Investor · MENLO PARK, CA
William Hagstrom
Open William in the network graph →Filings
30
SEC Form D
Connections
165
co-filers
Capital
$103.3M
across filings
Active
Jan 2020
to Mar 2025
Most-connected co-filers (165)
Brook Byers · MENLO PARK, CA13 sharedJack Oliver · SOUTH SAN FRANCISCO, CA8 sharedBill Salisbury · Austin, TX7 sharedLawrence Leisure · CHICAGO, IL6 sharedRalph K. Snyderman · Durham, NC5 sharedSue Siegel · South San Francisco, CA5 sharedPeter C. H. Guo · Nisku, Alberta, Canada5 sharedA. Grant Heidrich Iii · MENLO PARK, CA5 sharedGregory B. Stock · Boise, ID4 sharedKenton C. Leo · Lone Tree, CO4 sharedBobby Marhamat · San Francisco, CA4 sharedDerrin J. Hill · Provo, UT4 sharedDaniel Gwak · Boston, MA4 sharedDana Emberton · Greenville, SC4 sharedClifford Pollard · Oakdale, CA4 sharedJonathan Landsverk · Greenville, SC4 sharedLeo Polovets · San Francisco, CA4 sharedMichael Pellini · San Francisco, CA4 sharedChad Byers · San Francisco, CA4 sharedThomas Hawes · MENLO PARK, CA4 sharedMelinda Thomas · MENLO PARK, CA4 sharedMichael Goldberg · Brisbane, CA4 sharedTuan Ho · Cambridge, MA4 sharedGeorge Scangos · San Francisco, CA4 shared
Recent filings (30)
Octave Bioscience IncMar 2025 · 23 co-filers$53.7MOctave Bioscience IncNov 2023 · 23 co-filers$37.5MOctave Bioscience IncNov 2023 · 23 co-filers$7.0MCOFACTOR GENOMICS, INC.Aug 2023 · 9 co-filers$2.0MCOFACTOR GENOMICS, INC.Aug 2023 · 9 co-filers$2.0MBluestem Biosciences, Inc.Aug 2022 · 1 co-filer$5.0MBluestem Biosciences, Inc.Aug 2022 · 1 co-filer$5.0MPARF-Offshore Ltd.Jan 2022 · 11 co-filersCOFACTOR GENOMICS, INC.Dec 2021 · 14 co-filers$7.1MCOFACTOR GENOMICS, INC.Dec 2021 · 14 co-filers$7.1MStake P.B.C.May 2021 · 5 co-filers$300KPARF-Offshore Ltd.Jan 2021 · 11 co-filersOctave Bioscience IncJan 2021 · 25 co-filers$32.0MPARF-Offshore Ltd.Jan 2020 · 11 co-filersStake P.B.C.Jan 2020 · 7 co-filers$400KOctave Bioscience IncSep 2017 · 4 co-filers$2.5MCatholic Endowment Fund, LPJul 2016 · 8 co-filersCareDx, Inc.Jun 2016 · 33 co-filers$36.8MCareDx, Inc.Apr 2016 · 35 co-filers$36.8MBiolytx Pharmaceuticals CorpOct 2015 · 5 co-filers$1.4MBiolytx Pharmaceuticals CorpOct 2015 · 5 co-filers$1.4MCatholic Endowment Fund, LPJul 2015 · 8 co-filersShorecrest Select Preferred, LLCJul 2015 · 10 co-filers$12.4MShorecrest Preferred Holdings, LLCJul 2015 · 10 co-filers$5.6MCrescendo Bioscience, Inc.Jan 2013 · 17 co-filers$28.5M
Derived from public SEC Form D (Reg D) filings; entities resolved probabilistically. See William in the interactive graph →