InsiderDirector

Michael Kauffman Insider Trading Activity

Every SEC Form 4 transaction reported by Michael Kauffman, 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 Michael Kauffman buying or selling?

Michael Kauffman reported 1 open-market buys ($30.0K) and 52 sells ($9.7M) across 53 Form 4 filings at 4 companies — a net selling position of $9.7M.

Source: SEC EDGAR Form 4

Key Statistics (as of Nov 25, 2025)

Total Form 4 filings
53
SEC EDGAR
Companies
4
Buys (1)
$30.0K
Sells (52)
$9.7M

Insider sentiment

Net selling

Net insider flow of $9.7M in net selling, filed between Jan 9, 2018 – Nov 25, 2025.

Companies Michael Kauffman files for

#CompanyForm 4 filings
1KPTIKaryopharm Therapeutics Inc.49
2VSTMVerastem, Inc.2
3ACETAdicet Bio, Inc.1
4KZRKezar Life Sciences, Inc.1

Recent Michael Kauffman transactions

DateTickerRoleTypeSharesValueFiling
Nov 25, 2025VSTMDirectorSale8.6K$85.5KSEC ↗
Jun 7, 2024ACETDirectorSale5.9K$8.4KSEC ↗
Mar 2, 2022KPTIDirectorSale12.5K$127.5KSEC ↗
Feb 22, 2022KPTIDirectorSale18.2K$220.2KSEC ↗
Feb 9, 2022KPTIDirectorSale13.5K$132.9KSEC ↗
Jan 5, 2022KZRDirectorSale5.0K$82.3KSEC ↗
Mar 23, 2021KPTIChief Executive OfficerSale4.0K$49.6KSEC ↗
Feb 23, 2021KPTIChief Executive OfficerSale19.0K$281.6KSEC ↗
Feb 17, 2021KPTIChief Executive OfficerSale13.2K$205.5KSEC ↗
Oct 14, 2020KPTIChief Executive OfficerSale7.5K$111.7KSEC ↗
Aug 18, 2020KPTIChief Executive OfficerSale1.5K$22.2KSEC ↗
Jul 17, 2020KPTIChief Executive OfficerSale7.5K$145.7KSEC ↗
Jul 13, 2020KPTIChief Executive OfficerSale15.0K$289.0KSEC ↗
Jun 24, 2020KPTIChief Executive OfficerSale7.5K$150.0KSEC ↗
Jun 17, 2020KPTIChief Executive OfficerSale7.5K$122.8KSEC ↗
Jun 11, 2020KPTIChief Executive OfficerSale15.0K$274.7KSEC ↗
May 19, 2020KPTIChief Executive OfficerSale15.0K$289.8KSEC ↗
May 11, 2020KPTIChief Executive OfficerSale15.0K$294.4KSEC ↗
Apr 10, 2020KPTIChief Executive OfficerSale20.0K$392.5KSEC ↗
Mar 11, 2020KPTIChief Executive OfficerSale20.0K$447.4KSEC ↗
Feb 21, 2020KPTIChief Executive OfficerSale17.6K$290.6KSEC ↗
Feb 12, 2020KPTIChief Executive OfficerSale20.0K$343.6KSEC ↗
Jan 10, 2020KPTIChief Executive OfficerSale20.0K$377.6KSEC ↗
Dec 11, 2019KPTIChief Executive OfficerSale20.0K$330.1KSEC ↗
Nov 12, 2019KPTIChief Executive OfficerSale20.0K$293.9KSEC ↗

Showing the 25 most recent filings of 53. Screen every filing.

Michael Kauffman insider trading FAQ

Is Michael Kauffman buying or selling?

Across 53 SEC Form 4 filings, Michael Kauffman reported 1 open-market purchases totaling $30.0K and 52 sales totaling $9.7M — a net selling position of $9.7M.

Which companies does Michael Kauffman file Form 4s for?

Michael Kauffman has reported insider transactions at 4 companies, most often Karyopharm Therapeutics Inc. (KPTI), Verastem, Inc. (VSTM), Adicet Bio, Inc. (ACET), Kezar Life Sciences, Inc. (KZR).

How far back does Michael Kauffman's filing history go?

Trabud holds Michael Kauffman's SEC Form 4 filings from Jan 9, 2018 – Nov 25, 2025, sourced directly from SEC EDGAR.

Where does Trabud get Michael Kauffman'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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