Arcellx, Inc. - ACLX
Insiders (Form 4) · last 180 days · showing up to 200 transactions
· Form 144 is shown in the SEC filings tab
· Updating…
Visible: 0
Transaction codes:
P = Open-market purchase ·
S = Open-market sale ·
A = Grant/award ·
M = Exercise/conversion of derivative ·
G = Gift ·
F = Tax withholding ·
J = Other ·
A/D:
A = Acquired (buy/receive) ·
D = Disposed (sell/give)
| Filed | Owner | Title | Code | A/D | Shares | Price | Value | Shares after | SEC |
|---|---|---|---|---|---|---|---|---|---|
| Apr 28, 2026 | — | D | D | 9,174.0 | — | — | 0.0 | View | |
| Apr 28, 2026 | — | D | D | 8,011.0 | — | — | 0.0 | View | |
| Apr 28, 2026 | — | D | D | 11,459.0 | — | — | 0.0 | View | |
| Apr 28, 2026 | — | U | D | 1,479,148.0 | — | — | 0.0 | View | |
| Apr 28, 2026 | — | D | D | 9,174.0 | — | — | 0.0 | View | |
| Apr 28, 2026 | — | D | D | 8,011.0 | — | — | 0.0 | View | |
| Apr 28, 2026 | — | D | D | 11,459.0 | — | — | 0.0 | View | |
| Apr 28, 2026 | — | D | D | 36,806.0 | — | — | 0.0 | View | |
| Apr 28, 2026 | — | D | D | 9,174.0 | — | — | 0.0 | View | |
| Apr 28, 2026 | — | D | D | 8,011.0 | — | — | 0.0 | View | |
| Apr 28, 2026 | — | D | D | 11,459.0 | — | — | 0.0 | View | |
| Apr 28, 2026 | — | D | D | 20,513.0 | — | — | 0.0 | View | |
| Apr 28, 2026 | — | D | D | 27,077.0 | — | — | 0.0 | View | |
| Apr 28, 2026 | — | D | D | 1,784.0 | — | — | 0.0 | View | |
| Apr 28, 2026 | — | D | D | 16,829.0 | — | — | 0.0 | View | |
| Apr 28, 2026 | — | D | D | 9,174.0 | — | — | 0.0 | View | |
| Apr 28, 2026 | — | D | D | 8,011.0 | — | — | 0.0 | View | |
| Apr 28, 2026 | — | D | D | 11,459.0 | — | — | 0.0 | View | |
| Apr 28, 2026 | — | D | D | 61,538.0 | — | — | 0.0 | View | |
| Apr 28, 2026 | — | D | D | 31,794.0 | — | — | 0.0 | View | |
| Apr 28, 2026 | — | D | D | 59,405.0 | — | — | 0.0 | View | |
| Apr 28, 2026 | — | D | D | 13,626.0 | — | — | 0.0 | View | |
| Apr 28, 2026 | — | U | D | 21,659.0 | — | — | 0.0 | View | |
| Apr 28, 2026 | — | D | D | 1,784.0 | — | — | 0.0 | View | |
| Apr 28, 2026 | — | D | D | 16,829.0 | — | — | 0.0 | View | |
| Apr 28, 2026 | — | U | D | 5,000.0 | — | — | 0.0 | View | |
| Apr 28, 2026 | CHIEF FINANCIAL OFFICER | D | D | 59,028.0 | — | — | 0.0 | View | |
| Apr 28, 2026 | CHIEF FINANCIAL OFFICER | A | A | 59,028.0 | — | — | 59,028.0 | View | |
| Apr 28, 2026 | CHIEF FINANCIAL OFFICER | D | D | 88,542.0 | — | — | 0.0 | View | |
| Apr 28, 2026 | CHIEF FINANCIAL OFFICER | D | D | 61,590.0 | — | — | 0.0 | View | |
| Apr 28, 2026 | CHIEF FINANCIAL OFFICER | D | D | 20,496.0 | — | — | 0.0 | View | |
| Apr 28, 2026 | CHIEF FINANCIAL OFFICER | D | D | 94,596.0 | — | — | 0.0 | View | |
| Apr 28, 2026 | CHIEF FINANCIAL OFFICER | D | D | 70,796.0 | — | — | 0.0 | View | |
| Apr 28, 2026 | CHIEF FINANCIAL OFFICER | D | D | 32,500.0 | — | — | 0.0 | View | |
| Apr 28, 2026 | CHIEF FINANCIAL OFFICER | D | D | 40,205.0 | — | — | 0.0 | View | |
| Apr 28, 2026 | CHIEF FINANCIAL OFFICER | U | D | 5,000.0 | — | — | 0.0 | View | |
| Apr 28, 2026 | CHIEF FINANCIAL OFFICER | U | D | 67,048.0 | — | — | 0.0 | View | |
| Apr 28, 2026 | CHIEF MEDICAL OFFICER | D | D | 45,138.0 | — | — | 0.0 | View | |
| Apr 28, 2026 | CHIEF MEDICAL OFFICER | A | A | 45,138.0 | — | — | 45,138.0 | View | |
| Apr 28, 2026 | CHIEF MEDICAL OFFICER | D | D | 67,708.0 | — | — | 0.0 | View | |
| Apr 28, 2026 | CHIEF MEDICAL OFFICER | D | D | 39,194.0 | — | — | 0.0 | View | |
| Apr 28, 2026 | CHIEF MEDICAL OFFICER | D | D | 13,021.0 | — | — | 0.0 | View | |
| Apr 28, 2026 | CHIEF MEDICAL OFFICER | D | D | 60,096.0 | — | — | 0.0 | View | |
| Apr 28, 2026 | CHIEF MEDICAL OFFICER | D | D | 76,242.0 | — | — | 0.0 | View | |
| Apr 28, 2026 | CHIEF MEDICAL OFFICER | D | D | 40,000.0 | — | — | 0.0 | View | |
| Apr 28, 2026 | CHIEF MEDICAL OFFICER | D | D | 132,416.0 | — | — | 0.0 | View | |
| Apr 28, 2026 | CHIEF MEDICAL OFFICER | D | D | 43,604.0 | — | — | 0.0 | View | |
| Apr 28, 2026 | CHIEF MEDICAL OFFICER | D | D | 10,901.0 | — | — | 0.0 | View | |
| Apr 28, 2026 | CHIEF MEDICAL OFFICER | U | D | 23,749.0 | — | — | 0.0 | View | |
| Apr 28, 2026 | — | D | D | 9,174.0 | — | — | 0.0 | View | |
| Apr 28, 2026 | — | D | D | 8,011.0 | — | — | 0.0 | View | |
| Apr 28, 2026 | — | D | D | 11,459.0 | — | — | 0.0 | View | |
| Apr 28, 2026 | — | U | D | 2,706.0 | — | — | 0.0 | View | |
| Apr 28, 2026 | — | U | D | 1,925.0 | — | — | 0.0 | View | |
| Apr 28, 2026 | SEE REMARKS | D | D | 138,888.0 | — | — | 0.0 | View | |
| Apr 28, 2026 | SEE REMARKS | A | A | 138,888.0 | — | — | 138,888.0 | View | |
| Apr 28, 2026 | SEE REMARKS | D | D | 284,388.0 | — | — | 0.0 | View | |
| Apr 28, 2026 | SEE REMARKS | A | A | 284,388.0 | — | — | 284,388.0 | View | |
| Apr 28, 2026 | SEE REMARKS | D | D | 147,745.0 | — | — | 0.0 | View | |
| Apr 28, 2026 | SEE REMARKS | A | A | 147,745.0 | — | — | 147,745.0 | View | |
| Apr 28, 2026 | SEE REMARKS | D | D | 208,333.0 | — | — | 0.0 | View | |
| Apr 28, 2026 | SEE REMARKS | D | D | 167,973.0 | — | — | 0.0 | View | |
| Apr 28, 2026 | SEE REMARKS | D | D | 55,459.0 | — | — | 0.0 | View | |
| Apr 28, 2026 | SEE REMARKS | D | D | 810,102.0 | — | — | 0.0 | View | |
| Apr 28, 2026 | SEE REMARKS | D | D | 255,965.0 | — | — | 0.0 | View | |
| Apr 28, 2026 | SEE REMARKS | D | D | 245,065.0 | — | — | 0.0 | View | |
| Apr 28, 2026 | SEE REMARKS | D | D | 120,000.0 | — | — | 0.0 | View | |
| Apr 28, 2026 | SEE REMARKS | D | D | 837,602.0 | — | — | 0.0 | View | |
| Apr 28, 2026 | SEE REMARKS | D | D | 1,068,005.0 | — | — | 0.0 | View | |
| Apr 28, 2026 | SEE REMARKS | U | D | 101,164.0 | — | — | 0.0 | View | |
| Apr 28, 2026 | SEE REMARKS | U | D | 218,500.0 | — | — | 0.0 | View | |
| Apr 28, 2026 | SEE REMARKS | U | D | 198,000.0 | — | — | 0.0 | View | |
| Apr 28, 2026 | SEE REMARKS | U | D | 174,887.0 | — | — | 0.0 | View | |
| Apr 17, 2026 | CHIEF FINANCIAL OFFICER | M | D | 2,110.0 | 0.0 | 0.0 | 40,205.0 | View | |
| Apr 17, 2026 | CHIEF FINANCIAL OFFICER | M | D | 36,000.0 | 0.0 | 0.0 | 42,315.0 | View | |
| Apr 17, 2026 | CHIEF FINANCIAL OFFICER | M | A | 2,110.0 | 8.66 | 18,272.6 | 67,048.0 | View | |
| Apr 17, 2026 | CHIEF FINANCIAL OFFICER | M | A | 36,000.0 | 8.66 | 311,760.0 | 64,938.0 | View | |
| Mar 19, 2026 | CHIEF FINANCIAL OFFICER | G | D | 5,000.0 | 0.0 | 0.0 | 28,938.0 | View | |
| Mar 04, 2026 | SEE REMARKS | G | D | 101,164.0 | 0.0 | 0.0 | 174,887.0 | View | |
| Feb 27, 2026 | SEE REMARKS | S | D | 89,916.0 | 113.9204 | 10,243,266.69 | 276,051.0 | View | |
| Feb 27, 2026 | SEE REMARKS | M | A | 55,991.0 | 0.0 | 0.0 | 782,467.0 | View | |
| Feb 27, 2026 | SEE REMARKS | M | A | 53,098.0 | 0.0 | 0.0 | 726,476.0 | View | |
| Feb 27, 2026 | SEE REMARKS | M | A | 55,459.0 | 0.0 | 0.0 | 673,378.0 | View | |
| Feb 25, 2026 | CHIEF FINANCIAL OFFICER | S | D | 11,219.0 | 113.8207 | 1,276,954.43 | 33,938.0 | View | |
| Feb 25, 2026 | CHIEF FINANCIAL OFFICER | M | A | 20,530.0 | 0.0 | 0.0 | 64,832.0 | View | |
| Feb 19, 2026 | CHIEF FINANCIAL OFFICER | S | D | 100.0 | 69.38 | 6,938.0 | 45,157.0 | View | |
| Feb 19, 2026 | CHIEF FINANCIAL OFFICER | S | D | 5,405.0 | 68.5726 | 370,634.9 | 45,257.0 | View | |
| Feb 19, 2026 | CHIEF FINANCIAL OFFICER | S | D | 2,879.0 | 67.7301 | 194,994.96 | 50,662.0 | View | |
| Feb 19, 2026 | CHIEF FINANCIAL OFFICER | M | A | 15,340.0 | 0.0 | 0.0 | 44,302.0 | View | |
| Feb 18, 2026 | CHIEF FINANCIAL OFFICER | S | D | 4,150.0 | 70.0125 | 290,551.88 | 53,541.0 | View | |
| Feb 18, 2026 | CHIEF FINANCIAL OFFICER | S | D | 7,141.0 | 69.2103 | 494,230.75 | 57,691.0 | View | |
| Feb 18, 2026 | CHIEF FINANCIAL OFFICER | M | A | 20,496.0 | 0.0 | 0.0 | 28,962.0 | View | |
| Feb 13, 2026 | SEE REMARKS | G | D | 198,000.0 | 0.0 | 0.0 | 365,967.0 | View | |
| Feb 13, 2026 | SEE REMARKS | G | D | 218,500.0 | 0.0 | 0.0 | 563,967.0 | View | |
| Jan 20, 2026 | — | M | D | 6,000.0 | 0.0 | 0.0 | 59,405.0 | View | |
| Jan 20, 2026 | — | S | D | 6,000.0 | 75.0 | 450,000.0 | 21,659.0 | View | |
| Jan 20, 2026 | — | M | A | 6,000.0 | 6.28 | 37,680.0 | 27,659.0 | View | |
| Jan 14, 2026 | CHIEF MEDICAL OFFICER | S | D | 5,882.0 | 68.5136 | 402,997.0 | 23,749.0 | View | |
| Jan 14, 2026 | CHIEF MEDICAL OFFICER | M | A | 13,064.0 | 0.0 | 0.0 | 43,199.0 | View | |
| Jan 13, 2026 | CHIEF MEDICAL OFFICER | S | D | 7,437.0 | 65.512 | 487,212.74 | 29,631.0 | View | |
| Jan 13, 2026 | CHIEF MEDICAL OFFICER | M | A | 16,520.0 | 0.0 | 0.0 | 30,135.0 | View | |
| Jan 12, 2026 | CHIEF MEDICAL OFFICER | S | D | 6,131.0 | 64.1471 | 393,285.87 | 37,068.0 | View | |
| Jan 12, 2026 | CHIEF MEDICAL OFFICER | M | A | 13,021.0 | 0.0 | 0.0 | 13,615.0 | View | |
| Jan 06, 2026 | SEE REMARKS | M | D | 55,991.0 | 0.0 | 0.0 | 167,973.0 | View | |
| Jan 06, 2026 | SEE REMARKS | M | D | 53,098.0 | 0.0 | 0.0 | 0.0 | View | |
| Jan 06, 2026 | SEE REMARKS | M | D | 55,459.0 | 0.0 | 0.0 | 55,459.0 | View | |
| Jan 06, 2026 | SEE REMARKS | A | A | 208,333.0 | 0.0 | 0.0 | 208,333.0 | View | |
| Jan 06, 2026 | SEE REMARKS | M | A | 55,991.0 | 0.0 | 0.0 | 782,467.0 | View | |
| Jan 06, 2026 | SEE REMARKS | M | A | 53,098.0 | 0.0 | 0.0 | 726,476.0 | View | |
| Jan 06, 2026 | SEE REMARKS | M | A | 55,459.0 | 0.0 | 0.0 | 673,378.0 | View | |
| Jan 06, 2026 | CHIEF MEDICAL OFFICER | M | D | 13,064.0 | 0.0 | 0.0 | 39,194.0 | View | |
| Jan 06, 2026 | CHIEF MEDICAL OFFICER | M | D | 16,520.0 | 0.0 | 0.0 | 0.0 | View | |
| Jan 06, 2026 | CHIEF MEDICAL OFFICER | M | D | 13,021.0 | 0.0 | 0.0 | 13,021.0 | View | |
| Jan 06, 2026 | CHIEF MEDICAL OFFICER | A | A | 67,708.0 | 0.0 | 0.0 | 67,708.0 | View | |
| Jan 06, 2026 | CHIEF MEDICAL OFFICER | M | A | 13,064.0 | 0.0 | 0.0 | 43,199.0 | View | |
| Jan 06, 2026 | CHIEF MEDICAL OFFICER | M | A | 16,520.0 | 0.0 | 0.0 | 30,135.0 | View | |
| Jan 06, 2026 | CHIEF MEDICAL OFFICER | M | A | 13,021.0 | 0.0 | 0.0 | 13,615.0 | View | |
| Jan 06, 2026 | CHIEF FINANCIAL OFFICER | M | D | 20,530.0 | 0.0 | 0.0 | 61,590.0 | View | |
| Jan 06, 2026 | CHIEF FINANCIAL OFFICER | M | D | 15,340.0 | 0.0 | 0.0 | 0.0 | View | |
| Jan 06, 2026 | CHIEF FINANCIAL OFFICER | M | D | 20,496.0 | 0.0 | 0.0 | 20,496.0 | View | |
| Jan 06, 2026 | CHIEF FINANCIAL OFFICER | A | A | 88,542.0 | 0.0 | 0.0 | 88,542.0 | View | |
| Jan 06, 2026 | CHIEF FINANCIAL OFFICER | M | A | 20,530.0 | 0.0 | 0.0 | 64,832.0 | View | |
| Jan 06, 2026 | CHIEF FINANCIAL OFFICER | M | A | 15,340.0 | 0.0 | 0.0 | 44,302.0 | View | |
| Jan 06, 2026 | CHIEF FINANCIAL OFFICER | M | A | 20,496.0 | 0.0 | 0.0 | 28,962.0 | View |