Michael Mason

Insider Reports History

Entity
Individual
Location
300 3 Rd Street, Cambridge, MA
Signature
/s/Nancy Smith as Attorney-in-Fact for Michael Mason
All insider transactions
Transactions in reports broken out by “transaction date” reported in original SEC filing, see here for transactions aggregated across transaction date

Holdings reported by Michael Mason:

Stock Role Class Num Shares Value Price $ Report Date Ownership
Karyopharm Therapeutics Inc. EVP, CFO & Treasurer Common 399K $479K $1.20 Mar 1, 2024 Direct
Karyopharm Therapeutics Inc. EVP, CFO & Treasurer Common Stock 391K $282K $0.72 Sep 4, 2024 Direct

Insider Reports Filed by Michael Mason

Symbol Company Period Transactions Value $ Form Type Date Filed Role
KPTI Karyopharm Therapeutics Inc. Sep 4, 2024 1 -$5.09K 4 Sep 5, 2024 EVP, CFO & Treasurer
KPTI Karyopharm Therapeutics Inc. Jun 4, 2024 1 -$645 4 Jun 6, 2024 EVP, CFO & Treasurer
KPTI Karyopharm Therapeutics Inc. Feb 29, 2024 2 -$39.8K 4 Mar 4, 2024 EVP, CFO & Treasurer
KPTI Karyopharm Therapeutics Inc. Feb 27, 2024 2 -$3.37K 4 Feb 29, 2024 EVP, CFO & Treasurer
KPTI Karyopharm Therapeutics Inc. Feb 6, 2024 1 -$6.67K 4 Feb 8, 2024 EVP, CFO & Treasurer
KPTI Karyopharm Therapeutics Inc. Jan 24, 2024 1 $0 4 Jan 25, 2024 EVP, CFO & Treasurer
KPTI Karyopharm Therapeutics Inc. Sep 1, 2023 1 -$9.2K 4 Sep 5, 2023 EVP, CFO & Treasurer
KPTI Karyopharm Therapeutics Inc. Jun 2, 2023 1 -$1.4K 4 Jun 5, 2023 EVP, CFO & Treasurer
KPTI Karyopharm Therapeutics Inc. Feb 28, 2023 2 -$33.9K 4 Mar 2, 2023 EVP, CFO & Treasurer
KPTI Karyopharm Therapeutics Inc. Feb 27, 2023 1 -$8.51K 4 Mar 1, 2023 EVP, CFO & Treasurer
KPTI Karyopharm Therapeutics Inc. Feb 6, 2023 1 -$14.1K 4 Feb 8, 2023 EVP, CFO & Treasurer
KPTI Karyopharm Therapeutics Inc. Aug 31, 2022 2 $0 4 Sep 1, 2022 EVP, CFO & Treasurer
KPTI Karyopharm Therapeutics Inc. Jun 3, 2022 2 -$3.63K 4 Jun 6, 2022 EVP, CFO, Treasurer
KPTI Karyopharm Therapeutics Inc. Feb 28, 2022 3 -$24.5K 4 Mar 2, 2022 EVP, CFO & Treasurer
KPTI Karyopharm Therapeutics Inc. Feb 7, 2022 1 -$38.9K 4 Feb 9, 2022 EVP, CFO & Treasurer
KPTI Karyopharm Therapeutics Inc. Jun 1, 2021 2 $0 4 Jun 1, 2021 EVP, CFO, Treasurer