ACLX Insider Trading

Arcellx, Inc. · full profile →Last filing Apr 28, 2026
Net Selling · 180d
Open-Market Buys (180d)
$0
0 insiders
Open-Market Sells (180d)
$13.3M
3 insiders
Net Insider Flow
-$13.3M
open market, 180d
Reporting Insiders
3
8 P/S transactions
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Build on these Form 4 transactions

The public view is the crawlable proof. The same sourced dataset is available through REST and MCP for agents, research scripts, and back-office tools.

Recent Form 4 Transactions

100 shown
DateInsiderRoleActionSharesPriceValue
Apr 28, 2026Myers KristinDirectorDisposed to issuer(D)2K
Apr 28, 2026Myers KristinDirectorDisposed to issuer(D)17K
Apr 28, 2026Gilson MichelleCHIEF FINANCIAL OFFICERDisposed to issuer(D)59K
Apr 28, 2026Gilson MichelleCHIEF FINANCIAL OFFICERGrant(A)59K
Apr 28, 2026Gilson MichelleCHIEF FINANCIAL OFFICERDisposed to issuer(D)89K
Apr 28, 2026Gilson MichelleCHIEF FINANCIAL OFFICERDisposed to issuer(D)62K
Apr 28, 2026Gilson MichelleCHIEF FINANCIAL OFFICERDisposed to issuer(D)20K
Apr 28, 2026Gilson MichelleCHIEF FINANCIAL OFFICERDisposed to issuer(D)95K
Apr 28, 2026Gilson MichelleCHIEF FINANCIAL OFFICERDisposed to issuer(D)71K
Apr 28, 2026Gilson MichelleCHIEF FINANCIAL OFFICERDisposed to issuer(D)33K
Apr 28, 2026Gilson MichelleCHIEF FINANCIAL OFFICERDisposed to issuer(D)40K
Apr 28, 2026Gilson MichelleCHIEF FINANCIAL OFFICERTender(U)5K
Apr 28, 2026Gilson MichelleCHIEF FINANCIAL OFFICERTender(U)67K
Apr 28, 2026Heery ChristopherCHIEF MEDICAL OFFICERDisposed to issuer(D)45K
Apr 28, 2026Heery ChristopherCHIEF MEDICAL OFFICERGrant(A)45K
Apr 28, 2026Heery ChristopherCHIEF MEDICAL OFFICERDisposed to issuer(D)68K
Apr 28, 2026Heery ChristopherCHIEF MEDICAL OFFICERDisposed to issuer(D)39K
Apr 28, 2026Heery ChristopherCHIEF MEDICAL OFFICERDisposed to issuer(D)13K
Apr 28, 2026Heery ChristopherCHIEF MEDICAL OFFICERDisposed to issuer(D)60K
Apr 28, 2026Heery ChristopherCHIEF MEDICAL OFFICERDisposed to issuer(D)76K
Apr 28, 2026Heery ChristopherCHIEF MEDICAL OFFICERDisposed to issuer(D)40K
Apr 28, 2026Heery ChristopherCHIEF MEDICAL OFFICERDisposed to issuer(D)132K
Apr 28, 2026Heery ChristopherCHIEF MEDICAL OFFICERDisposed to issuer(D)44K
Apr 28, 2026Heery ChristopherCHIEF MEDICAL OFFICERDisposed to issuer(D)11K
Apr 28, 2026Heery ChristopherCHIEF MEDICAL OFFICERTender(U)24K
Apr 28, 2026Patel KavitaDirectorDisposed to issuer(D)9K
Apr 28, 2026Patel KavitaDirectorDisposed to issuer(D)8K
Apr 28, 2026Patel KavitaDirectorDisposed to issuer(D)11K
Apr 28, 2026Patel KavitaDirectorDisposed to issuer(D)21K
Apr 28, 2026Patel KavitaDirectorDisposed to issuer(D)27K
Apr 28, 2026Ware Olivia CDirectorDisposed to issuer(D)9K
Apr 28, 2026Ware Olivia CDirectorDisposed to issuer(D)8K
Apr 28, 2026Ware Olivia CDirectorDisposed to issuer(D)11K
Apr 28, 2026Ware Olivia CDirectorDisposed to issuer(D)37K
Apr 28, 2026Elghandour RamiSEE REMARKS, DirectorDisposed to issuer(D)139K
Apr 28, 2026Elghandour RamiSEE REMARKS, DirectorGrant(A)139K
Apr 28, 2026Elghandour RamiSEE REMARKS, DirectorDisposed to issuer(D)284K
Apr 28, 2026Elghandour RamiSEE REMARKS, DirectorGrant(A)284K
Apr 28, 2026Elghandour RamiSEE REMARKS, DirectorDisposed to issuer(D)148K
Apr 28, 2026Elghandour RamiSEE REMARKS, DirectorGrant(A)148K
Apr 28, 2026Elghandour RamiSEE REMARKS, DirectorDisposed to issuer(D)208K
Apr 28, 2026Elghandour RamiSEE REMARKS, DirectorDisposed to issuer(D)168K
Apr 28, 2026Elghandour RamiSEE REMARKS, DirectorDisposed to issuer(D)55K
Apr 28, 2026Elghandour RamiSEE REMARKS, DirectorDisposed to issuer(D)810K
Apr 28, 2026Elghandour RamiSEE REMARKS, DirectorDisposed to issuer(D)256K
Apr 28, 2026Elghandour RamiSEE REMARKS, DirectorDisposed to issuer(D)245K
Apr 28, 2026Elghandour RamiSEE REMARKS, DirectorDisposed to issuer(D)120K
Apr 28, 2026Elghandour RamiSEE REMARKS, DirectorDisposed to issuer(D)838K
Apr 28, 2026Elghandour RamiSEE REMARKS, DirectorDisposed to issuer(D)1.1M
Apr 28, 2026Elghandour RamiSEE REMARKS, DirectorTender(U)101K
Apr 28, 2026Elghandour RamiSEE REMARKS, DirectorTender(U)219K
Apr 28, 2026Elghandour RamiSEE REMARKS, DirectorTender(U)198K
Apr 28, 2026Elghandour RamiSEE REMARKS, DirectorTender(U)175K
Apr 28, 2026Lubner David CharlesDirectorDisposed to issuer(D)9K
Apr 28, 2026Lubner David CharlesDirectorDisposed to issuer(D)8K
Apr 28, 2026Lubner David CharlesDirectorDisposed to issuer(D)11K
Apr 28, 2026Lubner David CharlesDirectorDisposed to issuer(D)62K
Apr 28, 2026Lubner David CharlesDirectorDisposed to issuer(D)32K
Apr 28, 2026Lubner David CharlesDirectorDisposed to issuer(D)59K
Apr 28, 2026Lubner David CharlesDirectorDisposed to issuer(D)14K
Apr 28, 2026Lubner David CharlesDirectorTender(U)22K
Apr 28, 2026Galligan Andrew HDirectorDisposed to issuer(D)2K
Apr 28, 2026Galligan Andrew HDirectorDisposed to issuer(D)17K
Apr 28, 2026Galligan Andrew HDirectorTender(U)5K
Apr 28, 2026Carroll JillDirectorDisposed to issuer(D)9K
Apr 28, 2026Carroll JillDirectorDisposed to issuer(D)8K
Apr 28, 2026Carroll JillDirectorDisposed to issuer(D)11K
Apr 28, 2026Carroll JillDirectorTender(U)1.5M
Apr 28, 2026Behbahani AliDirectorDisposed to issuer(D)9K
Apr 28, 2026Behbahani AliDirectorDisposed to issuer(D)8K
Apr 28, 2026Behbahani AliDirectorDisposed to issuer(D)11K
Apr 28, 2026Behbahani AliDirectorTender(U)3K
Apr 28, 2026Behbahani AliDirectorTender(U)2K
Apr 16, 2026Gilson MichelleCHIEF FINANCIAL OFFICEROption exercise(M)2K$0
Apr 16, 2026Gilson MichelleCHIEF FINANCIAL OFFICEROption exercise(M)2K$8.66$18K
Apr 15, 2026Gilson MichelleCHIEF FINANCIAL OFFICEROption exercise(M)36K$0
Apr 15, 2026Gilson MichelleCHIEF FINANCIAL OFFICEROption exercise(M)36K$8.66$312K
Mar 17, 2026Gilson MichelleCHIEF FINANCIAL OFFICERGift(G)5K$0
Mar 4, 2026Elghandour RamiSEE REMARKS, DirectorGift(G)101K$0
Feb 27, 2026Elghandour RamiSEE REMARKS, DirectorSell(S)90K$113.92$10.2M
Feb 25, 2026Gilson MichelleCHIEF FINANCIAL OFFICERSell(S)11K$113.82$1.3M
Feb 19, 2026Gilson MichelleCHIEF FINANCIAL OFFICERSell(S)100$69.38$7K
Feb 19, 2026Gilson MichelleCHIEF FINANCIAL OFFICERSell(S)5K$68.57$371K
Feb 19, 2026Gilson MichelleCHIEF FINANCIAL OFFICERSell(S)3K$67.73$195K
Feb 17, 2026Gilson MichelleCHIEF FINANCIAL OFFICERSell(S)4K$70.01$291K
Feb 17, 2026Gilson MichelleCHIEF FINANCIAL OFFICERSell(S)7K$69.21$494K
Feb 11, 2026Elghandour RamiSEE REMARKS, DirectorGift(G)219K$0
Feb 11, 2026Elghandour RamiSEE REMARKS, DirectorGift(G)198K$0
Jan 20, 2026Lubner David CharlesDirectorSell(S)6K$75.00$450K
Jan 20, 2026Lubner David CharlesDirectorOption exercise(M)6K$6.28$38K
Jan 20, 2026Lubner David CharlesDirectorOption exercise(M)6K$0
Jan 14, 2026Heery ChristopherCHIEF MEDICAL OFFICERSell(S)6K$68.51$403K
Jan 13, 2026Heery ChristopherCHIEF MEDICAL OFFICERSell(S)7K$65.51$487K
Jan 12, 2026Heery ChristopherCHIEF MEDICAL OFFICERSell(S)6K$64.15$393K
Jan 6, 2026Gilson MichelleCHIEF FINANCIAL OFFICEROption exercise(M)21K$0
Jan 6, 2026Gilson MichelleCHIEF FINANCIAL OFFICEROption exercise(M)21K$0
Jan 6, 2026Elghandour RamiSEE REMARKS, DirectorOption exercise(M)56K$0
Jan 6, 2026Elghandour RamiSEE REMARKS, DirectorOption exercise(M)56K$0
Jan 6, 2026Heery ChristopherCHIEF MEDICAL OFFICEROption exercise(M)13K$0
Jan 6, 2026Heery ChristopherCHIEF MEDICAL OFFICEROption exercise(M)13K$0

Data Source

Insider transactions sourced from SEC EDGAR Form 4 filings, normalized within minutes of acceptance. "Buy"/"Sell" mark open-market transactions (codes P/S), the tradeable signal. Awards, option exercises and tax-withholding are shown with their raw code. All data is public domain.

Coverage: Form 4 filings indexed 2021-03-292026-07-14. Earlier history is backfilling; this window widens as it deepens.

Programmatic access via the Arkolith API & MCP server (insider.transactions, insider.company).