ACLX insider transaction filings
Arcellx, Inc. — 50 most recent Form 4 filings from SEC EDGAR, normalized by FilingPulse. Latest filing: 2026-04-28. Screen ACLX transaction legs live →
| Filed | Form | Insider | Reported transactions | Source |
|---|---|---|---|---|
| 2026-04-28 | 4 | Myers Kristin — Director | Disposition to issuer (D): 16,829 (derivative) · Disposition to issuer (D): 1,784 (derivative) | EDGAR |
| 2026-04-28 | 4 | Gilson Michelle — CHIEF FINANCIAL OFFICER | Code (U): 67,048 · Code (U): 5,000 · Disposition to issuer (D): 40,205 (derivative) · Disposition to issuer (D): 32,500 (derivative) · Disposition to issuer (D): 70,796 (derivative) · Disposition to issuer (D): 94,596 (derivative) · +5 more | EDGAR |
| 2026-04-28 | 4 | Heery Christopher — CHIEF MEDICAL OFFICER | Code (U): 23,749 · Disposition to issuer (D): 10,901 (derivative) · Disposition to issuer (D): 43,604 (derivative) · Disposition to issuer (D): 132,416 (derivative) · Disposition to issuer (D): 40,000 (derivative) · Disposition to issuer (D): 76,242 (derivative) · +6 more | EDGAR |
| 2026-04-28 | 4 | Patel Kavita — Director | Disposition to issuer (D): 27,077 (derivative) · Disposition to issuer (D): 20,513 (derivative) · Disposition to issuer (D): 11,459 (derivative) · Disposition to issuer (D): 8,011 (derivative) · Disposition to issuer (D): 9,174 (derivative) | EDGAR |
| 2026-04-28 | 4 | Ware Olivia C — Director | Disposition to issuer (D): 36,806 (derivative) · Disposition to issuer (D): 11,459 (derivative) · Disposition to issuer (D): 8,011 (derivative) · Disposition to issuer (D): 9,174 (derivative) | EDGAR |
| 2026-04-28 | 4 | Behbahani Ali — Director | Code (U): 1,925 · Code (U): 2,706 · Disposition to issuer (D): 11,459 (derivative) · Disposition to issuer (D): 8,011 (derivative) · Disposition to issuer (D): 9,174 (derivative) | EDGAR |
| 2026-04-28 | 4 | Elghandour Rami — SEE REMARKS, Director | Code (U): 174,887 · Code (U): 198,000 · Code (U): 218,500 · Code (U): 101,164 · Disposition to issuer (D): 1,068,005 (derivative) · Disposition to issuer (D): 837,602 (derivative) · +13 more | EDGAR |
| 2026-04-28 | 4 | Carroll Jill — Director | Code (U): 1,479,148 · Disposition to issuer (D): 11,459 (derivative) · Disposition to issuer (D): 8,011 (derivative) · Disposition to issuer (D): 9,174 (derivative) | EDGAR |
| 2026-04-28 | 4 | Lubner David Charles — Director | Code (U): 21,659 · Disposition to issuer (D): 13,626 (derivative) · Disposition to issuer (D): 59,405 (derivative) · Disposition to issuer (D): 31,794 (derivative) · Disposition to issuer (D): 61,538 (derivative) · Disposition to issuer (D): 11,459 (derivative) · +2 more | EDGAR |
| 2026-04-28 | 4 | Galligan Andrew H — Director | Code (U): 5,000 · Disposition to issuer (D): 16,829 (derivative) · Disposition to issuer (D): 1,784 (derivative) | EDGAR |
| 2026-04-17 | 4 | Gilson Michelle — CHIEF FINANCIAL OFFICER | Option exercise (M): 36,000 @ $8.66 · Option exercise (M): 2,110 @ $8.66 · Option exercise (M): 36,000 (derivative) @ $0 · Option exercise (M): 2,110 (derivative) @ $0 | EDGAR |
| 2026-03-19 | 4 | Gilson Michelle — CHIEF FINANCIAL OFFICER | Gift (G): 5,000 @ $0 | EDGAR |
| 2026-03-04 | 4 | Elghandour Rami — SEE REMARKS, Director | Gift (G): 101,164 @ $0 | EDGAR |
| 2026-02-27 | 4 | Elghandour Rami — SEE REMARKS, Director | Option exercise (M): 55,459 @ $0 · Option exercise (M): 53,098 @ $0 · Option exercise (M): 55,991 @ $0 · Sale (S): 89,916 @ $113.92 | EDGAR |
| 2026-02-25 | 4 | Gilson Michelle — CHIEF FINANCIAL OFFICER | Option exercise (M): 20,530 @ $0 · Sale (S): 11,219 @ $113.82 | EDGAR |
| 2026-02-19 | 4 | Gilson Michelle — CHIEF FINANCIAL OFFICER | Option exercise (M): 15,340 @ $0 · Sale (S): 2,879 @ $67.73 · Sale (S): 5,405 @ $68.57 · Sale (S): 100 @ $69.38 | EDGAR |
| 2026-02-18 | 4 | Gilson Michelle — CHIEF FINANCIAL OFFICER | Option exercise (M): 20,496 @ $0 · Sale (S): 7,141 @ $69.21 · Sale (S): 4,150 @ $70.01 | EDGAR |
| 2026-02-13 | 4 | Elghandour Rami — SEE REMARKS, Director | Gift (G): 198,000 @ $0 | EDGAR |
| 2026-02-13 | 4 | Elghandour Rami — SEE REMARKS, Director | Gift (G): 218,500 @ $0 | EDGAR |
| 2026-01-20 | 4 | Lubner David Charles — Director | Option exercise (M): 6,000 @ $6.28 · Sale (S): 6,000 @ $75 · Option exercise (M): 6,000 (derivative) @ $0 | EDGAR |
| 2026-01-14 | 4 | Heery Christopher — CHIEF MEDICAL OFFICER | Option exercise (M): 13,064 @ $0 · Sale (S): 5,882 @ $68.51 | EDGAR |
| 2026-01-13 | 4 | Heery Christopher — CHIEF MEDICAL OFFICER | Option exercise (M): 16,520 @ $0 · Sale (S): 7,437 @ $65.51 | EDGAR |
| 2026-01-12 | 4 | Heery Christopher — CHIEF MEDICAL OFFICER | Option exercise (M): 13,021 @ $0 · Sale (S): 6,131 @ $64.15 | EDGAR |
| 2026-01-06 | 4 | Heery Christopher — CHIEF MEDICAL OFFICER | Option exercise (M): 13,021 @ $0 · Option exercise (M): 16,520 @ $0 · Option exercise (M): 13,064 @ $0 · Grant/award (A): 67,708 (derivative) @ $0 · Option exercise (M): 13,021 (derivative) @ $0 · Option exercise (M): 16,520 (derivative) @ $0 · +1 more | EDGAR |
| 2026-01-06 | 4 | Gilson Michelle — CHIEF FINANCIAL OFFICER | Option exercise (M): 20,496 @ $0 · Option exercise (M): 15,340 @ $0 · Option exercise (M): 20,530 @ $0 · Grant/award (A): 88,542 (derivative) @ $0 · Option exercise (M): 20,496 (derivative) @ $0 · Option exercise (M): 15,340 (derivative) @ $0 · +1 more | EDGAR |
| 2026-01-06 | 4 | Elghandour Rami — SEE REMARKS, Director | Option exercise (M): 55,459 @ $0 · Option exercise (M): 53,098 @ $0 · Option exercise (M): 55,991 @ $0 · Grant/award (A): 208,333 (derivative) @ $0 · Option exercise (M): 55,459 (derivative) @ $0 · Option exercise (M): 53,098 (derivative) @ $0 · +1 more | EDGAR |
| 2025-11-17 | 4 | Heery Christopher — CHIEF MEDICAL OFFICER | Sale (S): 340 @ $90 | EDGAR |
| 2025-10-15 | 4 | Gilson Michelle — CHIEF FINANCIAL OFFICER | Sale (S): 5,364 @ $91.04 | EDGAR |
| 2025-10-06 | 4 | Gilson Michelle — CHIEF FINANCIAL OFFICER | Sale (S): 4,882 @ $86.00 · Sale (S): 1,064 @ $86.22 | EDGAR |
| 2025-09-30 | 4 | Heery Christopher — CHIEF MEDICAL OFFICER | Sale (S): 5,300 @ $80.55 · Sale (S): 14,204 @ $81.46 · Sale (S): 1,530 @ $82.20 | EDGAR |
| 2025-09-29 | 4 | Heery Christopher — CHIEF MEDICAL OFFICER | Sale (S): 73 @ $80.16 | EDGAR |
| 2025-09-26 | 4 | Heery Christopher — CHIEF MEDICAL OFFICER | Sale (S): 12,396 @ $80.12 | EDGAR |
| 2025-09-19 | 4 | Heery Christopher — CHIEF MEDICAL OFFICER | Sale (S): 3,343 @ $80.01 · Sale (S): 300 @ $80 | EDGAR |
| 2025-08-29 | 4 | Elghandour Rami — SEE REMARKS, Director | Tax withholding (F): 546,938 @ $70.25 | EDGAR |
| 2025-08-14 | 4 | Behbahani Ali — Director | Other (J): 1,586 @ $0 · Other (J): 2,621 @ $0 | EDGAR |
| 2025-06-11 | 4 | Patel Kavita — Director | Option exercise (M): 1,500 @ $6.66 · Sale (S): 1,500 @ $67.36 · Option exercise (M): 1,500 (derivative) @ $0 | EDGAR |
| 2025-05-30 | 4 | Myers Kristin — Director | Grant/award (A): 1,784 (derivative) @ $0 | EDGAR |
| 2025-05-30 | 4 | Patel Kavita — Director | Grant/award (A): 9,174 (derivative) @ $0 | EDGAR |
| 2025-05-30 | 4 | Ware Olivia C — Director | Grant/award (A): 9,174 (derivative) @ $0 | EDGAR |
| 2025-05-30 | 4 | Behbahani Ali — Director | Grant/award (A): 9,174 (derivative) @ $0 | EDGAR |
| 2025-05-30 | 4 | Carroll Jill — Director | Grant/award (A): 9,174 (derivative) @ $0 | EDGAR |
| 2025-05-30 | 4 | Lubner David Charles — Director | Grant/award (A): 9,174 (derivative) @ $0 | EDGAR |
| 2025-05-30 | 4 | Galligan Andrew H — Director | Grant/award (A): 1,784 (derivative) @ $0 | EDGAR |
| 2025-05-28 | 4 | Gilson Michelle — CHIEF FINANCIAL OFFICER | Option exercise (M): 22,429 @ $0 · Sale (S): 3,786 @ $63.62 · Sale (S): 8,449 @ $64.38 · Option exercise (M): 22,429 (derivative) @ $0 | EDGAR |
| 2025-05-20 | 4 | Patel Kavita — Director | Option exercise (M): 1,500 @ $6.66 · Sale (S): 1,500 @ $58.43 · Option exercise (M): 1,500 (derivative) @ $0 | EDGAR |
| 2025-04-29 | 4 | Patel Kavita — Director | Option exercise (M): 1,500 @ $6.66 · Sale (S): 1,500 @ $64.20 · Option exercise (M): 1,500 (derivative) @ $0 | EDGAR |
| 2025-04-08 | 4 | Patel Kavita — Director | Option exercise (M): 1,500 @ $6.66 · Sale (S): 1,500 @ $57.50 · Option exercise (M): 1,500 (derivative) @ $0 | EDGAR |
| 2025-03-20 | 4 | Myers Kristin — Director | Grant/award (A): 16,829 (derivative) @ $0 | EDGAR |
| 2025-03-20 | 4 | Galligan Andrew H — Director | Grant/award (A): 16,829 (derivative) @ $0 | EDGAR |
| 2025-03-18 | 4 | Patel Kavita — Director | Option exercise (M): 1,500 @ $6.66 · Sale (S): 1,500 @ $71.64 · Option exercise (M): 1,500 (derivative) @ $0 | EDGAR |
Recent 8-K events — Arcellx, Inc.
| Filed | Form | Items reported | Source |
|---|---|---|---|
| 2026-04-28 | 8-K | 2.01 — Completion of Acquisition or Disposition of Assets 3.01 — Notice of Delisting or Failure to Satisfy a Continued Listing Rule or Standard; Transfer of Listing 3.03 — Material Modification to Rights of Security Holders 5.01 — Changes in Control of Registrant 5.02 — Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers 5.03 — Amendments to Articles of Incorporation or Bylaws; Change in Fiscal Year 9.01 — Financial Statements and Exhibits | EDGAR |
| 2026-02-23 | 8-K | 1.01 — Entry into a Material Definitive Agreement 7.01 — Regulation FD Disclosure 9.01 — Financial Statements and Exhibits | EDGAR |
| 2025-12-08 | 8-K | 8.01 — Other Events 9.01 — Financial Statements and Exhibits | EDGAR |
| 2025-11-05 | 8-K | 2.02 — Results of Operations and Financial Condition 9.01 — Financial Statements and Exhibits | EDGAR |
| 2025-08-07 | 8-K | 2.02 — Results of Operations and Financial Condition 9.01 — Financial Statements and Exhibits | EDGAR |
| 2025-05-28 | 8-K | 5.07 — Submission of Matters to a Vote of Security Holders | EDGAR |
| 2025-05-14 | 8-K | 8.01 — Other Events 9.01 — Financial Statements and Exhibits | EDGAR |
| 2025-05-08 | 8-K | 2.02 — Results of Operations and Financial Condition 9.01 — Financial Statements and Exhibits | EDGAR |
| 2025-03-20 | 8-K | 5.02 — Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers 7.01 — Regulation FD Disclosure 9.01 — Financial Statements and Exhibits | EDGAR |
| 2025-02-27 | 8-K | 2.02 — Results of Operations and Financial Condition 9.01 — Financial Statements and Exhibits | EDGAR |
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