Over the past year there were no insider purchases at Arcellx, Inc.. Four insiders sold roughly $15.1 million instead.
Selling on its own is common and often pre-planned (10b5-1 plans, taxes, diversification), so it matters more when it is unusually heavy or broad.
Quarter by quarter: No open-market insider buying or selling in the last full quarter. Insiders bought in 0 of the last 7 full quarters.
| Filed | Insider | Role | Type | Shares | Price | Value | Source |
|---|---|---|---|---|---|---|---|
| Feb 27, 2026 | Elghandour Rami | Officer | Sell | 89,916 | $113.92 | $10.2M | SEC |
| Feb 25, 2026 | Gilson Michelle | CFO | Sell | 11,219 | $113.82 | $1.3M | SEC |
| Feb 19, 2026 | Gilson Michelle | CFO | Sell | 100 | $69.38 | $7K | SEC |
| Feb 19, 2026 | Gilson Michelle | CFO | Sell | 5,405 | $68.57 | $371K | SEC |
| Feb 19, 2026 | Gilson Michelle | CFO | Sell | 2,879 | $67.73 | $195K | SEC |
| Feb 18, 2026 | Gilson Michelle | CFO | Sell | 4,150 | $70.01 | $291K | SEC |
| Feb 18, 2026 | Gilson Michelle | CFO | Sell | 7,141 | $69.21 | $494K | SEC |
| Jan 20, 2026 | Lubner David Charles | Director | Sell | 6,000 | $75.00 | $450K | SEC |
| Jan 14, 2026 | Heery Christopher | Executive Officer | Sell | 5,882 | $68.51 | $403K | SEC |
| Jan 13, 2026 | Heery Christopher | Executive Officer | Sell | 7,437 | $65.51 | $487K | SEC |
| Jan 12, 2026 | Heery Christopher | Executive Officer | Sell | 6,131 | $64.15 | $393K | SEC |
| Nov 17, 2025 | Heery Christopher | Executive Officer | Sell | 340 | $90.00 | $31K | SEC |
| Oct 15, 2025 | Gilson Michelle | CFO | Sell | 5,364 | $91.04 | $488K | SEC |
| Oct 6, 2025 | Gilson Michelle | CFO | Sell | 1,064 | $86.22 | $92K | SEC |
| Oct 6, 2025 | Gilson Michelle | CFO | Sell | 4,882 | $86.00 | $420K | SEC |
In the last 12 months Arcellx, Inc. insiders made open-market purchases worth about $0 and sales worth about $15.1 million. Data comes from SEC Form 4 filings, updated every 30 minutes on CapitalSnitch.
The most recent open-market insider trade in ACLX was filed on 2026-02-27.
No congressional trades in ACLX were reported in the past two years. The full list is free on CapitalSnitch.
Public-record data for research and education, not investment advice. Insider sales are often pre-planned (10b5-1). Congress data: Data derived from public disclosures filed under the Ethics in Government Act and the STOCK Act, republished free for public transparency and news reporting. Disclosures may lag the trade by 45 days or more and show amounts only as ranges. This data may not be used for credit rating, loan underwriting, solicitation of money (political, charitable or other), direct-mail or commercial targeting (5 U.S.C. 13107).