Michael Mason's Net Worth

$8.59 Million

Estimate Recalculated Nov 7, 2024 05:13PM EST

Who is Michael Mason

Michael Mason has an estimated net worth of $8.59 Million. This is based on reported shares across multiple companies, which include ALNYLAM PHARMACEUTICALS, INC., and Karyopharm Therapeutics Inc..

SEC CIK

Michael Mason's CIK is 0001514291

Past Insider Trading and Trends

2018 was Michael Mason's most active year for acquiring shares with 15 total transactions. Michael Mason's most active month to acquire stocks was the month of November. 2013 was Michael Mason's most active year for disposing of shares, totalling 20 transactions. Michael Mason's most active month to dispose stocks was the month of November. 2018 saw Michael Mason paying a total of $2,804,910.51 for 46,196 shares, this is the most they've acquired in one year. In 2018 Michael Mason cashed out on 68,975 shares for a total of $4,876,007.21, their largest year based on trade value.

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ALNYLAM PHARMACEUTICALS, INC.

VP, Finance and Treasurer
Updated Sep 28, 2018
Form 4
63.89%
3.19K
Sep 28, 2018
8.18K
Grant
Sep 27
Form 4
100.00%
1.80K
Aug 23, 2018
3.60K
Grant
Aug 21
Form 4
2,225.22%
5.03K
$90.95
-$40.84K
Aug 14, 2018
5.26K
Acquisition
Jan 17 - Aug 13
Form 4
4.00K
Mar 05, 2018
4.00K
Grant
Mar 01
Form 4
-78.90%
-36.74K
$109.93
-$2.03M
Jan 08, 2018
10.05K
Sale
ScheduledJan 04
Form 4
-41.61%
-3.54K
$127.05
-$449.50K
Jan 03, 2018
5.19K
Options
Dec 30
Form 4
1.39K
Dec 21, 2017
1.39K
Grant
Dec 20
Form 4
1.80K
Nov 08, 2017
1.80K
Grant
Nov 06
Form 4
1.67K
Sep 22, 2017
1.67K
Grant
Sep 20
Form 4
100.00%
2.75K
Jul 11, 2017
5.50K
Grant
Jul 07
Form 4
-100.00%
-9.38K
$42.02
-$524.66K
May 17, 2017
2.18K
Sale
ScheduledMay 16
Form 4
8.50K
Jan 03, 2017
8.50K
Grant
Dec 30
Form 4
5.55K
Dec 22, 2016
5.55K
Grant
Dec 20
Form 4
2.75K
Feb 03, 2016
2.75K
Grant
Feb 01
Form 4
7.20K
Dec 22, 2015
7.20K
Grant
Dec 18
Form 4
10.00K
Dec 09, 2015
12.04K
Grant
Dec 07
Form 4
-58.21%
-4.79K
$88.94
-$411.12K
Jun 03, 2015
5.45K
Sale
ScheduledJun 01
Form 4
8.25K
May 05, 2015
10.26K
Grant
May 01
Form 4
-61.92%
-20.50K
$54.50
-$1.92M
Dec 16, 2014
14.59K
Sale
ScheduledDec 12 - Dec 15
Form 4
-70.93%
-3.75K
$78.66
-$294.99K
Feb 04, 2014
3.44K
Sale
ScheduledFeb 03
Form 4
-32.62%
-2.56K
$89.49
-$229.09K
Jan 27, 2014
7.19K
Tax
Jan 23
Form 4
-10.03%
-3.00K
$36.46
-$382.36K
Dec 18, 2013
28.82K
Sale
ScheduledDec 16 - Dec 18
Form 4
-19.64%
-3.75K
$34.46
-$205.24K
Dec 04, 2013
17.25K
Sale
ScheduledDec 02
Form 4
-64.41%
-14.20K
$40.70
-$264.26K
Jul 12, 2013
9.67K
Sale
ScheduledJul 12
Form 4
-77.48%
-27.00K
$27.07
-$266.55K
Jul 02, 2013
9.67K
Sale
ScheduledJul 01
Form 4
-44.13%
-23.63K
$21.79
-$384.96K
Jun 19, 2013
31.73K
Sale
ScheduledJun 17
Form 4
10.00K
Dec 21, 2012
10.00K
Grant
Dec 20
Form 4
-16.41%
-3.75K
$12.02
-$36.85K
Dec 04, 2012
20.84K
Sale
ScheduledNov 30
Form 4
-19.03%
-6.25K
$15.49
-$56.37K
Jul 31, 2012
28.10K
Sale
ScheduledJul 27
Form 4
-35.70%
-15.29K
$14.99
-$109.49K
Jul 18, 2012
29.05K
Sale
ScheduledJul 16
Form 4
7.85K
Jan 25, 2012
9.18K
Grant
Jan 23
Form 4
15.00K
Dec 02, 2011
16.34K
Grant
Nov 30
Form 4
25.00K
Mar 03, 2011
25.00K
Grant
Feb 28
Form 3
Mar 03, 2011
708.00
Showing 34 results

Karyopharm Therapeutics Inc.

EVP, CFO & Treasurer
Updated Sep 05, 2024
Form 4
-1.77%
-7.05K
$0.72
-$5.09K
Sep 05, 2024
391.05K
Sale
Sep 04
Form 4
-0.16%
-652.00
$0.99
-$645.48
Jun 06, 2024
398.10K
Sale
Jun 04
Form 4
-7.82%
-33.85K
$1.18
-$39.79K
Mar 04, 2024
398.76K
Sale
Feb 29 - Mar 01
Form 4
75.18%
185.66K
$1.32
-$3.37K
Feb 29, 2024
432.61K
Grant
Feb 27 - Feb 28
Form 4
-1.67%
-4.21K
$1.59
-$6.67K
Feb 08, 2024
246.95K
Sale
Feb 06
Form 4
5.61%
13.33K
Jan 25, 2024
251.15K
Grant
Jan 24
Form 4
-2.82%
-6.91K
$1.33
-$9.20K
Sep 05, 2023
237.82K
Sale
Sep 01
Form 4
-0.26%
-631.00
$2.22
-$1.40K
Jun 05, 2023
244.73K
Sale
Jun 02
Form 4
51.86%
83.80K
$3.03
-$33.94K
Mar 02, 2023
245.36K
Grant
Feb 28 - Mar 01
Form 4
-1.70%
-2.80K
$3.04
-$8.51K
Mar 01, 2023
161.57K
Sale
Feb 27
Form 4
-2.46%
-4.14K
$3.40
-$14.08K
Feb 08, 2023
164.37K
Sale
Feb 06
Form 4
54.15%
75.00K
Sep 01, 2022
213.51K
Grant
Aug 31
Form 4
-0.43%
-601.00
$6.04
-$3.63K
Jun 06, 2022
138.51K
Sale
Jun 03
Form 4
370.30%
197.40K
$10.24
-$24.55K
Mar 02, 2022
250.71K
Grant
Feb 28
Form 4
-6.89%
-3.95K
$9.86
-$38.93K
Feb 09, 2022
53.31K
Sale
Feb 07
Form 4
39.61%
20.50K
Jun 01, 2021
72.26K
Grant
Jun 01
Form 4
275.64%
81.98K
Mar 01, 2021
111.72K
Grant
Feb 25
Form 4
-35.07%
-2.86K
$15.52
-$44.35K
Feb 17, 2021
5.29K
Sale
Feb 11
Form 4
Feb 09, 2021
32.60K
Options
Feb 05
Form 4
120.20K
Feb 07, 2020
120.20K
Grant
Feb 05
Form 4
150.00K
Feb 25, 2019
150.00K
Grant
Feb 25
Form 3
Feb 25, 2019
Showing 22 results