Mason Michael has filed 14 insider transactions across 1 company since February 2023.
Most recent transaction: a sale of 7050 shares of Karyopharm Therapeutics Inc. ($KPTI) on September 04, 2024.
Activity breakdown: 0 open-market purchases and 11 sales.
| Transaction Date | Company | Ticker | Insider Name | Title | Transaction Type | Security | Shares | Price | Shares Owned Following | Total Shares Outstanding | % of Owned | % of Outstanding |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Sept. 4, 2024 | Karyopharm Therapeutics Inc. | $KPTI | Mason Michael | EVP, CFO & Treasurer | S | Common Stock | 7050 | $0.72 | 391,054.0000 | 0 | 1.77% | 0.00% |
| June 4, 2024 | Karyopharm Therapeutics Inc. | $KPTI | Mason Michael | EVP, CFO & Treasurer | S | Common Stock | 652 | $0.99 | 398,104.0000 | 0 | 0.16% | 0.00% |
| Feb. 29, 2024 | Karyopharm Therapeutics Inc. | $KPTI | Mason Michael | EVP, CFO & Treasurer | S | Common | 27687 | $1.17 | 404,918.0000 | 0 | 6.40% | 0.00% |
| March 1, 2024 | Karyopharm Therapeutics Inc. | $KPTI | Mason Michael | EVP, CFO & Treasurer | S | Common | 6162 | $1.20 | 398,756.0000 | 0 | 1.52% | 0.00% |
| Feb. 27, 2024 | Karyopharm Therapeutics Inc. | $KPTI | Mason Michael | EVP, CFO & Treasurer | S | Common Stock | 2545 | $1.32 | 244,400.0000 | 0 | 1.03% | 0.00% |
| Feb. 28, 2024 | Karyopharm Therapeutics Inc. | $KPTI | Mason Michael | EVP, CFO & Treasurer | A | Common Stock | 188205 | $0.00 | 432,605.0000 | 0 | 77.01% | 0.00% |
| Feb. 6, 2024 | Karyopharm Therapeutics Inc. | $KPTI | Mason Michael | EVP, CFO & Treasurer | S | Common Stock | 4205 | $1.59 | 246,945.0000 | 0 | 1.67% | 0.00% |
| Jan. 24, 2024 | Karyopharm Therapeutics Inc. | $KPTI | Mason Michael | EVP, CFO & Treasurer | A | Common Stock | 13333 | $0.00 | 251,150.0000 | 0 | 5.61% | 0.00% |
| Sept. 1, 2023 | Karyopharm Therapeutics Inc. | $KPTI | Mason Michael | EVP, CFO & Treasurer | S | Common Stock | 6913 | $1.33 | 237,817.0000 | 0 | 2.82% | 0.00% |
| June 2, 2023 | Karyopharm Therapeutics Inc. | $KPTI | Mason Michael | EVP, CFO & Treasurer | S | Common Stock | 631 | $2.22 | 244,730.0000 | 0 | 0.26% | 0.00% |
| Feb. 28, 2023 | Karyopharm Therapeutics Inc. | $KPTI | Mason Michael | EVP, CFO & Treasurer | A | Common Stock | 95000 | $0.00 | 256,566.0000 | 0 | 58.80% | 0.00% |
| March 1, 2023 | Karyopharm Therapeutics Inc. | $KPTI | Mason Michael | EVP, CFO & Treasurer | S | Common Stock | 11205 | $3.03 | 245,361.0000 | 0 | 4.37% | 0.00% |
| Feb. 27, 2023 | Karyopharm Therapeutics Inc. | $KPTI | Mason Michael | EVP, CFO & Treasurer | S | Common Stock | 2802 | $3.04 | 161,566.0000 | 0 | 1.70% | 0.00% |
| Feb. 6, 2023 | Karyopharm Therapeutics Inc. | $KPTI | Mason Michael | EVP, CFO & Treasurer | S | Common Stock | 4141 | $3.40 | 164,368.0000 | 0 | 2.46% | 0.00% |