GILSON MICHELLE

PrivateCIK: 1930862
Location

REDWOOD CITY, CA

Senior insider sale

Chief Financial Officer at ARCELLX, INC. — senior position signals high conviction

$2.63M

30.89K shares

What this filing means

GILSON MICHELLE plans to sell 30.89K shares of ARCELLX, INC. valued at approximately $2.63M. 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.

InsiderGILSON MICHELLECIK 1930862
IssuerARCELLX, INC.CIK 1786205
Officer· Chief Financial Officer
Since May 2022
30.89K
Shares to sell
$2.63M
Approx. market value
20.53K
Acquired (3 months)
1
Planned
2 completed
Securities Acquired — Last 3 Months1
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Restricted Stock Units

N/A

1/6/2026
20.53K
Total acquired20.53K
Planned & Completed Dispositions3
Sort

Completed

Completed

Units to sell

8.38K

Market value

$572.6K

2/19/2026
Completed

Units to sell

11.29K

Market value

$784.8K

2/17/2026

Planned — Approximate Date

NASDAQPlanned

Units to sell

11.22K

Market value

$1.28M

2/25/2026
Total

Units

30.89K

Value

$2.63M

GILSON MICHELLE — Planned Insider Sale (Form 144) | Finecho