Company · Ownership research

Arcellx, Inc. ACLX

CIK 0001786205

Form 4 transactions dated Nov 1, 2023 to Nov 8, 2026, as reported to the SEC.

Insider trading Initial holdings Institutional holders

This page lists 30 of 45 rows; the complete set is available through the API.

Insider filings on file run through Apr 28, 2026.

Insider purchases & sales

Purchased: $0.00
Sold: $130.82M

Nov 1, 2023 – Apr 28, 2026
Available records · partial months are marked ·

202410 of 30 preview events · 45 available in 2024

Date	Insider	Activity	Trade value (USD)	% of prior holding
Dec 24, 2024	Patel Kavita Director	Sale10b5-1 footnote	$115.45K 1,500 shares sold	100.00% sold Direct holding	▾
Dec 3, 2024	Patel Kavita Director	Sale10b5-1 footnote	$137.82K 1,500 shares sold	100.00% sold Direct holding	▾
Nov 15, 2024	Gilson Michelle CHIEF FINANCIAL OFFICER	Sale10b5-1 footnote	$156.51K 1,761 shares sold	100.00% sold Direct holding	▾
Nov 12, 2024	Patel Kavita Director	Sale10b5-1 footnote	$159.50K 1,500 shares sold	100.00% sold Direct holding	▾
Nov 11, 2024	Patel Kavita Director	Sale10b5-1 footnote	$1.61M 15,238 shares sold	100.00% sold Direct holding	▾
Nov 8, 2024	Gilson Michelle CHIEF FINANCIAL OFFICER	Sale10b5-1 footnote	$1.24M 12,354 shares sold	87.52% sold Direct holding	▾
Nov 8, 2024	Patel Kavita Director	Sale10b5-1 footnote	$3.52M 33,763 shares sold	100.00% sold Direct holding	▾
Nov 7, 2024	Patel Kavita Director	Sale10b5-1 footnote	$841.86K 8,478 shares sold	100.00% sold Direct holding	▾
Oct 22, 2024	Patel Kavita Director	Sale10b5-1 footnote	$134.53K 1,500 shares sold	100.00% sold Direct holding	▾
Oct 1, 2024	Patel Kavita Director	Sale10b5-1 footnote	$123.36K 1,500 shares sold	100.00% sold Direct holding	▾

Showing 30 / 45 record groups in 2024. The complete set is available through the API.

Arcellx, Inc. · ACLX

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The initial HTML of this page carries its exact data as script#research-data (JSON): values, units, scope, preview limits and SEC sources. Read it directly, no script or API key needed; script#research-access says what needs an account. For the year shown, this page lists 30 of 45 purchase / sale groups and 30 of 92 other groups; the totals and the monthly series cover the whole window.

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{"action":"list","ticker":"ACLX","transaction_code":["P","S"],"transaction_form_type":"4","page_size":20}

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Sources, coverage & how to read this data

Figures are as reported to the SEC and merged with later amendments where Akkru could match them. Preview limits apply to what is listed, not to the totals, which come from the complete reported data. Nothing is zero-filled: a missing quarter or month is shown as missing.

Non-cancelled, non-derivative purchase (P) and sale (S) rows dated inside the public window, as reported. Share totals are on today's split-adjusted basis. Includes open-market and private transactions. Data after the latest filing is not asserted complete and is not zero-filled. A grouped event shares filing, transaction date, security, code, direction, ownership bucket and source. Derivative groups also match underlying security, exercise price, exercise/expiration dates and footnote references. Reported rows are retained; P/S price lots can be grouped. Post-transaction balances are never summed.