SEC CIK 1299658

Sharng Chris Tahjiun

Reported ownership across 1 company, sourced from SEC Form 4 filings and updated daily.

Current Positions

CompanyShares OwnedAs Of
NHTCview stock →443,3232024-12-15

Position History — NHTC

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

0300,751601,502902,2532006-082007-122009-052021-032022-062023-092024-12

Recent Filings — NHTC

DateActivitySharesPriceOwned After
2025-04-01Grant / award (derivative)124,850$0.00124,850
2024-12-15Option exercise (derivative)15,608—0
2024-12-15Disposition to issuer15,608$4.26443,323
2024-12-15Option exercise15,608—458,931
2024-09-15Option exercise (derivative)15,606—15,608
2024-09-15Disposition to issuer15,606$6.80443,323
2024-09-15Option exercise15,606—458,929
2024-06-15Option exercise (derivative)15,606—31,214
2024-06-15Disposition to issuer15,606$6.80443,323
2024-06-15Option exercise15,606—458,929
2024-04-16J443,322$0.00443,323
2023-12-15Option exercise (derivative)15,606—62,426
2023-12-15Disposition to issuer15,606$5.54886,645
2023-12-15Option exercise15,606—902,251
2023-09-15Option exercise (derivative)15,606—78,032
2023-09-15Disposition to issuer15,606$5.40886,645
2023-09-15Option exercise15,606—902,251
2023-06-15Option exercise (derivative)15,606—93,638
2023-06-15Disposition to issuer15,606$5.01886,645
2023-06-15Option exercise15,606—902,251
2023-02-07Option exercise (derivative)15,606—109,244
2023-02-07Grant / award (derivative)124,850$0.00124,850
2023-02-07Disposition to issuer15,606$4.76886,645
2023-02-07Option exercise15,606—902,251
2022-12-15Option exercise (derivative)15,608—0
2022-12-15Disposition to issuer15,608$3.60886,645
2022-12-15Option exercise15,608—902,253
2022-09-15Option exercise (derivative)15,606—15,608
2022-09-15Option exercise15,606—902,251
2022-09-15Disposition to issuer15,606$4.50886,645
2022-06-15Option exercise (derivative)15,606—31,214
2022-06-15Option exercise15,606—902,251
2022-06-15Disposition to issuer15,606$5.50886,645
2022-03-15Option exercise (derivative)15,606—46,820
2022-03-15Option exercise15,606—902,251
2022-03-15Disposition to issuer15,606$7.01886,645
2021-12-15Option exercise (derivative)15,606—62,426
2021-12-15Option exercise15,606—902,251
2021-12-15Disposition to issuer15,606$6.65886,645
2021-09-15Option exercise (derivative)15,606—78,032
2021-09-15Option exercise15,606—902,251
2021-09-15Disposition to issuer15,606$6.98886,645
2021-06-15Option exercise (derivative)15,606—93,638
2021-06-15Disposition to issuer15,606$7.36886,645
2021-06-15Option exercise15,606—902,251
2021-03-15Grant / award (derivative)124,850$0.00124,850
2021-03-15Option exercise (derivative)15,606—109,244
2021-03-15Option exercise15,606—902,251
2021-03-15Disposition to issuer15,606$6.72886,645
2019-08-09Grant / award408,071$7.08886,645
2018-02-01Grant / award3,860$0.00478,574
2017-01-24Grant / award15,723$0.00474,714
2016-04-08Grant / award30,324$0.00458,342
2015-11-17Open-market sale2,125$53.90428,018
2015-11-16Open-market sale11,000$53.86430,143
2015-01-20Grant / award27,832$0.00441,143
2011-05-12Grant / award125,000$0.00413,311
2009-05-19Open-market buy500$0.45288,311
2009-05-19Open-market buy500$0.48287,811
2009-05-19Open-market buy500$0.49287,311
2009-04-14Open-market buy2,300$0.40286,811
2009-04-14Open-market buy200$0.39284,511
2009-03-16Grant / award20,000$0.00284,498
2008-11-13Grant / award80,000$0.00264,498
2008-09-17Open-market sale4,460$0.58184,498
2008-06-17Open-market sale5,631$1.06188,958
2008-03-18Open-market sale4,437$0.71174,589
2008-03-15Grant / award20,000$0.00199,026
2007-12-31Grant / award30,000$0.00179,026
2007-12-19Open-market sale2,546$1.25149,026
2007-12-19Open-market buy10,000$1.25151,572
2007-12-18Open-market sale564$1.25141,572
2007-09-19Open-market sale850$2.30142,136
2007-09-18Open-market sale3,135$2.48143,061
2007-09-18Open-market sale75$2.41142,986
2007-06-26Disposition to issuer (derivative)15,000—0
2007-06-26Grant / award30,812—146,196
2007-04-21Grant / award111,900$0.00115,384
2006-08-23Open-market buy1,500$2.661,500
2006-08-23Open-market buy1,500$2.663,484

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