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Venture Capital Intelligence
Firms, funds, partners, companies and rounds from sworn filings, firm sites and announcements, kept as a graph with a date and a source on every edge. Facts, inferences and estimates are labelled as such. A fund target is never a close, GAV is never dry powder, and a round size is never an investor’s check.
Companies / Contraline, Inc.
Contraline, Inc.
Biotechnology company pioneering reversible male contraception. Our products, NES/T and ADAM, are daily and long-lasting options in clinical testing today.
Facts
- Year of incorporation
- unknown
- Revenue range (Form D)
- Decline to Disclosesec.gov
- Rounds on record
- 1
- Disclosed raised
- unknownsum of rounds with a disclosed amount only
- Named investors
- 7
Financing history
1 rounds
- May 29, 2026Form D equity offering · $55.8M (form d sold) · 77 investorsFact SEC EDGAR Form D data sets (quarterly) · “Contraline, Inc. filed Form D: $55,804,741 sold of $115,929,658, Biotechnology”
Investors on record
8 edges
- RA Capital Management, LP portfolio listing Fact racap.com
- Amboy Street Ventures, LLC portfolio listing Fact amboystreet.vc
- BVF Partners portfolio listing, lead Fact contraline.com
- BVF Partners L portfolio listing, lead Fact contraline.com
- Google Ventures portfolio listing Fact contraline.com
- Graphene Ventures LLC portfolio listing Fact contraline.com
- MBX Capital portfolio listing Fact contraline.com
- RA Capital Management, LP portfolio listing Fact contraline.com
People
1 officers, 3 directors
- Kevin S Eisenfrats Executive Officer/Director/Promoter sec.gov
- Iris J van Alderwerelt van Rosenburgh Director Fact
- Gurdane J Bhutani Director Fact
- Martin J Emerson Director Fact
Timeline
2
- Sep 16, 2026Contraline, Inc. no longer listed on Amboy Street Ventures, LLC's portfolio pageRemoved from portfolio page Inference Venture organization websites (about, team, portfolio, thesis, news pages)
- Jun 10, 2026Contraline, Inc. filed Form D: $55,804,741 sold of $115,929,658, BiotechnologyForm D filed Fact SEC EDGAR Form D data sets (quarterly)
Evidence
21 observations
Every observation on this company
- Description: Biotechnology company pioneering reversible male contraception. Our products, NES/T and ADAM, are daily and long-lasting options in clinical testing today. Sep 13, 2026 Fact Portfolio company websites (about, investors, press pages)
- Entity type: Corporation Jun 10, 2026 Fact SEC EDGAR Form D data sets (quarterly)
- Form D industry group: Biotechnology Jun 10, 2026 Fact SEC EDGAR Form D data sets (quarterly)
- Amendment: false Jun 10, 2026 Fact SEC EDGAR Form D data sets (quarterly)
- Revenue range (Form D): Decline to Disclose Jun 10, 2026 Fact SEC EDGAR Form D data sets (quarterly)
- Incorporated: overFiveYears Jun 10, 2026 Fact SEC EDGAR Form D data sets (quarterly)
- Investors named on site: 8 Sep 13, 2026 Fact Portfolio company websites (about, investors, press pages)
- Jurisdiction: DELAWARE Jun 10, 2026 Fact SEC EDGAR Form D data sets (quarterly)
- Amount sold (Form D): $55.8M Jun 10, 2026 Fact SEC EDGAR Form D data sets (quarterly)
- Offering amount (Form D): $116M Jun 10, 2026 Fact SEC EDGAR Form D data sets (quarterly)
- Exemptions: 06b Jun 10, 2026 Fact SEC EDGAR Form D data sets (quarterly)
- First sale: 2026-05-29 Jun 10, 2026 Fact SEC EDGAR Form D data sets (quarterly)
- Investors (Form D): 77 Jun 10, 2026 Fact SEC EDGAR Form D data sets (quarterly)
- Minimum investment (Form D): 0 Jun 10, 2026 Fact SEC EDGAR Form D data sets (quarterly)
- Securities offered: equity Jun 10, 2026 Fact SEC EDGAR Form D data sets (quarterly)
- Office address: 818 E. Jefferson St Suite 201, CHARLOTTESVILLE, VA, 22902 Jun 10, 2026 Fact SEC EDGAR Form D data sets (quarterly)
- Listed on portfolio page: RA Capital Management, LP Sep 16, 2026 Fact Venture organization websites (about, team, portfolio, thesis, news pages)
- Listed on portfolio page: RA Capital Management, LP Sep 15, 2026 Fact Venture organization websites (about, team, portfolio, thesis, news pages)
- Listed on portfolio page: Amboy Street Ventures, LLC Sep 13, 2026 Fact Venture organization websites (about, team, portfolio, thesis, news pages)
- Website status: ok Sep 13, 2026 Fact Portfolio company websites (about, investors, press pages)
- Site title: Contraline Sep 13, 2026 Fact Portfolio company websites (about, investors, press pages)