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Lianna C. Whittleton
Partner
Corporate
Palo Alto

D650-849-3060

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  • Counsel to Entrepreneurs

    Lianna advises entrepreneurs on formation, equity structures, corporate governance, and employment matters.

  • Capital Markets Expertise

    Lianna regularly represents issuers and underwriters in connection with initial public offerings and other capital market transactions.

  • A Recognized Practitioner

    Lianna is consistently named to the "Rising Stars" list published by Northern California Super Lawyers.

Lianna Whittleton is a partner in the Palo Alto office of Wilson Sonsini Goodrich & Rosati. Her practice focuses on corporate and securities work for both public and private companies across all stages of growth, from early-stage start-up companies to pre-IPO companies to public companies. Lianna counsels entrepreneurs on formation, equity structures, corporate governance, and employment matters. She also regularly represents issuers and underwriters in connection with initial public offerings and other capital market transactions.

Experience

Lianna Whittleton is a partner in the Palo Alto office of Wilson Sonsini Goodrich & Rosati. Her practice focuses on corporate and securities work for both public and private companies across all stages of growth, from early-stage start-up companies to pre-IPO companies to public companies. Lianna counsels entrepreneurs on formation, equity structures, corporate governance, and employment matters. She also regularly represents issuers and underwriters in connection with initial public offerings and other capital market transactions.

Focus Areas
Recent Insights
Client Highlights
Wilson Sonsini Advises Urgently on Acquisition by Agero
On March 13, 2026, Agero, a software-enabled driver safety services and technology company, announced that it has entered into an agreement to acquire Urgent.ly (Urgently), a digital software platform that provides roadside and mobility assistance, for a cash price of $5.50 per share. The tender offer and merger are expected to close by the end of May 2026, subject to satisfaction of customary closing conditions. Wilson Sonsini Goodrich & Rosati advised Urgently on the transaction.
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Client Highlights
Wilson Sonsini Advises Zscaler on Acquisition of SquareX
On February 05, 2026, Zscaler, a leader in cloud security, announced it has acquired SquareX, to further extend Zero Trust capabilities into the browser for the AI era. This acquisition will help redefine browser security, allowing organizations to embed lightweight extensions into any browser, providing increased security, and eliminating the need for third-party browsers. The acquisition closed on February 5, 2026. Terms of the transaction have not been disclosed. Wilson Sonsini Goodrich & Rosati advised Zscaler on the transaction.
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Recent Events
Affiliated Programs
NASDAQ Spring 2026 IPO Bootcamp
Join us for the second webinar in 2026 Bootcamp series. Hosted by Nasdaq Entrepreneurial Center, this half-day program is designed to help founders, CFOs, and executives be prepared for the complex journey of taking a company public. Speakers from Wilson Sonsini and KPMG will share actionable insights on IPO strategy that attract investors and ensure compliance, SEC regulations, financial reporting, and more.
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Affiliated Programs
The L Suite 2025 General Counsel IPO Conference
Wilson Sonsini is proud to sponsor The L Suite (TechGC)’s 2025 General Counsel IPO Conference. This event is designed exclusively for General Counsels and Chief Legal Officers at early, growth, and late-stage private companies and offers the strategic insights and legal guidance they need to navigate today’s evolving IPO landscape.
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