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 Trabud Research Team · SEC Form 4 & insider trading data analysts
Last updated:
Quick Answer
Is Michael Kauffman buying or selling?
Michael Kauffman reported 1 open-market buys ($30.0K) and 50 sells ($9.5M) across 51 Form 4 filings at 4 companies — a net selling position of $9.5M.
Source: SEC EDGAR Form 4
Key Statistics (as of Nov 25, 2025)
Total Form 4 filings
51
SEC EDGAR
Companies
4
Buys (1)
$30.0K
Sells (50)
$9.5M
Insider sentiment
Net sellingNet insider flow of $9.5M in net selling, filed between Feb 8, 2018 – Nov 25, 2025.
Companies Michael Kauffman files for
Recent Michael Kauffman transactions
| Date | Ticker | Role | Type | Shares | Value |
|---|---|---|---|---|---|
| Nov 25, 2025 | VSTM | Director | Sale | 8.6K | $85.5K |
| Jun 7, 2024 | ACET | Director | Sale | 5.9K | $8.4K |
| Mar 2, 2022 | KPTI | Director | Sale | 12.5K | $127.5K |
| Feb 22, 2022 | KPTI | Director | Sale | 18.2K | $220.2K |
| Feb 9, 2022 | KPTI | Director | Sale | 13.5K | $132.9K |
| Jan 5, 2022 | KZR | Director | Sale | 5.0K | $82.3K |
| Mar 23, 2021 | KPTI | Chief Executive Officer | Sale | 4.0K | $49.6K |
| Feb 23, 2021 | KPTI | Chief Executive Officer | Sale | 19.0K | $281.6K |
| Feb 17, 2021 | KPTI | Chief Executive Officer | Sale | 13.2K | $205.5K |
| Oct 14, 2020 | KPTI | Chief Executive Officer | Sale | 7.5K | $111.7K |
| Aug 18, 2020 | KPTI | Chief Executive Officer | Sale | 1.5K | $22.2K |
| Jul 17, 2020 | KPTI | Chief Executive Officer | Sale | 7.5K | $145.7K |
| Jul 13, 2020 | KPTI | Chief Executive Officer | Sale | 15.0K | $289.0K |
| Jun 24, 2020 | KPTI | Chief Executive Officer | Sale | 7.5K | $150.0K |
| Jun 17, 2020 | KPTI | Chief Executive Officer | Sale | 7.5K | $122.8K |
| Jun 11, 2020 | KPTI | Chief Executive Officer | Sale | 15.0K | $274.7K |
| May 19, 2020 | KPTI | Chief Executive Officer | Sale | 15.0K | $289.8K |
| May 11, 2020 | KPTI | Chief Executive Officer | Sale | 15.0K | $294.4K |
| Apr 10, 2020 | KPTI | Chief Executive Officer | Sale | 20.0K | $392.5K |
| Mar 11, 2020 | KPTI | Chief Executive Officer | Sale | 20.0K | $447.4K |
| Feb 21, 2020 | KPTI | Chief Executive Officer | Sale | 17.6K | $290.6K |
| Feb 12, 2020 | KPTI | Chief Executive Officer | Sale | 20.0K | $343.6K |
| Jan 10, 2020 | KPTI | Chief Executive Officer | Sale | 20.0K | $377.6K |
| Dec 11, 2019 | KPTI | Chief Executive Officer | Sale | 20.0K | $330.1K |
| Nov 12, 2019 | KPTI | Chief Executive Officer | Sale | 20.0K | $293.9K |
Showing the 25 most recent filings of 51. Screen every filing.
Michael Kauffman insider trading FAQ
Is Michael Kauffman buying or selling?
Across 51 SEC Form 4 filings, Michael Kauffman reported 1 open-market purchases totaling $30.0K and 50 sales totaling $9.5M — a net selling position of $9.5M.
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 Feb 8, 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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