SEC CIK 1397266
Fust Matthew K
Reported ownership across 5 companies, sourced from SEC Form 4 filings and updated daily.
Current Positions
| Company | Shares Owned | As Of |
|---|---|---|
| JAZZview stock → | 58,948 | 2008-11-28 |
| RAREview stock → | 33,696 | 2026-05-14 |
| ATRAview stock → | 30,188 | 2026-06-09 |
| MGNXview stock → | 7,424 | 2019-02-06 |
| CRNXview stock → | 0 | 2026-09-01 |
Position History — RARE
Reported shares owned immediately after each Form 4 transaction, over time.
Recent Filings — RARE
| Date | Activity | Shares | Price | Owned After |
|---|---|---|---|---|
| 2026-05-14 | Grant / award (derivative) | 14,058 | $0.00 | 14,058 |
| 2026-05-14 | Grant / award | 7,751 | $0.00 | 33,696 |
| 2025-05-15 | Grant / award (derivative) | 10,787 | $0.00 | 10,787 |
| 2025-05-15 | Grant / award | 5,740 | $0.00 | 25,945 |
| 2024-06-18 | Grant / award (derivative) | 9,900 | $0.00 | 9,900 |
| 2024-06-18 | Grant / award | 5,345 | $0.00 | 20,205 |
| 2024-03-07 | Open-market sale | 7,500 | $50.88 | 14,860 |
| 2024-03-07 | Open-market sale | 2,145 | $50.85 | 22,360 |
| 2024-03-07 | Open-market sale | 2,550 | $50.89 | 24,505 |
| 2023-06-07 | Grant / award (derivative) | 7,110 | $0.00 | 7,110 |
| 2023-06-07 | Grant / award | 3,860 | $0.00 | 30,355 |
| 2023-06-07 | Disposition to issuer | 3,300 | $51.82 | 27,055 |
| 2022-06-24 | Grant / award (derivative) | 6,245 | $0.00 | 6,245 |
| 2022-06-24 | Grant / award | 3,300 | $0.00 | 26,495 |
| 2022-03-04 | Option exercise (derivative) | 7,500 | $0.00 | 0 |
| 2022-03-04 | Option exercise | 7,500 | $40.37 | 23,195 |
| 2021-06-24 | Grant / award (derivative) | 4,125 | $0.00 | 4,125 |
| 2021-06-24 | Grant / award | 2,145 | $0.00 | 15,695 |
| 2020-07-06 | Option exercise (derivative) | 6,181 | $0.00 | 0 |
| 2020-07-06 | Open-market sale | 6,181 | $90.00 | 13,550 |
| 2020-07-06 | Option exercise | 6,181 | $21.00 | 19,731 |
| 2020-07-01 | Option exercise (derivative) | 5,000 | $0.00 | 6,181 |
| 2020-07-01 | Option exercise | 5,000 | $21.00 | 18,550 |
| 2020-07-01 | Open-market sale | 5,000 | $85.00 | 13,550 |
| 2020-06-26 | Grant / award (derivative) | 4,250 | $0.00 | 4,250 |
| 2020-06-26 | Grant / award | 2,550 | $0.00 | 13,550 |
| 2020-05-18 | Open-market sale | 1,875 | $75.00 | 11,000 |
| 2020-04-22 | Open-market sale | 1,875 | $65.00 | 12,875 |
| 2019-06-11 | Grant / award (derivative) | 5,000 | $0.00 | 5,000 |
| 2019-06-11 | Grant / award | 3,000 | $0.00 | 14,750 |
| 2018-06-19 | Grant / award (derivative) | 5,000 | $0.00 | 5,000 |
| 2018-06-19 | Grant / award | 3,000 | $0.00 | 11,750 |
| 2018-05-30 | Open-market sale | 6,319 | $72.00 | 8,750 |
| 2017-06-22 | Grant / award (derivative) | 3,750 | $0.00 | 3,750 |
| 2017-06-22 | Grant / award | 1,875 | $0.00 | 15,069 |
| 2016-06-09 | Grant / award (derivative) | 3,750 | $0.00 | 3,750 |
| 2016-06-09 | Grant / award | 1,875 | $0.00 | 13,194 |
| 2015-06-18 | Grant / award (derivative) | 7,500 | $0.00 | 7,500 |
| 2015-03-19 | Option exercise (derivative) | 6,319 | $0.00 | 11,181 |
| 2015-03-19 | Option exercise | 6,319 | $21.00 | 11,319 |
| 2014-07-10 | Grant / award (derivative) | 7,500 | $0.00 | 7,500 |
| 2014-01-30 | Grant / award (derivative) | 17,500 | $0.00 | 17,500 |
| 2014-01-30 | Open-market buy | 5,000 | $21.00 | 5,000 |
Source: SEC EDGAR Form 4 filings. For informational purposes only — not investment advice.