Investor · Cambridge, MA

Briggs Morrison

Open Briggs in the network graph →

Filings

25

SEC Form D

Connections

180

co-filers

Capital

$210.9M

across filings

Active

Nov 2016

to Sep 2025

Most-connected co-filers (180)

Luke Evnin · Boston, MA14 shared Alon Lazarus · Cambridge, MA12 shared Marc Recht · Cambridge, MA7 shared Brigham Buhler · Houston, TX6 shared Mitchell C. Finer · Auburndale, MA5 shared Joshua Schroeter · Seattle, WA4 shared Federico F. Taylor · Dallas, TX4 shared David Cochran · Carmel, IN4 shared Ben Tai · South Pasadena, CA4 shared Hanif Dhanani · New York, NY4 shared Cameron Wheeler · Seattle, WA4 shared Randle Eastwood · Kenmore, WA4 shared James Day · Seattle, WA4 shared Dan F. Wierck · Houston, TX4 shared William M. Godfrey · Carmel, IN4 shared Robert Feuer · Great Neck, NY4 shared Roy Tanaka · LOS ANGELES, CA3 shared Sakae C. Asanuma · WALTHAM, MA3 shared Jeffrey O'Donnell · Los Angeles, CA3 shared Dale R. Whipple · Nashua, NH3 shared Thomas Chalberg · Cambridge, MA3 shared Steve Chaussy · LOS ANGELES, CA3 shared Armiger Management, LLC · Nokomis, FL3 shared David Weild · Minneapolis, MN3 shared

Recent filings (25)

Crossbow Therapeutics, Inc.Sep 2025 · 17 co-filers$80.0M Crossbow Therapeutics, Inc.Sep 2025 · 17 co-filers$80.0M CHARM Therapeutics Inc.Sep 2025 · 13 co-filers$80.1M CHARM Therapeutics Inc.Sep 2025 · 13 co-filers$80.1M Reunion Neuroscience Management, Inc.May 2024 · 27 co-filers$89.8M Reunion Neuroscience Management, Inc.May 2024 · 27 co-filers$89.8M Reunion Neuroscience Management, Inc.Jan 2024 · 17 co-filers$66.8M Reunion Neuroscience Management, Inc.Jan 2024 · 17 co-filers$66.8M Crossbow Therapeutics, Inc.Apr 2023 · 10 co-filers$80.0M MoveIn Inc.Aug 2021 · 10 co-filers$21.5M Werewolf Therapeutics, Inc.Jan 2021 · 21 co-filers$72.1M CARISMA Therapeutics Inc.Jan 2021 · 17 co-filers$70.4M CARISMA Therapeutics Inc.Jan 2021 · 17 co-filers$70.4M MaC Venture Capital 2019, LPAug 2020 · 11 co-filers$100.0M Werewolf Therapeutics, Inc.Aug 2020 · 20 co-filers$56.2M Oncorus, Inc.Dec 2019 · 28 co-filers$89.6M MaC Venture Capital 2019, LPMay 2019 · 11 co-filers$100.0M MoveIn Inc.May 2019 · 14 co-filers$3.6M Oncorus, Inc.Sep 2018 · 12 co-filers$61.4M Oncorus, Inc.Sep 2018 · 12 co-filers$61.4M Twentyeight-Seven, Inc.Sep 2018 · 9 co-filers$65.2M Twentyeight-Seven, Inc.Sep 2018 · 9 co-filers$65.2M BioSig Technologies, Inc.Jul 2017 · 16 co-filers$7.0M Rift Biotherapeutics, Inc.Apr 2017 · 9 co-filers$3.6M Rift Biotherapeutics, Inc.Apr 2017 · 9 co-filers$3.6M

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