Insider Trading & Ownership of Barry Zwarenstein

Location
Sunnyvale, CA
Summary
The estimated net worth of Barry Zwarenstein is at least $7,474,498 dollars as of 05 May 2026. Barry Zwarenstein is the Chief Financial Officer of Five9, Inc. and owns shares of Five9, Inc. (FIVN) stock worth about $6.02M. Barry Zwarenstein is the Director of JFrog Ltd and owns shares of JFrog Ltd (FROG) stock worth about $1.46M.
Signature
/s/ Shanti Ariker pursuant to power of attorney
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Quick Takeaways

  • Barry Zwarenstein has 3 issuer positions tracked on this page.
  • Estimated disclosed ownership value: $7,474,498.
  • Recent insider filing activity is available below.

What Changed

  • Largest disclosed position: Five9, Inc. ($6,016,258).
  • 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 Barry Zwarenstein

FROG Forms 3/4/5

JFrog Ltd

Relationship
Director
Holdings value
$1,458,240
Past year net change
-$122,500
Change %
-7.7%
Report period
01 May 2026
ONTF Forms 3/4/5

ON24 INC.

Relationship
Director
Holdings value
$0
Past year net change
Change %
Report period
01 Apr 2026

Insider Transactions Reported by Barry Zwarenstein:

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.
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