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Langan Engineering, Environmental, Surveying, Landscape Architecture & Geology, D.P.C.

Engineering and environmental consulting for developers, property owners, public agencies and energy companies.

Updated Nov 10, 2026·Latest SEC filing Apr 21, 2026·Suggest an edit

About Langan

Langan is a private company based in Parsippany, New Jersey. It has reported $20,064,259 raised in three offerings on Form D since November 2024. Its chief executive is Ryan Linthicum.

Funding Rounds (SEC Form D)

First saleFiled with SECAmount soldInvestorsAvg. checkTermsFiling
Apr 15, 2026Apr 21, 2026$4,850,125fully sold38$127KEquityRule 506(b)Form D ↗
Apr 15, 2025Apr 16, 2025$4,485,780fully sold39$115KEquityRule 506(b)Form D ↗
Jan 16, 2024Nov 5, 2024$10,728,354fully sold42$255KEquityRule 506(b)Form D ↗
Total, three offerings$20,064,259

First sale is the date the first investor in the offering committed to invest. Companies must file Form D within 15 days of that date, so filing dates run later.

Leadership Team

Executive officers and directors listed on Langan's Form D filed Apr 21, 2026.

CH
Chris Hager
Executive officer
AP
Alan Poeppel
Managing Principal and director
RJ
Robert Johnston
Executive Officer and Director
LS
Lori Simpson
Managing Principal and director
GE
Gregory Elko
Executive Officer and Director
WB
Walter Bogardus
Executive officer
DG
GL
MG
RF
RB
Richard Burrow
Managing Principal and director
RF
Ronald Fuerst
Executive officer
RL
Ryan Linthicum
Next CEO and director
MB
Michael Burke
Executive officer
DH
Donald Hodson
Executive officer

Earlier filings also listed William Kraekel (director, last listed Nov 2024), Philip Tringale (executive officer, last listed Nov 2024), Michael Semeraro (executive officer, last listed Nov 2024), John Plante (director, last listed Nov 2024), Jared Hand (executive officer, last listed Nov 2024), Gerard Coscia (director, last listed Nov 2024) and Eric Vervoordt (executive officer, last listed Nov 2024).

Sources

  1. SECLangan Engineering, Environmental, Surveying, Landscape Architecture & Geology, D.P.C. filing history
  2. CompanyLangan headquarters and contact information
  3. CompanyWho We Are
  4. CompanyLangan news and insights