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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 / Plexium, Inc.
Plexium, Inc.
Plexium is a next-generation targeted protein degradation (TPD) company that discovers Monovalent Direct Degraders and Molecular Glues.
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
- 3
Financing history
1 rounds
- Jul 14, 2025Form D equity offering · $60.1M (form d sold) · 20 investorsFact SEC EDGAR Form D data sets (quarterly) · “Plexium, Inc. filed Form D: $60,115,703 sold of $60,115,703, Biotechnology”
Investors on record
4 edges
- Amoon Ventures Y.SH. Ltd. portfolio listing Fact amoon.fund
- The Column Group portfolio listing Fact thecolumngroup.com
- CRV, LLC portfolio listing Fact crv.com
- The Column Group portfolio listing Fact thecolumngroup.com
People
2 officers, 7 directors
- Michael Martin Executive Officer/Director sec.gov
- Stephen Mullennix Executive Officer sec.gov
- Serge Messerlian Director Fact
- Cariad Chester Director Fact
- Patrick Rivers Director Fact
- Leon Chen Director Fact
- ROB Hopfner Director Fact
- Michael Grey Director Fact
- Gorjan Hrustanovic Director Fact
Timeline
2
- Sep 16, 2026Plexium, Inc. no longer listed on CRV, LLC's portfolio pageRemoved from portfolio page Inference Venture organization websites (about, team, portfolio, thesis, news pages)
- Aug 25, 2025Plexium, Inc. filed Form D: $60,115,703 sold of $60,115,703, BiotechnologyForm D filed Fact SEC EDGAR Form D data sets (quarterly)
Evidence
21 observations
Every observation on this company
- Description: Plexium is a next-generation targeted protein degradation (TPD) company that discovers Monovalent Direct Degraders and Molecular Glues. Sep 13, 2026 Fact Portfolio company websites (about, investors, press pages)
- Entity type: Corporation Aug 25, 2025 Fact SEC EDGAR Form D data sets (quarterly)
- Form D industry group: Biotechnology Aug 25, 2025 Fact SEC EDGAR Form D data sets (quarterly)
- Amendment: false Aug 25, 2025 Fact SEC EDGAR Form D data sets (quarterly)
- Revenue range (Form D): Decline to Disclose Aug 25, 2025 Fact SEC EDGAR Form D data sets (quarterly)
- Incorporated: overFiveYears Aug 25, 2025 Fact SEC EDGAR Form D data sets (quarterly)
- Jurisdiction: DELAWARE Aug 25, 2025 Fact SEC EDGAR Form D data sets (quarterly)
- Amount sold (Form D): $60.1M Aug 25, 2025 Fact SEC EDGAR Form D data sets (quarterly)
- Offering amount (Form D): $60.1M Aug 25, 2025 Fact SEC EDGAR Form D data sets (quarterly)
- Exemptions: 06b Aug 25, 2025 Fact SEC EDGAR Form D data sets (quarterly)
- First sale: 2025-07-14 Aug 25, 2025 Fact SEC EDGAR Form D data sets (quarterly)
- Investors (Form D): 20 Aug 25, 2025 Fact SEC EDGAR Form D data sets (quarterly)
- Minimum investment (Form D): 0 Aug 25, 2025 Fact SEC EDGAR Form D data sets (quarterly)
- Securities offered: equity Aug 25, 2025 Fact SEC EDGAR Form D data sets (quarterly)
- Office address: 9330 SCRANTON ROAD, SUITE 500, SAN DIEGO, CA, 92121 Aug 25, 2025 Fact SEC EDGAR Form D data sets (quarterly)
- Listed on portfolio page: The Column Group Sep 16, 2026 Fact Venture organization websites (about, team, portfolio, thesis, news pages)
- Listed on portfolio page: Amoon Ventures Y.SH. Ltd. Sep 16, 2026 Fact Venture organization websites (about, team, portfolio, thesis, news pages)
- Listed on portfolio page: CRV, LLC Sep 14, 2026 Fact Venture organization websites (about, team, portfolio, thesis, news pages)
- Listed on portfolio page: The Column Group Sep 12, 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: Plexium, Inc. • Delivering Transformative Precision Medicines Sep 13, 2026 Fact Portfolio company websites (about, investors, press pages)