Investor · San Diego, CA

Michael Grey

Open Michael in the network graph →

Filings

60

SEC Form D

Connections

360

co-filers

Capital

$319.0M

across filings

Active

Aug 2009

to Aug 2025

Most-connected co-filers (360)

Edward Mathers · Cambridge, MA14 shared Aron Chazen · Menlo Park, CA12 shared James Pekarsky · MENLO PARK, CA12 shared Warren Te Brugge · BOULDER, CO12 shared Graciela Ybarra · San Antonio, TX12 shared Joshua Onysko · BOULDER, CO12 shared Paul Iacovacci · New York, NY12 shared Bali Muralidhar · SAN FRANCISCO, CA9 shared Katherine Uniacke · Dublin 2, Ireland9 shared Frank R. Ennis · Dublin 2, Ireland9 shared Theodore T. Sotir · NEW YORK, NY9 shared Eugene Regan · Dublin 2, Ireland9 shared Mark T. Heaney · Dublin 2, Ireland9 shared Niall O'Donnell, Ph.D · San Diego, CA6 shared Kin Chan · Menlo Park, CA6 shared Edgar D. Jannotta, Jr · Lowell, MA5 shared Tiba Aynechi · San Diego, CA5 shared Niall Odonnell · SAN DIEGO, CA5 shared Lon Cardon, Ph.D · San Diego, CA4 shared Johan Kordel, Ph.D · San Diego, CA4 shared (Manager) SkyView Investment Advisors, LLC · Shrewsbury, NJ4 shared Simpson Camilla · South San Francisco, CA4 shared Ford L. Worthy · Durham, NC4 shared Daniel W. Cummings · New York, NY4 shared

Recent filings (60)

SPRUCE BIOSCIENCES, INC.Oct 2025 · 25 co-filers$50.0M Plexium, Inc.Aug 2025 · 17 co-filers$60.1M Plexium, Inc.Aug 2025 · 17 co-filers$60.1M OnKure Therapeutics, Inc.Oct 2024 · 10 co-filers$65.0M SPRUCE BIOSCIENCES, INC.Feb 2023 · 27 co-filers$53.6M HAYSTACK ON BROADWAY Ltd LIABILITY CoDec 2022 · 10 co-filers$16.0M Sorriso Pharmaceuticals, Inc.Jan 2022 · 11 co-filers$31.4M Sorriso Pharmaceuticals, Inc.Jan 2022 · 11 co-filers$31.4M HAYSTACK ON BROADWAY Ltd LIABILITY CoDec 2021 · 10 co-filers$16.0M Tassat Group Inc.Dec 2021 · 23 co-filers$40.2M Tassat Group Inc.Nov 2021 · 23 co-filers Mirum Pharmaceuticals, Inc.Dec 2020 · 31 co-filers$10.0M Mirum Pharmaceuticals, Inc.Dec 2020 · 31 co-filers$10.0M Reneo Pharmaceuticals, Inc.Dec 2020 · 30 co-filers$94.8M SPRUCE BIOSCIENCES, INC.Aug 2020 · 17 co-filers$88.0M SPRUCE BIOSCIENCES, INC.Aug 2020 · 17 co-filers$88.0M SPRUCE BIOSCIENCES, INC.Feb 2020 · 14 co-filers$88.0M SPRUCE BIOSCIENCES, INC.Feb 2020 · 14 co-filers$88.0M Amplyx Pharmaceuticals, Inc.Jan 2020 · 26 co-filers$102.7M Curzion Pharmaceuticals, Inc.Jul 2019 · 7 co-filers$3.5M Reneo Pharmaceuticals, Inc.May 2019 · 22 co-filers$25.0M Mirum Pharmaceuticals, Inc.Nov 2018 · 13 co-filers$120.1M Mirum Pharmaceuticals, Inc.Nov 2018 · 13 co-filers$120.1M BIRNER DENTAL MANAGEMENT SERVICES INCAug 2018 · 14 co-filers$468K BIRNER DENTAL MANAGEMENT SERVICES INCJan 2018 · 22 co-filers$5.0M

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