Investor · Austin, TX

Walter D. Narajowski

Open Walter in the network graph →

Filings

30

SEC Form D

Connections

104

co-filers

Capital

$34.2M

across filings

Active

Oct 2022

to Dec 2025

Most-connected co-filers (104)

Matthew D. Malone · New York, NY13 shared Mark Shadwick · Dublin 2, Ireland11 shared Sterling Chapman · Baton Rogue, LA11 shared Stephen M. Henkenmeier · MENLO PARK, CA10 shared Chris Varin · Burlington, VT10 shared Richard Crockett · Austin, TX10 shared Weston Nichols · San Juan, Puerto Rico10 shared John T. Treadwell · MENLO PARK, CA10 shared Dennis S. Walters · Richland, WA10 shared Lori S. White · Colchester, VT10 shared William Chisholm · MENLO PARK, CA10 shared Marc T. Bala · MENLO PARK, CA10 shared Sanjay Chandra · Austin, TX8 shared Richard Ruggiero · Rockville, MD7 shared William Cunningham · Austin, TX6 shared Alan Blake · Austin, TX6 shared Abbot Apter · Duluth, MN6 shared Douglas M. Haines, Jr · MENLO PARK, CA6 shared H. D. Shockley · Austin, TX5 shared Landon Plagge · Latimer, IA5 shared Amy D. White · Hartford, CT5 shared Brian C. Adams · Nashville, TN5 shared Thomas J. O'Shea · HARTFORD, CT5 shared Matthew G. Johnson · Hartford, CT5 shared

Recent filings (30)

STG Allegro II Executive Fund, L.P.Feb 2026 · 4 co-filers STG Allegro II-A, L.P.Dec 2025 · 14 co-filers STG Allegro II, L.P.Dec 2025 · 14 co-filers Nuclein, LLCDec 2025 · 23 co-filers$20.0M Nuclein, LLCDec 2025 · 23 co-filers$20.0M Whiteout Peak, L.P.Dec 2025 · 14 co-filers Nitrogen Aggregator, L.P.Nov 2025 · 14 co-filers Nuclein, LLCOct 2025 · 23 co-filers$15.0M Nuclein, LLCOct 2025 · 23 co-filers$15.0M Durare Aggregator, L.P.Aug 2025 · 14 co-filers Nuclein, LLCJun 2025 · 23 co-filers$10.0M Nuclein, LLCJun 2025 · 23 co-filers$10.0M Campbell Equity Alpha Onshore Fund, LPApr 2025 · 13 co-filers Nuclein, LLCFeb 2025 · 23 co-filers$15.0M Nuclein, LLCFeb 2025 · 23 co-filers$15.0M Campbell Equity Alpha Onshore Fund, LPAug 2024 · 13 co-filers Nuclein, LLCAug 2024 · 20 co-filers$15.0M Nuclein, LLCAug 2024 · 20 co-filers$15.0M Nuclein, LLCNov 2023 · 19 co-filers$10.0M Nuclein, LLCNov 2023 · 19 co-filers$10.0M Excelsior North Park LLCAug 2023 · 2 co-filers$2.7M Excelsior North Park CIV LLCAug 2023 · 2 co-filers$700K Excelsior Lost Mountain CIV LLCMar 2023 · 2 co-filers$2.6M Minute Molecular Diagnostics, Inc.Mar 2023 · 11 co-filers$4.2M Excelsior Southrail CIV LLCFeb 2023 · 2 co-filers$4.6M

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