Company profile
Celldex Therapeutics, Inc. Insider Trading
CLDXEvery SEC Form 4 insider trading filing for Celldex Therapeutics, Inc. (CLDX) since April 2023 — open-market buys and sells by directors and officers, option exercises, and cluster activity, updated as each filing is reported to the SEC. Why 2023?
- Exchange
- Nasdaq
- Sector
- In Vitro & In Vivo Diagnostic Substances
- CIK
- 0000744218
- Filings
- 93
- Insiders
- 20
- Last filing
- 2026-06-25
Activity summary
No insider transactions in the last 30 days. The most recent was on June 25, 2026, when Cavanaugh Sarah bought 95,000 shares. 93 filings from 20 insiders are on record below.
Three year balance
Buy and sell value by quarter, Q2 23 to Q2 26. Celldex Therapeutics, Inc. insiders are net sellers across the period shown.
Bars below the rule are sales, above are purchases. Largest quarter on the chart is $12.1M.
90 day insight
Over the last 90 days, Celldex Therapeutics, Inc. insiders bought $0 across 18 transactions with no open-market sales.
- Most active insider: Cavanaugh Sarah with 1 transaction totaling $0.
Activity skews bullish — buys outpace sales.
Insider Transactions
Sourced from SEC EDGAR Form 4 filings. Updated hourly.
| Date | Insider | Company | Type | Shares | Price | Value |
|---|---|---|---|---|---|---|
| Jun 25, 2026 | Cavanaugh Sarah | CLDX | Award | 95,000 | — | — |
| Jun 25, 2026 | Young Diane C. | CLDX | Award | 57,000 | — | — |
| Jun 25, 2026 | Brownlie Keith L | CLDX | Award | 26,000 | — | — |
| Jun 25, 2026 | Lawver Teri L | CLDX | Award | 90,000 | — | — |
| Jun 25, 2026 | Jain Rita | CLDX | Award | 26,000 | — | — |
45 more transactions hidden
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Query this yourself
The same rows, over the API.
curl "https://api.form4api.com/v1/transactions?ticker=CLDX" \
-H "X-Api-Key: $KEY"Top insiders
By total value filed.
Institutional Ownership
Top 13F-HR holders of Celldex Therapeutics, Inc. as of 2026-06-30
Data source: quarterly 13F-HR filings — institutional holders report positions within 45 days of quarter end. Joined with insider activity above — see who's loading up institutionally while insiders are trading. Full 13F-HR API →