Updated Jul 16, 2026
Cumbo Alexander has filed 3 SEC Form 4 filings across 3 companies in the last 90 days — selling. Lifetime open-market sales: $1.05M.
| Date | Ticker | Company | Code | Shares | Price | Value |
|---|---|---|---|---|---|---|
| 2026-02-19 | SLDB | Solid Biosciences Inc. | S — Open-market sale | 16.6K | $5.82 | $97K |
| 2026-02-19 | SLDB | Solid Biosciences Inc. | M — Option exercise | 30.0K | — | |
| 2026-02-06 | SLDB | Solid Biosciences Inc. | S — Open-market sale | 48.9K | $6.44 | $315K |
| 2026-02-03 | SLDB | Solid Biosciences Inc. | S — Open-market sale | 80.3K | $6.44 | $517K |
| 2026-02-03 | SLDB | Solid Biosciences Inc. | M — Option exercise | 100.4K | — | |
| 2026-02-03 | SLDB | Solid Biosciences Inc. | M — Option exercise | 169.4K | — | |
| 2025-12-04 | SLDB | Solid Biosciences Inc. | S — Open-market sale | 10.8K | $5.11 | $55K |
| 2025-12-04 | SLDB | Solid Biosciences Inc. | M — Option exercise | 28.6K | — | |
| 2024-12-04 | SLDB | Solid Biosciences Inc. | S — Open-market sale | 11.1K | $5.60 | $62K |
| 2024-12-04 | SLDB | Solid Biosciences Inc. | M — Option exercise | 28.6K | — |
Cumbo Alexander is a corporate insider — currently tracked as Insider of Vor Biopharma Inc. (VOR). InsiderAlpha tracks every SEC Form 4 filing in real time.
3 primary Form 4 filings in the last 90 days, covering 3 companies.
Recorded transactions: 0 open-market purchases () and 5 open-market sales ($1.05M) across all tracked filings.
All Form 4 filings, transaction values, and 10b5-1 plan flags are listed on this page and updated in real time as new SEC EDGAR filings are processed.
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