VIECELI JOHN S.

PrivateCIK: 2032947
Location

BRANFORD, CT

Senior insider sale

Chief Product Officer at QUANTUM-SI INC — senior position signals high conviction

$28.1K

30.22K shares

What this filing means

VIECELI JOHN S. plans to sell 30.22K shares of QUANTUM-SI INC valued at approximately $28.1K. 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.

InsiderVIECELI JOHN S.CIK 2032947
IssuerQUANTUM-SI INCCIK 1816431
Officer· Chief Product Officer
Since Mar 2026
30.22K
Shares to sell
$28.1K
Approx. market value
79.59K
Acquired (3 months)
1
Planned
Securities Acquired — Last 3 Months1
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Restricted Stock Unit Vesting

Equity compensation for services rendered

6/20/2026
79.59K
Total acquired79.59K
Planned & Completed Dispositions1
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NASDAQPlanned

Units to sell

30.22K

Market value

$28.1K

6/22/2026
Total

Units

30.22K

Value

$28.1K