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Barry Zwarenstein Insider Trading Activity

Every SEC Form 4 transaction reported by Barry Zwarenstein, sourced directly from SEC EDGAR and updated as new filings are accepted.

By · Insider-trading data from SEC EDGAR
Latest filing:

Compiled automatically from SEC EDGAR Form 4 filings and refreshed daily. Figures count purchases (code P) and sales (code S) only — not grants, option exercises, or gifts. How this page is built. Not investment advice.

Quick Answer

Is Barry Zwarenstein buying or selling?

Barry Zwarenstein reported 1 open-market buys ($511.2K) and 99 sells ($70.3M) across 100 Form 4 filings at 3 companies — a net selling position of $69.8M.

Source: SEC EDGAR Form 4

What stands out

  • Barry Zwarenstein has reported Form 4 transactions at 3 companies; the most active, Five9, Inc. (FIVN), accounts for 94 of 100 filings (94%).
  • The most recent Form 4 was accepted on Sep 16, 2026 (32 days ago).
  • In the last 12 months: no open-market purchases and 5 sales ($438.5K).
  • The largest open-market sale in the last 12 months was $110.5K of JFrog Ltd (FROG) on Sep 16, 2026. SEC ↗

Key Statistics (as of Sep 16, 2026)

Total Form 4 filings
100
SEC EDGAR
Companies
3
Buys (1)
$511.2K
Sells (99)
$70.3M

Insider sentiment

Net selling

Net insider flow of $69.8M in net selling, filed between Jan 26, 2018 – Sep 16, 2026.

Companies Barry Zwarenstein files for

#CompanyForm 4 filings
1FIVNFive9, Inc.94
2FROGJFrog Ltd5
3ONTFON24 INC.1

Recent Barry Zwarenstein transactions

DateTickerRoleTypeSharesValueFiling
Sep 16, 2026FROGDirectorSale1.3K$110.5KSEC ↗
Jul 27, 2026FROGDirectorSale1.3K$100.1KSEC ↗
Jun 10, 2026FROGDirectorSale1.3K$105.4KSEC ↗
May 5, 2026FROGDirectorSale1.3K$61.3KSEC ↗
Mar 30, 2026FROGDirectorSale1.3K$61.3KSEC ↗
Mar 7, 2025FIVNChief Financial OfficerSale2.5K$82.0KSEC ↗
Dec 6, 2024FIVNChief Financial OfficerSale3.3K$139.6KSEC ↗
Sep 12, 2024FIVNChief Financial OfficerSale4.4K$118.9KSEC ↗
Jul 18, 2024FIVNChief Financial OfficerSale6.2K$279.4KSEC ↗
Jun 14, 2024FIVNChief Financial OfficerSale5.4K$241.2KSEC ↗
Jun 12, 2024FIVNChief Financial OfficerSale10.3K$438.8KSEC ↗
Mar 6, 2024FIVNChief Financial OfficerSale7.0K$414.1KSEC ↗
Sep 7, 2023FIVNChief Financial OfficerSale6.0K$426.3KSEC ↗
Aug 17, 2023FIVNChief Financial OfficerSale10.0K$701.5KSEC ↗
Jul 17, 2023FIVNChief Financial OfficerSale12.5K$1.1MSEC ↗
Jun 16, 2023FIVNChief Financial OfficerSale10.0K$750.4KSEC ↗
Jun 13, 2023FIVNChief Financial OfficerSale10.0K$750.4KSEC ↗
Jun 6, 2023FIVNChief Financial OfficerSale20.4K$1.4MSEC ↗
May 22, 2023FIVNChief Financial OfficerSale5.0K$312.8KSEC ↗
May 18, 2023FIVNChief Financial OfficerSale2.5K$137.6KSEC ↗
Apr 19, 2023FIVNChief Financial OfficerSale10.0K$712.3KSEC ↗
Mar 31, 2023FIVNChief Financial OfficerSale5.0K$337.9KSEC ↗
Mar 17, 2023FIVNChief Financial OfficerSale5.0K$309.2KSEC ↗
Mar 8, 2023FIVNChief Financial OfficerSale2.0K$136.9KSEC ↗
Mar 1, 2023FIVNChief Financial OfficerSale497$33.8KSEC ↗

Showing the 25 most recent filings of 100. Screen every filing.

Barry Zwarenstein insider trading FAQ

Is Barry Zwarenstein buying or selling?

Across 100 SEC Form 4 filings, Barry Zwarenstein reported 1 open-market purchases totaling $511.2K and 99 sales totaling $70.3M — a net selling position of $69.8M.

Which companies does Barry Zwarenstein file Form 4s for?

Barry Zwarenstein has reported insider transactions at 3 companies, most often Five9, Inc. (FIVN), JFrog Ltd (FROG), ON24 INC. (ONTF).

How far back does Barry Zwarenstein's filing history go?

Trabud holds Barry Zwarenstein's SEC Form 4 filings from Jan 26, 2018 – Sep 16, 2026, sourced directly from SEC EDGAR.

Where does Trabud get Barry Zwarenstein's insider trading data?

Directly from SEC EDGAR Form 4 filings. Every transaction on this page is a real filing accepted by the SEC, updated as new filings arrive.

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