Mason Michael

CIK 00015142912 companiesCAMBRIDGE, MA

SEC Profile

Transactions

Companies

Filings

CIK

0001514291

Recent Transactions

50 trades

Sale
Karyopharm Therapeutics Inc.$KPTI
Common Stock
2024-09-04$0.72/sh−7,050→ 391,054 total
Sale
Karyopharm Therapeutics Inc.$KPTI
Common Stock
2024-06-04$0.99/sh−652→ 398,104 total
Sale
Karyopharm Therapeutics Inc.$KPTI
Common
2024-03-01$1.20/sh−6,162→ 398,756 total
Sale
Karyopharm Therapeutics Inc.$KPTI
Common
2024-02-29$1.17/sh−27,687→ 404,918 total
Award
Karyopharm Therapeutics Inc.$KPTI
Common Stock
2024-02-28+188,205→ 432,605 total
Sale
Karyopharm Therapeutics Inc.$KPTI
Common Stock
2024-02-27$1.32/sh−2,545→ 244,400 total
Sale
Karyopharm Therapeutics Inc.$KPTI
Common Stock
2024-02-06$1.59/sh−4,205→ 246,945 total
Award
Karyopharm Therapeutics Inc.$KPTI
Common Stock
2024-01-24+13,333→ 251,150 total
Sale
Karyopharm Therapeutics Inc.$KPTI
Common Stock
2023-09-01$1.33/sh−6,913→ 237,817 total
Sale
Karyopharm Therapeutics Inc.$KPTI
Common Stock
2023-06-02$2.22/sh−631→ 244,730 total
Sale
Karyopharm Therapeutics Inc.$KPTI
Common Stock
2023-03-01$3.03/sh−11,205→ 245,361 total
Award
Karyopharm Therapeutics Inc.$KPTI
Common Stock
2023-02-28+95,000→ 256,566 total
Sale
Karyopharm Therapeutics Inc.$KPTI
Common Stock
2023-02-27$3.04/sh−2,802→ 161,566 total
Sale
Karyopharm Therapeutics Inc.$KPTI
Common Stock
2023-02-06$3.40/sh−4,141→ 164,368 total
Award
Karyopharm Therapeutics Inc.$KPTI
Stock Option (right to buy)
2022-08-31+45,000→ 45,000 total
Award
Karyopharm Therapeutics Inc.$KPTI
Common Stock
2022-08-31+30,000→ 168,509 total
Sale
Karyopharm Therapeutics Inc.$KPTI
Common Stock
2022-06-03$6.07/sh−3→ 138,509 total
Sale
Karyopharm Therapeutics Inc.$KPTI
Common Stock
2022-06-03$6.04/sh−598→ 138,512 total
Award
Karyopharm Therapeutics Inc.$KPTI
Common Stock
2022-02-28+88,200→ 141,508 total
Sale
Karyopharm Therapeutics Inc.$KPTI
Common Stock
2022-02-28$10.24/sh−2,398→ 139,110 total
Award
Karyopharm Therapeutics Inc.$KPTI
Stock Option (right to buy)
2022-02-28+111,600→ 111,600 total
Sale
Karyopharm Therapeutics Inc.$KPTI
Common Stock
2022-02-07$9.86/sh−3,947→ 53,308 total
Award
Karyopharm Therapeutics Inc.$KPTI
Stock Option (right to buy)
2021-06-01+15,000→ 15,000 total
Award
Karyopharm Therapeutics Inc.$KPTI
Common Stock
2021-06-01+5,500→ 57,255 total
Award
Karyopharm Therapeutics Inc.$KPTI
Common Stock
2021-02-25+22,013→ 51,755 total
Award
Karyopharm Therapeutics Inc.$KPTI
Stock Option (right to buy)
2021-02-25+59,968→ 59,968 total
Sale
Karyopharm Therapeutics Inc.$KPTI
Common Stock
2021-02-11$15.52/sh−2,858→ 5,292 total
Exercise/Conversion
Karyopharm Therapeutics Inc.$KPTI
Common Stock
2021-02-05+8,150→ 8,150 total
Exercise/Conversion
Karyopharm Therapeutics Inc.$KPTI
Restricted Stock Units
2021-02-05−8,150→ 24,450 total
Award
Karyopharm Therapeutics Inc.$KPTI
Stock Option (right to buy)
2020-02-05+87,600→ 87,600 total
Award
Karyopharm Therapeutics Inc.$KPTI
Restricted Stock Units
2020-02-05+32,600→ 32,600 total
Award
Karyopharm Therapeutics Inc.$KPTI
Nonstatutory Stock Option (right to buy)
2019-02-25+150,000→ 150,000 total
Award
ALNYLAM PHARMACEUTICALS, INC.$ALNY
Performance Stock Option 2015 (right to buy)
2018-09-27+1,800→ 5,400 total
Award
ALNYLAM PHARMACEUTICALS, INC.$ALNY
Performance Stock Option 2016 (right to buy)
2018-09-27+1,387→ 2,775 total
Award
ALNYLAM PHARMACEUTICALS, INC.$ALNY
Performance Stock Option 2015 (right to buy)
2018-08-21+1,800→ 3,600 total
Award
ALNYLAM PHARMACEUTICALS, INC.$ALNY
Common Stock
2018-08-13+1,012→ 1,012 total
Tax Payment
ALNYLAM PHARMACEUTICALS, INC.$ALNY
Common Stock
2018-08-13$90.95/sh−449→ 563 total
Award
ALNYLAM PHARMACEUTICALS, INC.$ALNY
Performance Stock Option 2013 (right to buy)
2018-08-10+1,666→ 1,666 total
Award
ALNYLAM PHARMACEUTICALS, INC.$ALNY
Performance Stock Option 2014 (right to buy)
2018-08-10+2,750→ 2,750 total
Other
ALNYLAM PHARMACEUTICALS, INC.$ALNY
Common Stock
2018-07-10+23→ 276 total
Other
ALNYLAM PHARMACEUTICALS, INC.$ALNY
Common Stock
2018-04-16+22→ 253 total
Award
ALNYLAM PHARMACEUTICALS, INC.$ALNY
Stock Option (right to buy)
2018-03-01+4,000→ 4,000 total
Other
ALNYLAM PHARMACEUTICALS, INC.$ALNY
Common Stock
2018-01-17+5→ 231 total
Tax Payment
ALNYLAM PHARMACEUTICALS, INC.$ALNY
Common Stock
2017-12-30$127.05/sh−3,538→ 4,964 total
Exercise/Conversion
ALNYLAM PHARMACEUTICALS, INC.$ALNY
Restricted Stock Unit
2017-12-30−8,502→ 0 total
Exercise/Conversion
ALNYLAM PHARMACEUTICALS, INC.$ALNY
Common Stock
2017-12-30+8,502→ 8,502 total
Award
ALNYLAM PHARMACEUTICALS, INC.$ALNY
Performance Stock Option 2016 (right to buy)
2017-12-20+1,388→ 1,388 total
Award
ALNYLAM PHARMACEUTICALS, INC.$ALNY
Performance Stock Option 2015 (right to buy)
2017-11-06+1,800→ 1,800 total
Discretionary Transaction
ALNYLAM PHARMACEUTICALS, INC.$ALNY
Common Stock
2017-09-22$115.47/sh−1,950→ 226 total
Award
ALNYLAM PHARMACEUTICALS, INC.$ALNY
Performance Stock Option 2013 (right to buy)
2017-09-20+1,667→ 1,667 total

Companies

Recent Filings

Address

300 THIRD STREET

CAMBRIDGE, MA, 02142

View on SEC.gov