Kauffman Michael
Insider transactions at 4 companies
This page shows all SEC Form 4 filings attributed to Kauffman Michael. Form 4 disclosures are required whenever a corporate insider — director, officer, or 10%+ shareholder — buys, sells, or receives company stock. Each row represents a separate reported transaction. All data is sourced directly from the SEC EDGAR public database.
| Company | Title | Type | Shares | Price | Value | Date |
|---|---|---|---|---|---|---|
| VSTM | Sale | 8,550 | $10.00 | $85,500 | Nov 21, 2025 | |
| VSTM | Award / Grant | 8,333 | — | — | May 22, 2025 | |
| VSTM | Award / Grant | 8,333 | — | — | Jun 18, 2024 | |
| ACET | Award / Grant | 5,900 | — | — | Jun 5, 2024 | |
| ACET | Award / Grant | 5,900 | — | — | Jun 1, 2023 | |
| KPTI | Award / Grant | 21,000 | — | — | Feb 28, 2022 | |
| KPTI | Sale | 9,079 | $12.12 | $110,037 | Feb 17, 2022 | |
| KPTI | Sale | 6,764 | $9.86 | $66,693 | Feb 7, 2022 | |
| KZR | Sale | 5,000 | $16.45 | $82,250 | Jan 3, 2022 | |
| KPTI | Chief Executive Officer | Sale | 4,000 | $12.39 | $49,560 | Mar 18, 2021 |
| KPTI | Chief Executive Officer | Award / Grant | 57,200 | — | — | Feb 25, 2021 |
| KPTI | Chief Executive Officer | Sale | 9,495 | $14.83 | $140,811 | Feb 18, 2021 |
| KPTI | Chief Executive Officer | Option Exercise | 21,800 | — | — | Feb 11, 2021 |
| KPTI | Chief Executive Officer | Option Exercise | 14,300 | — | — | Feb 5, 2021 |
| KPTI | Chief Executive Officer | Option Exercise | 1,424 | $0.03 | $43 | Oct 12, 2020 |
| KPTI | Chief Executive Officer | Sale | 1,477 | $15.00 | $22,155 | Aug 17, 2020 |
| KPTI | Chief Executive Officer | Sale | 7,500 | $19.43 | $145,725 | Jul 15, 2020 |
| KPTI | Chief Executive Officer | Option Exercise | 7,500 | $4.75 | $35,625 | Jul 9, 2020 |
| KPTI | Chief Executive Officer | Option Exercise | 7,500 | $0.03 | $225 | Jun 22, 2020 |
| KPTI | Chief Executive Officer | Option Exercise | 7,143 | $0.03 | $214 | Jun 15, 2020 |
| KPTI | Chief Executive Officer | Sale | 7,500 | $18.13 | $135,975 | Jun 10, 2020 |
| KPTI | Chief Executive Officer | Option Exercise | 7,500 | $0.03 | $225 | May 15, 2020 |
| KPTI | Chief Executive Officer | Sale | 7,500 | $19.63 | $147,225 | May 7, 2020 |
| KPTI | Chief Executive Officer | Sale | 10,000 | $20.64 | $206,400 | Apr 8, 2020 |
| KPTI | Chief Executive Officer | Sale | 2,068 | $22.64 | $46,820 | Mar 9, 2020 |
| KPTI | Chief Executive Officer | Sale | 8,817 | $16.48 | $145,304 | Feb 19, 2020 |
| KPTI | Chief Executive Officer | Option Exercise | 21,800 | — | — | Feb 15, 2020 |
| KPTI | Chief Executive Officer | Option Exercise | 10,000 | $4.75 | $47,500 | Feb 11, 2020 |
| KPTI | Chief Executive Officer | Sale | 10,000 | $18.57 | $185,700 | Jan 9, 2020 |
| KPTI | Chief Executive Officer | Sale | 10,000 | $15.99 | $159,900 | Dec 10, 2019 |
| KPTI | Chief Executive Officer | Sale | 10,000 | $14.63 | $146,300 | Nov 8, 2019 |
| KPTI | Chief Executive Officer | Option Exercise | 10,000 | $4.75 | $47,500 | Nov 1, 2019 |
| KPTI | Chief Executive Officer | Option Exercise | 10,000 | $4.75 | $47,500 | Sep 16, 2019 |
| KPTI | Chief Executive Officer | Sale | 12,500 | $10.23 | $127,875 | Jan 7, 2019 |
| KPTI | Chief Executive Officer | Sale | 12,500 | $10.11 | $126,375 | Dec 7, 2018 |
| KPTI | Chief Executive Officer | Option Exercise | 9,600 | $4.75 | $45,600 | Nov 26, 2018 |
| KPTI | Chief Executive Officer | Option Exercise | 400 | $4.75 | $1,900 | Nov 19, 2018 |
| KPTI | Chief Executive Officer | Option Exercise | 12,500 | $0.03 | $375 | Nov 7, 2018 |
| KPTI | Chief Executive Officer | Sale | 10,000 | $12.63 | $126,300 | Oct 18, 2018 |
| KPTI | Chief Executive Officer | Sale | 6,000 | $16.13 | $96,780 | Oct 8, 2018 |
| VSTM | Award / Grant | 4,000 | — | — | Sep 28, 2018 | |
| KPTI | Chief Executive Officer | Sale | 10,000 | $18.26 | $182,600 | Sep 18, 2018 |
| KPTI | Chief Executive Officer | Sale | 12,500 | $19.31 | $241,375 | Sep 7, 2018 |
| KPTI | Chief Executive Officer | Option Exercise | 10,000 | $4.75 | $47,500 | Aug 20, 2018 |
| KPTI | Chief Executive Officer | Sale | 12,500 | $18.04 | $225,500 | Aug 7, 2018 |
| KPTI | Chief Executive Officer | Sale | 10,000 | $18.27 | $182,700 | Jul 18, 2018 |
| KPTI | Chief Executive Officer | Sale | 12,500 | $18.72 | $234,000 | Jul 9, 2018 |
| KZR | C | 10,516 | — | — | Jun 25, 2018 | |
| KPTI | Chief Executive Officer | Sale | 10,000 | $18.66 | $186,600 | Jun 18, 2018 |
| KPTI | Chief Executive Officer | Option Exercise | 9,697 | $0.26 | $2,521 | Jun 7, 2018 |