Christopher Heery Arcellx, Inc. (ACLX) insider trading activity

Christopher Heery is CHIEF MEDICAL OFFICER of Arcellx, Inc.. Currently has a direct ownership of 624 shares of ACLX, which is worth approximately $53,426. The most recent transaction as insider was on Sep 30, 2025, when has been sold 21,034 shares (Common Stock) at a price of $81.4 per share, resulting in proceeds of $1,712,167. This information was disclosed in a Form 4 filing with the Securities and Exchange Commission (SEC).

Shares Held (Direct Ownership) 624

98.34% 3M change

93.27% 12M change

Total Value Held $53,426

Christopher Heery Transaction History

Date	Transaction	Value	Shares Traded	Shares Held
Sep 30 2025	SELL Open market or private sale	$1,712,167 $81.4 p/Share	21,034 Reduced 97.12%	624 Common Stock
Sep 29 2025	SELL Open market or private sale	$5,851 $80.16 p/Share	73 Reduced 0.34%	21,658 Common Stock
Sep 26 2025	SELL Open market or private sale	$993,167 $80.12 p/Share	12,396 Reduced 36.32%	21,731 Common Stock
Sep 19 2025	SELL Open market or private sale	$24,000 $80.0 p/Share	300 Reduced 0.87%	34,127 Common Stock
Sep 18 2025	SELL Open market or private sale	$267,473 $80.01 p/Share	3,343 Reduced 8.85%	34,427 Common Stock
Feb 24 2025	SELL Open market or private sale	$650,833 $64.09 p/Share	10,155 Reduced 21.32%	37,486 Common Stock
Feb 07 2025	BUY Exercise of conversion of derivative security	-	22,556 Added 32.13%	47,641 Common Stock
Feb 07 2025	BUY Exercise of conversion of derivative security	-	22,556 Added 32.13%	47,641 Common Stock
Jan 08 2025	SELL Open market or private sale	$261,820 $73.69 p/Share	3,553 Reduced 12.41%	25,085 Common Stock
Jan 07 2025	SELL Open market or private sale	$319,491 $75.53 p/Share	4,230 Reduced 12.87%	28,638 Common Stock
Jan 06 2025	SELL Open market or private sale	$236,217 $77.17 p/Share	3,061 Reduced 8.62%	32,456 Common Stock
Jan 06 2025	SELL Open market or private sale	$236,217 $77.17 p/Share	3,061 Reduced 8.62%	32,456 Common Stock
Jan 03 2025	SELL Open market or private sale	$262,594 $79.55 p/Share	3,301 Reduced 8.5%	35,517 Common Stock
Jan 03 2025	SELL Open market or private sale	$262,594 $79.55 p/Share	3,301 Reduced 8.5%	35,517 Common Stock
Jan 03 2025	BUY Exercise of conversion of derivative security	-	16,519 Added 29.85%	38,818 Common Stock
Jan 03 2025	BUY Exercise of conversion of derivative security	-	16,519 Added 29.85%	38,818 Common Stock
Jan 03 2025	BUY Exercise of conversion of derivative security	-	16,519 Added 29.85%	38,818 Common Stock
Jan 02 2025	BUY Exercise of conversion of derivative security	-	13,021 Added 36.87%	22,299 Common Stock
Jan 02 2025	BUY Exercise of conversion of derivative security	-	13,021 Added 36.87%	22,299 Common Stock
Sep 05 2024	SELL Open market or private sale	$239,538 $70.02 p/Share	3,421 Reduced 26.94%	9,278 Common Stock
Sep 05 2024	BUY Exercise of conversion of derivative security	$51,315 $15.0 p/Share	3,421 Added 21.22%	12,699 Common Stock
Sep 03 2024	SELL Open market or private sale	$1,869,138 $68.09 p/Share	27,451 Reduced 74.74%	9,278 Common Stock
Sep 03 2024	BUY Exercise of conversion of derivative security	$292,078 $10.64 p/Share	27,451 Added 42.77%	36,729 Common Stock
Aug 26 2024	SELL Open market or private sale	$1,538,913 $70.97 p/Share	21,684 Reduced 70.03%	9,278 Common Stock
Aug 26 2024	BUY Exercise of conversion of derivative security	$325,260 $15.0 p/Share	21,684 Added 41.19%	30,962 Common Stock

Christopher Heery

CHIEF MEDICAL OFFICER

Gaithersburg, MD

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