David B.  Singer net worth and biography

David Singer Biography and Net Worth

Director of Infleqtion

David Singer has served as a member of our board of directors since April 2024. Mr. Singer has led private investments at Maverick Ventures since October 2004. Mr. Singer has served on seven public company boards, including Castlight Health, Inc., 1Life Healthcare, Inc. (d/b/a One Medical) and Seer, Inc. Mr. Singer received his B.A. in History from Yale University in1984 and his M.B.A. from Stanford University in 1988.

What is David B. Singer's net worth?

The estimated net worth of David B. Singer is at least $355.40 thousand as of May 21st, 2026. Mr. Singer owns 19,761 shares of Infleqtion stock worth more than $355,402 as of June 1st. This net worth evaluation does not reflect any other investments that Mr. Singer may own. Learn More about David B. Singer's net worth.

How do I contact David B. Singer?

The corporate mailing address for Mr. Singer and other Infleqtion executives is 640 FIFTH AVENUE 14TH FLOOR, NEW YORK, NY, 10019. Infleqtion can also be reached via phone at (212) 380-7500. Learn More on David B. Singer's contact information.

Has David B. Singer been buying or selling shares of Infleqtion?

During the past quarter, David B. Singer has sold $210,494,407.09 in Infleqtion stock. Most recently, David B. Singer sold 1,797,637 shares of the business's stock in a transaction on Friday, May 29th. The shares were sold at an average price of $16.10, for a transaction totalling $28,941,955.70. Learn More on David B. Singer's trading history.

Are insiders buying or selling shares of Infleqtion?

In the last year, insiders at the quantum tech company sold shares 10 times. They sold a total of 27,991,988 shares worth more than $440,130,118.08. The most recent insider tranaction occured on May, 29th when Director David B Singer sold 1,797,637 shares worth more than $28,941,955.70. Learn More about insider trades at Infleqtion.

Information on this page was last updated on 5/29/2026.

David B. Singer Insider Trading History at Infleqtion

Transaction DateBuy/SellNumber of SharesAverage Share PriceTotal TransactionShares Held After TransactionDetails
5/29/2026Sell1,797,637$16.10$28,941,955.70View SEC Filing Icon  
5/22/2026Sell5,249,967$16.76$87,989,446.92View SEC Filing Icon  
5/21/2026Sell6,369,163$14.69$93,563,004.4719,761View SEC Filing Icon  
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David B. Singer Buying and Selling Activity at Infleqtion

This chart shows David B Singer's buying and selling at Infleqtion by year and by quarter.

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Infleqtion Company Overview

Infleqtion logo
We are a blank check company incorporated as a Cayman Islands exempted company and formed for the purpose of effecting a merger, amalgamation, share exchange, asset acquisition, share purchase, reorganization or similar business combination with one or more businesses, which we refer to throughout this prospectus as our initial business combination. We have not selected any business combination target and we have not, nor has anyone on our behalf, initiated any substantive discussions, directly or indirectly, with any business combination target. We may pursue an initial business combination in any business or industry but expect to focus on a target in an industry where we believe our management team and founder’s expertise will provide us with a competitive advantage. Our founder, Michael Klein, is also the founder and managing partner of M. Klein and Company, which he founded in 2012. M. Klein and Company is a global strategic advisory firm that provides its clients a variety of advice tailored to their objectives. Mr. Klein is a strategic advisor to global companies, boards of directors, senior executives, governments, and institutional investors. Mr. Klein’s background in strategic advisory work was built during his 35-year career, including more than two decades at Citi and its predecessors, during which he initiated and executed strategic advisory transactions. He began his career as an investment banker in the M&A Advisory Group at Salomon Brothers and subsequently became Chairman and Co-Chief Executive Officer of Citi Markets and Banking, with responsibilities for Global Corporate and Investment Banking and Global Transaction Services across Citi. In his role as Co-Chief Executive Officer, he was responsible for all relationship, advisory, underwriting, and capital markets issuance activity. Our executive offices are located in New York, NY.
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Today's Range

Now: $18.33
Low: $15.73
High: $18.57

50 Day Range

MA: N/A

2 Week Range

Now: $18.33
Low: $8.52
High: $27.50

Volume

23,825,816 shs

Average Volume

7,745,058 shs

Market Capitalization

$4.00 billion

P/E Ratio

N/A

Dividend Yield

N/A

Beta

N/A