Investor · Cambridge, MA

Peter Sparber

Open Peter in the network graph →

Filings

1

SEC Form D

Connections

9

co-filers

Capital

$1.3M

across filings

Active

Jun 2023

to Jun 2023

Most-connected co-filers (9)

Douglas M. Pepper · Seattle, WA1 shared David M. Wortendyke · Seattle, WA1 shared Murray J. Dalziel · Cambridge, MA1 shared Robert J. Schiller · Cambridge, MA1 shared Michael J. Milburn · Cambridge, MA1 shared William Owens · Bellevue, WA1 shared Lynn Martin · Bellevue, WA1 shared Glen Christofferson · Bellevue, WA1 shared Chris Larson · ST. PAUL, MN1 shared

Recent filings (1)

Impairment Science, Inc.Jun 2023 · 10 co-filers$1.5M Impairment Science, Inc.Jun 2023 · 10 co-filers$1.5M

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