Cumbo Alexander
SEC CIK 1685994 · EDGAR
BoughtSold
Companies
| Ticker | Company | Title | Holding | Bought | Sold | Trades | First | Last |
|---|---|---|---|---|---|---|---|---|
| SLDB | Solid Biosciences Inc. | Pres, CEO, Dir | 235.4K | — | $1.12M | 14 | 2022-12-02 | 2026-02-18 |
Most active insiders at SLDB, 12 months
| # | Insider | Title | Bought | Sold |
|---|---|---|---|---|
| 1 | Cumbo Alexander | Pres, CEO, Dir | — | $984.0K |
| 2 | Howton David T | COO | — | $433.6K |
| 3 | Tan Kevin | CFO, Treas | — | $329.5K |
| 4 | Hanrahan Jessie | Chief Regulatory Off | — | $297.4K |
| 5 | Brooks Gabriel | Chief Medical Off | — | $281.0K |
| 6 | Herzich Paul | CTO | — | $274.1K |
| 7 | Ganot Ilan | Dir | — | $82.4K |
| 8 | SMITH IAN F | Dir | — | — |
Transactions 14
| X | Filed | Traded | Ticker | Company | Insider | Title | Type | Price | Qty | Owned | ΔOwn | Value |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| DT | 2026-02-18 | 2026-02-18 | SLDB | Solid Biosciences Inc. | Cumbo Alexander | Pres, CEO, Dir | S - Sale+OE | $5.82 | -16.6K | 235.4K | -7% | -$96.9K |
| DT | 2026-02-18 | 2026-02-13 | SLDB | Solid Biosciences Inc. | Cumbo Alexander | Pres, CEO, Dir | M - OptEx | — | +30.0K | 252.0K | +14% | — |
| T | 2026-02-06 | 2026-02-04 | SLDB | Solid Biosciences Inc. | Cumbo Alexander | Pres, CEO, Dir | S - Sale | $6.44 | -48.9K | 222.0K | -18% | -$315.0K |
| DMT | 2026-02-02 | 2026-01-29+ | SLDB | Solid Biosciences Inc. | Cumbo Alexander | Pres, CEO, Dir | M - OptEx | — | +269.8K | 351.2K | +331% | — |
| DT | 2026-02-02 | 2026-02-02 | SLDB | Solid Biosciences Inc. | Cumbo Alexander | Pres, CEO, Dir | S - Sale+OE | $6.44 | -80.3K | 270.9K | -23% | -$516.9K |
| DT | 2025-12-04 | 2025-12-03 | SLDB | Solid Biosciences Inc. | Cumbo Alexander | Pres, CEO, Dir | S - Sale+OE | $5.11 | -10.8K | 81.4K | -12% | -$55.2K |
| DT | 2025-12-04 | 2025-12-02 | SLDB | Solid Biosciences Inc. | Cumbo Alexander | Pres, CEO, Dir | M - OptEx | — | +28.6K | 92.2K | +45% | — |
| DT | 2025-02-18 | 2025-02-14 | SLDB | Solid Biosciences Inc. | Cumbo Alexander | Pres, CEO, Dir | S - Sale+OE | $3.96 | -11.4K | 60.7K | -16% | -$45.0K |
| DT | 2025-02-18 | 2025-02-13 | SLDB | Solid Biosciences Inc. | Cumbo Alexander | Pres, CEO, Dir | M - OptEx | — | +30.0K | 72.1K | +71% | — |
| D | 2024-12-04 | 2024-12-03 | SLDB | Solid Biosciences Inc. | Cumbo Alexander | Pres, CEO, Dir | S - Sale+OE | $5.60 | -11.1K | 38.5K | -22% | -$62.2K |
| D | 2024-12-04 | 2024-12-02 | SLDB | Solid Biosciences Inc. | Cumbo Alexander | Pres, CEO, Dir | M - OptEx | — | +28.6K | 49.6K | +136% | — |
| D | 2023-12-05 | 2023-12-04 | SLDB | Solid Biosciences Inc. | Cumbo Alexander | Pres, CEO, Dir | S - Sale+OE | $2.77 | -11.8K | 17.4K | -40% | -$32.6K |
| D | 2023-12-05 | 2023-12-02 | SLDB | Solid Biosciences Inc. | Cumbo Alexander | Pres, CEO, Dir | M - OptEx | — | +28.6K | 29.2K | +4,899% | — |
| D | 2022-12-05 | 2022-12-02 | SLDB | Solid Biosciences Inc. | Cumbo Alexander | Pres, CEO, Dir | A - Grant | — | +584 | 584 | New | — |
Purchase Sale Sale after option exercise All abbreviations