LUBNER DAVID CHARLES

PrivateCIK: 1572000
Location

WATERTOWN, MA

LUBNER DAVID CHARLES reported 1 transaction at ARCELLX, INC.

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

InsiderLUBNER DAVID CHARLESCIK 1572000
IssuerARCELLX, INC.CIK 1786205
Director
Since Feb 2022
-216.67K
Net shares
Net seller
$0.00
Total acquired
0
Open market trades
0B · 0S
8
Total transactions
216.67K disposed
Non-Derivative Transactions1

Common Stock

Direct
U · U

Shares

21.66K

Price / share

Trade value

% of position

New position
4/28/2026
21.66K0.00
Total

Net shares

21.66K

Net value

$0.00

Derivative Transactions7

Stock Option (right to buy)

Direct
D · Disposition
Converts to

Common Stock

13.63K shares

Shares

13.63K

Strike price

6.83

Held after

0.00

Exercisable

4/28/2026

Stock Option (right to buy)

Direct
D · Disposition
Converts to

Common Stock

59.41K shares

Shares

59.41K

Strike price

6.28

Held after

0.00

Exercisable

4/28/2026

Stock Option (right to buy)

Direct
D · Disposition
Converts to

Common Stock

31.79K shares

Shares

31.79K

Strike price

6.66

Held after

0.00

Exercisable

4/28/2026

Stock Option (right to buy)

Direct
D · Disposition
Converts to

Common Stock

61.54K shares

Shares

61.54K

Strike price

15

Held after

0.00

Exercisable

4/28/2026

Stock Option (right to buy)

Direct
D · Disposition
Converts to

Common Stock

11.46K shares

Shares

11.46K

Strike price

37.94

Held after

0.00

Exercisable

4/28/2026

Stock Option (right to buy)

Direct
D · Disposition
Converts to

Common Stock

8.01K shares

Shares

8.01K

Strike price

51.30

Held after

0.00

Exercisable

4/28/2026

Stock Option (right to buy)

Direct
D · Disposition
Converts to

Common Stock

9.17K shares

Shares

9.17K

Strike price

63.68

Held after

0.00

Exercisable

4/28/2026
LUBNER DAVID CHARLES — Insider Transaction (Form 4) Filed Apr 28, 2026 | Finecho