GILSON MICHELLE

PrivateCIK: 1930862
Location

REDWOOD CITY, CA

Senior insider sale

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

$1.36M

19.68K shares

What this filing means

GILSON MICHELLE plans to sell 19.68K shares of ARCELLX, INC. valued at approximately $1.36M. 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
19.68K
Shares to sell
$1.36M
Approx. market value
15.34K
Acquired (3 months)
1
Planned
1 completed
Securities Acquired — Last 3 Months1
Sort

Restricted Stock Units

N/A

1/3/2026
15.34K
Total acquired15.34K
Planned & Completed Dispositions2
Sort

Completed

Completed

Units to sell

11.29K

Market value

$784.8K

2/17/2026

Planned — Approximate Date

NASDAQPlanned

Units to sell

8.38K

Market value

$572.6K

2/19/2026
Total

Units

19.68K

Value

$1.36M

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