Senior insider sale
President and CEO at SOLID BIOSCIENCES INC. — senior position signals high conviction
$886.9K
139.98K shares
What this filing means
CUMBO ALEXANDER plans to sell 139.98K shares of SOLID BIOSCIENCES INC. valued at approximately $886.9K. Form 144 is a notice of intent to sell restricted or control securities — not a mandatory transaction. This filing provides advance warning of potential selling pressure.
Filed: 2/4/2026ACC: 0001193125-26-038025
DirectorOfficer· President and CEO
Since Feb 2026
139.98K
Shares to sell
$886.9K
Approx. market value
48.91K
Acquired (3 months)
1
Planned
2 completed
Securities Acquired — Last 3 Months1
Settlement of vested restricted stock units
Compensation
2/4/2026
48.91KTotal acquired48.91K
| Acquisition Date | Type | Amount Acquired | Gift |
|---|---|---|---|
2/4/2026 | Settlement of vested restricted stock units Compensation | 48.91K | — |
| Total | 48.91K | ||
Planned & Completed Dispositions3
Completed
—Completed
Units to sell
80.26K
Market value
$516.6K
2/2/2026
—Completed
Units to sell
10.81K
Market value
$55.2K
12/3/2025
Planned — Approximate Date
NASDAQPlanned
Units to sell
48.91K
Market value
$315.1K
2/4/2026
Total
Units
139.98K
Value
$886.9K
| Date | Units to Sell | Approx. Market Value | Exchange | Status |
|---|---|---|---|---|
| Completed | ||||
2/2/2026 | 80.26K | $516.6K | — | Completed |
12/3/2025 | 10.81K | $55.2K | — | Completed |
| Planned — Approximate Date | ||||
2/4/2026 | 48.91K | $315.1K | NASDAQ | Planned |
| Total | 139.98K | $886.9K | ||