SEC CIK 1299658
Sharng Chris Tahjiun
Reported ownership across 1 company, sourced from SEC Form 4 filings and updated daily.
Current Positions
| Company | Shares Owned | As Of |
|---|---|---|
| NHTCview stock → | 443,323 | 2024-12-15 |
Position History — NHTC
Reported shares owned immediately after each Form 4 transaction, over time.
Recent Filings — NHTC
| Date | Activity | Shares | Price | Owned After |
|---|---|---|---|---|
| 2025-04-01 | Grant / award (derivative) | 124,850 | $0.00 | 124,850 |
| 2024-12-15 | Option exercise (derivative) | 15,608 | — | 0 |
| 2024-12-15 | Disposition to issuer | 15,608 | $4.26 | 443,323 |
| 2024-12-15 | Option exercise | 15,608 | — | 458,931 |
| 2024-09-15 | Option exercise (derivative) | 15,606 | — | 15,608 |
| 2024-09-15 | Disposition to issuer | 15,606 | $6.80 | 443,323 |
| 2024-09-15 | Option exercise | 15,606 | — | 458,929 |
| 2024-06-15 | Option exercise (derivative) | 15,606 | — | 31,214 |
| 2024-06-15 | Disposition to issuer | 15,606 | $6.80 | 443,323 |
| 2024-06-15 | Option exercise | 15,606 | — | 458,929 |
| 2024-04-16 | J | 443,322 | $0.00 | 443,323 |
| 2023-12-15 | Option exercise (derivative) | 15,606 | — | 62,426 |
| 2023-12-15 | Disposition to issuer | 15,606 | $5.54 | 886,645 |
| 2023-12-15 | Option exercise | 15,606 | — | 902,251 |
| 2023-09-15 | Option exercise (derivative) | 15,606 | — | 78,032 |
| 2023-09-15 | Disposition to issuer | 15,606 | $5.40 | 886,645 |
| 2023-09-15 | Option exercise | 15,606 | — | 902,251 |
| 2023-06-15 | Option exercise (derivative) | 15,606 | — | 93,638 |
| 2023-06-15 | Disposition to issuer | 15,606 | $5.01 | 886,645 |
| 2023-06-15 | Option exercise | 15,606 | — | 902,251 |
| 2023-02-07 | Option exercise (derivative) | 15,606 | — | 109,244 |
| 2023-02-07 | Grant / award (derivative) | 124,850 | $0.00 | 124,850 |
| 2023-02-07 | Disposition to issuer | 15,606 | $4.76 | 886,645 |
| 2023-02-07 | Option exercise | 15,606 | — | 902,251 |
| 2022-12-15 | Option exercise (derivative) | 15,608 | — | 0 |
| 2022-12-15 | Disposition to issuer | 15,608 | $3.60 | 886,645 |
| 2022-12-15 | Option exercise | 15,608 | — | 902,253 |
| 2022-09-15 | Option exercise (derivative) | 15,606 | — | 15,608 |
| 2022-09-15 | Option exercise | 15,606 | — | 902,251 |
| 2022-09-15 | Disposition to issuer | 15,606 | $4.50 | 886,645 |
| 2022-06-15 | Option exercise (derivative) | 15,606 | — | 31,214 |
| 2022-06-15 | Option exercise | 15,606 | — | 902,251 |
| 2022-06-15 | Disposition to issuer | 15,606 | $5.50 | 886,645 |
| 2022-03-15 | Option exercise (derivative) | 15,606 | — | 46,820 |
| 2022-03-15 | Option exercise | 15,606 | — | 902,251 |
| 2022-03-15 | Disposition to issuer | 15,606 | $7.01 | 886,645 |
| 2021-12-15 | Option exercise (derivative) | 15,606 | — | 62,426 |
| 2021-12-15 | Option exercise | 15,606 | — | 902,251 |
| 2021-12-15 | Disposition to issuer | 15,606 | $6.65 | 886,645 |
| 2021-09-15 | Option exercise (derivative) | 15,606 | — | 78,032 |
| 2021-09-15 | Option exercise | 15,606 | — | 902,251 |
| 2021-09-15 | Disposition to issuer | 15,606 | $6.98 | 886,645 |
| 2021-06-15 | Option exercise (derivative) | 15,606 | — | 93,638 |
| 2021-06-15 | Disposition to issuer | 15,606 | $7.36 | 886,645 |
| 2021-06-15 | Option exercise | 15,606 | — | 902,251 |
| 2021-03-15 | Grant / award (derivative) | 124,850 | $0.00 | 124,850 |
| 2021-03-15 | Option exercise (derivative) | 15,606 | — | 109,244 |
| 2021-03-15 | Option exercise | 15,606 | — | 902,251 |
| 2021-03-15 | Disposition to issuer | 15,606 | $6.72 | 886,645 |
| 2019-08-09 | Grant / award | 408,071 | $7.08 | 886,645 |
| 2018-02-01 | Grant / award | 3,860 | $0.00 | 478,574 |
| 2017-01-24 | Grant / award | 15,723 | $0.00 | 474,714 |
| 2016-04-08 | Grant / award | 30,324 | $0.00 | 458,342 |
| 2015-11-17 | Open-market sale | 2,125 | $53.90 | 428,018 |
| 2015-11-16 | Open-market sale | 11,000 | $53.86 | 430,143 |
| 2015-01-20 | Grant / award | 27,832 | $0.00 | 441,143 |
| 2011-05-12 | Grant / award | 125,000 | $0.00 | 413,311 |
| 2009-05-19 | Open-market buy | 500 | $0.45 | 288,311 |
| 2009-05-19 | Open-market buy | 500 | $0.48 | 287,811 |
| 2009-05-19 | Open-market buy | 500 | $0.49 | 287,311 |
| 2009-04-14 | Open-market buy | 2,300 | $0.40 | 286,811 |
| 2009-04-14 | Open-market buy | 200 | $0.39 | 284,511 |
| 2009-03-16 | Grant / award | 20,000 | $0.00 | 284,498 |
| 2008-11-13 | Grant / award | 80,000 | $0.00 | 264,498 |
| 2008-09-17 | Open-market sale | 4,460 | $0.58 | 184,498 |
| 2008-06-17 | Open-market sale | 5,631 | $1.06 | 188,958 |
| 2008-03-18 | Open-market sale | 4,437 | $0.71 | 174,589 |
| 2008-03-15 | Grant / award | 20,000 | $0.00 | 199,026 |
| 2007-12-31 | Grant / award | 30,000 | $0.00 | 179,026 |
| 2007-12-19 | Open-market sale | 2,546 | $1.25 | 149,026 |
| 2007-12-19 | Open-market buy | 10,000 | $1.25 | 151,572 |
| 2007-12-18 | Open-market sale | 564 | $1.25 | 141,572 |
| 2007-09-19 | Open-market sale | 850 | $2.30 | 142,136 |
| 2007-09-18 | Open-market sale | 3,135 | $2.48 | 143,061 |
| 2007-09-18 | Open-market sale | 75 | $2.41 | 142,986 |
| 2007-06-26 | Disposition to issuer (derivative) | 15,000 | — | 0 |
| 2007-06-26 | Grant / award | 30,812 | — | 146,196 |
| 2007-04-21 | Grant / award | 111,900 | $0.00 | 115,384 |
| 2006-08-23 | Open-market buy | 1,500 | $2.66 | 1,500 |
| 2006-08-23 | Open-market buy | 1,500 | $2.66 | 3,484 |
Source: SEC EDGAR Form 4 filings. For informational purposes only — not investment advice.