Louise  Phanstiel net worth and biography

Louise Phanstiel Biography and Net Worth

Director of Butterfly Network

Ms. Phanstiel serves as Chair of the Board of Directors of Myriad Genetics, Inc., or Myriad, since March 2020 and has been a Director of Myriad since September 2009. Ms. Phanstiel previously held several executive positions at Anthem, Inc., formerly WellPoint, Inc., from 1996 to 2007. Ms. Phanstiel was President, Specialty Products, which included behavioral health services; Senior Vice President, Chief of Staff and Corporate Planning in the Office of the Chairman; and Chief Accounting Officer, Controller and Chief Financial Officer for all WellPoint, Inc. subsidiaries. Previously, Ms. Phanstiel was a partner at the international services firm PricewaterhouseCoopers, LLP, formerly Coopers & Lybrand, LLP, where she specialized in insurance. Ms. Phanstiel’s life science experience includes having previously served on the Board of Directors and Chair of the Audit Committees at publicly traded companies, Inveresk Research Group, Inc. and Verastem Oncology. Ms. Phanstiel received her B.A. in accounting from Golden Gate University and is a Certified Public Accountant. Ms. Phanstiel’s qualifications to serve on the board of directors of New Butterfly include her significant experience in the healthcare industry, her extensive knowledge of financial accounting, internal control and public company reporting, and her experience serving on the board of directors of other publicly traded companies.

How do I contact Louise Phanstiel?

The corporate mailing address for Ms. Phanstiel and other Butterfly Network executives is 530 OLD WHITFIELD STREET, GUILFORD CT, 06437. Butterfly Network can also be reached via phone at 781-557-4800 and via email at [email protected]. Learn More on Louise Phanstiel's contact information.

Has Louise Phanstiel been buying or selling shares of Butterfly Network?

Louise Phanstiel has not been actively trading shares of Butterfly Network during the last quarter. Learn More on Louise Phanstiel's trading history.

Who are Butterfly Network's active insiders?

Butterfly Network's insider roster includes Nicholas Caezza (General Counsel), Dawn Carfora (Director), Megan Carlson (CFO), Steve Cashman (Insider), Joseph Devivo (CEO), John Doherty (EVP), Stephanie Fielding (CFO), Todd Fruchterman (CEO), Heather Getz (EVP), Victor Ku (CTO), Mary Miller (General Counsel), David Perri (COO), Louise Phanstiel (Director), Stacey Pugh (Insider), Larry Robbins (Director), Jonathan Rothberg (Director), Darius Shahida (Insider), and Andrei Stoica (CTO). Learn More on Butterfly Network's active insiders.

Are insiders buying or selling shares of Butterfly Network?

In the last twelve months, Butterfly Network insiders bought shares 2 times. They purchased a total of 165,200 shares worth more than $1,081,936.00. In the last twelve months, insiders at the sold shares 45 times. They sold a total of 12,444,206 shares worth more than $57,494,158.21. The most recent insider tranaction occured on August, 14th when Director S. Louise Phanstiel bought 115,200 shares worth more than $999,936.00. Insiders at Butterfly Network own 22.0% of the company. Learn More about insider trades at Butterfly Network.

Information on this page was last updated on 8/14/2026.

Louise Phanstiel Insider Trading History at Butterfly Network

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Louise Phanstiel Buying and Selling Activity at Butterfly Network

This chart shows S. Louise Phanstiel's buying and selling at Butterfly Network by year and by quarter.

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Butterfly Network Company Overview

Butterfly Network logo
Butterfly Network, Inc. develops, manufactures, and commercializes ultrasound imaging solutions in the United States and internationally. It offers Butterfly iQ, a handheld and single-probe whole body ultrasound system; Butterfly iQ+ and iQ3 ultrasound devices that can perform whole-body imaging in a single handheld probe integrated with the clinical workflow, and accessible on a user's smartphone, tablet, and almost any hospital computer system; and Butterfly iQ+ Vet, a handheld ultrasound system designed for veterinarians. The company also provides Butterfly system, which includes probes, and related accessories and software subscriptions to healthcare systems, physicians, and healthcare providers through a direct sales force, distributors, and eCommerce channel. In addition, it offers cloud-based software solutions to healthcare systems, teleguidance, in-app educational tutorials, and formal education programs through its Butterfly Academy software, as well as professional services for large scale deployments; and ScanLab, an education-only app provides written walkthroughs and reference imagery to guide real-time educational scanning, enhancing the learning process. Butterfly Network, Inc. was founded in 2011 and is headquartered in Burlington, Massachusetts.
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Today's Range

Now: $9.23
Low: $9.06
High: $9.49

50 Day Range

MA: $7.68
Low: $5.37
High: $9.71

2 Week Range

Now: $9.23
Low: $1.34
High: $10.05

Volume

1,703,503 shs

Average Volume

6,712,570 shs

Market Capitalization

$2.46 billion

P/E Ratio

N/A

Dividend Yield

N/A

Beta

2.09