Investor · Seattle, WA

Robert Williamson Iii

Open Robert in the network graph →

Filings

18

SEC Form D

Connections

42

co-filers

Capital

$108.3M

across filings

Active

Apr 2022

to Aug 2024

Most-connected co-filers (42)

Naveed Siddiqui · PLANO, TX15 shared Sarfraz Ahmad · PLANO, TX15 shared Jill W. Lampert · DALLAS, TX10 shared Shannon E. Doiron · Hawthorne, CA10 shared Rick P. Thompson · Hawthorne, CA10 shared Christopher G. Carter · DALLAS, TX10 shared Malachy T. Coghlan · Hawthorne, CA10 shared Craig S. Glick · DALLAS, TX10 shared Ryan Peters · Traverse City, MI3 shared Linda Chamberlain · Grand Rapids, MI3 shared Johan (Thijs) A. Spoor · Boston, MA3 shared Philip J. Deutch · DALLAS, TX3 shared Alan R. Stewart · San Diego, CA3 shared Andrew Jackson · San Diego, CA3 shared Lori Woods · Seattle, WA3 shared Bruce Hill · San Antonio, TX3 shared Andrew Heuerman · Scottsdale, AZ3 shared Mark Austin · Seattle, WA3 shared Frank Morich · Seattle, WA3 shared Cody Crowell · Palm Beach, FL3 shared Jonathan Hunt · Seattle, WA3 shared Markus Puhlmann · Seattle, WA3 shared Terry Harris · Park City, UT3 shared Rebekah Gee · New Orleans, LA2 shared

Recent filings (18)

SingleFile Technologies Inc.Feb 2025 · 11 co-filers$9.1M NGP-BEST XIII HOLDINGS, LLCAug 2024 · 11 co-filers NGP PPF SMA, L.P.Jun 2024 · 11 co-filers NGP SRA CO-INVEST, L.P.Jun 2024 · 11 co-filers SingleFile Technologies Inc.Mar 2024 · 11 co-filers$16.6M Perspective Therapeutics, Inc.Mar 2024 · 23 co-filers$87.4M Perspective Therapeutics, Inc.Mar 2024 · 23 co-filers$87.4M NGP Natural Resources XIII, L.P.Feb 2024 · 8 co-filers$2.5B NGP Natural Resources XIII Parallel Fund, L.P.Feb 2024 · 8 co-filers$2.5B Perspective Therapeutics, Inc.Jan 2024 · 23 co-filers$20.8M Perspective Therapeutics, Inc.Jan 2024 · 23 co-filers$20.8M NGP ET IV Feeder Fund, L.P.Dec 2023 · 8 co-filers PATIENT CoSep 2023 · 12 co-filers$3.3M Perspective Therapeutics, Inc.Feb 2023 · 17 co-filers$54.6M Perspective Therapeutics, Inc.Feb 2023 · 17 co-filers$54.6M NGP Natural Resources XIII, L.P.Feb 2023 · 8 co-filers$2.5B PATIENT CoJan 2023 · 11 co-filers$500K NGP HIDDEN RIDGE CO-INVEST, L.P.Aug 2022 · 8 co-filers$75.0M PATIENT CoApr 2022 · 10 co-filers$1.0M NGP ROYALTY PARTNERS II, L.P.Apr 2022 · 8 co-filers$600.0M NGP ROYALTY PARTNERS II OREGON CO-INVEST SIDE CAR, L.P.Apr 2022 · 8 co-filers$50.0M

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