Arcellx, Inc.

ACLX

Arcellx, Inc. (ACLX) has 8 disclosed filings on Paydirt over the trailing twelve months from 4 corporate insiders: 0 purchases and 8 sales. Filers took a median of 0 days from execution to disclosure, and the most recent trade was executed Feb 27 and filed Feb 27. The most active filer was Michelle Gilson with 3 filings. Data as of Nov 8 2026.

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Filings, ttm

0 buys · 8 sells

Traders, ttm

4 insiders

Volume, ttmiDollar value disclosed in the window

$14.6M

estimated for Congress, as filed for insiders

Median delay

execution to disclosure

Last traded

Feb 27

Filed Feb 27

ADViAverage daily dollar volume

–

not on file

No price series on file for ACLX yet.

Volume by month

Buys $0 Sells $34.6M

Estimated for Congress, as filed for insiders · by filing month · past 24 months

Who filed · past 24 months

CH Christopher Heery CHIEF MEDICAL OFFICER 11 filings · 0 buys, 11 sales MG Michelle Gilson CHIEF FINANCIAL OFFICER 10 filings · 0 buys, 10 sales RE Rami Elghandour SEE REMARKS 5 filings · 0 buys, 5 sales KP Kavita Patel Director 5 filings · 0 buys, 5 sales DL David Charles Lubner Director 1 filing · 0 buys, 1 sale

Recent filings

Rami ElghandourSALE SEE REMARKS $10.2M
89,916 sh × $113.92
Exec Feb 27
Filed Feb 27 · 5:30 PM ET Michelle GilsonSALE CHIEF FINANCIAL OFFICER $1.3M
11,219 sh × $113.82
Exec Feb 25
Filed Feb 25 · 5:30 PM ET Michelle GilsonSALE CHIEF FINANCIAL OFFICER $566K
8,284 sh across 2 lots
Exec Feb 19
Filed Feb 19 · 5:30 PM ET Michelle GilsonSALE CHIEF FINANCIAL OFFICER $785K
11,291 sh across 2 lots
Exec Feb 17
Filed Feb 18 · 5:30 PM ET David Charles LubnerSALE Director $450K
6,000 sh × $75.00
Exec Jan 20
Filed Jan 20 · 5:30 PM ET Christopher HeerySALE CHIEF MEDICAL OFFICER $403K
5,882 sh × $68.51
Exec Jan 14
Filed Jan 14 · 5:30 PM ET Christopher HeerySALE CHIEF MEDICAL OFFICER $487K
7,437 sh × $65.51
Exec Jan 13
Filed Jan 13 · 5:30 PM ET Christopher HeerySALE CHIEF MEDICAL OFFICER $393K
6,131 sh × $64.15
Exec Jan 12
Filed Jan 12 · 5:30 PM ET Michelle GilsonSALE CHIEF FINANCIAL OFFICER $488K
5,364 sh × $91.04
Exec Oct 15 2025
Filed Oct 15 2025 · 5:30 PM ET Michelle GilsonSALE CHIEF FINANCIAL OFFICER $420K
4,882 sh × $86.00
Exec Oct 3 2025
Filed Oct 6 2025 · 5:30 PM ET Christopher HeerySALE CHIEF MEDICAL OFFICER $1.7M
21,034 sh across 3 lots
Exec Sep 30 2025
Filed Sep 30 2025 · 5:30 PM ET Christopher HeerySALE CHIEF MEDICAL OFFICER $993K
12,396 sh × $80.12
Exec Sep 26 2025
Filed Sep 26 2025 · 5:30 PM ET Christopher HeerySALE CHIEF MEDICAL OFFICER $267K
3,343 sh × $80.01
Exec Sep 18 2025
Filed Sep 19 2025 · 5:30 PM ET Kavita PatelSALE Director $101K
1,500 sh × $67.36
Exec Jun 10 2025
Filed Jun 11 2025 · 5:30 PM ET Michelle GilsonSALE CHIEF FINANCIAL OFFICER $785K
12,235 sh across 2 lots
Exec May 27 2025
Filed May 28 2025 · 5:30 PM ET Kavita PatelSALE Director $107K
1,500 sh × $71.64
Exec Mar 18 2025
Filed Mar 18 2025 · 5:30 PM ET Rami ElghandourSALE SEE REMARKS $2.4M
38,300 sh across 3 lots
Exec Feb 26 2025
Filed Feb 26 2025 · 5:30 PM ET Christopher HeerySALE CHIEF MEDICAL OFFICER $634K
9,947 sh across 2 lots
Exec Feb 24 2025
Filed Feb 24 2025 · 5:30 PM ET Rami ElghandourSALE SEE REMARKS $2.4M
30,223 sh across 2 lots
Exec Jan 3 2025
Filed Jan 10 2025 · 5:30 PM ET † Michelle GilsonSALE CHIEF FINANCIAL OFFICER $881K
11,243 sh across 2 lots
Exec Jan 3 2025
Filed Jan 10 2025 · 5:30 PM ET † Christopher HeerySALE CHIEF MEDICAL OFFICER $466K
5,950 sh across 2 lots
Exec Jan 3 2025
Filed Jan 10 2025 · 5:30 PM ET † Rami ElghandourSALE SEE REMARKS $2.3M
30,311 sh across 2 lots
Exec Jan 7 2025
Filed Jan 10 2025 · 5:30 PM ET † Michelle GilsonSALE CHIEF FINANCIAL OFFICER $1.4M
18,009 sh across 6 lots
Exec Jan 7 2025
Filed Jan 10 2025 · 5:30 PM ET † Christopher HeerySALE CHIEF MEDICAL OFFICER $581K
7,783 sh across 2 lots
Exec Jan 7 2025
Filed Jan 10 2025 · 5:30 PM ET † Rami ElghandourSALE SEE REMARKS $2.2M
28,633 sh across 2 lots
Exec Jan 3 2025
Filed Jan 6 2025 · 5:30 PM ET