Companies / Arcellx, Inc. / Activity
Activity — Arcellx, Inc.
47 moves.
Top impactInsider · CEO movesInsider · biggest buysInsider · biggest sellsInstitution · biggest movesInstitution · new positions
| Date | Actor | Action | Security | Value | Shares Δ | Position after | Impact |
|---|---|---|---|---|---|---|---|
| Feb 27, 2026 | Rami Elghandour Executive | Sell | Common Stock | $10.24M | -90K -24.57% | 276,051 0.47% of shares | medium |
| Feb 25, 2026 | Gilson Michelle Executive | Sell | Common Stock | $1.28M | -11K -24.84% | 33,938 0.06% of shares | medium |
| Feb 17, 2026 | Gilson Michelle Executive | Sell | Common Stock | $494.2K | -7K -11.01% | 57,691 0.10% of shares | medium |
| Jan 13, 2026 | Heery Christopher Executive | Sell | Common Stock | $487.2K | -7K -20.06% | 29,631 0.05% of shares | medium |
| Jan 20, 2026 | Lubner David Charles Director | Sell | Common Stock | $450.0K | -6K -21.69% | 21,659 0.04% of shares | medium |
| Jan 14, 2026 | Heery Christopher Executive | Sell | Common Stock | $403.0K | -6K -19.85% | 23,749 0.04% of shares | medium |
| Jan 12, 2026 | Heery Christopher Executive | Sell | Common Stock | $393.3K | -6K -14.19% | 37,068 0.06% of shares | medium |
| Feb 19, 2026 | Gilson Michelle Executive | Sell | Common Stock | $370.6K | -5K -10.67% | 45,257 0.08% of shares | medium |
| Feb 17, 2026 | Gilson Michelle Executive | Sell | Common Stock | $290.6K | -4K -7.19% | 53,541 0.09% of shares | medium |
| Feb 19, 2026 | Gilson Michelle Executive | Sell | Common Stock | $195.0K | -3K -5.38% | 50,662 0.09% of shares | medium |
| Jan 20, 2026 | Lubner David Charles Director | Exercise | Common Stock | $37.7K | +6K +27.70% | 27,659 0.05% of shares | low |
| Feb 19, 2026 | Gilson Michelle Executive | Sell | Common Stock | $6.9K | -100 -0.22% | 45,157 0.08% of shares | low |
| Jan 6, 2026 | Heery Christopher Executive | Exercise | Common Stock | $0 | +13K +43.35% | 43,199 0.07% of shares | low |
| Jan 3, 2026 | Heery Christopher Executive | Exercise | Common Stock | $0 | +17K +121.34% | 30,135 0.05% of shares | low |
| Jan 2, 2026 | Heery Christopher Executive | Exercise | Common Stock | $0 | +13K +2192.09% | 13,615 0.02% of shares | low |
| Jan 6, 2026 | Heery Christopher Executive | Exercise | Common Stock | $0 | +13K +43.35% | 43,199 0.07% of shares | low |
| Jan 3, 2026 | Heery Christopher Executive | Exercise | Common Stock | $0 | +17K +121.34% | 30,135 0.05% of shares | low |
| Jan 2, 2026 | Heery Christopher Executive | Exercise | Common Stock | $0 | +13K +2192.09% | 13,615 0.02% of shares | low |
| Mar 17, 2026 | Gilson Michelle Executive | Gift | Common Stock | $0 | -5K -14.73% | 28,938 0.05% of shares | low |
| Mar 4, 2026 | Rami Elghandour Executive | Gift | Common Stock | $0 | -101K -36.65% | 174,887 0.30% of shares | low |
| Jan 6, 2026 | Rami Elghandour Executive | Exercise | Common Stock | $0 | +56K +7.71% | 782,467 1.34% of shares | low |
| Jan 3, 2026 | Rami Elghandour Executive | Exercise | Common Stock | $0 | +53K +7.89% | 726,476 1.24% of shares | low |
| Jan 2, 2026 | Rami Elghandour Executive | Exercise | Common Stock | $0 | +55K +8.98% | 673,378 1.15% of shares | low |
| Jan 6, 2026 | Gilson Michelle Executive | Exercise | Common Stock | $0 | +21K +46.34% | 64,832 0.11% of shares | low |
| Jan 3, 2026 | Gilson Michelle Executive | Exercise | Common Stock | $0 | +15K +52.97% | 44,302 0.08% of shares | low |
| Jan 2, 2026 | Gilson Michelle Executive | Exercise | Common Stock | $0 | +20K +242.10% | 28,962 0.05% of shares | low |
| Feb 11, 2026 | Rami Elghandour Executive | Gift | Common Stock | $0 | -198K -35.11% | 365,967 0.63% of shares | low |
| Feb 11, 2026 | Rami Elghandour Executive | Gift | Common Stock | $0 | -219K -27.92% | 563,967 0.96% of shares | low |
| Jan 6, 2026 | Rami Elghandour Executive | Exercise | Common Stock | $0 | +56K +7.71% | 782,467 1.34% of shares | low |
| Jan 3, 2026 | Rami Elghandour Executive | Exercise | Common Stock | $0 | +53K +7.89% | 726,476 1.24% of shares | low |
| Jan 2, 2026 | Rami Elghandour Executive | Exercise | Common Stock | $0 | +55K +8.98% | 673,378 1.15% of shares | low |
| Jan 6, 2026 | Gilson Michelle Executive | Exercise | Common Stock | $0 | +21K +46.34% | 64,832 0.11% of shares | low |
| Jan 3, 2026 | Gilson Michelle Executive | Exercise | Common Stock | $0 | +15K +52.97% | 44,302 0.08% of shares | low |
| Jan 2, 2026 | Gilson Michelle Executive | Exercise | Common Stock | $0 | +20K +242.10% | 28,962 0.05% of shares | low |
| Jan 6, 2026 | Heery Christopher Executive | Exercise | Restricted Stock Unit | — | -13K -25.00% | 39,194 0.07% of shares | low |
| Jan 3, 2026 | Heery Christopher Executive | Exercise | Restricted Stock Unit | — | -17K -100.00% | 0 0.00% of shares | low |
| Jan 2, 2026 | Heery Christopher Executive | Exercise | Restricted Stock Unit | — | -13K -50.00% | 13,021 0.02% of shares | low |
| Jan 2, 2026 | Heery Christopher Executive | Grant | Restricted Stock Unit | — | +68K | 67,708 0.12% of shares | low |
| Jan 20, 2026 | Lubner David Charles Director | Exercise | Stock Option (right to buy) | — | -6K -9.17% | 59,405 0.10% of shares | low |
| Jan 6, 2026 | Rami Elghandour Executive | Exercise | Restricted Stock Unit | — | -56K -25.00% | 167,973 0.29% of shares | low |
| Jan 3, 2026 | Rami Elghandour Executive | Exercise | Restricted Stock Unit | — | -53K -100.00% | 0 0.00% of shares | low |
| Jan 2, 2026 | Rami Elghandour Executive | Exercise | Restricted Stock Unit | — | -55K -50.00% | 55,459 0.09% of shares | low |
| Jan 2, 2026 | Rami Elghandour Executive | Grant | Restricted Stock Unit | — | +208K | 208,333 0.36% of shares | low |
| Jan 6, 2026 | Gilson Michelle Executive | Exercise | Restricted Stock Unit | — | -21K -25.00% | 61,590 0.11% of shares | low |
| Jan 3, 2026 | Gilson Michelle Executive | Exercise | Restricted Stock Unit | — | -15K -100.00% | 0 0.00% of shares | low |
| Jan 2, 2026 | Gilson Michelle Executive | Exercise | Restricted Stock Unit | — | -20K -50.00% | 20,496 0.04% of shares | low |
| Jan 2, 2026 | Gilson Michelle Executive | Grant | Restricted Stock Unit | — | +89K | 88,542 0.15% of shares | low |