VOLPONE JOHN

PrivateCIK: 2081729
Location

SAN FRANCISCO, CA

Senior insider sale

President at X4 PHARMACEUTICALS, INC — senior position signals high conviction

$111.9K

24.58K shares

What this filing means

VOLPONE JOHN plans to sell 24.58K shares of X4 PHARMACEUTICALS, INC valued at approximately $111.9K. 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.

InsiderVOLPONE JOHNCIK 2081729
IssuerX4 PHARMACEUTICALS, INCCIK 1501697
Officer· President
Since Aug 2025
24.58K
Shares to sell
$111.9K
Approx. market value
96.63K
Acquired (3 months)
1
Planned
Securities Acquired — Last 3 Months1
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Restricted Stock Unit Vesting

Compensation

8/12/2026
96.63K
Total acquired96.63K
Planned & Completed Dispositions1
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NASDAQPlanned

Units to sell

24.58K

Market value

$111.9K

8/12/2026
Total

Units

24.58K

Value

$111.9K