SEC CIK 1529297
Howton David T
Reported ownership across 3 companies, sourced from SEC Form 4 filings and updated daily.
Current Positions
| Company | Shares Owned | As Of |
|---|---|---|
| SLDBview stock → | 105,077 | 2026-02-18 |
| SRPTview stock → | 91,993 | 2020-06-22 |
| VRTXview stock → | 19,437 | 2012-02-02 |
Position History — SLDB
Reported shares owned immediately after each Form 4 transaction, over time.
Recent Filings — SLDB
| Date | Activity | Shares | Price | Owned After |
|---|---|---|---|---|
| 2026-02-18 | Open-market sale | 7,469 | $5.82 | 105,077 |
| 2026-02-13 | Option exercise (derivative) | 14,687 | $0.00 | 29,376 |
| 2026-02-13 | Option exercise | 14,687 | — | 112,546 |
| 2026-02-04 | Open-market sale | 18,894 | $6.44 | 97,859 |
| 2026-02-02 | Open-market sale | 37,771 | $6.44 | 116,753 |
| 2026-01-31 | Option exercise (derivative) | 42,275 | $0.00 | 126,825 |
| 2026-01-31 | Option exercise | 42,275 | — | 154,254 |
| 2026-01-29 | Grant / award (derivative) | 105,100 | $0.00 | 105,100 |
| 2026-01-29 | Grant / award (derivative) | 210,200 | $0.00 | 210,200 |
| 2026-01-29 | Option exercise (derivative) | 79,341 | $0.00 | 0 |
| 2026-01-29 | Option exercise | 79,341 | — | 112,249 |
| 2026-01-29 | Grant / award (derivative) | 79,341 | $0.00 | 79,341 |
| 2025-12-03 | Open-market sale | 4,932 | $5.11 | 32,908 |
| 2025-12-02 | Option exercise (derivative) | 13,051 | $0.00 | 13,052 |
| 2025-12-02 | Option exercise | 13,051 | — | 37,840 |
| 2025-08-14 | Grant / award (derivative) | 75,000 | $0.00 | 75,000 |
| 2025-08-14 | Grant / award (derivative) | 150,000 | $0.00 | 150,000 |
| 2025-02-14 | Open-market sale | 5,561 | $3.96 | 24,789 |
| 2025-02-13 | Option exercise (derivative) | 14,687 | $0.00 | 44,063 |
| 2025-02-13 | Option exercise | 14,687 | — | 30,350 |
| 2025-01-31 | Grant / award (derivative) | 169,100 | $0.00 | 169,100 |
| 2024-12-03 | Open-market sale | 5,072 | $5.60 | 15,663 |
| 2024-12-02 | Option exercise (derivative) | 13,051 | $0.00 | 26,103 |
| 2024-12-02 | Option exercise | 13,051 | — | 20,735 |
| 2024-02-13 | Grant / award (derivative) | 58,750 | $0.00 | 58,750 |
| 2024-02-13 | Grant / award (derivative) | 117,500 | $0.00 | 117,500 |
| 2023-12-04 | Open-market sale | 5,367 | $2.78 | 7,684 |
| 2023-12-02 | Option exercise (derivative) | 13,051 | $0.00 | 39,154 |
| 2023-12-02 | Option exercise | 13,051 | — | 13,051 |
| 2022-12-02 | Grant / award (derivative) | 52,205 | $0.00 | 52,205 |
| 2022-12-02 | Grant / award (derivative) | 104,410 | $0.00 | 104,410 |
Source: SEC EDGAR Form 4 filings. For informational purposes only — not investment advice.