ACLX Insider Trading Activity and SEC Form 4 Filings
ACLX insider trading summary
Over the past 12 months, insiders at Arcellx, Inc. (ACLX) reported 12 sales worth $14.6M by 4 insiders and no open-market purchases on SEC Form 4. Net insider selling was $14.6M.
Latest ACLX insider buys and sells
| Date | Insider | Role | Type | Value |
|---|---|---|---|---|
| Feb 27, 2026 | Rami Elghandour | See Remarks | Sell | $10.2M (89,916 @ $113.92) |
| Feb 25, 2026 | Michelle Gilson | Chief Financial Officer | Sell | $1.3M (11,219 @ $113.82) |
| Feb 19, 2026 | Michelle Gilson | Chief Financial Officer | Sell | $195K (2,879 @ $67.73) |
| Feb 19, 2026 | Michelle Gilson | Chief Financial Officer | Sell | $371K (5,405 @ $68.57) |
| Feb 19, 2026 | Michelle Gilson | Chief Financial Officer | Sell | $7K (100 @ $69.38) |
| Feb 17, 2026 | Michelle Gilson | Chief Financial Officer | Sell | $494K (7,141 @ $69.21) |
| Feb 17, 2026 | Michelle Gilson | Chief Financial Officer | Sell | $291K (4,150 @ $70.01) |
| Jan 20, 2026 | David Charles Lubner | Insider | Sell | $450K (6,000 @ $75.00) |
| Jan 14, 2026 | Christopher Heery | Chief Medical Officer | Sell | $403K (5,882 @ $68.51) |
| Jan 13, 2026 | Christopher Heery | Chief Medical Officer | Sell | $487K (7,437 @ $65.51) |
Source: SEC Form 4 filings. Open-market purchases (code P) and sales (code S) only; option exercises, grants and gifts are excluded.