Investor · Seattle, WA

Mark Sestak

Open Mark in the network graph →

Filings

7

SEC Form D

Connections

40

co-filers

Capital

$11.6M

across filings

Active

Jul 2021

to Jan 2025

Most-connected co-filers (40)

Julie Gottman · Seattle, WA3 shared Rafael Lisitsa · Seattle, WA3 shared Vladimir Brayman · Seattle, WA3 shared John Gottman · Seattle, WA3 shared Lisa Horowitz · Seattle, WA3 shared Svetlana Lisitsa · Seattle, WA3 shared Graeme O'Neill · Burnaby, British Columbia, Canada2 shared Saima Hasan · Saratoga, CA2 shared Lyndi Rose · St George, UT2 shared Matthew Johnson · St. Louis, MO2 shared Eduardo F. Ribadeneira · Cambridge, MA2 shared Thomas Lendvay · Seattle, WA2 shared Benjamin Pass · New York, NY2 shared Carrie Young · Dallas, TX2 shared Michael Guthrie · Dallas, TX2 shared Samantha Guthrie · Dallas, TX2 shared Sandhya Seshadri · Dallas, TX2 shared Cuadrilla Capital GP I, LLC · Los Olivos, CA2 shared Vikram Abraham · Los Olivos, CA2 shared Mark Newman, Md · Birmingham, AL2 shared Roberts Edwards · Birmingham, AL2 shared Deanna Chavis · PLEASANTON, CA2 shared Simao Cruz · San Gwann, O12 shared Richard A. Freed, Iii · Denver, CO2 shared

Recent filings (7)

Affective Software, Inc.Feb 2026 · 6 co-filers$8.5M Affective Software, Inc.Jan 2025 · 20 co-filers$8.5M Affective Software, Inc.Oct 2022 · 20 co-filers$8.5M Cuadrilla Capital Fund I, L.P.Jul 2022 · 8 co-filers 601 BELLAIRE DR LLCJul 2021 · 11 co-filers$7.9M Cuadrilla Capital Fund I, L.P.Jul 2021 · 10 co-filers 601 BELLAIRE DR LLCJul 2021 · 11 co-filers$7.9M

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