Investor · Germantown, MD

Douglas S. Prince

Open Douglas in the network graph →

Filings

5

SEC Form D

Connections

37

co-filers

Capital

$36.3M

across filings

Active

Nov 2024

to May 2025

Most-connected co-filers (37)

Stephen P. Defalco · Germantown, MD5 shared Timothy T. Goodnow · Germantown, MD4 shared Edward J. Fiorentino · Germantown, MD4 shared Mukul T. Jain · Germantown, MD4 shared Douglas A. Roeder · SANTA ROSA, CA3 shared Francine R. Kaufman · Germantown, MD3 shared Steven A. Edelman · Germantown, MD3 shared Peter J. Klein · Germantown, MD2 shared Rick R. Sullivan · Germantown, MD2 shared Koichiro A. Sato · Germantown, MD2 shared Kenneth L. Horton · Germantown, MD2 shared Sharon S. Larkin · Germantown, MD2 shared Brian A. Hansen · Germantown, MD2 shared William G. Westervelt · Boston, MA1 shared Dennis G. Lockyer · Boston, MA1 shared James, Jr. W. Hackett · Boston, MA1 shared Theodore Walker · Boston, MA1 shared Frances P. Philip · Boston, MA1 shared Cameron K. Mackey · Boston, MA1 shared Robert D. Lindsay · Boston, MA1 shared Lars-Ake Helgesson · Boston, MA1 shared Ronald E. Eilers · Boston, MA1 shared Timothy T. Crane · Boston, MA1 shared Douglas A. Fiorentino · Germantown, MD1 shared

Recent filings (5)

Senseonics Holdings, Inc.May 2025 · 12 co-filers$20.3M Senseonics Holdings, Inc.Nov 2024 · 14 co-filers$16.0M Senseonics Holdings, Inc.Sep 2020 · 19 co-filers$30.0M Senseonics Holdings, Inc.Sep 2020 · 19 co-filers$30.0M Senseonics Holdings, Inc.Dec 2015 · 14 co-filers CRANE & CO INCSep 2013 · 22 co-filers$35.0M CRANE & CO INCSep 2013 · 22 co-filers$35.0M

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