
8/27/2018Sell10,000$47.25$472,500.00128,098View SEC Filing Icon  
7/25/2018Sell10,000$35.55$355,500.00118,098View SEC Filing Icon  
6/25/2018Sell10,000$34.33$343,300.00189,710View SEC Filing Icon  
6/4/2018Sell4,305$36.52$157,218.60189,710View SEC Filing Icon  
5/29/2018Sell10,000$33.56$335,600.00View SEC Filing Icon  
4/25/2018Sell5,000$27.18$135,900.00192,831View SEC Filing Icon  
3/26/2018Sell5,000$31.16$155,800.00192,831View SEC Filing Icon  
3/5/2018Sell3,713$31.13$115,585.69192,831View SEC Filing Icon  
2/26/2018Sell5,000$29.67$148,350.00196,544View SEC Filing Icon  
1/25/2018Sell5,000$25.80$129,000.00162,760View SEC Filing Icon  
12/26/2017Sell5,000$24.52$122,600.00141,778View SEC Filing Icon  
12/4/2017Sell3,073$23.79$73,106.67121,368View SEC Filing Icon  
11/27/2017Sell5,000$24.42$122,100.00View SEC Filing Icon  
10/3/2017Sell11,000$24.89$273,790.00123,698View SEC Filing Icon  
9/5/2017Sell13,024$21.25$276,760.00123,698View SEC Filing Icon  
8/9/2017Sell3,020$21.01$63,450.20126,722View SEC Filing Icon  
8/1/2017Sell10,378$22.22$230,599.16129,742View SEC Filing Icon  
7/12/2017Sell12,622$22.44$283,237.68129,742View SEC Filing Icon  
6/15/2017Sell11,000$21.97$241,670.00362,639View SEC Filing Icon  
5/25/2017Sell12,023$21.81$262,221.63View SEC Filing Icon  
3/10/2017Sell2,469$16.31$40,269.39428,603View SEC Filing Icon  
12/1/2016Sell8,000$15.02$120,160.00402,896View SEC Filing Icon  
11/1/2016Sell8,000$14.35$114,800.00402,896View SEC Filing Icon  
10/3/2016Sell8,000$15.67$125,360.00422,508View SEC Filing Icon  
9/1/2016Sell8,000$15.32$122,560.00422,508View SEC Filing Icon  
8/1/2016Sell8,000$12.62$100,960.00422,508View SEC Filing Icon  
7/1/2016Sell8,000$11.82$94,560.00422,508View SEC Filing Icon  
6/15/2016Sell8,000$12.06$96,480.00422,508View SEC Filing Icon  
3/9/2015Buy25,000$4.38$109,500.00View SEC Filing Icon  
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Barry Zwarenstein Buying and Selling Activity at Five9

This chart shows Barry Zwarenstein's buying and selling at Five9 by year and by quarter.

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Five9 Company Overview

Five9 logo
Five9, Inc., together with its subsidiaries, provides cloud software for contact centers in the United States and internationally. The company offers virtual contact center cloud platform that delivers a suite of applications, which enables the breadth of contact center-related customer service, sales, and marketing functions. Its solution enables its clients to manage these customer interactions across various channels, including voice, chat, email, web, social media, and mobile, as well as through APIs. It serves customers in various industries comprising banking and financial services, business process outsourcers, consumer, healthcare, and technology. Five9, Inc. has an alliance agreement with Deloitte Digital to bring transformational Cloud Contact Center as a Service (CCaaS) solutions to clients. The company was incorporated in 2001 and is headquartered in San Ramon, California.
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Today's Range

Now: $199.40
Low: $197.78
High: $204.89

50 Day Range

MA: $181.96
Low: $155.97
High: $205.39

2 Week Range

Now: $199.40
Low: $107.98
High: $211.44


583,384 shs

Average Volume

916,592 shs

Market Capitalization

$13.50 billion

P/E Ratio


Dividend Yield



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