Michael Mason

Insider Reports History

Location
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:

Company Role Class Num Shares Value Price $ Report Date Ownership
Karyopharm Therapeutics Inc. EVP, CFO & Treasurer Common 398,756 $478,507 $1.20 01 Mar 2024 Direct
Karyopharm Therapeutics Inc. EVP, CFO & Treasurer Common Stock 391,054 $282,263 $0.7218 04 Sep 2024 Direct

Insider Reports Filed by Michael Mason

Symbol Company Period Transactions Value $ Form Type Role Filing Time
KPTI Karyopharm Therapeutics Inc. 04 Sep 2024 1 -$5,089 4 EVP, CFO & Treasurer 05 Sep 2024, 16:24
KPTI Karyopharm Therapeutics Inc. 04 Jun 2024 1 -$645 4 EVP, CFO & Treasurer 06 Jun 2024, 16:03
KPTI Karyopharm Therapeutics Inc. 29 Feb 2024 2 -$39,788 4 EVP, CFO & Treasurer 04 Mar 2024, 19:39
KPTI Karyopharm Therapeutics Inc. 27 Feb 2024 2 -$3,369 4 EVP, CFO & Treasurer 29 Feb 2024, 17:35
KPTI Karyopharm Therapeutics Inc. 06 Feb 2024 1 -$6,671 4 EVP, CFO & Treasurer 08 Feb 2024, 16:36
KPTI Karyopharm Therapeutics Inc. 24 Jan 2024 1 $0 4 EVP, CFO & Treasurer 25 Jan 2024, 18:47
KPTI Karyopharm Therapeutics Inc. 01 Sep 2023 1 -$9,203 4 EVP, CFO & Treasurer 05 Sep 2023, 17:30
KPTI Karyopharm Therapeutics Inc. 02 Jun 2023 1 -$1,401 4 EVP, CFO & Treasurer 05 Jun 2023, 16:10
KPTI Karyopharm Therapeutics Inc. 28 Feb 2023 2 -$33,942 4 EVP, CFO & Treasurer 02 Mar 2023, 16:30
KPTI Karyopharm Therapeutics Inc. 27 Feb 2023 1 -$8,509 4 EVP, CFO & Treasurer 01 Mar 2023, 15:05
KPTI Karyopharm Therapeutics Inc. 06 Feb 2023 1 -$14,079 4 EVP, CFO & Treasurer 08 Feb 2023, 15:11
KPTI Karyopharm Therapeutics Inc. 31 Aug 2022 2 $0 4 EVP, CFO & Treasurer 01 Sep 2022, 20:59
KPTI Karyopharm Therapeutics Inc. 03 Jun 2022 2 -$3,630 4 EVP, CFO, Treasurer 06 Jun 2022, 17:40
KPTI Karyopharm Therapeutics Inc. 28 Feb 2022 3 -$24,550 4 EVP, CFO & Treasurer 02 Mar 2022, 14:33
KPTI Karyopharm Therapeutics Inc. 07 Feb 2022 1 -$38,925 4 EVP, CFO & Treasurer 09 Feb 2022, 16:25
KPTI Karyopharm Therapeutics Inc. 01 Jun 2021 2 $0 4 EVP, CFO, Treasurer 01 Jun 2021, 17:53