Companies / Collegium Pharmaceutical

Collegium Pharmaceutical

Stoughton, United States

Collegium Pharmaceutical is a dynamic biopharmaceutical company delivering medicines with formulation and delivery innovation for people living with complex central nervous system (CNS) and pain conditions.

Healthcare & Biotech

Collegium Pharmaceutical, based in Stoughton, United States, has 5 investors on file, among them Aperture Venture Partners, Boston Millennia Partners and Frazier Life Sciences. Its site was last checked 13 Nov 2026: site answers.

collegiumpharma.com

SEC Form D filings

5 filings

$20.0M sold13 Nov 2018 $50.0M sold13 Mar 2015 $4.0M sold of $12.0M offered2 Oct 2013 $22.5M sold24 Feb 2012 $1.0M sold of $2.5M offered8 Mar 2010

Filed by COLLEGIUM PHARMACEUTICAL, INC with the SEC. A Form D reports a private offering; it is not a priced round.

Investors

5 investors on file

Investor	Evidence	Type
Aperture Venture Partners	Portfolio page	Venture capital
Boston Millennia Partners	Portfolio page	Venture capital
Frazier Life Sciences	Portfolio page	Venture capital
Longitude Capital	Portfolio page	Venture capital
RA Capital	Portfolio page	Venture capital

A company is shown only after its own site answers and carries its name. Sites are checked again on a schedule, because domains lapse and get bought. Round stages and dates come from Fundup AI; investor links come from portfolio pages and rounds; other facts name their source when you point at them. How we grade the data

At a glance

Investors on file: 5
Founded: 2002
Headquarters: Stoughton, United States
Hiring: Careers page
Site: Answers
Last checked: 13 Nov 2026

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89 Bio, Inc. (Alumni)2 shared

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