Arcellx Inc (ACLX)

The most recent insider trading activity occurred on February 27, 2026. Significant sell transactions were reported by Rami Elghandour and Michelle Gilson. These transactions involved substantial share values, indicating notable divestments by key executives. The overall pattern suggests a period of selling by insiders.
Stock chart
Ticker: ACLX Exchange: NSM


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Purchase Sale Planned purchase Planned sale Net purchase Net sale Activity signal Earnings
Top insiders
Trades
Elghandour Rami
SEE REMARKS
2 sales — total 20,486,534 USD
Sale 27 Feb 2026
Value US$3,406,281.55 | Price 402.69 | Shares 86,542
Proposed sale 27 Feb 2026
Value US$2,306,657.34 | Price 233.69 | Shares 47,392
Sale 25 Feb 2026
Value US$3,626,317.32 | Price 382.55 | Shares 79,955
Proposed sale 25 Feb 2026
Value US$3,301,269.93 | Price 329.33 | Shares 7,002
Proposed sale 19 Feb 2026
Value US$572,567.73 | Price 68.29 | Shares 8,384
Sale 19 Feb 2026
Value US$6,938.00 | Price 69.38 | Shares 100
Sale 19 Feb 2026
Value US$370,634.90 | Price 68.57 | Shares 5,405
Sale 19 Feb 2026
Value US$194,994.96 | Price 67.73 | Shares 2,879
Sale 17 Feb 2026
Value US$290,551.88 | Price 70.01 | Shares 4,150
Sale 17 Feb 2026
Value US$494,230.75 | Price 69.21 | Shares 7,141
Proposed sale 17 Feb 2026
Value US$784,782.47 | Price 69.51 | Shares 11,291
Proposed sale 20 Jan 2026
Value US$1,034,100.00 | Price 68.94 | Shares 15,000
Planned sale 20 Jan 2026
Value US$450,000.00 | Price 75.00 | Shares 6,000
Proposed sale 14 Jan 2026
Value US$402,997.10 | Price 68.51 | Shares 5,882
Sale 14 Jan 2026
Value US$402,997.00 | Price 68.51 | Shares 5,882
Proposed sale 13 Jan 2026
Value US$487,213.08 | Price 65.51 | Shares 7,437
Sale 13 Jan 2026
Value US$487,212.74 | Price 65.51 | Shares 7,437
Proposed sale 12 Jan 2026
Value US$393,286.14 | Price 64.15 | Shares 6,131
Sale 12 Jan 2026
Value US$393,285.87 | Price 64.15 | Shares 6,131
Planned sale 17 Nov 2025
Value US$30,600.00 | Price 90.00 | Shares 340
Proposed sale 15 Oct 2025
Value US$468,438.12 | Price 87.33 | Shares 5,364
Planned sale 15 Oct 2025
Value US$488,315.49 | Price 91.04 | Shares 5,364
Planned sale 6 Oct 2025
Value US$91,733.29 | Price 86.22 | Shares 1,064
Planned sale 3 Oct 2025
Value US$419,869.58 | Price 86.00 | Shares 4,882
Proposed sale 3 Oct 2025
Value US$488,999.04 | Price 82.24 | Shares 5,946
Planned sale 30 Sep 2025
Value US$125,762.94 | Price 82.20 | Shares 1,530
Planned sale 30 Sep 2025
Value US$1,157,035.11 | Price 81.46 | Shares 14,204
Planned sale 30 Sep 2025
Value US$426,924.54 | Price 80.55 | Shares 5,300
Planned sale 29 Sep 2025
Value US$5,851.68 | Price 80.16 | Shares 73
Planned sale 26 Sep 2025
Value US$993,155.12 | Price 80.12 | Shares 12,396
Planned sale 19 Sep 2025
Value US$24,000.00 | Price 80.00 | Shares 300
Planned sale 18 Sep 2025
Value US$267,468.42 | Price 80.01 | Shares 3,343
Proposed sale 18 Sep 2025
Value US$2,864,680.12 | Price 76.42 | Shares 37,486
Planned sale 10 Jun 2025
Value US$101,040.00 | Price 67.36 | Shares 1,500
Proposed sale 10 Jun 2025
Value US$100,290.00 | Price 66.86 | Shares 1,500
Sale 27 May 2025
Value US$543,908.60 | Price 64.38 | Shares 8,449
Sale 27 May 2025
Value US$240,867.97 | Price 63.62 | Shares 3,786
Proposed sale 27 May 2025
Value US$784,776.20 | Price 64.14 | Shares 12,235
Planned sale 20 May 2025
Value US$87,645.00 | Price 58.43 | Shares 1,500
Proposed sale 29 Apr 2025
Value US$1,207,529.40 | Price 62.02 | Shares 19,470
Planned sale 29 Apr 2025
Value US$96,300.00 | Price 64.20 | Shares 1,500
Planned sale 8 Apr 2025
Value US$86,250.00 | Price 57.50 | Shares 1,500
Planned sale 18 Mar 2025
Value US$107,460.00 | Price 71.64 | Shares 1,500
Proposed sale 26 Feb 2025
Value US$2,375,516.95 | Price 62.02 | Shares 38,300
Sale 26 Feb 2025
Value US$682,624.88 | Price 62.69 | Shares 10,889
Sale 26 Feb 2025
Value US$1,305,644.27 | Price 61.95 | Shares 21,077
Sale 26 Feb 2025
Value US$387,248.09 | Price 61.14 | Shares 6,334
Proposed sale 25 Feb 2025
Value US$472,575.00 | Price 63.01 | Shares 7,500
Planned sale 25 Feb 2025
Value US$94,740.00 | Price 63.16 | Shares 1,500
Proposed sale 24 Feb 2025
Value US$647,772.86 | Price 63.79 | Shares 10,155
Sale 24 Feb 2025
Value US$13,494.58 | Price 64.88 | Shares 208
Sale 24 Feb 2025
Value US$358,360.17 | Price 64.26 | Shares 5,577
Sale 24 Feb 2025
Value US$275,917.87 | Price 63.14 | Shares 4,370
Planned sale 4 Feb 2025
Value US$96,855.00 | Price 64.57 | Shares 1,500
Planned sale 14 Jan 2025
Value US$20,195.01 | Price 67.32 | Shares 300
Planned sale 14 Jan 2025
Value US$26,649.00 | Price 66.62 | Shares 400
Planned sale 14 Jan 2025
Value US$51,957.20 | Price 64.95 | Shares 800
Sale 8 Jan 2025
Value US$1,019,688.66 | Price 73.69 | Shares 13,837
Sale 8 Jan 2025
Value US$294,550.52 | Price 73.69 | Shares 3,997
Sale 8 Jan 2025
Value US$261,830.87 | Price 73.69 | Shares 3,553
Sale 7 Jan 2025
Value US$1,244,253.21 | Price 75.53 | Shares 16,474
Proposed sale 7 Jan 2025
Value US$2,416,905.60 | Price 75.53 | Shares 32,000
Sale 7 Jan 2025
Value US$359,514.71 | Price 75.53 | Shares 4,760
Planned sale 7 Jan 2025
Value US$179,319.78 | Price 77.06 | Shares 2,327
Planned sale 7 Jan 2025
Value US$172,521.59 | Price 76.64 | Shares 2,251
Planned sale 7 Jan 2025
Value US$116,310.68 | Price 75.23 | Shares 1,546
Planned sale 7 Jan 2025
Value US$232,807.03 | Price 74.43 | Shares 3,128
Proposed sale 7 Jan 2025
Value US$687,307.53 | Price 75.53 | Shares 9,100
Sale 7 Jan 2025
Value US$319,484.71 | Price 75.53 | Shares 4,230
Proposed sale 7 Jan 2025
Value US$611,779.23 | Price 75.53 | Shares 8,100
Proposed sale 7 Jan 2025
Value US$693,992.52 | Price 75.01 | Shares 9,252
Sale 6 Jan 2025
Value US$393,705.01 | Price 77.17 | Shares 5,102
Sale 6 Jan 2025
Value US$236,207.57 | Price 77.17 | Shares 3,061
Sale 6 Jan 2025
Value US$236,207.57 | Price 77.17 | Shares 3,061
Sale 6 Jan 2025
Value US$1,063,049.84 | Price 77.17 | Shares 13,776
Abbreviations B: Buy, S: Sell, PP: Planned purchase, PlS: Planned sale, PrS: Proposed sale, O: Option / Other
Notification date Transaction date B/S Transaction type Insider and/or position Nb. shares
Price
Value
Number of shares Price Value Details
2026-02-27 2026-02-27 S Sale

SEE REMARKS

Executive Director
86,542 -24.7%
402.69
US$3,406,282
86,542 -24.7% 402.69 US$3,406,282
2026-02-27 2026-02-27 PrS Proposed sale

Officer; Director

Executive Director
47,392
233.69
US$2,306,657
47,392 233.69 US$2,306,657
2026-02-25 2026-02-25 S Sale

CHIEF FINANCIAL OFFICER

Officer
79,955 -21.5%
382.55
US$3,626,317
79,955 -21.5% 382.55 US$3,626,317
2026-02-25 2026-02-25 PrS Proposed sale

Officer

Officer
11,219
113.82
US$1,276,955
11,219 113.82 US$1,276,955
2026-02-19 2026-02-19 PrS Proposed sale

Officer

Officer
8,384
68.29
US$572,568
8,384 68.29 US$572,568
2026-02-19 2026-02-19 S Sale

CHIEF FINANCIAL OFFICER

Officer
100 -0.2%
69.38
US$6,938
100 -0.2% 69.38 US$6,938
2026-02-19 2026-02-19 S Sale

CHIEF FINANCIAL OFFICER

Officer
5,405 -10.7%
68.57
US$370,635
5,405 -10.7% 68.57 US$370,635
2026-02-19 2026-02-19 S Sale

CHIEF FINANCIAL OFFICER

Officer
2,879 -5.4%
67.73
US$194,995
2,879 -5.4% 67.73 US$194,995
2026-02-18 2026-02-17 S Sale

CHIEF FINANCIAL OFFICER

Officer
4,150 -7.2%
70.01
US$290,552
4,150 -7.2% 70.01 US$290,552
2026-02-18 2026-02-17 S Sale

CHIEF FINANCIAL OFFICER

Officer
7,141 -11.0%
69.21
US$494,231
7,141 -11.0% 69.21 US$494,231
2026-02-17 2026-02-17 PrS Proposed sale

Officer

Officer
11,291
69.51
US$784,782
11,291 69.51 US$784,782
2026-01-20 2026-01-20 PrS Proposed sale

Director

Non-Executive Director
15,000
68.94
US$1,034,100
15,000 68.94 US$1,034,100
2026-01-20 2026-01-20 PlS Planned sale Non-Executive Director
6,000 -21.7%
75.00
US$450,000
6,000 -21.7% 75.00 US$450,000
2026-01-14 2026-01-14 PrS Proposed sale

Officer

Officer
5,882
68.51
US$402,997
5,882 68.51 US$402,997
2026-01-14 2026-01-14 S Sale

CHIEF MEDICAL OFFICER

Officer
5,882 -19.9%
68.51
US$402,997
5,882 -19.9% 68.51 US$402,997
2026-01-13 2026-01-13 PrS Proposed sale

Officer

Officer
7,437
65.51
US$487,213
7,437 65.51 US$487,213
2026-01-13 2026-01-13 S Sale

CHIEF MEDICAL OFFICER

Officer
7,437 -20.1%
65.51
US$487,213
7,437 -20.1% 65.51 US$487,213
2026-01-12 2026-01-12 PrS Proposed sale

Officer

Officer
6,131
64.15
US$393,286
6,131 64.15 US$393,286
2026-01-12 2026-01-12 S Sale

CHIEF MEDICAL OFFICER

Officer
6,131 -14.2%
64.15
US$393,286
6,131 -14.2% 64.15 US$393,286
2025-11-17 2025-11-17 PlS Planned sale

CHIEF MEDICAL OFFICER

Officer
340 -54.5%
90.00
US$30,600
340 -54.5% 90.00 US$30,600
2025-10-15 2025-10-15 PrS Proposed sale

Officer

Officer
5,364
87.33
US$468,438
5,364 87.33 US$468,438
2025-10-15 2025-10-15 PlS Planned sale

CHIEF FINANCIAL OFFICER

Officer
5,364 -38.8%
91.04
US$488,315
5,364 -38.8% 91.04 US$488,315
2025-10-06 2025-10-06 PlS Planned sale

CHIEF FINANCIAL OFFICER

Officer
1,064 -7.1%
86.22
US$91,733
1,064 -7.1% 86.22 US$91,733
2025-10-06 2025-10-03 PlS Planned sale

CHIEF FINANCIAL OFFICER

Officer
4,882 -24.7%
86.00
US$419,870
4,882 -24.7% 86.00 US$419,870
2025-10-03 2025-10-03 PrS Proposed sale

Officer

Officer
5,946
82.24
US$488,999
5,946 82.24 US$488,999
2025-09-30 2025-09-30 PlS Planned sale

CHIEF MEDICAL OFFICER

Officer
1,530 -71.0%
82.20
US$125,763
1,530 -71.0% 82.20 US$125,763
2025-09-30 2025-09-30 PlS Planned sale

CHIEF MEDICAL OFFICER

Officer
14,204 -86.8%
81.46
US$1,157,035
14,204 -86.8% 81.46 US$1,157,035
2025-09-30 2025-09-30 PlS Planned sale

CHIEF MEDICAL OFFICER

Officer
5,300 -24.5%
80.55
US$426,925
5,300 -24.5% 80.55 US$426,925
2025-09-29 2025-09-29 PlS Planned sale

CHIEF MEDICAL OFFICER

Officer
73 -0.3%
80.16
US$5,852
73 -0.3% 80.16 US$5,852
2025-09-26 2025-09-26 PlS Planned sale

CHIEF MEDICAL OFFICER

Officer
12,396 -36.3%
80.12
US$993,155
12,396 -36.3% 80.12 US$993,155
2025-09-19 2025-09-19 PlS Planned sale

CHIEF MEDICAL OFFICER

Officer
300 -0.9%
80.00
US$24,000
300 -0.9% 80.00 US$24,000
2025-09-19 2025-09-18 PlS Planned sale

CHIEF MEDICAL OFFICER

Officer
3,343 -8.9%
80.01
US$267,468
3,343 -8.9% 80.01 US$267,468
2025-09-18 2025-09-18 PrS Proposed sale

Officer

Officer
37,486
76.42
US$2,864,680
37,486 76.42 US$2,864,680
2025-06-11 2025-06-10 PlS Planned sale Non-Executive Director
1,500 -100.0%
67.36
US$101,040
1,500 -100.0% 67.36 US$101,040
2025-06-10 2025-06-10 PrS Proposed sale

Director

Non-Executive Director
1,500
66.86
US$100,290
1,500 66.86 US$100,290
2025-05-28 2025-05-27 S Sale

CHIEF FINANCIAL OFFICER

Officer
8,449 -29.9%
64.38
US$543,909
8,449 -29.9% 64.38 US$543,909
2025-05-28 2025-05-27 S Sale

CHIEF FINANCIAL OFFICER

Officer
3,786 -11.8%
63.62
US$240,868
3,786 -11.8% 63.62 US$240,868
2025-05-27 2025-05-27 PrS Proposed sale

Officer

Officer
12,235
64.14
US$784,776
12,235 64.14 US$784,776
2025-05-20 2025-05-20 PlS Planned sale Non-Executive Director
1,500 -100.0%
58.43
US$87,645
1,500 -100.0% 58.43 US$87,645
2025-04-29 2025-04-29 PrS Proposed sale

Director

Non-Executive Director
19,470
62.02
US$1,207,529
19,470 62.02 US$1,207,529
2025-04-29 2025-04-29 PlS Planned sale Non-Executive Director
1,500 -100.0%
64.20
US$96,300
1,500 -100.0% 64.20 US$96,300
2025-04-08 2025-04-08 PlS Planned sale Non-Executive Director
1,500 -100.0%
57.50
US$86,250
1,500 -100.0% 57.50 US$86,250
2025-03-18 2025-03-18 PlS Planned sale Non-Executive Director
1,500 -100.0%
71.64
US$107,460
1,500 -100.0% 71.64 US$107,460
2025-02-26 2025-02-26 PrS Proposed sale

Officer; Director

Executive Director
38,300
62.02
US$2,375,517
38,300 62.02 US$2,375,517
2025-02-26 2025-02-26 S Sale

SEE REMARKS

Executive Director
10,889 -6.8%
62.69
US$682,625
10,889 -6.8% 62.69 US$682,625
2025-02-26 2025-02-26 S Sale

SEE REMARKS

Executive Director
21,077 -11.6%
61.95
US$1,305,644
21,077 -11.6% 61.95 US$1,305,644
2025-02-26 2025-02-26 S Sale

SEE REMARKS

Executive Director
6,334 -3.4%
61.14
US$387,248
6,334 -3.4% 61.14 US$387,248
2025-02-25 2025-02-25 PrS Proposed sale

Director

Non-Executive Director
7,500
63.01
US$472,575
7,500 63.01 US$472,575
2025-02-25 2025-02-25 PlS Planned sale Non-Executive Director
1,500 -100.0%
63.16
US$94,740
1,500 -100.0% 63.16 US$94,740
2025-02-24 2025-02-24 PrS Proposed sale

Officer

Officer
10,155
63.79
US$647,773
10,155 63.79 US$647,773
2025-02-24 2025-02-24 S Sale

CHIEF MEDICAL OFFICER

Officer
208 -0.6%
64.88
US$13,495
208 -0.6% 64.88 US$13,495
2025-02-24 2025-02-24 S Sale

CHIEF MEDICAL OFFICER

Officer
5,577 -12.9%
64.26
US$358,360
5,577 -12.9% 64.26 US$358,360
2025-02-24 2025-02-24 S Sale

CHIEF MEDICAL OFFICER

Officer
4,370 -9.2%
63.14
US$275,918
4,370 -9.2% 63.14 US$275,918
2025-02-04 2025-02-04 PlS Planned sale Non-Executive Director
1,500 -100.0%
64.57
US$96,855
1,500 -100.0% 64.57 US$96,855
2025-01-14 2025-01-14 PlS Planned sale Non-Executive Director
300 -100.0%
67.32
US$20,195
300 -100.0% 67.32 US$20,195
2025-01-14 2025-01-14 PlS Planned sale Non-Executive Director
400 -57.1%
66.62
US$26,649
400 -57.1% 66.62 US$26,649
2025-01-14 2025-01-14 PlS Planned sale Non-Executive Director
800 -53.3%
64.95
US$51,957
800 -53.3% 64.95 US$51,957
2025-01-10 2025-01-08 S Sale

SEE REMARKS

Executive Director
13,837 -10.6%
73.69
US$1,019,689
13,837 -10.6% 73.69 US$1,019,689
2025-01-10 2025-01-08 S Sale

CHIEF FINANCIAL OFFICER

Officer
3,997 -29.4%
73.69
US$294,551
3,997 -29.4% 73.69 US$294,551
2025-01-10 2025-01-08 S Sale

CHIEF MEDICAL OFFICER

Officer
3,553 -12.4%
73.69
US$261,831
3,553 -12.4% 73.69 US$261,831
2025-01-10 2025-01-07 S Sale

SEE REMARKS

Executive Director
16,474 -11.2%
75.53
US$1,244,253
16,474 -11.2% 75.53 US$1,244,253
2025-01-10 2025-01-07 S Sale

CHIEF FINANCIAL OFFICER

Officer
4,760 -26.0%
75.53
US$359,515
4,760 -26.0% 75.53 US$359,515
2025-01-10 2025-01-07 PlS Planned sale

CHIEF FINANCIAL OFFICER

Officer
2,327 -11.3%
77.06
US$179,320
2,327 -11.3% 77.06 US$179,320
2025-01-10 2025-01-07 PlS Planned sale

CHIEF FINANCIAL OFFICER

Officer
2,251 -9.8%
76.64
US$172,522
2,251 -9.8% 76.64 US$172,522
2025-01-10 2025-01-07 PlS Planned sale

CHIEF FINANCIAL OFFICER

Officer
1,546 -6.3%
75.23
US$116,311
1,546 -6.3% 75.23 US$116,311
2025-01-10 2025-01-07 PlS Planned sale

CHIEF FINANCIAL OFFICER

Officer
3,128 -11.3%
74.43
US$232,807
3,128 -11.3% 74.43 US$232,807
2025-01-10 2025-01-07 S Sale

CHIEF MEDICAL OFFICER

Officer
4,230 -12.9%
75.53
US$319,485
4,230 -12.9% 75.53 US$319,485
2025-01-07 2025-01-07 PrS Proposed sale

Officer

Officer
9,252
75.01
US$693,993
9,252 75.01 US$693,993
2025-01-07 2025-01-07 PrS Proposed sale

Officer

Officer
8,100
75.53
US$611,779
8,100 75.53 US$611,779
2025-01-07 2025-01-07 PrS Proposed sale

Officer

Officer
9,100
75.53
US$687,308
9,100 75.53 US$687,308
2025-01-07 2025-01-07 PrS Proposed sale

Officer; Director

Executive Director
32,000
75.53
US$2,416,906
32,000 75.53 US$2,416,906
2025-01-06 2025-01-06 S Sale

CHIEF FINANCIAL OFFICER

Officer
5,102 -15.3%
77.17
US$393,705
5,102 -15.3% 77.17 US$393,705
2025-01-06 2025-01-06 S Sale

CHIEF MEDICAL OFFICER

Officer
3,061 -8.6%
77.17
US$236,208
3,061 -8.6% 77.17 US$236,208
2025-01-06 2025-01-06 S Sale

CHIEF MEDICAL OFFICER

Officer
3,061 -8.6%
77.17
US$236,208
3,061 -8.6% 77.17 US$236,208
2025-01-06 2025-01-06 S Sale

SEE REMARKS

Executive Director
13,776 -8.5%
77.17
US$1,063,050
13,776 -8.5% 77.17 US$1,063,050