ELGHANDOUR RAMI

PrivateCIK: 1613689
Location

REDWOOD CITY, CA

ELGHANDOUR RAMI (See Remarks) reported 4 transactions at ARCELLX, INC.

Review the transaction codes below to understand the nature of each event.

InsiderELGHANDOUR RAMICIK 1613689
IssuerARCELLX, INC.CIK 1786205
DirectorOfficer· See Remarks
Since Feb 2022
-4.46M
Net shares
Net seller
$0.00
Total acquired
0
Open market trades
0B · 0S
19
Total transactions
571.02K acquired · 5.03M disposed
Non-Derivative Transactions4

Common Stock

Direct
U · U

Shares

174.89K

Price / share

Trade value

% of position

New position
4/28/2026
174.89K0.00

Common Stock

Indirect
U · U

Shares

198K

Price / share

Trade value

% of position

New position
4/28/2026
198K0.00

Common Stock

Indirect
U · U

Shares

218.50K

Price / share

Trade value

% of position

New position
4/28/2026
218.50K0.00

Common Stock

Indirect
U · U

Shares

101.16K

Price / share

Trade value

% of position

New position
4/28/2026
101.16K0.00
Total

Net shares

692.55K

Net value

$0.00

Derivative Transactions15

Stock Option (right to buy)

Direct
D · Disposition
Converts to

Common Stock

1.07M shares

Shares

1.07M

Strike price

6.28

Held after

0.00

Exercisable

4/28/2026

Stock Option (right to buy)

Direct
D · Disposition
Converts to

Common Stock

837.60K shares

Shares

837.60K

Strike price

6.28

Held after

0.00

Exercisable

4/28/2026

Stock Option (right to buy)

Direct
D · Disposition
Converts to

Common Stock

120K shares

Shares

120K

Strike price

19.97

Held after

0.00

Exercisable

4/28/2026

Stock Option (right to buy)

Direct
D · Disposition
Converts to

Common Stock

245.06K shares

Shares

245.06K

Strike price

31.03

Held after

0.00

Exercisable

4/28/2026

Stock Option (right to buy)

Direct
D · Disposition
Converts to

Common Stock

255.97K shares

Shares

255.97K

Strike price

56.15

Held after

0.00

Exercisable

4/28/2026

Stock Option (right to buy)

Indirect
D · Disposition
Converts to

Common Stock

810.10K shares

Shares

810.10K

Strike price

15

Held after

0.00

Exercisable

4/28/2026

Restricted Stock Unit

Direct
D · Disposition
Converts to

Common Stock

55.46K shares

Shares

55.46K

Strike price

Held after

0.00

Exercisable

4/28/2026

Restricted Stock Unit

Direct
D · Disposition
Converts to

Common Stock

167.97K shares

Shares

167.97K

Strike price

Held after

0.00

Exercisable

4/28/2026

Restricted Stock Unit

Direct
D · Disposition
Converts to

Common Stock

208.33K shares

Shares

208.33K

Strike price

Held after

0.00

Exercisable

4/28/2026

Performance-based Restricted Stock Unit

Direct
A · Award
Converts to

Common Stock

147.75K shares

Shares

+147.75K

Strike price

Held after

147.75K

Exercisable

4/28/2026

Performance-based Restricted Stock Unit

Direct
D · Disposition
Converts to

Common Stock

147.75K shares

Shares

147.75K

Strike price

Held after

0.00

Exercisable

4/28/2026

Performance-based Restricted Stock Unit

Direct
A · Award
Converts to

Common Stock

284.39K shares

Shares

+284.39K

Strike price

Held after

284.39K

Exercisable

4/28/2026

Performance-based Restricted Stock Unit

Direct
D · Disposition
Converts to

Common Stock

284.39K shares

Shares

284.39K

Strike price

Held after

0.00

Exercisable

4/28/2026

Performance-based Restricted Stock Unit

Direct
A · Award
Converts to

Common Stock

138.89K shares

Shares

+138.89K

Strike price

Held after

138.89K

Exercisable

4/28/2026

Performance-based Restricted Stock Unit

Direct
D · Disposition
Converts to

Common Stock

138.89K shares

Shares

138.89K

Strike price

Held after

0.00

Exercisable

4/28/2026
ELGHANDOUR RAMI — Insider Transaction (Form 4) Filed Apr 28, 2026 | Finecho