Insider · CIK 0001514291

Mason Michael

Reports to the SEC for 2 companies · CAMBRIDGE, MA

sec.gov

Transactions

Companies

Filings

CIK

0001514291

Forms 4 and 5

Insider transactions

50 trades

Date	Company	Role	Code	Shares	Price	Value	Shares after
2024-09-04	KPTIKaryopharm Therapeutics Inc.S Sale	EVP, CFO & Treasurer	SSale	−7,050 sh	$0.72	−$5,088.69	391,054
2024-06-04	KPTIKaryopharm Therapeutics Inc.S Sale	EVP, CFO & Treasurer	SSale	−652 sh	$0.99	−$645.48	398,104
2024-03-01	KPTIKaryopharm Therapeutics Inc.S Sale	EVP, CFO & Treasurer	SSale	−6,162 sh	$1.20	−$7,394.4	398,756
2024-02-29	KPTIKaryopharm Therapeutics Inc.S Sale	EVP, CFO & Treasurer	SSale	−27.7K sh	$1.17	−$32.4K	404,918
2024-02-28	KPTIKaryopharm Therapeutics Inc.A Award	EVP, CFO & Treasurer	AAward	+188K sh	—	—	432,605
2024-02-27	KPTIKaryopharm Therapeutics Inc.S Sale	EVP, CFO & Treasurer	SSale	−2,545 sh	$1.32	−$3,369.071	244,400
2024-02-06	KPTIKaryopharm Therapeutics Inc.S Sale	EVP, CFO & Treasurer	SSale	−4,205 sh	$1.59	−$6,671.233	246,945
2024-01-24	KPTIKaryopharm Therapeutics Inc.A Award	EVP, CFO & Treasurer	AAward	+13.3K sh	—	—	251,150
2023-09-01	KPTIKaryopharm Therapeutics Inc.S Sale	EVP, CFO & Treasurer	SSale	−6,913 sh	$1.33	−$9,203.277	237,817
2023-06-02	KPTIKaryopharm Therapeutics Inc.S Sale	EVP, CFO & Treasurer	SSale	−631 sh	$2.22	−$1,400.82	244,730
2023-03-01	KPTIKaryopharm Therapeutics Inc.S Sale	EVP, CFO & Treasurer	SSale	−11.2K sh	$3.03	−$33.9K	245,361
2023-02-28	KPTIKaryopharm Therapeutics Inc.A Award	EVP, CFO & Treasurer	AAward	+95K sh	—	—	256,566
2023-02-27	KPTIKaryopharm Therapeutics Inc.S Sale	EVP, CFO & Treasurer	SSale	−2,802 sh	$3.04	−$8,509.114	161,566
2023-02-06	KPTIKaryopharm Therapeutics Inc.S Sale	EVP, CFO & Treasurer	SSale	−4,141 sh	$3.40	−$14.1K	164,368
2022-08-31	KPTIKaryopharm Therapeutics Inc.A Award	EVP, CFO & Treasurer	AAward	+30K sh	—	—	168,509
2022-08-31	KPTIKaryopharm Therapeutics Inc. · Stock Option (right to buy)A Award	EVP, CFO & Treasurer	AAward	+45K sh	—	—	45,000
2022-06-03	KPTIKaryopharm Therapeutics Inc.S Sale	EVP, CFO & Treasurer	SSale	−598 sh	$6.04	−$3,611.92	138,512
2022-06-03	KPTIKaryopharm Therapeutics Inc.S Sale	EVP, CFO & Treasurer	SSale	−3 sh	$6.07	−$18.201	138,509
2022-02-28	KPTIKaryopharm Therapeutics Inc.A Award	EVP, CFO & Treasurer	AAward	+88.2K sh	—	—	141,508
2022-02-28	KPTIKaryopharm Therapeutics Inc.S Sale	EVP, CFO & Treasurer	SSale	−2,398 sh	$10.24	−$24.5K	139,110
2022-02-28	KPTIKaryopharm Therapeutics Inc. · Stock Option (right to buy)A Award	EVP, CFO & Treasurer	AAward	+112K sh	—	—	111,600
2022-02-07	KPTIKaryopharm Therapeutics Inc.S Sale	EVP, CFO & Treasurer	SSale	−3,947 sh	$9.86	−$38.9K	53,308
2021-06-01	KPTIKaryopharm Therapeutics Inc.A Award	EVP, CFO & Treasurer	AAward	+5,500 sh	—	—	57,255
2021-06-01	KPTIKaryopharm Therapeutics Inc. · Stock Option (right to buy)A Award	EVP, CFO & Treasurer	AAward	+15K sh	—	—	15,000
2021-02-25	KPTIKaryopharm Therapeutics Inc.A Award	EVP, CFO & Treasurer	AAward	+22K sh	—	—	51,755
2021-02-25	KPTIKaryopharm Therapeutics Inc. · Stock Option (right to buy)A Award	EVP, CFO & Treasurer	AAward	+60K sh	—	—	59,968
2021-02-11	KPTIKaryopharm Therapeutics Inc.S Sale	EVP, CFO & Treasurer	SSale	−2,858 sh	$15.52	−$44.4K	5,292
2021-02-05	KPTIKaryopharm Therapeutics Inc.M Exercise/Conversion	EVP, CFO & Treasurer	MExercise/Conversion	+8,150 sh	—	—	8,150
2021-02-05	KPTIKaryopharm Therapeutics Inc. · Restricted Stock UnitsM Exercise/Conversion	EVP, CFO & Treasurer	MExercise/Conversion	−8,150 sh	—	—	24,450
2020-02-05	KPTIKaryopharm Therapeutics Inc. · Stock Option (right to buy)A Award	EVP, CFO & Treasurer	AAward	+87.6K sh	—	—	87,600
2020-02-05	KPTIKaryopharm Therapeutics Inc. · Restricted Stock UnitsA Award	EVP, CFO & Treasurer	AAward	+32.6K sh	—	—	32,600
2019-02-25	KPTIKaryopharm Therapeutics Inc. · Nonstatutory Stock Option (right to buy)A Award	EVP, CFO & Treasurer	AAward	+150K sh	—	—	150,000
2018-09-27	ALNYALNYLAM PHARMACEUTICALS, INC. · Performance Stock Option 2015 (right to buy)A Award	VP, Finance and Treasurer	AAward	+1,800 sh	—	—	5,400
2018-09-27	ALNYALNYLAM PHARMACEUTICALS, INC. · Performance Stock Option 2016 (right to buy)A Award	VP, Finance and Treasurer	AAward	+1,387 sh	—	—	2,775
2018-08-21	ALNYALNYLAM PHARMACEUTICALS, INC. · Performance Stock Option 2015 (right to buy)A Award	VP, Finance and Treasurer	AAward	+1,800 sh	—	—	3,600
2018-08-13	ALNYALNYLAM PHARMACEUTICALS, INC.A Award	VP, Finance and Treasurer	AAward	+1,012 sh	—	—	1,012
2018-08-13	ALNYALNYLAM PHARMACEUTICALS, INC.F Tax Payment	VP, Finance and Treasurer	FTax Payment	−449 sh	$90.95	−$40.8K	563
2018-08-10	ALNYALNYLAM PHARMACEUTICALS, INC. · Performance Stock Option 2013 (right to buy)A Award	VP, Finance and Treasurer	AAward	+1,666 sh	—	—	1,666
2018-08-10	ALNYALNYLAM PHARMACEUTICALS, INC. · Performance Stock Option 2014 (right to buy)A Award	VP, Finance and Treasurer	AAward	+2,750 sh	—	—	2,750
2018-07-10	ALNYALNYLAM PHARMACEUTICALS, INC.J Other	VP, Finance and Treasurer	JOther	+23 sh	—	—	276
2018-04-16	ALNYALNYLAM PHARMACEUTICALS, INC.J Other	VP, Finance and Treasurer	JOther	+22 sh	—	—	253
2018-03-01	ALNYALNYLAM PHARMACEUTICALS, INC. · Stock Option (right to buy)A Award	VP, Finance and Treasurer	AAward	+4,000 sh	—	—	4,000
2018-01-17	ALNYALNYLAM PHARMACEUTICALS, INC.J Other	VP, Finance and Treasurer	JOther	+5 sh	—	—	231
2017-12-30	ALNYALNYLAM PHARMACEUTICALS, INC.M Exercise/Conversion	VP, Finance and Treasurer	MExercise/Conversion	+8,502 sh	—	—	8,502
2017-12-30	ALNYALNYLAM PHARMACEUTICALS, INC.F Tax Payment	VP, Finance and Treasurer	FTax Payment	−3,538 sh	$127.05	−$450K	4,964
2017-12-30	ALNYALNYLAM PHARMACEUTICALS, INC. · Restricted Stock UnitM Exercise/Conversion	VP, Finance and Treasurer	MExercise/Conversion	−8,502 sh	—	—	0
2017-12-20	ALNYALNYLAM PHARMACEUTICALS, INC. · Performance Stock Option 2016 (right to buy)A Award	VP, Finance and Treasurer	AAward	+1,388 sh	—	—	1,388
2017-11-06	ALNYALNYLAM PHARMACEUTICALS, INC. · Performance Stock Option 2015 (right to buy)A Award	VP, Finance and Treasurer	AAward	+1,800 sh	—	—	1,800
2017-09-22	ALNYALNYLAM PHARMACEUTICALS, INC.I Discretionary Transaction	VP, Finance and Treasurer	IDiscretionary Transaction	−1,950 sh	$115.47	−$225K	226
2017-09-20	ALNYALNYLAM PHARMACEUTICALS, INC. · Performance Stock Option 2013 (right to buy)A Award	VP, Finance and Treasurer	AAward	+1,667 sh	—	—	1,667

Recent filings

Accepted (ET)
Sep 54
Mason Michael0000950170-24-104031
SEC(opens sec.gov)
Jun 64
Mason Michael0000950170-24-069860
SEC(opens sec.gov)
Mar 44
Mason Michael0000950170-24-025191
SEC(opens sec.gov)
Feb 294
Mason Michael0000950170-24-023292
SEC(opens sec.gov)
Feb 84
Mason Michael0000950170-24-012832
SEC(opens sec.gov)
Jan 254
Mason Michael0000950170-24-007588
SEC(opens sec.gov)
Sep 54
Mason Michael0001209191-23-048162
SEC(opens sec.gov)
Jun 54
Mason Michael0001209191-23-034262
SEC(opens sec.gov)
Mar 24
Mason Michael0001209191-23-014843
SEC(opens sec.gov)
Mar 14
Mason Michael0001209191-23-014078
SEC(opens sec.gov)
Feb 84
Mason Michael0001209191-23-007775
SEC(opens sec.gov)
Sep 14
Mason Michael0001209191-22-048394
SEC(opens sec.gov)
Jun 64
Mason Michael0000899243-22-021234
SEC(opens sec.gov)
Mar 24
Mason Michael0001209191-22-014628
SEC(opens sec.gov)

Companies

Address

300 THIRD STREET

CAMBRIDGE, MA, 02142