ACLX

Arcellx, Inc.

Insider trading activity for Arcellx, Inc., straight from SEC Form 4 filings. Net figures below count open-market buys and sales only — grants, option exercises and tax withholding are excluded because they are compensation, not decisions to trade.

Past 3 months

net buying

Bought(0 · 0 insiders): $0
Sold(0 · 0 insiders): $0

Past 6 months

net buying

Bought(0 · 0 insiders): $0
Sold(0 · 0 insiders): $0

Past 12 months

-$17.4M

net selling

Bought(0 · 0 insiders): $0
Sold(19 · 4 insiders): $17.4M

Transaction history

The 100 most recent Form 4 transactions.

Open in screener →

Insider transactions, newest first: date, security, transaction type, size and a link to the filing each row came from.
Date	Insider	Role	Type	Shares	Price	Value	Δ Own	Filing
Apr 28	Myers Kristin	Director	DTOISS◆	1,784	—	—	—	Open the original filing on SEC.gov
Apr 28	Myers Kristin	Director	DTOISS◆	16,829	—	—	—	Open the original filing on SEC.gov
Apr 28	Gilson Michelle	Chief Financial Officer	DTOISS◆	59,028	—	—	—	Open the original filing on SEC.gov
Apr 28	Gilson Michelle	Chief Financial Officer	AGRANT◆	59,028	—	—	—	Open the original filing on SEC.gov
Apr 28	Gilson Michelle	Chief Financial Officer	DTOISS◆	88,542	—	—	—	Open the original filing on SEC.gov
Apr 28	Gilson Michelle	Chief Financial Officer	DTOISS◆	61,590	—	—	—	Open the original filing on SEC.gov
Apr 28	Gilson Michelle	Chief Financial Officer	DTOISS◆	20,496	—	—	—	Open the original filing on SEC.gov
Apr 28	Gilson Michelle	Chief Financial Officer	DTOISS◆	94,596	—	—	—	Open the original filing on SEC.gov
Apr 28	Gilson Michelle	Chief Financial Officer	DTOISS◆	70,796	—	—	—	Open the original filing on SEC.gov
Apr 28	Gilson Michelle	Chief Financial Officer	DTOISS◆	32,500	—	—	—	Open the original filing on SEC.gov
Apr 28	Gilson Michelle	Chief Financial Officer	DTOISS◆	40,205	—	—	—	Open the original filing on SEC.gov
Apr 28	Gilson Michelle	Chief Financial Officer	UTENDR	5,000	—	—	-100.0%	Open the original filing on SEC.gov
Apr 28	Gilson Michelle	Chief Financial Officer	UTENDR	67,048	—	—	-100.0%	Open the original filing on SEC.gov
Apr 28	Heery Christopher	Chief Medical Officer	DTOISS◆	45,138	—	—	—	Open the original filing on SEC.gov
Apr 28	Heery Christopher	Chief Medical Officer	AGRANT◆	45,138	—	—	—	Open the original filing on SEC.gov
Apr 28	Heery Christopher	Chief Medical Officer	DTOISS◆	67,708	—	—	—	Open the original filing on SEC.gov
Apr 28	Heery Christopher	Chief Medical Officer	DTOISS◆	39,194	—	—	—	Open the original filing on SEC.gov
Apr 28	Heery Christopher	Chief Medical Officer	DTOISS◆	13,021	—	—	—	Open the original filing on SEC.gov
Apr 28	Heery Christopher	Chief Medical Officer	DTOISS◆	60,096	—	—	—	Open the original filing on SEC.gov
Apr 28	Heery Christopher	Chief Medical Officer	DTOISS◆	76,242	—	—	—	Open the original filing on SEC.gov
Apr 28	Heery Christopher	Chief Medical Officer	DTOISS◆	40,000	—	—	—	Open the original filing on SEC.gov
Apr 28	Heery Christopher	Chief Medical Officer	DTOISS◆	132,416	—	—	—	Open the original filing on SEC.gov
Apr 28	Heery Christopher	Chief Medical Officer	DTOISS◆	43,604	—	—	—	Open the original filing on SEC.gov
Apr 28	Heery Christopher	Chief Medical Officer	DTOISS◆	10,901	—	—	—	Open the original filing on SEC.gov
Apr 28	Heery Christopher	Chief Medical Officer	UTENDR	23,749	—	—	-100.0%	Open the original filing on SEC.gov
Apr 28	Patel Kavita	Director	DTOISS◆	9,174	—	—	—	Open the original filing on SEC.gov
Apr 28	Patel Kavita	Director	DTOISS◆	8,011	—	—	—	Open the original filing on SEC.gov
Apr 28	Patel Kavita	Director	DTOISS◆	11,459	—	—	—	Open the original filing on SEC.gov
Apr 28	Patel Kavita	Director	DTOISS◆	20,513	—	—	—	Open the original filing on SEC.gov
Apr 28	Patel Kavita	Director	DTOISS◆	27,077	—	—	—	Open the original filing on SEC.gov
Apr 28	Ware Olivia C	Director	DTOISS◆	9,174	—	—	—	Open the original filing on SEC.gov
Apr 28	Ware Olivia C	Director	DTOISS◆	8,011	—	—	—	Open the original filing on SEC.gov
Apr 28	Ware Olivia C	Director	DTOISS◆	11,459	—	—	—	Open the original filing on SEC.gov
Apr 28	Ware Olivia C	Director	DTOISS◆	36,806	—	—	—	Open the original filing on SEC.gov
Apr 28	Elghandour Rami	See Remarks	DTOISS◆	138,888	—	—	—	Open the original filing on SEC.gov
Apr 28	Elghandour Rami	See Remarks	AGRANT◆	138,888	—	—	—	Open the original filing on SEC.gov
Apr 28	Elghandour Rami	See Remarks	DTOISS◆	284,388	—	—	—	Open the original filing on SEC.gov
Apr 28	Elghandour Rami	See Remarks	AGRANT◆	284,388	—	—	—	Open the original filing on SEC.gov
Apr 28	Elghandour Rami	See Remarks	DTOISS◆	147,745	—	—	—	Open the original filing on SEC.gov
Apr 28	Elghandour Rami	See Remarks	AGRANT◆	147,745	—	—	—	Open the original filing on SEC.gov
Apr 28	Elghandour Rami	See Remarks	DTOISS◆	208,333	—	—	—	Open the original filing on SEC.gov
Apr 28	Elghandour Rami	See Remarks	DTOISS◆	167,973	—	—	—	Open the original filing on SEC.gov
Apr 28	Elghandour Rami	See Remarks	DTOISS◆	55,459	—	—	—	Open the original filing on SEC.gov
Apr 28	Elghandour Rami	See Remarks	DTOISS◆	810,102	—	—	—	Open the original filing on SEC.gov
Apr 28	Elghandour Rami	See Remarks	DTOISS◆	255,965	—	—	—	Open the original filing on SEC.gov
Apr 28	Elghandour Rami	See Remarks	DTOISS◆	245,065	—	—	—	Open the original filing on SEC.gov
Apr 28	Elghandour Rami	See Remarks	DTOISS◆	120,000	—	—	—	Open the original filing on SEC.gov
Apr 28	Elghandour Rami	See Remarks	DTOISS◆	837,602	—	—	—	Open the original filing on SEC.gov
Apr 28	Elghandour Rami	See Remarks	DTOISS◆	1.1M	—	—	—	Open the original filing on SEC.gov
Apr 28	Elghandour Rami	See Remarks	UTENDR	101,164	—	—	-100.0%	Open the original filing on SEC.gov
Apr 28	Elghandour Rami	See Remarks	UTENDR	218,500	—	—	-100.0%	Open the original filing on SEC.gov
Apr 28	Elghandour Rami	See Remarks	UTENDR	198,000	—	—	-100.0%	Open the original filing on SEC.gov
Apr 28	Elghandour Rami	See Remarks	UTENDR	174,887	—	—	-100.0%	Open the original filing on SEC.gov
Apr 28	Lubner David Charles	Director	DTOISS◆	9,174	—	—	—	Open the original filing on SEC.gov
Apr 28	Lubner David Charles	Director	DTOISS◆	8,011	—	—	—	Open the original filing on SEC.gov
Apr 28	Lubner David Charles	Director	DTOISS◆	11,459	—	—	—	Open the original filing on SEC.gov
Apr 28	Lubner David Charles	Director	DTOISS◆	61,538	—	—	—	Open the original filing on SEC.gov
Apr 28	Lubner David Charles	Director	DTOISS◆	31,794	—	—	—	Open the original filing on SEC.gov
Apr 28	Lubner David Charles	Director	DTOISS◆	59,405	—	—	—	Open the original filing on SEC.gov
Apr 28	Lubner David Charles	Director	DTOISS◆	13,626	—	—	—	Open the original filing on SEC.gov
Apr 28	Lubner David Charles	Director	UTENDR	21,659	—	—	-100.0%	Open the original filing on SEC.gov
Apr 28	Galligan Andrew H	Director	DTOISS◆	1,784	—	—	—	Open the original filing on SEC.gov
Apr 28	Galligan Andrew H	Director	DTOISS◆	16,829	—	—	—	Open the original filing on SEC.gov
Apr 28	Galligan Andrew H	Director	UTENDR	5,000	—	—	-100.0%	Open the original filing on SEC.gov
Apr 28	Carroll Jill	Director	DTOISS◆	9,174	—	—	—	Open the original filing on SEC.gov
Apr 28	Carroll Jill	Director	DTOISS◆	8,011	—	—	—	Open the original filing on SEC.gov
Apr 28	Carroll Jill	Director	DTOISS◆	11,459	—	—	—	Open the original filing on SEC.gov
Apr 28	Carroll Jill	Director	UTENDR	1.5M	—	—	-100.0%	Open the original filing on SEC.gov
Apr 28	Behbahani Ali	Director	DTOISS◆	9,174	—	—	—	Open the original filing on SEC.gov
Apr 28	Behbahani Ali	Director	DTOISS◆	8,011	—	—	—	Open the original filing on SEC.gov
Apr 28	Behbahani Ali	Director	DTOISS◆	11,459	—	—	—	Open the original filing on SEC.gov
Apr 28	Behbahani Ali	Director	UTENDR	2,706	—	—	-100.0%	Open the original filing on SEC.gov
Apr 28	Behbahani Ali	Director	UTENDR	1,925	—	—	-100.0%	Open the original filing on SEC.gov
Apr 16	Gilson Michelle	Chief Financial Officer	MEXER◆	2,110	—	—	—	Open the original filing on SEC.gov
Apr 16	Gilson Michelle	Chief Financial Officer	MEXER	2,110	$8.66	$18.3K	+3.3%	Open the original filing on SEC.gov
Apr 15	Gilson Michelle	Chief Financial Officer	MEXER◆	36,000	—	—	—	Open the original filing on SEC.gov
Apr 15	Gilson Michelle	Chief Financial Officer	MEXER	36,000	$8.66	$311.8K	+124.4%	Open the original filing on SEC.gov
Mar 17	Gilson Michelle	Chief Financial Officer	GGIFT	5,000	—	—	-14.7%	Open the original filing on SEC.gov
Mar 4	Elghandour Rami	See Remarks	GGIFT	101,164	—	—	-36.6%	Open the original filing on SEC.gov
Feb 27	Elghandour Rami	See Remarks	SSELL	89,916	$113.92	$10.2M	-24.6%	Open the original filing on SEC.gov
Feb 25	Gilson Michelle	Chief Financial Officer	SSELL	11,219	$113.82	$1.3M	-24.8%	Open the original filing on SEC.gov
Feb 19	Gilson Michelle	Chief Financial Officer	SSELL	100	$69.38	$6.9K	-0.2%	Open the original filing on SEC.gov
Feb 19	Gilson Michelle	Chief Financial Officer	SSELL	5,405	$68.57	$370.6K	-10.7%	Open the original filing on SEC.gov
Feb 19	Gilson Michelle	Chief Financial Officer	SSELL	2,879	$67.73	$195K	-5.4%	Open the original filing on SEC.gov
Feb 17	Gilson Michelle	Chief Financial Officer	SSELL	4,150	$70.01	$290.6K	-7.2%	Open the original filing on SEC.gov
Feb 17	Gilson Michelle	Chief Financial Officer	SSELL	7,141	$69.21	$494.2K	-11.0%	Open the original filing on SEC.gov
Feb 11	Elghandour Rami	See Remarks	GGIFT	198,000	—	—	-35.1%	Open the original filing on SEC.gov
Feb 11	Elghandour Rami	See Remarks	GGIFT	218,500	—	—	-27.9%	Open the original filing on SEC.gov
Jan 20	Lubner David Charles	Director	MEXER◷◆	6,000	—	—	—	Open the original filing on SEC.gov
Jan 20	Lubner David Charles	Director	SSELL◷	6,000	$75.00	$450K	-21.7%	Open the original filing on SEC.gov
Jan 20	Lubner David Charles	Director	MEXER◷	6,000	$6.28	$37.7K	+27.7%	Open the original filing on SEC.gov
Jan 14	Heery Christopher	Chief Medical Officer	SSELL	5,882	$68.51	$403K	-19.9%	Open the original filing on SEC.gov
Jan 13	Heery Christopher	Chief Medical Officer	SSELL	7,437	$65.51	$487.2K	-20.1%	Open the original filing on SEC.gov
Jan 12	Heery Christopher	Chief Medical Officer	SSELL	6,131	$64.15	$393.3K	-14.2%	Open the original filing on SEC.gov
Jan 6	Heery Christopher	Chief Medical Officer	MEXER◆	13,064	—	—	—	Open the original filing on SEC.gov
Jan 6	Heery Christopher	Chief Medical Officer	MEXER	13,064	—	—	+43.4%	Open the original filing on SEC.gov
Jan 6	Elghandour Rami	See Remarks	MEXER◆	55,991	—	—	—	Open the original filing on SEC.gov
Jan 6	Elghandour Rami	See Remarks	MEXER	55,991	—	—	+7.7%	Open the original filing on SEC.gov
Jan 6	Gilson Michelle	Chief Financial Officer	MEXER◆	20,530	—	—	—	Open the original filing on SEC.gov
Jan 6	Gilson Michelle	Chief Financial Officer	MEXER	20,530	—	—	+46.3%	Open the original filing on SEC.gov

DTOISS◆—

Myers Kristin · DirectorApr 28

1,784 sh

DTOISS◆—

Myers Kristin · DirectorApr 28

16,829 sh

DTOISS◆—

Gilson Michelle · Chief Financial…Apr 28

59,028 sh

AGRANT◆—

Gilson Michelle · Chief Financial…Apr 28

59,028 sh

DTOISS◆—

Gilson Michelle · Chief Financial…Apr 28

88,542 sh

DTOISS◆—

Gilson Michelle · Chief Financial…Apr 28

61,590 sh

DTOISS◆—

Gilson Michelle · Chief Financial…Apr 28

20,496 sh

DTOISS◆—

Gilson Michelle · Chief Financial…Apr 28

94,596 sh

DTOISS◆—

Gilson Michelle · Chief Financial…Apr 28

70,796 sh

DTOISS◆—

Gilson Michelle · Chief Financial…Apr 28

32,500 sh

DTOISS◆—

Gilson Michelle · Chief Financial…Apr 28

40,205 sh

UTENDR—

Gilson Michelle · Chief Financial…Apr 28

5,000 sh · -100.0% own

UTENDR—

Gilson Michelle · Chief Financial…Apr 28

67,048 sh · -100.0% own

DTOISS◆—

Heery Christopher · Chief Medical…Apr 28

45,138 sh

AGRANT◆—

Heery Christopher · Chief Medical…Apr 28

45,138 sh

DTOISS◆—

Heery Christopher · Chief Medical…Apr 28

67,708 sh

DTOISS◆—

Heery Christopher · Chief Medical…Apr 28

39,194 sh

DTOISS◆—

Heery Christopher · Chief Medical…Apr 28

13,021 sh

DTOISS◆—

Heery Christopher · Chief Medical…Apr 28

60,096 sh

DTOISS◆—

Heery Christopher · Chief Medical…Apr 28

76,242 sh

DTOISS◆—

Heery Christopher · Chief Medical…Apr 28

40,000 sh

DTOISS◆—

Heery Christopher · Chief Medical…Apr 28

132,416 sh

DTOISS◆—

Heery Christopher · Chief Medical…Apr 28

43,604 sh

DTOISS◆—

Heery Christopher · Chief Medical…Apr 28

10,901 sh

UTENDR—

Heery Christopher · Chief Medical…Apr 28

23,749 sh · -100.0% own

DTOISS◆—

Patel Kavita · DirectorApr 28

9,174 sh

DTOISS◆—

Patel Kavita · DirectorApr 28

8,011 sh

DTOISS◆—

Patel Kavita · DirectorApr 28

11,459 sh

DTOISS◆—

Patel Kavita · DirectorApr 28

20,513 sh

DTOISS◆—

Patel Kavita · DirectorApr 28

27,077 sh

DTOISS◆—

Ware Olivia C · DirectorApr 28

9,174 sh

DTOISS◆—

Ware Olivia C · DirectorApr 28

8,011 sh

DTOISS◆—

Ware Olivia C · DirectorApr 28

11,459 sh

DTOISS◆—

Ware Olivia C · DirectorApr 28

36,806 sh

DTOISS◆—

Elghandour Rami · See RemarksApr 28

138,888 sh

AGRANT◆—

Elghandour Rami · See RemarksApr 28

138,888 sh

DTOISS◆—

Elghandour Rami · See RemarksApr 28

284,388 sh

AGRANT◆—

Elghandour Rami · See RemarksApr 28

284,388 sh

DTOISS◆—

Elghandour Rami · See RemarksApr 28

147,745 sh

AGRANT◆—

Elghandour Rami · See RemarksApr 28

147,745 sh

DTOISS◆—

Elghandour Rami · See RemarksApr 28

208,333 sh

DTOISS◆—

Elghandour Rami · See RemarksApr 28

167,973 sh

DTOISS◆—

Elghandour Rami · See RemarksApr 28

55,459 sh

DTOISS◆—

Elghandour Rami · See RemarksApr 28

810,102 sh

DTOISS◆—

Elghandour Rami · See RemarksApr 28

255,965 sh

DTOISS◆—

Elghandour Rami · See RemarksApr 28

245,065 sh

DTOISS◆—

Elghandour Rami · See RemarksApr 28

120,000 sh

DTOISS◆—

Elghandour Rami · See RemarksApr 28

837,602 sh

DTOISS◆—

Elghandour Rami · See RemarksApr 28

1.1M sh

UTENDR—

Elghandour Rami · See RemarksApr 28

101,164 sh · -100.0% own

UTENDR—

Elghandour Rami · See RemarksApr 28

218,500 sh · -100.0% own

UTENDR—

Elghandour Rami · See RemarksApr 28

198,000 sh · -100.0% own

UTENDR—

Elghandour Rami · See RemarksApr 28

174,887 sh · -100.0% own

DTOISS◆—

Lubner David Charles · DirectorApr 28

9,174 sh

DTOISS◆—

Lubner David Charles · DirectorApr 28

8,011 sh

DTOISS◆—

Lubner David Charles · DirectorApr 28

11,459 sh

DTOISS◆—

Lubner David Charles · DirectorApr 28

61,538 sh

DTOISS◆—

Lubner David Charles · DirectorApr 28

31,794 sh

DTOISS◆—

Lubner David Charles · DirectorApr 28

59,405 sh

DTOISS◆—

Lubner David Charles · DirectorApr 28

13,626 sh

UTENDR—

Lubner David Charles · DirectorApr 28

21,659 sh · -100.0% own

DTOISS◆—

Galligan Andrew H · DirectorApr 28

1,784 sh

DTOISS◆—

Galligan Andrew H · DirectorApr 28

16,829 sh

UTENDR—

Galligan Andrew H · DirectorApr 28

5,000 sh · -100.0% own

DTOISS◆—

Carroll Jill · DirectorApr 28

9,174 sh

DTOISS◆—

Carroll Jill · DirectorApr 28

8,011 sh

DTOISS◆—

Carroll Jill · DirectorApr 28

11,459 sh

UTENDR—

Carroll Jill · DirectorApr 28

1.5M sh · -100.0% own

DTOISS◆—

Behbahani Ali · DirectorApr 28

9,174 sh

DTOISS◆—

Behbahani Ali · DirectorApr 28

8,011 sh

DTOISS◆—

Behbahani Ali · DirectorApr 28

11,459 sh

UTENDR—

Behbahani Ali · DirectorApr 28

2,706 sh · -100.0% own

UTENDR—

Behbahani Ali · DirectorApr 28

1,925 sh · -100.0% own

MEXER◆—

Gilson Michelle · Chief Financial…Apr 16

2,110 sh

MEXER$18.3K

Gilson Michelle · Chief Financial…Apr 16

2,110 sh @ $8.66 · +3.3% own

MEXER◆—

Gilson Michelle · Chief Financial…Apr 15

36,000 sh

MEXER$311.8K

Gilson Michelle · Chief Financial…Apr 15

36,000 sh @ $8.66 · +124.4% own

GGIFT—

Gilson Michelle · Chief Financial…Mar 17

5,000 sh · -14.7% own

GGIFT—

Elghandour Rami · See RemarksMar 4

101,164 sh · -36.6% own

SSELL$10.2M

Elghandour Rami · See RemarksFeb 27

89,916 sh @ $113.92 · -24.6% own

SSELL$1.3M

Gilson Michelle · Chief Financial…Feb 25

11,219 sh @ $113.82 · -24.8% own

SSELL$6.9K

Gilson Michelle · Chief Financial…Feb 19

100 sh @ $69.38 · -0.2% own

SSELL$370.6K

Gilson Michelle · Chief Financial…Feb 19

5,405 sh @ $68.57 · -10.7% own

SSELL$195K

Gilson Michelle · Chief Financial…Feb 19

2,879 sh @ $67.73 · -5.4% own

SSELL$290.6K

Gilson Michelle · Chief Financial…Feb 17

4,150 sh @ $70.01 · -7.2% own

SSELL$494.2K

Gilson Michelle · Chief Financial…Feb 17

7,141 sh @ $69.21 · -11.0% own

GGIFT—

Elghandour Rami · See RemarksFeb 11

198,000 sh · -35.1% own

GGIFT—

Elghandour Rami · See RemarksFeb 11

218,500 sh · -27.9% own

MEXER◷◆—

Lubner David Charles · DirectorJan 20

6,000 sh

SSELL◷$450K

Lubner David Charles · DirectorJan 20

6,000 sh @ $75.00 · -21.7% own

MEXER◷$37.7K

Lubner David Charles · DirectorJan 20

6,000 sh @ $6.28 · +27.7% own

SSELL$403K

Heery Christopher · Chief Medical…Jan 14

5,882 sh @ $68.51 · -19.9% own

SSELL$487.2K

Heery Christopher · Chief Medical…Jan 13

7,437 sh @ $65.51 · -20.1% own

SSELL$393.3K

Heery Christopher · Chief Medical…Jan 12

6,131 sh @ $64.15 · -14.2% own

MEXER◆—

Heery Christopher · Chief Medical…Jan 6

13,064 sh

MEXER—

Heery Christopher · Chief Medical…Jan 6

13,064 sh · +43.4% own

MEXER◆—

Elghandour Rami · See RemarksJan 6

55,991 sh

MEXER—

Elghandour Rami · See RemarksJan 6

55,991 sh · +7.7% own

MEXER◆—

Gilson Michelle · Chief Financial…Jan 6

20,530 sh

MEXER—

Gilson Michelle · Chief Financial…Jan 6

20,530 sh · +46.3% own

Filing record

How quickly insiders here report their trades. Section 16 allows two business days from the transaction.

All 21 filings we hold were filed within the two-business-day deadline.

Counted in business days from the transaction date, or the deemed execution date where the filing reports one, excluding weekends and federal holidays. How this is measured · All late filings

Insiders at this company

Everyone who has filed a Form 4 for this issuer.

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