/Companies

Immuneering

NASDAQ: IMRX

Cambridge, US · Founded 2008 · Delaware corporation · 63 employees on LinkedIn · 3 known investors

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Immuneering develops Deep Cyclic Inhibitors, a class of oncology medicines designed to pulse dosing faster than cancer's adaptive mechanisms to limit resistance and reduce side effects. The company targets more durable tumor control and improved tolerability for cancer patients.

Founders & leadership

Immuneering was founded in 2008 by Benjamin J. Zeskind.

BJBenjamin J. Zeskind
Benjamin J. ZeskindFounder
HEHarold E. Brakewood
Harold E. BrakewoodChief Business OfficerHarold E. Brakewood is Chief Business Officer at Immuneering, which develops oncology medicines designed to improve tumor control and tolerability in cancer patients. His background includes C-suite leadership roles focused on business development and commercialization across oncology, rare diseases, and other therapeutic areas.
BHBrett Hall
Brett HallCSOBrett Hall serves as Chief Scientific Officer of Immuneering, which develops Deep Cyclic Inhibitors for oncology treatment. He brings drug discovery and development experience across immunology and oncology, including preclinical and clinical pharmacology and biomarker development.
MD
Michael D. BookmanChief Legal Officer & SecretaryChief Legal Officer and Secretary at Immuneering, which develops oncology medicines. Experienced in business and startup advisory.
IM
Igor MatushanskyChief Medical Officer
MMMallory Morales
Mallory MoralesSVP Finance and Chief Accounting OfficerMallory Morales is a CPA and senior finance executive with 20 years of experience in high-growth organizations, including roles ranging from startups to multi-billion-dollar enterprises. Her expertise spans corporate finance, capital markets, governance and compliance, and process transformation, with experience in financial reporting, treasury management, IPOs, M&A, and SEC compliance.
LRLeah R. Neufeld
Leah R. NeufeldChief People OfficerLeah R. Neufeld is Chief People Officer at Immuneering, an oncology biotech company. She brings human resources experience across large pharmaceutical and biotech organizations, with background spanning oncology, neurology, cardiology, gene therapy, and manufacturing operations.
JK
Joseph KekstNamed on SEC filing

Board

PF
Peter FeinbergBoard director
LB
Laurie B. KeatingBoard director
RC
Robert CarpenterBoard director
TJ
Thomas J. SchallBoard director

Investors · 3

Also in the syndicate · 1

Boxcar PMJ LLClead

Reported raises · per SEC filings

Form D private placements

$82.2M disclosed across 3 rounds · 2020–2025

▶$25MraisedSep 2025 · 9 investors · Biotechnology
Rule 506(b)
Officers, directors & promoters on the filing
  • Benjamin J. ZeskindExecutive Officer, Director
  • Laurie B. KeatingDirector
  • Robert CarpenterDirector
  • Thomas J. SchallDirector
  • Diana F. HausmanDirector
  • Peter FeinbergDirector
Offering amount
$25M
Amount sold
$25M
First sale
Aug 2025
Incorporated
Corporation, Delaware
Federal exemptions
06b
Full filing on SEC EDGAR ↗
▶$37.2MraisedJan 2021 · 39 investors · Other
Rule 506(b)
Officers, directors & promoters on the filing
  • Benjamin J. ZeskindExecutive Officer, Director
  • Robert CarpenterDirector
  • Joseph KekstDirector
  • Andrew PhillipsDirector
Offering amount
$62M
Amount sold
$37.2M
First sale
Dec 2020
Incorporated
Corporation, Delaware
Federal exemptions
06b
Full filing on SEC EDGAR ↗
▶$20MraisedJan 2020 · 67 investors · Pharmaceuticals
Rule 506(b)
Officers, directors & promoters on the filing
  • Robert CarpenterDirector
  • Benjamin J. ZeskindExecutive Officer, Director
  • Joseph KekstDirector
Offering amount
$20M
Amount sold
$20M
First sale
Jan 2020
Incorporated
Corporation, Delaware
Federal exemptions
06b
Full filing on SEC EDGAR ↗

Source: SEC EDGAR Form D. Amounts as filed; amended filings shown once at their latest values.

Competitors · 1

by search overlap

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Frequently asked questions

What does Immuneering do?
Immuneering develops Deep Cyclic Inhibitors, a class of oncology medicines designed to pulse dosing faster than cancer's adaptive mechanisms to limit resistance and reduce side effects. The company targets more durable tumor control and improved tolerability for cancer patients.
Who founded Immuneering?
Immuneering was founded by Benjamin J. Zeskind in 2008.
Who are Immuneering's investors?
Immuneering's investors include Rock Springs Capital, T. Rowe Price.
How much funding has Immuneering raised?
Immuneering has disclosed $82.2M raised across 3 rounds.
Where is Immuneering headquartered?
Immuneering is headquartered in Cambridge, US.