Ledger.
Investor · Cambridge, MA

Peter D. Parker

Open Peter in the network graph →
Filings
5
SEC Form D
Connections
19
co-filers
Capital
$277.5M
across filings
Active
Oct 2009
to Nov 2025

Most-connected co-filers (19)

James M. Karis · Bothell, WA2 sharedJ. M. French · Bothell, WA2 sharedGregory Sessler · Redmond, WA2 sharedMission BioCapital VI GP LLC · Cambridge, MA2 sharedMichael D. Taylor · Bothell, WA2 sharedHerbert H. Hooper · Wellesley, MA1 sharedJeff Zens · FLORENCE, AL1 sharedBarry A. Polisky · Cambridge, MA1 sharedLauren Silverman · CAMBRIDGE, MA1 sharedJoseph Gavin · Edinburgh, United Kingdom1 sharedRichard T. Ho · Bothell, WA1 sharedChiang J. Li · Bothell, WA1 sharedPeter S. Garcia · Bothell, WA1 sharedMichael A. Taylor · Westlake Village, CA1 sharedChiang Li · Cambridge, MA1 sharedPhilip C. Ranker · Bothell, WA1 sharedEric Linsley · MORRISVILLE, NC1 sharedR. J. Fletcher · Irvine, CA1 sharedThomas Hancock · Waltham, MA1 shared

Recent filings (5)

Mission BioCapital VI LPNov 2025 · 3 co-filersMission BioCapital VI LPNov 2025 · 3 co-filersMission BioCapital VI LPSep 2025 · 4 co-filersMission BioCapital VI LPSep 2025 · 4 co-filersMarina Biotech, Inc.Jan 2012 · 9 co-filers$5.2MMarina Biotech, Inc.Jan 2012 · 9 co-filers$5.2MMarina Biotech, Inc.Aug 2010 · 11 co-filers$44.0MMarina Biotech, Inc.Aug 2010 · 11 co-filers$44.0MCequent Pharmaceuticals IncOct 2009 · 10 co-filers$10.8MCequent Pharmaceuticals IncOct 2009 · 10 co-filers$10.8M

Derived from public SEC Form D (Reg D) filings; entities resolved probabilistically. See Peter in the interactive graph →