Paulson Richard A., President and CEO of Karyopharm Therapeutics Inc. ($KPTI), sold shares on the open market four times in the last year, totaling about $127,000. His most recent sale occurred on March 2, 2026. These sales rank 9,222nd among nearly 12,000 individual insiders, far below the average of $8.6 million per seller and 6.4 transactions. He made no open market purchases in the period.
| Transaction Date | Company | Ticker | Insider Name | Title | Transaction Type | Security | Shares | Price | Shares Owned Following | Total Shares Outstanding | % of Owned | % of Outstanding |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| March 2, 2026 | Karyopharm Therapeutics Inc. | $KPTI | Paulson Richard A. | President and CEO | S | Common Stock | 12361 | $9.41 | 267,030.0000 | 18,343,968 | 4.42% | 0.07% |
| Feb. 5, 2026 | Karyopharm Therapeutics Inc. | $KPTI | Paulson Richard A. | President and CEO | A | Common Stock | 81060 | $0.00 | 279,391.0000 | 17,050,876,000 | 40.87% | 0.00% |
| Oct. 15, 2025 | Karyopharm Therapeutics Inc. | $KPTI | Paulson Richard A. | President and CEO | A | Common Stock | 114285 | $0.00 | 198,331.0000 | 126,240,054 | 135.98% | 0.09% |
| Sept. 15, 2025 | Karyopharm Therapeutics Inc. | $KPTI | Paulson Richard A. | President and CEO | S | Common Stock | 1257 | $6.43 | 84,046.0000 | 126,240,054 | 1.47% | 0.00% |
| Sept. 12, 2025 | Karyopharm Therapeutics Inc. | $KPTI | Paulson Richard A. | President and CEO | A | Common Stock | 2800 | $0.00 | 85,303.0000 | 126,240,054 | 3.39% | 0.00% |
| May 6, 2025 | Karyopharm Therapeutics Inc. | $KPTI | Paulson Richard A. | President and CEO | S | Common Stock | 236 | $7.12 | 82,503.0000 | 126,240,054 | 0.29% | 0.00% |
| April 4, 2025 | Karyopharm Therapeutics Inc. | $KPTI | Paulson Richard A. | President and CEO | S | Common Stock | 245 | $3.74 | 82,739.0000 | 126,240,054 | 0.30% | 0.00% |
| March 4, 2025 | Karyopharm Therapeutics Inc. | $KPTI | Paulson Richard A. | President and CEO | S | Common Stock | 11694 | $6.29 | 82,984.0000 | 126,240,054 | 12.35% | 0.01% |
| Feb. 28, 2025 | Karyopharm Therapeutics Inc. | $KPTI | Paulson Richard A. | President and CEO | A | Common Stock | 20000 | $0.00 | 94,678.0000 | 126,240,054 | 26.78% | 0.02% |
| Feb. 28, 2025 | Karyopharm Therapeutics Inc. | $KPTI | Paulson Richard A. | President and CEO | A | Stock Option (right to buy) | 40000 | $0.00 | 40,000.0000 | 126,240,054 | 9999.99% | 0.03% |
| Feb. 4, 2025 | Karyopharm Therapeutics Inc. | $KPTI | Paulson Richard A. | President and CEO | S | Common Stock | 4099 | $0.65 | 1,120,158.0000 | 0 | 0.36% | 0.00% |
| Jan. 6, 2025 | Karyopharm Therapeutics Inc. | $KPTI | Paulson Richard A. | President and CEO | S | Common Stock | 4055 | $0.78 | 1,124,257.0000 | 0 | 0.36% | 0.00% |
| Dec. 4, 2024 | Karyopharm Therapeutics Inc. | $KPTI | Paulson Richard A. | President and CEO | S | Common Stock | 3620 | $0.81 | 1,128,312.0000 | 0 | 0.32% | 0.00% |
| Nov. 5, 2024 | Karyopharm Therapeutics Inc. | $KPTI | Paulson Richard A. | President and CEO | S | Common Stock | 3675 | $0.91 | 1,131,932.0000 | 0 | 0.32% | 0.00% |
| Oct. 4, 2024 | Karyopharm Therapeutics Inc. | $KPTI | Paulson Richard A. | President and CEO | S | Common Stock | 3607 | $0.88 | 1,135,607.0000 | 0 | 0.32% | 0.00% |
| Sept. 4, 2024 | Karyopharm Therapeutics Inc. | $KPTI | Paulson Richard A. | President and CEO | S | Common Stock | 3667 | $0.72 | 1,139,214.0000 | 0 | 0.32% | 0.00% |
| Aug. 6, 2024 | Karyopharm Therapeutics Inc. | $KPTI | Paulson Richard A. | President and CEO | S | Common Stock | 3608 | $0.93 | 1,142,881.0000 | 0 | 0.31% | 0.00% |
| July 5, 2024 | Karyopharm Therapeutics Inc. | $KPTI | Paulson Richard A. | President and CEO | S | Common Stock | 3616 | $0.85 | 1,146,489.0000 | 0 | 0.31% | 0.00% |
| June 4, 2024 | Karyopharm Therapeutics Inc. | $KPTI | Paulson Richard A. | President and CEO | S | Common Stock | 3592 | $0.99 | 1,150,105.0000 | 0 | 0.31% | 0.00% |
| May 6, 2024 | Karyopharm Therapeutics Inc. | $KPTI | Paulson Richard A. | President and CEO | S | Common Stock | 3576 | $1.13 | 1,153,697.0000 | 0 | 0.31% | 0.00% |
| April 4, 2024 | Karyopharm Therapeutics Inc. | $KPTI | Paulson Richard A. | President and CEO | S | Common Stock | 3563 | $1.29 | 1,157,273.0000 | 0 | 0.31% | 0.00% |
| March 5, 2024 | Karyopharm Therapeutics Inc. | $KPTI | Paulson Richard A. | President and CEO | S | Common Stock | 3573 | $1.30 | 1,160,836.0000 | 0 | 0.31% | 0.00% |
| March 1, 2024 | Karyopharm Therapeutics Inc. | $KPTI | Paulson Richard A. | President and CEO | S | Common | 19374 | $1.20 | 1,164,409.0000 | 0 | 1.64% | 0.00% |
| Feb. 29, 2024 | Karyopharm Therapeutics Inc. | $KPTI | Paulson Richard A. | President and CEO | S | Common | 80470 | $1.17 | 1,183,783.0000 | 0 | 6.37% | 0.00% |
| Feb. 28, 2024 | Karyopharm Therapeutics Inc. | $KPTI | Paulson Richard A. | President and CEO | A | Common Stock | 442800 | $0.00 | 1,264,253.0000 | 0 | 53.90% | 0.00% |
| Feb. 6, 2024 | Karyopharm Therapeutics Inc. | $KPTI | Paulson Richard A. | President and CEO | S | Common Stock | 4012 | $1.59 | 821,453.0000 | 0 | 0.49% | 0.00% |
| Jan. 24, 2024 | Karyopharm Therapeutics Inc. | $KPTI | Paulson Richard A. | President and CEO | A | Common Stock | 42000 | $0.00 | 825,465.0000 | 0 | 5.36% | 0.00% |
| Jan. 4, 2024 | Karyopharm Therapeutics Inc. | $KPTI | Paulson Richard A. | President and CEO | S | Common Stock | 4114 | $0.82 | 783,465.0000 | 0 | 0.52% | 0.00% |
| Dec. 4, 2023 | Karyopharm Therapeutics Inc. | $KPTI | Paulson Richard A. | President and CEO | S | Common Stock | 3622 | $0.79 | 787,579.0000 | 0 | 0.46% | 0.00% |
| Nov. 6, 2023 | Karyopharm Therapeutics Inc. | $KPTI | Paulson Richard A. | President and CEO | S | Common Stock | 3606 | $0.92 | 791,201.0000 | 0 | 0.45% | 0.00% |
| Oct. 4, 2023 | Karyopharm Therapeutics Inc. | $KPTI | Paulson Richard A. | President and CEO | S | Common Stock | 3589 | $1.27 | 794,807.0000 | 0 | 0.45% | 0.00% |
| Sept. 5, 2023 | Karyopharm Therapeutics Inc. | $KPTI | Paulson Richard A. | President and CEO | S | Common Stock | 64 | $1.32 | 798,396.0000 | 0 | 0.01% | 0.00% |
| Sept. 5, 2023 | Karyopharm Therapeutics Inc. | $KPTI | Paulson Richard A. | President and CEO | S | Common Stock | 3558 | $1.33 | 798,460.0000 | 0 | 0.44% | 0.00% |
| Aug. 7, 2023 | Karyopharm Therapeutics Inc. | $KPTI | Paulson Richard A. | President and CEO | S | Common Stock | 3722 | $1.72 | 802,018.0000 | 0 | 0.46% | 0.00% |
| July 5, 2023 | Karyopharm Therapeutics Inc. | $KPTI | Paulson Richard A. | President and CEO | S | Common Stock | 3538 | $1.72 | 805,740.0000 | 0 | 0.44% | 0.00% |
| June 5, 2023 | Karyopharm Therapeutics Inc. | $KPTI | Paulson Richard A. | President and CEO | S | Common Stock | 3536 | $2.24 | 809,278.0000 | 0 | 0.44% | 0.00% |
| May 4, 2023 | Karyopharm Therapeutics Inc. | $KPTI | Paulson Richard A. | President and CEO | S | Common Stock | 3805 | $3.35 | 812,814.0000 | 0 | 0.47% | 0.00% |
| April 4, 2023 | Karyopharm Therapeutics Inc. | $KPTI | Paulson Richard A. | President and CEO | S | Common Stock | 3497 | $3.97 | 816,619.0000 | 0 | 0.43% | 0.00% |
| March 6, 2023 | Karyopharm Therapeutics Inc. | $KPTI | Paulson Richard A. | President and CEO | S | Common Stock | 3506 | $3.16 | 820,116.0000 | 0 | 0.43% | 0.00% |
| Feb. 28, 2023 | Karyopharm Therapeutics Inc. | $KPTI | Paulson Richard A. | President and CEO | A | Common Stock | 252000 | $0.00 | 856,655.0000 | 0 | 41.68% | 0.00% |
| March 1, 2023 | Karyopharm Therapeutics Inc. | $KPTI | Paulson Richard A. | President and CEO | S | Common Stock | 33033 | $3.03 | 823,622.0000 | 0 | 3.86% | 0.00% |
| Feb. 6, 2023 | Karyopharm Therapeutics Inc. | $KPTI | Paulson Richard A. | President and CEO | S | Common Stock | 3950 | $3.40 | 604,655.0000 | 0 | 0.65% | 0.00% |
| Jan. 4, 2023 | Karyopharm Therapeutics Inc. | $KPTI | Paulson Richard A. | President and CEO | S | Common Stock | 3922 | $3.27 | 608,605.0000 | 0 | 0.64% | 0.00% |