Arcellx, Inc.
ACLX
20 insider filings · Latest: Apr 28, 2026
Common Stock Transactions
| Txn Date | Accepted | Insider | Type | Shares | Avg Price | Value | Shares Owned | Filing |
|---|---|---|---|---|---|---|---|---|
| Feb 27, 2026 | Feb 28 12:48 AM | Elghandour RamiDirector, President, CEO and Chairman of the Board | Sale | 89,916 | $113.92 | $10.2M | 276,051(D) | View → |
| Feb 27, 2026 | Feb 28 12:31 AM | Elghandour Rami | Proposed Sale | 89,916 | $113.92 | $10.2M | — | View → |
| Feb 25, 2026 | Feb 26 12:51 AM | Michelle GilsonCHIEF FINANCIAL OFFICER | Sale | 11,219 | $113.82 | $1.3M | 33,938(D) | View → |
| Feb 25, 2026 | Feb 26 12:49 AM | Gilson Michelle | Proposed Sale | 11,219 | $113.82 | $1.3M | — | View → |
| Feb 19, 2026 | Feb 20 1:39 AM | Gilson Michelle | Proposed Sale | 8,384 | $68.29 | $572.6K | — | View → |
| Feb 19, 2026 | Feb 19 11:26 PM | Michelle GilsonCHIEF FINANCIAL OFFICER | Sale | 8,384 | $68.29 | $572.6K | 45,157(D) | View → |
| Feb 17, 2026 | Feb 18 10:19 PM | Michelle GilsonCHIEF FINANCIAL OFFICER | Sale | 11,291 | $69.51 | $784.8K | 53,541(D) | View → |
| Feb 17, 2026 | Feb 18 1:36 AM | Gilson Michelle | Proposed Sale | 11,291 | $69.51 | $784.8K | — | View → |
| Jan 20, 2026 | Jan 21 12:59 AM | David Charles LubnerDirector | Sale | 6,000 | $75.00 | $450.0K | 21,659(D) | View → |
| Jan 20, 2026 | Jan 20 9:27 PM | DAVID LUBNER | Proposed Sale | 15,000 | $68.94 | $1.0M | — | View → |
| Jan 14, 2026 | Jan 15 12:52 AM | Heery Christopher | Proposed Sale | 5,882 | $68.51 | $403.0K | — | View → |
| Jan 13, 2026 | Jan 14 2:24 AM | Heery Christopher | Proposed Sale | 7,437 | $65.51 | $487.2K | — | View → |
| Jan 12, 2026 | Jan 13 12:34 AM | Heery Christopher | Proposed Sale | 6,131 | $64.15 | $393.3K | — | View → |
| Oct 15, 2025 | Oct 15 8:38 PM | MICHELLE GILSON | Proposed Sale | 5,364 | $87.33 | $468.4K | — | View → |
| Oct 3, 2025 | Oct 3 8:26 PM | MICHELLE GILSON | Proposed Sale | 5,946 | $82.24 | $489.0K | — | View → |
| Sep 18, 2025 | Sep 18 8:32 PM | CHRISTOPHER HEERY | Proposed Sale | 37,486 | $76.42 | $2.9M | — | View → |
| Jun 10, 2025 | Jun 10 8:25 PM | KAVITA K PATEL | Proposed Sale | 1,500 | $66.86 | $100.3K | — | View → |
| May 27, 2025 | May 27 10:50 PM | Gilson Michelle | Proposed Sale | 12,235 | $64.14 | $784.8K | — | View → |
| Apr 29, 2025 | Apr 29 8:53 PM | Yoon Derek | Proposed Sale | 19,470 | $62.02 | $1.2M | — | View → |
| Feb 26, 2025 | Feb 27 1:11 AM | Elghandour Rami | Proposed Sale | 38,300 | $62.02 | $2.4M | — | View → |
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Stock Options & Derivatives
| Txn Date | Accepted | Insider | Type | Shares | Exercise Price | Shares Owned | Filing |
|---|---|---|---|---|---|---|---|
| Apr 28, 2026 | Apr 28 10:22 PM | Jill CarrollDirector | Disposition | 28,644 | $63.68 | 0(D) | View → |
| Apr 28, 2026 | Apr 28 8:34 PM | Ali BehbahaniDirector | Disposition | 28,644 | $63.68 | 0(D) | View → |
| Apr 28, 2026 | Apr 28 8:31 PM | Olivia C WareDirector | Disposition | 65,450 | $63.68 | 0(D) | View → |
| Apr 28, 2026 | Apr 28 8:30 PM | Kavita PatelDirector | Disposition | 76,234 | $63.68 | 0(D) | View → |
| Apr 28, 2026 | Apr 28 8:29 PM | Kristin MyersDirector | Disposition | 18,613 | $69.87 | 0(D) | View → |
| Apr 28, 2026 | Apr 28 8:28 PM | David Charles LubnerDirector | Disposition | 195,007 | $63.68 | 0(D) | View → |
| Apr 28, 2026 | Apr 28 8:26 PM | Andrew H GalliganDirector | Disposition | 18,613 | $69.87 | 0(D) | View → |
| Apr 28, 2026 | Apr 28 8:25 PM | Michelle GilsonCHIEF FINANCIAL OFFICER | Grant/Award | 59,028 | — | 59,028(D) | View → |
| Apr 28, 2026 | Apr 28 8:25 PM | Michelle GilsonCHIEF FINANCIAL OFFICER | Disposition | 467,753 | $56.15 | 0(D) | View → |
| Apr 28, 2026 | Apr 28 8:24 PM | Christopher HeeryCHIEF MEDICAL OFFICER | Grant/Award | 45,138 | — | 45,138(D) | View → |
| Apr 28, 2026 | Apr 28 8:24 PM | Christopher HeeryCHIEF MEDICAL OFFICER | Disposition | 528,320 | $56.15 | 0(D) | View → |
| Apr 28, 2026 | Apr 28 8:23 PM | Elghandour RamiDirector, President, CEO and Chairman of the Board | Disposition | 4,339,525 | $56.15 | 0(I) | View → |
| Apr 28, 2026 | Apr 28 8:23 PM | Elghandour RamiDirector, President, CEO and Chairman of the Board | Grant/Award | 571,021 | — | 138,888(D) | View → |
| Apr 16, 2026 | Apr 17 9:00 PM | Michelle GilsonCHIEF FINANCIAL OFFICER | Option Exercise | 2,110 | $8.66 | 40,205(D) | View → |
| Apr 15, 2026 | Apr 17 9:00 PM | Michelle GilsonCHIEF FINANCIAL OFFICER | Option Exercise | 36,000 | $8.66 | 42,315(D) | View → |
| Jan 20, 2026 | Jan 21 12:59 AM | David Charles LubnerDirector | Option Exercise | 6,000 | $6.28 | 59,405(D) | View → |