Investor · San Diego, CA

Niall O'Donnell

Open Niall in the network graph →

Filings

23

SEC Form D

Connections

152

co-filers

Capital

$291.3M

across filings

Active

Jan 2018

to Sep 2025

Most-connected co-filers (152)

Gary Mueller · NEW YORK, NY7 shared Basil Williams · New York, NY7 shared Art Certosimo · NEW YORK, NY7 shared Jim Toffey · NEW YORK, NY7 shared Jerome J. Baglien · NEW YORK, NY7 shared David Brown · Boulder, CO7 shared Richard Rowe · New York, NY7 shared Andrew Phillips · NEW YORK, NY7 shared Neil Gillis · New York, NY7 shared Tiba Aynechi · San Diego, CA7 shared Kabir J. Barday · Atlanta, GA7 shared Aravt Global LLC · New York, NY7 shared Lee Z. Hillman · Rochester, NY7 shared Alan J. Dabbiere · Atlanta, GA7 shared John Connolly · New York, NY7 shared Walter Mccormack · NEW YORK, NY7 shared Thomas Holley · Brentwood, MO7 shared Ketan W. Patel · Seattle, WA6 shared German Soto Sanchez · NEW YORK, NY4 shared Michael Grey · San Diego, CA4 shared Tony Ingoglia · SACRAMENTO, CA3 shared Kevin Merritt · Chelan, WA3 shared an Arizona limited liability company Camelback Real Estate Equity LLC · Phoenix, AZ3 shared an Arizona limited liability company Honey Badger Capital, LLC · Phoenix, AZ3 shared

Recent filings (23)

Wugen, Inc.Sep 2025 · 23 co-filers$163.0M Wugen, Inc.Sep 2025 · 23 co-filers$163.0M Sparrow Pharmaceuticals, Inc.Jul 2025 · 13 co-filers$121.4M Sparrow Pharmaceuticals, Inc.Jul 2025 · 13 co-filers$121.4M LiquidX, Inc.Apr 2025 · 32 co-filers$2.5M Sparrow Pharmaceuticals, Inc.Apr 2024 · 9 co-filers$15.3M Sparrow Pharmaceuticals, Inc.Apr 2024 · 9 co-filers$15.3M Avalyn Pharma Inc.Oct 2023 · 18 co-filers$189.2M LiquidX, Inc.May 2023 · 34 co-filers$8.0M LiquidX, Inc.Jun 2022 · 38 co-filers$27.3M LiquidX, Inc.Aug 2021 · 22 co-filers$21.0M LiquidX, Inc.May 2021 · 20 co-filers$14.0M LiquidX, Inc.Nov 2020 · 18 co-filers$7.0M SPRUCE BIOSCIENCES, INC.Aug 2020 · 17 co-filers$88.0M SPRUCE BIOSCIENCES, INC.Aug 2020 · 17 co-filers$88.0M Avalyn Pharma Inc.May 2020 · 15 co-filers$35.7M Avalyn Pharma Inc.May 2020 · 15 co-filers$35.7M SPRUCE BIOSCIENCES, INC.Feb 2020 · 14 co-filers$88.0M Backflip Technologies, Inc.Dec 2019 · 5 co-filers$3.2M Curzion Pharmaceuticals, Inc.Jul 2019 · 7 co-filers$3.5M Curzion Pharmaceuticals, Inc.Jul 2019 · 7 co-filers$3.5M LiquidX, Inc.Nov 2018 · 18 co-filers$20.0M Backflip Technologies, Inc.Nov 2018 · 5 co-filers$3.2M Backflip Technologies, Inc.Oct 2018 · 5 co-filers$1.5M SALESFORCE COM INCJan 2018 · 47 co-filers$11.3M

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