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ACLX

Arcellx, Inc.

Company with tickers: ACLX

CIK
1786205
CUSIP
03940C100
Shares Outstanding
58,506,348
13F Activity (30d)
141 filings 139 filers

Notices of intent to sell restricted or control shares, filed with the SEC on Form 144 by insiders and affiliates. A Form 144 signals a planned sale — it does not confirm the shares were actually sold.

Filed Seller Shares
2026-02-27 Elghandour Rami 89,916
2026-02-25 Gilson Michelle 11,219
2026-02-19 Gilson Michelle 8,384
2026-02-17 Gilson Michelle 11,291
2026-01-20 DAVID LUBNER 15,000
2026-01-14 Heery Christopher 5,882
2026-01-13 Heery Christopher 7,437
2026-01-12 Heery Christopher 6,131
2025-10-15 MICHELLE GILSON 5,364
2025-10-03 MICHELLE GILSON 5,946
2025-09-18 CHRISTOPHER HEERY 37,486
2025-06-10 KAVITA K PATEL 1,500
2025-05-27 Gilson Michelle 12,235
2025-04-29 Yoon Derek 19,470
2025-02-26 Elghandour Rami 38,300
2025-02-25 KAVITA K PATEL 7,500
2025-02-24 Heery Christopher 10,155
2025-01-07 Elghandour Rami 32,000
2025-01-07 Gilson Michelle 9,100
2025-01-07 Heery Christopher 8,100
2025-01-07 MICHELLE GILSON 9,252
2025-01-03 Heery Christopher 7,000
2025-01-03 Gilson Michelle 13,000
2025-01-03 Elghandour Rami 33,000
2024-11-08 MICHELLE GILSON 14,115
2024-11-08 KAVITA K PATEL 45,003
2024-11-07 KAVITA K PATEL 13,976
2024-10-22 KAVITA K PATEL 7,500
2024-09-17 MICHELLE GILSON 15,000
2024-08-26 CHRISTOPHER HEERY 48,907
2024-07-11 CHRISTOPHER HEERY 45,451
2024-07-09 KAVITA K PATEL 6,900
2024-06-27 KAVITA K PATEL 10,600
2024-06-26 MICHELLE GILSON 12,877
2024-06-12 CHRISTOPHER HEERY 34,579
2024-05-24 Gilson Michelle 12,121
2024-04-01 RAMI ELGHANDOUR 23,086
2024-03-22 CHRISTOPHER HEERY 70,404
2024-03-21 SR One Co-Invest II, LLC 295,737
2024-03-21 SR One Capital Fund I Aggregator LP 504,263
2024-03-18 MICHELLE GILSON 6,825
2024-03-15 OLIVIA WARE 18,402
2024-03-07 Aju Life Science 3.0 Venture Fund 195,000
2024-02-08 Heery Christopher 14,000
2024-02-08 Elghandour Rami 43,000
2024-01-04 Heery Christopher 7,598
2024-01-04 Gilson Michelle 8,514
2024-01-04 Elghandour Rami 29,073
2023-12-28 Aju Life Science 3.0 Venture Fund 333,333
2023-12-18 Heery Christopher 120,000
Showing 1–50 of 61 filings