Michael Mason

Date	Company	Security	Transaction	Code	Indirect	10b5-1	$Price	#Shares	$Value	#Remaining
4 Sep 24	KPTI Karyopharm Therapeutics	Common Stock	Sell	Dispose S	No	No	0.7218	7,050	5.09 k	391,054
4 Jun 24	KPTI Karyopharm Therapeutics	Common Stock	Sell	Dispose S	No	No	0.99	652	645.48	398,104
1 Mar 24	KPTI Karyopharm Therapeutics	Common Stock	Sell	Dispose S	No	No	1.2	6,162	7.39 k	398,756
29 Feb 24	KPTI Karyopharm Therapeutics	Common Stock	Sell	Dispose S	No	No	1.17	27,687	32.39 k	404,918
28 Feb 24	KPTI Karyopharm Therapeutics	Common Stock	Grant	Acquire A	No	No	0	188,205	0.00	432,605
27 Feb 24	KPTI Karyopharm Therapeutics	Common Stock	Sell	Dispose S	No	No	1.3238	2,545	3.37 k	244,400
6 Feb 24	KPTI Karyopharm Therapeutics	Common Stock	Sell	Dispose S	No	No	1.5865	4,205	6.67 k	246,945

Data from 3, 4 and 5 filings. Values as filed, not updated for current price.