CLDX

Celldex Therapeutics, Inc.

Insider trading activity for Celldex Therapeutics, Inc., straight from SEC Form 4 filings. Net figures below count open-market buys and sales only — grants, option exercises and tax withholding are excluded because they are compensation, not decisions to trade.

Past 3 months

net buying

Bought(0 · 0 insiders): $0
Sold(0 · 0 insiders): $0

Past 6 months

net buying

Bought(0 · 0 insiders): $0
Sold(0 · 0 insiders): $0

Past 12 months

-$1.3M

net selling

Bought(0 · 0 insiders): $0
Sold(2 · 2 insiders): $1.3M

Transaction history

The 52 most recent Form 4 transactions.

Open in screener →

Insider transactions, newest first: date, security, transaction type, size and a link to the filing each row came from.
Date	Insider	Role	Type	Shares	Price	Value	Δ Own	Filing
Jun 25	Lawver Teri L	SVP & Chief Commercial…	AGRANT◆	90,000	—	—	—	Open the original filing on SEC.gov
Jun 25	Jimenez Freddy A.	SVP & General Counsel	AGRANT◆	93,000	—	—	—	Open the original filing on SEC.gov
Jun 25	Torres Denice	Director	AGRANT◆	26,000	—	—	—	Open the original filing on SEC.gov
Jun 25	Heath-Chiozzi Margo	SVP of Regulatory…	AGRANT◆	95,000	—	—	—	Open the original filing on SEC.gov
Jun 25	Martin Samuel Bates	SVP and CFO	AGRANT◆	93,000	—	—	—	Open the original filing on SEC.gov
Jun 25	Jain Rita	Director	AGRANT◆	26,000	—	—	—	Open the original filing on SEC.gov
Jun 25	Crowley Elizabeth	Sr. VP & Cpdo	AGRANT◆	100,000	—	—	—	Open the original filing on SEC.gov
Jun 25	Young Diane C.	SVP, Chief Medical…	AGRANT◆	57,000	—	—	—	Open the original filing on SEC.gov
Jun 25	Neil Garry Arthur	Director	AGRANT◆	26,000	—	—	—	Open the original filing on SEC.gov
Jun 25	Cohen Cheryl	Director	AGRANT◆	26,000	—	—	—	Open the original filing on SEC.gov
Jun 25	Marucci Anthony S	President & CEO	AGRANT◆	375,000	—	—	—	Open the original filing on SEC.gov
Jun 25	Keler Tibor	Executive VP & CSO	AGRANT◆	115,000	—	—	—	Open the original filing on SEC.gov
Jun 25	Pepin Ronald	Sr. VP & Cbo	AGRANT◆	20,000	—	—	—	Open the original filing on SEC.gov
Jun 25	Marino James J	Director	AGRANT◆	26,000	—	—	—	Open the original filing on SEC.gov
Jun 25	Penner Harry Jr	Director	AGRANT◆	26,000	—	—	—	Open the original filing on SEC.gov
Jun 25	Cavanaugh Sarah	SVP of Corp Affairs &…	AGRANT◆	95,000	—	—	—	Open the original filing on SEC.gov
Jun 25	Conrad Herbert J	Director	AGRANT◆	26,000	—	—	—	Open the original filing on SEC.gov
Jun 25	Brownlie Keith L	Director	AGRANT◆	26,000	—	—	—	Open the original filing on SEC.gov
Jan 2	Martin Samuel Bates	SVP and CFO	MEXER◆	4,817	—	—	—	Open the original filing on SEC.gov
Jan 2	Martin Samuel Bates	SVP and CFO	MEXER	4,817	$10.38	$50K	+17.1%	Open the original filing on SEC.gov
Dec 15, 2025	Pepin Ronald	Sr. VP & Cbo	MEXER◆	11,000	—	—	—	Open the original filing on SEC.gov
Dec 15, 2025	Pepin Ronald	Sr. VP & Cbo	MEXER◆	8,333	—	—	—	Open the original filing on SEC.gov
Dec 15, 2025	Pepin Ronald	Sr. VP & Cbo	MEXER	11,000	$2.78	$30.6K	+120.9%	Open the original filing on SEC.gov
Dec 15, 2025	Pepin Ronald	Sr. VP & Cbo	MEXER	8,333	$9.02	$75.1K	+1,091%	Open the original filing on SEC.gov
Dec 4, 2025	Jimenez Freddy A.	SVP & General Counsel	SSELL	4,166	$29.10	$121.2K	-11.9%	Open the original filing on SEC.gov
Nov 13, 2025	Wright Richard M.	Former Officer	MEXER◆	15,750	—	—	—	Open the original filing on SEC.gov
Nov 13, 2025	Wright Richard M.	Former Officer	MEXER◆	26,672	—	—	—	Open the original filing on SEC.gov
Nov 13, 2025	Wright Richard M.	Former Officer	MEXER◆	6,876	—	—	—	Open the original filing on SEC.gov
Nov 13, 2025	Wright Richard M.	Former Officer	SSELL	49,298	$24.00	$1.2M	-70.3%	Open the original filing on SEC.gov
Nov 13, 2025	Wright Richard M.	Former Officer	MEXER	15,750	$22.48	$354.1K	+29.0%	Open the original filing on SEC.gov
Nov 13, 2025	Wright Richard M.	Former Officer	MEXER	26,672	$10.38	$276.9K	+96.3%	Open the original filing on SEC.gov
Nov 13, 2025	Wright Richard M.	Former Officer	MEXER	6,876	$9.02	$62K	+33.0%	Open the original filing on SEC.gov
Nov 10, 2025	Lawver Teri L	SVP & Chief Commercial…	AGRANT◆	100,000	—	—	—	Open the original filing on SEC.gov
Aug 13, 2025	Jimenez Freddy A.	SVP & General Counsel	SSELL	430	$25.42	$10.9K	-1.2%	Open the original filing on SEC.gov
Aug 13, 2025	Jimenez Freddy A.	SVP & General Counsel	SSELL	341	$23.95	$8.2K	-0.9%	Open the original filing on SEC.gov
Jun 5, 2025	Crowley Elizabeth	Sr. VP & Cpdo	AGRANT◆	85,000	—	—	—	Open the original filing on SEC.gov
Jun 5, 2025	Heath-Chiozzi Margo	SVP of Regulatory…	AGRANT◆	82,000	—	—	—	Open the original filing on SEC.gov
Jun 5, 2025	Jimenez Freddy A.	SVP & General Counsel	AGRANT◆	75,000	—	—	—	Open the original filing on SEC.gov
Jun 5, 2025	Martin Samuel Bates	SVP and CFO	AGRANT◆	81,000	—	—	—	Open the original filing on SEC.gov
Jun 5, 2025	Pepin Ronald	Sr. VP & Cbo	AGRANT◆	20,000	—	—	—	Open the original filing on SEC.gov
Jun 5, 2025	Young Diane C.	SVP, Chief Medical…	AGRANT◆	72,000	—	—	—	Open the original filing on SEC.gov
Jun 5, 2025	Keler Tibor	Executive VP & CSO	AGRANT◆	93,000	—	—	—	Open the original filing on SEC.gov
Jun 5, 2025	Marucci Anthony S	President & CEO	AGRANT◆	300,000	—	—	—	Open the original filing on SEC.gov
Jun 5, 2025	Torres Denice	Director	AGRANT◆	33,000	—	—	—	Open the original filing on SEC.gov
Jun 5, 2025	Jain Rita	Director	AGRANT◆	16,500	—	—	—	Open the original filing on SEC.gov
Jun 5, 2025	Neil Garry Arthur	Director	AGRANT◆	16,500	—	—	—	Open the original filing on SEC.gov
Jun 5, 2025	Penner Harry Jr	Director	AGRANT◆	16,500	—	—	—	Open the original filing on SEC.gov
Jun 5, 2025	Marino James J	Director	AGRANT◆	16,500	—	—	—	Open the original filing on SEC.gov
Jun 5, 2025	Cohen Cheryl	Director	AGRANT◆	16,500	—	—	—	Open the original filing on SEC.gov
Jun 5, 2025	Cavanaugh Sarah	SVP of Corp Affairs &…	AGRANT◆	78,000	—	—	—	Open the original filing on SEC.gov
Jun 5, 2025	Conrad Herbert J	Director	AGRANT◆	16,500	—	—	—	Open the original filing on SEC.gov
Jun 5, 2025	Brownlie Keith L	Director	AGRANT◆	16,500	—	—	—	Open the original filing on SEC.gov

AGRANT◆—

Lawver Teri L · SVP & Chief…Jun 25

90,000 sh

AGRANT◆—

Jimenez Freddy A. · SVP & General…Jun 25

93,000 sh

AGRANT◆—

Torres Denice · DirectorJun 25

26,000 sh

AGRANT◆—

Heath-Chiozzi Margo · SVP of Regulatory…Jun 25

95,000 sh

AGRANT◆—

Martin Samuel Bates · SVP and CFOJun 25

93,000 sh

AGRANT◆—

Jain Rita · DirectorJun 25

26,000 sh

AGRANT◆—

Crowley Elizabeth · Sr. VP & CpdoJun 25

100,000 sh

AGRANT◆—

Young Diane C. · SVP, Chief Medical…Jun 25

57,000 sh

AGRANT◆—

Neil Garry Arthur · DirectorJun 25

26,000 sh

AGRANT◆—

Cohen Cheryl · DirectorJun 25

26,000 sh

AGRANT◆—

Marucci Anthony S · President & CEOJun 25

375,000 sh

AGRANT◆—

Keler Tibor · Executive VP & CSOJun 25

115,000 sh

AGRANT◆—

Pepin Ronald · Sr. VP & CboJun 25

20,000 sh

AGRANT◆—

Marino James J · DirectorJun 25

26,000 sh

AGRANT◆—

Penner Harry Jr · DirectorJun 25

26,000 sh

AGRANT◆—

Cavanaugh Sarah · SVP of Corp…Jun 25

95,000 sh

AGRANT◆—

Conrad Herbert J · DirectorJun 25

26,000 sh

AGRANT◆—

Brownlie Keith L · DirectorJun 25

26,000 sh

MEXER◆—

Martin Samuel Bates · SVP and CFOJan 2

4,817 sh

MEXER$50K

Martin Samuel Bates · SVP and CFOJan 2

4,817 sh @ $10.38 · +17.1% own

MEXER◆—

Pepin Ronald · Sr. VP & CboDec 15, 2025

11,000 sh

MEXER◆—

Pepin Ronald · Sr. VP & CboDec 15, 2025

8,333 sh

MEXER$30.6K

Pepin Ronald · Sr. VP & CboDec 15, 2025

11,000 sh @ $2.78 · +120.9% own

MEXER$75.1K

Pepin Ronald · Sr. VP & CboDec 15, 2025

8,333 sh @ $9.02 · +1,091% own

SSELL$121.2K

Jimenez Freddy A. · SVP & General…Dec 4, 2025

4,166 sh @ $29.10 · -11.9% own

MEXER◆—

Wright Richard M. · Former OfficerNov 13, 2025

15,750 sh

MEXER◆—

Wright Richard M. · Former OfficerNov 13, 2025

26,672 sh

MEXER◆—

Wright Richard M. · Former OfficerNov 13, 2025

6,876 sh

SSELL$1.2M

Wright Richard M. · Former OfficerNov 13, 2025

49,298 sh @ $24.00 · -70.3% own

MEXER$354.1K

Wright Richard M. · Former OfficerNov 13, 2025

15,750 sh @ $22.48 · +29.0% own

MEXER$276.9K

Wright Richard M. · Former OfficerNov 13, 2025

26,672 sh @ $10.38 · +96.3% own

MEXER$62K

Wright Richard M. · Former OfficerNov 13, 2025

6,876 sh @ $9.02 · +33.0% own

AGRANT◆—

Lawver Teri L · SVP & Chief…Nov 10, 2025

100,000 sh

SSELL$10.9K

Jimenez Freddy A. · SVP & General…Aug 13, 2025

430 sh @ $25.42 · -1.2% own

SSELL$8.2K

Jimenez Freddy A. · SVP & General…Aug 13, 2025

341 sh @ $23.95 · -0.9% own

AGRANT◆—

Crowley Elizabeth · Sr. VP & CpdoJun 5, 2025

85,000 sh

AGRANT◆—

Heath-Chiozzi Margo · SVP of Regulatory…Jun 5, 2025

82,000 sh

AGRANT◆—

Jimenez Freddy A. · SVP & General…Jun 5, 2025

75,000 sh

AGRANT◆—

Martin Samuel Bates · SVP and CFOJun 5, 2025

81,000 sh

AGRANT◆—

Pepin Ronald · Sr. VP & CboJun 5, 2025

20,000 sh

AGRANT◆—

Young Diane C. · SVP, Chief Medical…Jun 5, 2025

72,000 sh

AGRANT◆—

Keler Tibor · Executive VP & CSOJun 5, 2025

93,000 sh

AGRANT◆—

Marucci Anthony S · President & CEOJun 5, 2025

300,000 sh

AGRANT◆—

Torres Denice · DirectorJun 5, 2025

33,000 sh

AGRANT◆—

Jain Rita · DirectorJun 5, 2025

16,500 sh

AGRANT◆—

Neil Garry Arthur · DirectorJun 5, 2025

16,500 sh

AGRANT◆—

Penner Harry Jr · DirectorJun 5, 2025

16,500 sh

AGRANT◆—

Marino James J · DirectorJun 5, 2025

16,500 sh

AGRANT◆—

Cohen Cheryl · DirectorJun 5, 2025

16,500 sh

AGRANT◆—

Cavanaugh Sarah · SVP of Corp…Jun 5, 2025

78,000 sh

AGRANT◆—

Conrad Herbert J · DirectorJun 5, 2025

16,500 sh

AGRANT◆—

Brownlie Keith L · DirectorJun 5, 2025

16,500 sh

Filing record

How quickly insiders here report their trades. Section 16 allows two business days from the transaction.

All 41 filings we hold were filed within the two-business-day deadline.

Counted in business days from the transaction date, or the deemed execution date where the filing reports one, excluding weekends and federal holidays. How this is measured · All late filings

Insiders at this company

Everyone who has filed a Form 4 for this issuer.

More biotech & pharma companies

Other issuers in the same industry with insider filings on record.

Whole sector →