Insider · CIK 0001789632

Heery Christopher

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

sec.gov

Transactions

Companies

Filings

CIK

0001789632

Forms 4 and 5

Insider transactions

50 trades

Date	Company	Role	Code	Shares	Price	Value	Shares after
2026-04-28	Arcellx, Inc.Stock Option (right to buy)D Disposition to Issuer	CHIEF MEDICAL OFFICER	DDisposition to Issuer	−60.1K sh	—	—	0
2026-04-28	Arcellx, Inc.Restricted Stock UnitD Disposition to Issuer	CHIEF MEDICAL OFFICER	DDisposition to Issuer	−67.7K sh	—	—	0
2026-04-28	Arcellx, Inc.Stock Option (right to buy)D Disposition to Issuer	CHIEF MEDICAL OFFICER	DDisposition to Issuer	−40K sh	—	—	0
2026-04-28	Arcellx, Inc.Restricted Stock UnitD Disposition to Issuer	CHIEF MEDICAL OFFICER	DDisposition to Issuer	−39.2K sh	—	—	0
2026-04-28	Arcellx, Inc.Restricted Stock UnitD Disposition to Issuer	CHIEF MEDICAL OFFICER	DDisposition to Issuer	−13K sh	—	—	0
2026-04-28	Arcellx, Inc.Stock Option (right to buy)D Disposition to Issuer	CHIEF MEDICAL OFFICER	DDisposition to Issuer	−10.9K sh	—	—	0
2026-04-28	Arcellx, Inc.U Disposition from Tender	CHIEF MEDICAL OFFICER	UDisposition from Tender	−23.7K sh	—	—	0
2026-04-28	Arcellx, Inc.Stock Option (right to buy)D Disposition to Issuer	CHIEF MEDICAL OFFICER	DDisposition to Issuer	−43.6K sh	—	—	0
2026-04-28	Arcellx, Inc.Stock Option (right to buy)D Disposition to Issuer	CHIEF MEDICAL OFFICER	DDisposition to Issuer	−132K sh	—	—	0
2026-04-28	Arcellx, Inc.Performance-based Restricted Stock UnitA Award	CHIEF MEDICAL OFFICER	AAward	+45.1K sh	—	—	45,138
2026-04-28	Arcellx, Inc.Stock Option (right to buy)D Disposition to Issuer	CHIEF MEDICAL OFFICER	DDisposition to Issuer	−76.2K sh	—	—	0
2026-04-28	Arcellx, Inc.Performance-based Restricted Stock UnitD Disposition to Issuer	CHIEF MEDICAL OFFICER	DDisposition to Issuer	−45.1K sh	—	—	0
2026-01-14	Arcellx, Inc.S Sale	CHIEF MEDICAL OFFICER	SSale	−5,882 sh	$68.51	−$403K	23,749
2026-01-13	Arcellx, Inc.S Sale	CHIEF MEDICAL OFFICER	SSale	−7,437 sh	$65.51	−$487K	29,631
2026-01-12	Arcellx, Inc.S Sale	CHIEF MEDICAL OFFICER	SSale	−6,131 sh	$64.15	−$393K	37,068
2026-01-06	Arcellx, Inc.M Exercise/Conversion	CHIEF MEDICAL OFFICER	MExercise/Conversion	+13.1K sh	—	—	43,199
2026-01-06	Arcellx, Inc.M Exercise/Conversion	CHIEF MEDICAL OFFICER	MExercise/Conversion	+13.1K sh	—	—	43,199
2026-01-06	Arcellx, Inc.Restricted Stock UnitM Exercise/Conversion	CHIEF MEDICAL OFFICER	MExercise/Conversion	−13.1K sh	—	—	39,194
2026-01-03	Arcellx, Inc.Restricted Stock UnitM Exercise/Conversion	CHIEF MEDICAL OFFICER	MExercise/Conversion	−16.5K sh	—	—	0
2026-01-03	Arcellx, Inc.M Exercise/Conversion	CHIEF MEDICAL OFFICER	MExercise/Conversion	+16.5K sh	—	—	30,135
2026-01-03	Arcellx, Inc.M Exercise/Conversion	CHIEF MEDICAL OFFICER	MExercise/Conversion	+16.5K sh	—	—	30,135
2026-01-02	Arcellx, Inc.Restricted Stock UnitM Exercise/Conversion	CHIEF MEDICAL OFFICER	MExercise/Conversion	−13K sh	—	—	13,021
2026-01-02	Arcellx, Inc.Restricted Stock UnitA Award	CHIEF MEDICAL OFFICER	AAward	+67.7K sh	—	—	67,708
2026-01-02	Arcellx, Inc.M Exercise/Conversion	CHIEF MEDICAL OFFICER	MExercise/Conversion	+13K sh	—	—	13,615
2026-01-02	Arcellx, Inc.M Exercise/Conversion	CHIEF MEDICAL OFFICER	MExercise/Conversion	+13K sh	—	—	13,615
2025-11-17	Arcellx, Inc.S Sale	CHIEF MEDICAL OFFICER	SSale	−340 sh	$90.00	−$30.6K	284
2025-09-30	Arcellx, Inc.S Sale	CHIEF MEDICAL OFFICER	SSale	−5,300 sh	$80.55	−$427K	16,358
2025-09-30	Arcellx, Inc.S Sale	CHIEF MEDICAL OFFICER	SSale	−14.2K sh	$81.46	−$1.16M	2,154
2025-09-30	Arcellx, Inc.S Sale	CHIEF MEDICAL OFFICER	SSale	−1,530 sh	$82.20	−$126K	624
2025-09-29	Arcellx, Inc.S Sale	CHIEF MEDICAL OFFICER	SSale	−73 sh	$80.16	−$5,851.68	21,658
2025-09-26	Arcellx, Inc.S Sale	CHIEF MEDICAL OFFICER	SSale	−12.4K sh	$80.12	−$993K	21,731
2025-09-19	Arcellx, Inc.S Sale	CHIEF MEDICAL OFFICER	SSale	−300 sh	$80.00	−$24K	34,127
2025-09-18	Arcellx, Inc.S Sale	CHIEF MEDICAL OFFICER	SSale	−3,343 sh	$80.01	−$267K	34,427
2025-02-24	Arcellx, Inc.S Sale	CHIEF MEDICAL OFFICER	SSale	−4,370 sh	$63.14	−$276K	43,271
2025-02-24	Arcellx, Inc.S Sale	CHIEF MEDICAL OFFICER	SSale	−5,577 sh	$64.26	−$358K	37,694
2025-02-24	Arcellx, Inc.S Sale	CHIEF MEDICAL OFFICER	SSale	−208 sh	$64.88	−$13.5K	37,486
2025-02-07	Arcellx, Inc.M Exercise/Conversion	CHIEF MEDICAL OFFICER	MExercise/Conversion	+22.6K sh	—	—	47,641
2025-02-07	Arcellx, Inc.Restricted Stock UnitM Exercise/Conversion	CHIEF MEDICAL OFFICER	MExercise/Conversion	−22.6K sh	—	—	0
2025-02-07	Arcellx, Inc.M Exercise/Conversion	CHIEF MEDICAL OFFICER	MExercise/Conversion	+22.6K sh	—	—	47,641
2025-02-07	Arcellx, Inc.Restricted Stock UnitM Exercise/Conversion	CHIEF MEDICAL OFFICER	MExercise/Conversion	−22.6K sh	—	—	0
2025-01-08	Arcellx, Inc.S Sale	CHIEF MEDICAL OFFICER	SSale	−3,553 sh	$73.69	−$262K	25,085
2025-01-07	Arcellx, Inc.S Sale	CHIEF MEDICAL OFFICER	SSale	−4,230 sh	$75.53	−$319K	28,638
2025-01-06	Arcellx, Inc.S Sale	CHIEF MEDICAL OFFICER	SSale	−3,061 sh	$77.17	−$236K	32,456
2025-01-06	Arcellx, Inc.Restricted Stock UnitA Award	CHIEF MEDICAL OFFICER	AAward	+52.3K sh	—	—	52,258
2025-01-06	Arcellx, Inc.S Sale	CHIEF MEDICAL OFFICER	SSale	−2,975 sh	$77.17	−$230K	32,868
2025-01-06	Arcellx, Inc.Restricted Stock UnitA Award	CHIEF MEDICAL OFFICER	AAward	+52.3K sh	—	—	52,258
2025-01-06	Arcellx, Inc.S Sale	CHIEF MEDICAL OFFICER	SSale	−3,061 sh	$77.17	−$236K	32,456
2025-01-03	Arcellx, Inc.Restricted Stock UnitM Exercise/Conversion	CHIEF MEDICAL OFFICER	MExercise/Conversion	−16.5K sh	—	—	16,520
2025-01-03	Arcellx, Inc.M Exercise/Conversion	CHIEF MEDICAL OFFICER	MExercise/Conversion	+16.5K sh	—	—	38,818
2025-01-03	Arcellx, Inc.S Sale	CHIEF MEDICAL OFFICER	SSale	−3,301 sh	$79.55	−$263K	35,517

Recent filings

Accepted (ET)
Apr 284
Heery Christopher0001789632-26-000010
SEC(opens sec.gov)
Jan 144
Heery Christopher0001193125-26-013284
SEC(opens sec.gov)
Jan 134
Heery Christopher0001193125-26-012077
SEC(opens sec.gov)
Jan 124
Heery Christopher0001193125-26-010889
SEC(opens sec.gov)
Jan 64
Heery Christopher0001193125-26-005096
SEC(opens sec.gov)

Companies

Address

C/O ARCELLX, INC. 800 BRIDGE PARKWAY

REDWOOD CITY, CA, 94065