Investor · Washington, Washington, D.C.

Pieter R. Fossel

Open Pieter in the network graph →

Filings

11

SEC Form D

Connections

54

co-filers

Capital

$24.7M

across filings

Active

Jan 2020

to Aug 2025

Most-connected co-filers (54)

Lori R. Garver · Washington, Washington, D.C.6 shared James Pelligrini · San Francisco, CA5 shared Scott A. Soenen · Washington, Washington, D.C.5 shared Paul Sparks · GREENVILLE, SC5 shared Chris Brandt · GREENWOOD VILLAGE, CO5 shared Kirk A. Simrin · EUGENE, OR5 shared Dan Kerker · GREENWOOD VILLAGE, CO5 shared Philip Boyer · San Mateo, CA5 shared Andrew R. Dearing · St Louis, MO5 shared Ryan L. Johnson · Washington, Washington, D.C.5 shared Reagan Pratt · Boca Raton, FL5 shared Kevin Simrin · EUGENE, OR5 shared Alan R. Dalby · Washington, Washington, D.C.5 shared Sherman C. Williams · Austin, TX4 shared Eric Hayden · MERIDIAN, ID4 shared Yun J. Kim · Washington, Washington, D.C.4 shared Yao Wanyi · Hong Kong, Hong Kong4 shared J.P. Michael · Menlo Park, CA4 shared Darin Phillips · Montgomery, AL4 shared Craig Kaiser · Denver, CO4 shared Yoann Hispa · Denver, CO4 shared Craig Caukin · Menlo Park, CA4 shared Charles Ju · San Francisco, CA4 shared Vladimir Jelisavcic · New York, NY4 shared

Recent filings (11)

Hydrosat Inc.Aug 2025 · 18 co-filers$50.0M LANDGATE CORP.Apr 2023 · 13 co-filers$5.5M Hydrosat Inc.May 2022 · 19 co-filers$15.0M Hydrosat Inc.Nov 2021 · 17 co-filers$5.0M WellSense, Inc.Aug 2021 · 16 co-filers$5.0M Hydrosat Inc.Jun 2021 · 20 co-filers$5.0M Hydrosat Inc.Apr 2021 · 17 co-filers$4.5M LANDGATE CORP.Jan 2021 · 13 co-filers$2.5M PETROVALUES INC.Jan 2020 · 14 co-filers$3 PETROVALUES INC.Jan 2020 · 14 co-filers$2.0M WellSense, Inc.Jan 2020 · 16 co-filers$1.0M

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