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Profile

Identity, professional record and current appointments.

Overview

Professional record at a glance

A concise summary of information supported by the cited public sources. Missing information is treated as unknown, not as a negative finding.

Current roles
11 current organization shown on this profile
Board positions
11 supported by public sources, 0 supplied by the profile owner
Committee roles
Not establishedNo committee role is currently confirmed by the cited sources
Qualifications
Not establishedNo qualification is currently confirmed by the cited sources

Professional narrative

About

Alpha has not published a narrative summary because the current public source set is not sufficient.

Current roles

Appointments & responsibilities

Board appointments

Governance

Board appointments, committee responsibilities and disclosed relationships.

Connections

Explore the roles, education and affiliations published in this record.

Celldex Therapeutics, Inc.

Open Celldex Therapeutics, Inc. profile →

Chairman of the Board at Celldex Therapeutics, Inc.

Start not stated → End not stated

current · source reported

Observed: 2026-09-09

Celldex Therapeuti…Celldex Therapeutics, Inc.Harry H. Penner, Jr.

Dashed lines mark past roles. Select a connection to see its dates and sources.

Relationship map

Connected through the public record

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Direct public links only

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Experience

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Published record

Featured coverage

Selected publications and public sources used to establish this profile. Inclusion records provenance; it is not an endorsement.

Source 1 · Sec Def 14aPublic profile sourceSupports Chairman of the Board at Celldex Therapeutics, Inc. (NASDAQ: CLDX), Board membership.Open source

Basis

Identifiers, sources, dates and record limitations.

Identifiers

Alpha ID
alpha:person:harry-h-penner-jr
Record version
public-0

Sources

Sources and published information

Each item links to the public source used to support it. When sources disagree, the item is clearly marked for review.

Board membership · Source reportedServes on the board of Celldex Therapeutics, Inc.1 source
Verification
Source reported
Confidence
95%
Last reviewed
Sep 6, 2026
View all sources1 records
  1. https://www.sec.gov/Archives/edgar/data/744218/000110465926050884/tm261321-3_def14a.htm

    Sec Def 14a · Tier not stated · Reviewed Sep 6, 2026

    Supports: Chairman of the Board at Celldex Therapeutics, Inc. (NASDAQ: CLDX) · Board membership