Senior insider sale
Chief Financial Officer at X4 PHARMACEUTICALS, INC — senior position signals high conviction
$33.7K
11.77K shares
What this filing means
KIRSKE DAVID plans to sell 11.77K shares of X4 PHARMACEUTICALS, INC valued at approximately $33.7K. 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: 10/2/2026ACC: 0001276750-26-000008
Officer· Chief Financial Officer
Since Aug 2025
11.77K
Shares to sell
$33.7K
Approx. market value
32.21K
Acquired (3 months)
1
Planned
Securities Acquired — Last 3 Months1
Restricted Stock Unit Vesting
Compensation
9/30/2026
32.21KTotal acquired32.21K
| Acquisition Date | Type | Amount Acquired | Gift |
|---|---|---|---|
9/30/2026 | Restricted Stock Unit Vesting Compensation | 32.21K | — |
| Total | 32.21K | ||
Planned & Completed Dispositions1
NASDAQPlanned
Units to sell
11.77K
Market value
$33.7K
10/1/2026
Total
Units
11.77K
Value
$33.7K
| Date | Units to Sell | Approx. Market Value | Exchange | Status |
|---|---|---|---|---|
10/1/2026 | 11.77K | $33.7K | NASDAQ | Planned |
| Total | 11.77K | $33.7K | ||