SEC CIK 1685994
Cumbo Alexander
Reported ownership across 2 companies, sourced from SEC Form 4 filings and updated daily.
Current Positions
| Company | Shares Owned | As Of |
|---|---|---|
| SLDBview stock → | 235,405 | 2026-02-18 |
| SRPTview stock → | 8,567 | 2020-02-28 |
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 | 16,644 | $5.82 | 235,405 |
| 2026-02-13 | Option exercise (derivative) | 30,031 | $0.00 | 60,063 |
| 2026-02-13 | Option exercise | 30,031 | — | 252,049 |
| 2026-02-04 | Open-market sale | 48,913 | $6.44 | 222,018 |
| 2026-02-02 | Open-market sale | 80,258 | $6.44 | 270,931 |
| 2026-01-31 | Option exercise (derivative) | 100,400 | $0.00 | 301,200 |
| 2026-01-31 | Option exercise | 100,400 | — | 351,189 |
| 2026-01-29 | Grant / award (derivative) | 254,900 | $0.00 | 254,900 |
| 2026-01-29 | Grant / award (derivative) | 509,850 | $0.00 | 509,850 |
| 2026-01-29 | Option exercise (derivative) | 169,401 | $0.00 | 0 |
| 2026-01-29 | Option exercise | 169,401 | — | 250,789 |
| 2026-01-29 | Grant / award (derivative) | 169,401 | $0.00 | 169,401 |
| 2025-12-03 | Open-market sale | 10,808 | $5.11 | 81,388 |
| 2025-12-02 | Option exercise (derivative) | 28,612 | $0.00 | 28,613 |
| 2025-12-02 | Option exercise | 28,612 | — | 92,196 |
| 2025-08-14 | Grant / award (derivative) | 168,750 | $0.00 | 168,750 |
| 2025-08-14 | Grant / award (derivative) | 337,500 | $0.00 | 337,500 |
| 2025-02-14 | Open-market sale | 11,365 | $3.96 | 60,717 |
| 2025-02-13 | Option exercise (derivative) | 30,031 | $0.00 | 90,094 |
| 2025-02-13 | Option exercise | 30,031 | — | 72,082 |
| 2025-01-31 | Grant / award (derivative) | 401,600 | $0.00 | 401,600 |
| 2024-12-03 | Open-market sale | 11,114 | $5.60 | 38,484 |
| 2024-12-02 | Option exercise (derivative) | 28,612 | $0.00 | 57,225 |
| 2024-12-02 | Option exercise | 28,612 | — | 49,598 |
| 2024-02-13 | Grant / award (derivative) | 240,250 | $0.00 | 240,250 |
| 2024-02-13 | Grant / award (derivative) | 120,125 | $0.00 | 120,125 |
| 2023-12-04 | Open-market sale | 11,757 | $2.77 | 17,439 |
| 2023-12-02 | Option exercise (derivative) | 28,612 | $0.00 | 85,837 |
| 2023-12-02 | Option exercise | 28,612 | — | 29,196 |
| 2022-12-02 | Grant / award (derivative) | 114,449 | $0.00 | 114,449 |
| 2022-12-02 | Grant / award (derivative) | 228,900 | $0.00 | 228,900 |
| 2022-12-02 | Grant / award | 584 | — | 584 |
Source: SEC EDGAR Form 4 filings. For informational purposes only — not investment advice.