Insider Ledger
CLDX insider buying and SEC filings, explained
Celldex Therapeutics, Inc. · CIK 744218
Tracked: Forms 3/4/5, 8-K, NT · All filings on sec.gov
Company profile
- Exchanges
- Nasdaq
- Industry (SIC)
- In Vitro & In Vivo Diagnostic Substances
- State of incorporation
- DE
- Fiscal year end
- Dec 31
- Former names
- AVANT IMMUNOTHERAPEUTICS INC; T CELL SCIENCES INC
Insider activity in the last 12 months
Bought
$0
Insiders who bought
0
Sold (not marked 10b5-1)
$121K
Planned sales (10b5-1)
$0
Insider purchases and sales, last 12 months
| Traded | Type | What was filed | Source |
|---|---|---|---|
| Dec 4, 2025 | Sale | Freddy A. Jimenez (SVP & General Counsel) sold 4,166 shares at $29.10 ($121K). Holdings down 12% to 30,796 shares. Not marked as a 10b5-1 plan trade. | SEC filing Filed Dec 8, 2025 |
23 routine transactions (such as grants, option exercises or tax withholding) are not listed.
Cluster buys
No cluster buys in the last 12 months.
Red flags
No red flags in the last 12 months.
Key events
No key events in the last 12 months.
8-K filings, last 12 months
No 8-K filings in the last 12 months.
Red flags are objective triggers only: the item or form filed, never an opinion.
Follow CLDX in the Insider Ledger app
Get the appA plain-English brief of insider purchases, 8-Ks and red flags at the companies you pick. No account needed.