Arcellx, Inc. — Insider Transactions
Form 4 filings by directors, officers, and 10%+ shareholders
SEC rules require corporate insiders — including directors, executive officers, and any shareholder owning more than 10% of a company's shares — to report changes in their ownership within two business days of a transaction. These disclosures are filed as Form 4. Open-market purchases (code P) are generally considered the most meaningful signal, as insiders are spending their own money.
| Insider | Title | Type | Shares | Price | Value | Owns After | Date |
|---|---|---|---|---|---|---|---|
| Heery Christopher | CHIEF MEDICAL OFFICER | Option Exercise | 10,901 | $6.28 | $68,458 | 20,179 | Jul 16, 2024 |
| Heery Christopher | CHIEF MEDICAL OFFICER | Sale | 3,671 | $60.01 | $220,297 | 9,278 | Jul 12, 2024 |
| Patel Kavita | — | Sale | 648 | $57.15 | $37,033 | — | Jul 9, 2024 |
| Heery Christopher | CHIEF MEDICAL OFFICER | Option Exercise | 7,036 | $6.28 | $44,186 | 16,314 | Jul 1, 2024 |
| Patel Kavita | — | Sale | 5,029 | $54.51 | $274,131 | — | Jun 27, 2024 |
| Gilson Michelle | CHIEF FINANCIAL OFFICER | Sale | 12,326 | $53.68 | $661,660 | 7,466 | Jun 26, 2024 |
| Heery Christopher | CHIEF MEDICAL OFFICER | Option Exercise | 7,964 | $6.28 | $50,014 | 17,242 | Jun 12, 2024 |
| Gilson Michelle | CHIEF FINANCIAL OFFICER | Option Exercise | 22,428 | — | — | 31,913 | May 24, 2024 |
| Heery Christopher | CHIEF MEDICAL OFFICER | Sale | 10,481 | $51.48 | $539,562 | 9,538 | May 1, 2024 |
| Ware Olivia C | — | Sale | 6,790 | $55.36 | $375,894 | 2,612 | Apr 16, 2024 |
| Elghandour Rami | SEE REMARKS | Sale | 2,711 | $68.42 | $185,487 | 69,253 | Apr 1, 2024 |
| Heery Christopher | CHIEF MEDICAL OFFICER | Sale | 1,000 | $72.25 | $72,250 | 8,938 | Mar 22, 2024 |
| Carroll Jill | — | Sale | 504,263 | $70.55 | $35,575,755 | 1,479,148 | Mar 21, 2024 |
| Gilson Michelle | CHIEF FINANCIAL OFFICER | Sale | 3,782 | $69.03 | $261,071 | 12,528 | Mar 18, 2024 |
| Ware Olivia C | — | Option Exercise | 9,000 | $7.61 | $68,490 | 9,000 | Mar 15, 2024 |
| Heery Christopher | CHIEF MEDICAL OFFICER | Sale | 2,967 | $64.46 | $191,253 | 30,303 | Feb 9, 2024 |
| Elghandour Rami | SEE REMARKS | Sale | 13,886 | $63.40 | $880,372 | 103,508 | Feb 8, 2024 |
| Heery Christopher | CHIEF MEDICAL OFFICER | Option Exercise | 22,555 | — | — | 40,414 | Feb 7, 2024 |
| Elghandour Rami | SEE REMARKS | Option Exercise | 70,211 | — | — | 130,404 | Feb 7, 2024 |
| Heery Christopher | Chief Medical Officer | Sale | 7,598 | $55.27 | $419,941 | 17,859 | Jan 4, 2024 |
| Gilson Michelle | Chief Financial Officer | Sale | 8,514 | $55.27 | $470,569 | 16,310 | Jan 4, 2024 |
| Elghandour Rami | See Remarks | Sale | 29,073 | $55.27 | $1,606,865 | 60,193 | Jan 4, 2024 |
| Heery Christopher | Chief Medical Officer | Option Exercise | 16,519 | — | — | 25,457 | Jan 3, 2024 |
| Elghandour Rami | See Remarks | Option Exercise | 53,097 | — | — | 89,266 | Jan 3, 2024 |
| Heery Christopher | Chief Medical Officer | Sale | 12,243 | $51.03 | $624,760 | 8,640 | Dec 18, 2023 |
| Carroll Jill | — | Sale | 504,263 | $49.13 | $24,774,441 | 1,983,411 | Dec 14, 2023 |
| Heery Christopher | Chief Medical Officer | Sale | 3,000 | $35.38 | $106,140 | 7,795 | Aug 4, 2023 |
| Heery Christopher | Chief Medical Officer | Option Exercise | 3,000 | $15.00 | $45,000 | 10,795 | Jul 3, 2023 |
| Behbahani Ali | — | Other | 28 | — | — | 85 | Jun 1, 2023 |
| Elghandour Rami | See Remarks | Sale | 2,600 | $44.27 | $115,102 | 36,169 | May 31, 2023 |
| Carroll Jill | — | Sale | 25,556 | $44.35 | $1,133,409 | 2,487,674 | May 31, 2023 |
| Gilson Michelle | Chief Financial Officer | Sale | 6,000 | $42.77 | $256,620 | 9,485 | May 23, 2023 |
| Carroll Jill | — | Sale | 6,485 | $46.15 | $299,283 | 2,828,394 | May 11, 2023 |
| SR ONE CAPITAL PARTNERS I, LP | — | Sale | 631,932 | $45.00 | $28,436,940 | 2,834,879 | May 11, 2023 |
| Heery Christopher | Chief Medical Officer | Sale | 2,197 | $45.18 | $99,260 | 7,795 | May 9, 2023 |
| Heery Christopher | Chief Medical Officer | Sale | 1,200 | $45.00 | $54,000 | 10,492 | May 5, 2023 |
| Heery Christopher | Chief Medical Officer | Option Exercise | 3,000 | $15.00 | $45,000 | 14,692 | May 3, 2023 |
| Heery Christopher | Chief Medical Officer | Option Exercise | 10,000 | $15.00 | $150,000 | 31,692 | Apr 24, 2023 |
| Heery Christopher | Chief Medical Officer | Option Exercise | 9,745 | $15.00 | $146,175 | 27,334 | Apr 18, 2023 |
| Heery Christopher | Chief Medical Officer | Sale | 2,598 | $30.63 | $79,577 | 15,991 | Apr 3, 2023 |
| Heery Christopher | Chief Medical Officer | Sale | 6,966 | $30.77 | $214,344 | 15,589 | Feb 7, 2023 |
| Elghandour Rami | See Remarks | Sale | 31,442 | $30.77 | $967,470 | 38,769 | Feb 7, 2023 |
| Heery Christopher | Chief Medical Officer | Sale | 1,255 | $35.11 | $44,063 | — | Feb 3, 2023 |
| Gilson Michelle | Chief Financial Officer | Option Exercise | 15,339 | — | — | 24,824 | Jan 3, 2023 |
| Heery Christopher | Chief Medical Officer | Option Exercise | 2,500 | $15.00 | $37,500 | 2,500 | Jan 3, 2023 |
| SANDELL SCOTT D | — | Sale | 195 | $31.67 | $6,176 | — | Dec 23, 2022 |
| BASKETT FOREST | — | Other | 2,000,000 | — | — | 4,745,262 | Dec 22, 2022 |
| Sonsini Peter W. | — | Other | 785 | — | — | 785 | Dec 20, 2022 |
| SANDELL SCOTT D | — | Other | 1,232 | — | — | 1,232 | Dec 20, 2022 |
| Makhzoumi Mohamad | — | Other | 283 | — | — | 283 | Dec 20, 2022 |