SEC CIK 1529297

Howton David T

Reported ownership across 3 companies, sourced from SEC Form 4 filings and updated daily.

Current Positions

CompanyShares OwnedAs Of
SLDBview stock →105,0772026-02-18
SRPTview stock →91,9932020-06-22
VRTXview stock →19,4372012-02-02

Position History — SRPT

Reported shares owned immediately after each Form 4 transaction, over time.

045,66491,329136,9932016-022017-032018-032018-082019-112019-122020-06

Recent Filings — SRPT

DateActivitySharesPriceOwned After
2020-06-22Option exercise (derivative)45,000$0.007,708
2020-06-22Option exercise (derivative)1,858$0.000
2020-06-22Option exercise56,984$23.8591,993
2020-06-22Option exercise1,858$13.7135,009
2020-06-22Option exercise1,280$13.7133,151
2020-06-22Open-market sale55,270$171.5031,871
2020-06-22Open-market sale35,757$170.5987,141
2020-06-22Open-market sale8,086$169.56122,898
2020-06-22Open-market sale6,009$168.61130,984
2020-06-22Option exercise45,000$29.03136,993
2020-02-28Grant / award (derivative)37,500$0.0037,500
2020-02-28Grant / award6,700$0.0031,871
2019-12-13Option exercise (derivative)18,579$0.000
2019-12-13Option exercise (derivative)59,421$0.0056,984
2019-12-13Option exercise59,421$23.85103,171
2019-12-13Open-market sale78,000$125.5025,171
2019-12-13Option exercise18,579$13.9043,750
2019-11-22Option exercise (derivative)5,685$0.001,280
2019-11-22Option exercise (derivative)4,025$0.001,858
2019-11-22Option exercise (derivative)8,580$0.0018,579
2019-11-22Option exercise (derivative)2,440$0.002,470
2019-11-22Option exercise (derivative)52$0.0018
2019-11-22Option exercise (derivative)5,590$0.000
2019-11-22Option exercise (derivative)7,900$0.005,118
2019-11-22Option exercise7,900$23.8527,975
2019-11-22Tax withholding2,804$107.0225,171
2019-11-22Option exercise5,590$13.9020,075
2019-11-22Option exercise52$13.7114,485
2019-11-22Option exercise2,440$13.7114,433
2019-11-22Open-market sale2,957$105.0011,993
2019-11-22Open-market sale3,753$105.0014,950
2019-11-22Open-market sale18,290$105.0018,703
2019-11-22Option exercise8,580$13.9036,993
2019-11-22Option exercise4,025$13.7128,413
2019-11-22Option exercise5,685$13.7124,388
2019-03-28Tax withholding2,362$118.6818,703
2019-03-28Grant / award5,319$0.0021,065
2019-03-04Grant / award (derivative)45,000$0.0045,000
2019-02-28Disposition to issuer3,825$0.0015,746
2019-02-01Option exercise (derivative)3,125$13.716,965
2019-02-01Option exercise (derivative)16,827$23.85116,405
2019-02-01Option exercise (derivative)1,548$13.715,883
2019-02-01Option exercise3,125$13.7131,196
2019-02-01Open-market sale30,000$140.0019,571
2019-02-01Option exercise16,827$23.8549,571
2019-02-01Option exercise1,548$13.7132,744
2018-08-08Tax withholding6,800$121.0228,071
2018-07-16Option exercise (derivative)3,096$13.717,431
2018-07-16Option exercise (derivative)9,056$13.7110,090
2018-07-16Option exercise (derivative)37,848$13.9027,159
2018-07-16Option exercise9,056$13.7143,927
2018-07-16Option exercise37,848$13.9072,719
2018-07-16Open-market sale3,096$136.4634,871
2018-07-16Option exercise3,096$13.7137,967
2018-05-22Option exercise (derivative)5,319$0.000
2018-05-22Tax withholding1,566$89.2234,871
2018-05-22Option exercise5,319—36,437
2018-03-15Option exercise (derivative)23$0.0070
2018-03-15Option exercise (derivative)2,074$0.0013,018
2018-03-15Option exercise (derivative)403$0.005,590
2018-03-15Option exercise2,074$23.8531,727
2018-03-15Tax withholding609$81.2231,118
2018-03-15Tax withholding68$81.2229,653
2018-03-15Option exercise403$13.9029,721
2018-03-15Tax withholding3$81.2229,318
2018-03-15Option exercise23$13.7129,321
2018-03-05Grant / award (derivative)70,000$0.0070,000
2017-08-03Option exercise (derivative)10,639$0.000
2017-08-03Option exercise10,639—33,940
2017-08-03Tax withholding4,642$37.8829,298
2017-07-21Option exercise (derivative)676$23.8515,092
2017-07-21Option exercise (derivative)324$13.7193
2017-07-21Option exercise324$13.7122,625
2017-07-21Option exercise676$23.8523,301
2017-07-20Option exercise (derivative)5,944$13.7119,146
2017-07-20Option exercise (derivative)19,056$13.7110,527
2017-07-20Option exercise19,056$13.7141,357
2017-07-20Option exercise5,944$13.7128,245
2017-07-20Open-market sale5,944$41.0022,301
2017-03-19Tax withholding152$30.3022,301
2017-03-10Grant / award (derivative)4,411$0.004,411
2017-03-10Grant / award (derivative)25,589$0.0025,589
2016-11-09Option exercise (derivative)1,000$0.0015,768
2016-11-09Option exercise1,000$23.8522,453
2016-09-22Option exercise (derivative)7,000$13.9065,007
2016-09-22Open-market sale7,000$60.0021,453
2016-09-22Option exercise7,000$13.9028,453
2016-09-19Option exercise (derivative)8,000$13.9072,007
2016-09-19Grant / award19,125$0.0022,757
2016-09-19Option exercise8,000$13.9011,168
2016-09-19Open-market sale8,000$50.003,168
2016-09-19Grant / award464$0.003,632
2016-09-19Open-market sale1,304$50.0021,453
2016-08-31Tax withholding898$26.073,168
2016-02-29Grant / award (derivative)29,583$0.0029,583
2016-02-29Grant / award (derivative)4,910$0.004,910
2016-02-29Grant / award (derivative)25,090$0.0025,090
2016-02-29Grant / award (derivative)417$0.00417
2016-02-29Grant / award2,762$0.004,066
2015-02-27Grant / award (derivative)9,603$0.009,603
2015-02-27Grant / award (derivative)76,397$0.0076,397
2015-02-27Grant / award (derivative)5,993$0.005,993
2015-02-27Grant / award (derivative)80,007$0.0080,007
2014-02-28Grant / award (derivative)2,292$0.002,292
2014-02-28Grant / award (derivative)52,708$0.0052,708
2013-06-04Grant / award (derivative)2,863$0.002,863
2013-06-04Grant / award (derivative)42,137$0.0042,137
2013-06-04Grant / award (derivative)45,000$0.0045,000
2012-11-05Grant / award (derivative)150,000$0.00150,000

Source: SEC EDGAR Form 4 filings. For informational purposes only — not investment advice.