Insider · CIK 0001613689

Elghandour Rami

Reports to the SEC for 2 companies · REDWOOD CITY, CA

sec.gov

Transactions

Companies

Filings

CIK

0001613689

Forms 4 and 5

Insider transactions

50 trades

Date	Company	Role	Code	Shares	Price	Value	Shares after
2026-04-28	Arcellx, Inc.Performance-based Restricted Stock UnitD Disposition to Issuer	Director, SEE REMARKS	DDisposition to Issuer	−148K sh	—	—	0
2026-04-28	Arcellx, Inc.Stock Option (right to buy)D Disposition to Issuer	Director, SEE REMARKS	DDisposition to Issuer	−245K sh	—	—	0
2026-04-28	Arcellx, Inc.Stock Option (right to buy)D Disposition to Issuer	Director, SEE REMARKS	DDisposition to Issuer	−120K sh	—	—	0
2026-04-28	Arcellx, Inc.Performance-based Restricted Stock UnitD Disposition to Issuer	Director, SEE REMARKS	DDisposition to Issuer	−139K sh	—	—	0
2026-04-28	Arcellx, Inc.Performance-based Restricted Stock UnitA Award	Director, SEE REMARKS	AAward	+148K sh	—	—	147,745
2026-04-28	Arcellx, Inc.U Disposition from Tender	Director, SEE REMARKS	UDisposition from Tender	−175K sh	—	—	0
2026-04-28	Arcellx, Inc.Performance-based Restricted Stock UnitA Award	Director, SEE REMARKS	AAward	+284K sh	—	—	284,388
2026-04-28	Arcellx, Inc.U Disposition from Tender	Director, SEE REMARKS	UDisposition from Tender	−101K sh	—	—	0
2026-04-28	Arcellx, Inc.Stock Option (right to buy)D Disposition to Issuer	Director, SEE REMARKS	DDisposition to Issuer	−1.07M sh	—	—	0
2026-04-28	Arcellx, Inc.U Disposition from Tender	Director, SEE REMARKS	UDisposition from Tender	−219K sh	—	—	0
2026-04-28	Arcellx, Inc.Stock Option (right to buy)D Disposition to Issuer	Director, SEE REMARKS	DDisposition to Issuer	−256K sh	—	—	0
2026-04-28	Arcellx, Inc.Restricted Stock UnitD Disposition to Issuer	Director, SEE REMARKS	DDisposition to Issuer	−208K sh	—	—	0
2026-04-28	Arcellx, Inc.Stock Option (right to buy)D Disposition to Issuer	Director, SEE REMARKS	DDisposition to Issuer	−838K sh	—	—	0
2026-04-28	Arcellx, Inc.Performance-based Restricted Stock UnitA Award	Director, SEE REMARKS	AAward	+139K sh	—	—	138,888
2026-04-28	Arcellx, Inc.Performance-based Restricted Stock UnitD Disposition to Issuer	Director, SEE REMARKS	DDisposition to Issuer	−284K sh	—	—	0
2026-04-28	Arcellx, Inc.Stock Option (right to buy)D Disposition to Issuer	Director, SEE REMARKS	DDisposition to Issuer	−810K sh	—	—	0
2026-04-28	Arcellx, Inc.Restricted Stock UnitD Disposition to Issuer	Director, SEE REMARKS	DDisposition to Issuer	−168K sh	—	—	0
2026-04-28	Arcellx, Inc.U Disposition from Tender	Director, SEE REMARKS	UDisposition from Tender	−198K sh	—	—	0
2026-04-28	Arcellx, Inc.Restricted Stock UnitD Disposition to Issuer	Director, SEE REMARKS	DDisposition to Issuer	−55.5K sh	—	—	0
2026-03-04	Arcellx, Inc.G Gift	Director, SEE REMARKS	GGift	−101K sh	—	—	174,887
2026-02-27	Arcellx, Inc.S Sale	Director, SEE REMARKS	SSale	−89.9K sh	$113.92	−$10.2M	276,051
2026-02-11	Arcellx, Inc.G Gift	Director, SEE REMARKS	GGift	−219K sh	—	—	563,967
2026-02-11	Arcellx, Inc.G Gift	Director, SEE REMARKS	GGift	−198K sh	—	—	365,967
2026-01-06	Arcellx, Inc.M Exercise/Conversion	Director, SEE REMARKS	MExercise/Conversion	+56K sh	—	—	782,467
2026-01-06	Arcellx, Inc.M Exercise/Conversion	Director, SEE REMARKS	MExercise/Conversion	+56K sh	—	—	782,467
2026-01-06	Arcellx, Inc.Restricted Stock UnitM Exercise/Conversion	Director, SEE REMARKS	MExercise/Conversion	−56K sh	—	—	167,973
2026-01-03	Arcellx, Inc.M Exercise/Conversion	Director, SEE REMARKS	MExercise/Conversion	+53.1K sh	—	—	726,476
2026-01-03	Arcellx, Inc.Restricted Stock UnitM Exercise/Conversion	Director, SEE REMARKS	MExercise/Conversion	−53.1K sh	—	—	0
2026-01-03	Arcellx, Inc.M Exercise/Conversion	Director, SEE REMARKS	MExercise/Conversion	+53.1K sh	—	—	726,476
2026-01-02	Arcellx, Inc.M Exercise/Conversion	Director, SEE REMARKS	MExercise/Conversion	+55.5K sh	—	—	673,378
2026-01-02	Arcellx, Inc.Restricted Stock UnitM Exercise/Conversion	Director, SEE REMARKS	MExercise/Conversion	−55.5K sh	—	—	55,459
2026-01-02	Arcellx, Inc.Restricted Stock UnitA Award	Director, SEE REMARKS	AAward	+208K sh	—	—	208,333
2026-01-02	Arcellx, Inc.M Exercise/Conversion	Director, SEE REMARKS	MExercise/Conversion	+55.5K sh	—	—	673,378
2025-08-28	Arcellx, Inc.F Tax Payment	Director, SEE REMARKS	FTax Payment	−547K sh	$70.25	−$38.4M	617,919
2025-02-27	Arcellx, Inc.A Award	Director, SEE REMARKS	AAward	+347K sh	—	—	1,164,857
2025-02-27	Arcellx, Inc.A Award	Director, SEE REMARKS	AAward	+668K sh	—	—	817,602
2025-02-26	Arcellx, Inc.S Sale	Director, SEE REMARKS	SSale	−6,334 sh	$61.14	−$387K	181,152
2025-02-26	Arcellx, Inc.S Sale	Director, SEE REMARKS	SSale	−21.1K sh	$61.95	−$1.31M	160,075
2025-02-26	Arcellx, Inc.S Sale	Director, SEE REMARKS	SSale	−10.9K sh	$62.69	−$683K	149,186
2025-02-07	Arcellx, Inc.Restricted Stock UnitM Exercise/Conversion	Director, SEE REMARKS	MExercise/Conversion	−70.2K sh	—	—	0
2025-02-07	Arcellx, Inc.M Exercise/Conversion	Director, SEE REMARKS	MExercise/Conversion	+70.2K sh	—	—	187,486
2025-02-07	Arcellx, Inc.M Exercise/Conversion	Director, SEE REMARKS	MExercise/Conversion	+70.2K sh	—	—	187,486
2025-02-07	Arcellx, Inc.Restricted Stock UnitM Exercise/Conversion	Director, SEE REMARKS	MExercise/Conversion	−70.2K sh	—	—	0
2025-01-08	Arcellx, Inc.S Sale	Director, SEE REMARKS	SSale	−13.8K sh	$73.69	−$1.02M	117,275
2025-01-07	Arcellx, Inc.S Sale	Director, SEE REMARKS	SSale	−16.5K sh	$75.53	−$1.24M	131,112
2025-01-06	Arcellx, Inc.S Sale	Director, SEE REMARKS	SSale	−13.8K sh	$77.17	−$1.06M	149,176
2025-01-06	Arcellx, Inc.S Sale	Director, SEE REMARKS	SSale	−15.1K sh	$77.17	−$1.17M	147,586
2025-01-06	Arcellx, Inc.Restricted Stock UnitA Award	Director, SEE REMARKS	AAward	+224K sh	—	—	223,964
2025-01-03	Arcellx, Inc.Restricted Stock UnitM Exercise/Conversion	Director, SEE REMARKS	MExercise/Conversion	−53.1K sh	—	—	53,098
2025-01-03	Arcellx, Inc.M Exercise/Conversion	Director, SEE REMARKS	MExercise/Conversion	+53.1K sh	—	—	177,809

Recent filings

Accepted (ET)
Apr 284
Elghandour Rami0001613689-26-000009
SEC(opens sec.gov)
Mar 44
Elghandour Rami0001193125-26-092135
SEC(opens sec.gov)

Companies

Address

C/O ARCELLX, INC 800 BRIDGE PARKWAY

REDWOOD CITY, CA, 94065