• Info
  • Insider Ownership

Insider Trading & Ownership of David B. Singer

Location
Dallas, TX
Summary
The estimated net worth of David B. Singer is at least $35,973,067 dollars as of 15 Apr 2026. David B. Singer is the Director of Infleqtion, Inc. and owns shares of Infleqtion, Inc. (INFQ) stock worth about $35.97M. David B. Singer is the Director of 1Life Healthcare Inc and owns shares of 1Life Healthcare Inc stock worth about $4.8K.
Signature
/s/ Jason D. Hall, Attorney-in-Fact
All Insider Reports
All Insider Reports

Follow Filing Activity

Follow David B. Singer and return when a new Insider Trading filing changes the record on this page.

This uses the existing product follow flow to surface future filing-backed changes without guessing what they mean.

Sign up to save research and follow filings

Quick Takeaways

  • David B. Singer has 4 issuer positions tracked on this page.
  • Estimated disclosed ownership value: $35,973,067.
  • Recent insider filing activity is available below.

What Changed

  • Largest disclosed position: Infleqtion, Inc. ($35,968,315).
  • Past-year value change for that position: .

Why This Matters

  • This page translates Forms 3/4/5 into a quick ownership context before you inspect each transaction row.
  • You can cross-check role, issuer, and filing chronology directly against the SEC source.

Source Evidence

Filed on Form 4

Insider ownership context is sourced from SEC Forms 3, 4, and 5.

See Original Filing

Ownership of David B. Singer

Symbol Company Relationship Holdings Value Past Year Net Change Change % Report Period
INFQ, INFQ-WT Infleqtion, Inc. Director $35,968,315 10 Apr 2026
ONEM 1Life Healthcare Inc Director $4,752 15 Jul 2021
CSLT CASTLIGHT HEALTH, INC. Director 17 Feb 2022
SEER Seer, Inc. Director 17 Jun 2021

Insider Transactions Reported by David B. Singer:

Sym Company Class Transaction % Value $ * Price $ Shares Shares After Date Ownership
* An asterisk sign (*) next to the price indicates that the price is likely invalid.