Company · Ownership research

Celldex Therapeutics, Inc. CLDX

CIK 0000744218

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 57 rows; the complete set is available through the API.

Insider filings on file run through Jun 29, 2026.

Insider purchases & sales

Purchased: $308.43K
Sold: $13.42M

Nov 1, 2023 – Jun 29, 2026
Available records · partial months are marked ·

202410 of 12 preview events

Date	Insider	Activity	Trade value (USD)	% of prior holding
Nov 11, 2024	Marucci Anthony S PRESIDENT & CEO · Director	Purchase	$308.43K 11,500 shares bought	39.95% added Direct holding	▾
Jun 14, 2024	Martin Samuel Bates SVP AND CFO	Sale	$608.31K 17,172 shares sold	37.91% sold Direct holding	▾
Jun 14, 2024	Crowley Elizabeth SR. VP & CPDO	Sale	$1.05M 30,000 shares sold	76.78% sold Direct holding	▾
Jun 7, 2024	Crowley Elizabeth SR. VP & CPDO	Sale	$525.87K 15,000 shares sold	62.31% sold Direct holding	▾
Jun 7, 2024	Young Diane C. SVP, CHIEF MEDICAL OFFICER	Sale	$1.59M 45,000 shares sold	95.51% sold Direct holding	▾
Jun 3, 2024	Heath-Chiozzi Margo SVP OF REGULATORY AFFAIRS	Sale	$1.96M 58,369 shares sold	81.35% sold Direct holding	▾
Jun 3, 2024	Wright Richard M. SR. VP & CCO	Sale	$1.58M 46,844 shares sold	69.22% sold Direct holding	▾
Jun 3, 2024	Jimenez Freddy A. SVP & GENERAL COUNSEL	Sale	$269.00K 8,006 shares sold	23.60% sold Direct holding	▾
May 30, 2024	Heath-Chiozzi Margo SVP OF REGULATORY AFFAIRS	Sale	$1.32M 38,719 shares sold	84.52% sold Direct holding	▾
May 30, 2024	Martin Samuel Bates SVP AND CFO	Sale	$1.19M 35,000 shares sold	58.21% sold Direct holding	▾

Showing 12 / 12 record groups in 2024. The complete set is available through the API.

Celldex Therapeutics, Inc. · CLDX

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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 12 of 12 purchase / sale groups and 30 of 57 other groups; the totals and the monthly series cover the whole window.

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

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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.