Callsign Stock

callsign.comEnterprise Software / CybersecurityFounded: 2010Funding to Date: $178.09MM

Callsign is an AI-enabled authentication platform. The Callsign authentication suite, which includes multi-factor authentication (MFA) allows users to discern which authentication steps are necessary at which point in their customers' journey. Callsign was founded in 2010 by Zia Hayat Ph.D. and Ian Welch and is headquartered in Palo Alto, CA.

Register To Buy and Sell Shares

For more details on financing and valuation for Callsign, register or login.

Please provide a valid email address.

By registering, you agree to Forge’s Terms of Use. Already registered? Log in


Enterprise Value

Powered by Forge Data

Access Callsign’s valuation and stock price.

View secondary pricing information, VWAP and distribution waterfall. And seek potentially outsized returns with same day private market data for private companies like Callsign.

Become part of the Secondary Marketplace, catering to both individual and institutional investors.


Animation displayed is not current and securities are shown for illustrative purposes only.

Callsign investors also invested in these private companies


Management Team

Zia Hayat Ph.D
Co-Founder, Chief Executive Officer & Chairman
Patrick Imbach Ph.D
Chief Financial Officer
Ian Welch
Co-Founder, Chief Operating Officer & Board Member
Adrien Pujol
Chief Information Officer
Sarah Whipp
Chief Marketing Officer & Head of GTM Strategy
Lawrence Costanza
Chief Revenue Officer

Board Members

David Fields
PTB Ventures
Hendrik Nelis Ph.D

Frequently Asked Questions About Callsign’s Stock

Can you buy Callsign’s stock?
Callsign is not publicly traded on NYSE or NASDAQ in the U.S. To buy Callsign’s stock you need to be an accredited investor. Learn more about how to invest in the private market or register today to get started.
Can you sell Callsign’s stock?
Yes, you can sell stock of a private company like Callsign. Forge can help you sell your Callsign stock in a way that works for you and the company. So if you are seeking liquidity, register with us today to get started.
What is Callsign’s stock price?
Callsign is a privately held company and therefore does not have a public stock price. However, you may access Callsign’s private market stock price with Forge Data.
What is Callsign’s stock ticker symbol?
Callsign does not have an official ticker symbol because this company is not currently publicly traded.
Can institutional investors buy and sell private market stocks?
Yes. As one of the largest trading platform for the private market, Forge helps institutional investors seek liquidity as they buy and sell private stock for their portfolios or their clients. Our private market specialists have decades of experience working with institutional firms. Learn more or register today to get started.

News Highlights

Callsign's chief commercial and strategy officer Amir Nooriala leaves
Amir Nooriala, the chief commercial and strategy officer at digital identity technology provider Callsign, has left the company after three years. Nooriala announced on LinkedIn that he will be stepping back from day-to-day operations in tech startups but will remain involved through board and advisory roles. He also revealed his partnership with VC veteran Daniel Cardenas-Clark to launch a new investment firm, Aurias.
Updated on: Jun 14, 2024


Public news articles listed on this page have been curated by Forge based on several factors including, but not limited to, product updates, changes in organization structure, funding rounds, third-party valuations, and key personnel changes. Changes to this list of articles can be made at any time without notice and should not be relied upon for investment purposes. Forge does not verify the accuracy of the information contained in public news articles.