Investor · Boston, MA
Robert Biederman
Open Robert in the network graph →Filings
33
SEC Form D
Connections
70
co-filers
Capital
$186.8M
across filings
Active
Jan 2020
to Jan 2025
Most-connected co-filers (70)
Watchtower Gp, Llc · San Francisco, CA12 sharedAlexander C. Roetter · Boulder, CO12 sharedWatchtower Gp, Llc · San Francisco, CA12 sharedJohn Milani · San Francisco, CA12 sharedNoel Thomas · Stuart, FL12 sharedWatchtower Gp, Llc · San Francisco, CA12 sharedKatie J. Stanton · Boulder, CO12 sharedJun Lei · GRAND CAYMAN, Cayman Islands12 sharedShahid Khan · San Francisco, CA12 sharedJean-Francois Tormo · New York, NY12 sharedMark Heising · San Francisco, CA12 sharedWatchtower Management Group, Llc · San Francisco, CA10 sharedWatchtower Management Group, Llc · San Francisco, CA10 sharedWatchtower Management Group, Llc · San Francisco, CA10 sharedMichael Rossi · Palo Alto, CA9 sharedAnthony Lamantia · Weehawken, NJ9 sharedJohn Hanna · Cherry Hill, NJ9 sharedDonald R. Mullen, Jr · New York, NY8 sharedMary Kate Wold · Palo Alto, CA6 sharedNorman Sharpless · Palo Alto, CA4 sharedVladimir Dubinin · New York, NY4 sharedLisa Volekaert · New York, NY4 sharedAmy Wolf · BALTIMORE, MD3 sharedJeri Finard · BALTIMORE, MD3 shared
Recent filings (33)
Swizzl AI, Inc.Aug 2025 · 2 co-filers$1.0MAsymmetric Capital Partners II, LPApr 2025 · 4 co-filers$125.0MAsymmetric Capital Partners II, LPApr 2025 · 4 co-filers$125.0MNemo Digital Holdings Corp.Feb 2025 · 5 co-filersSentinel HS Partners, LPJan 2025 · 14 co-filersSentinel HS Foundation Fund, LPJan 2025 · 14 co-filersNemo Digital Holdings Corp.Sep 2024 · 5 co-filers$1.9MSwizzl AI, Inc.Apr 2024 · 2 co-filers$750KNemo Digital Holdings Corp.Apr 2024 · 4 co-filers$7.5MAsymmetric Capital Partners II, LPApr 2024 · 4 co-filers$125.0MAsymmetric Capital Partners II, LPApr 2024 · 4 co-filers$125.0MSentinel HS Partners, LPJan 2024 · 14 co-filersSentinel HS Foundation Fund, LPJan 2024 · 14 co-filersCounteract One LPJan 2024 · 12 co-filersNemo Digital Holdings Corp.Nov 2023 · 5 co-filers$690KHex Performance, LLCOct 2023 · 18 co-filersNemo Digital Holdings Corp.Jul 2023 · 5 co-filers$1.2MNemo Digital Holdings Corp.Feb 2023 · 8 co-filers$1.4MSentinel HS Partners, LPJan 2023 · 14 co-filersSentinel HS Foundation Fund, LPJan 2023 · 14 co-filersNemo Digital Holdings Corp.Dec 2022 · 8 co-filers$1.4MCounteract One LPDec 2022 · 12 co-filersNemo Digital Holdings Corp.Dec 2022 · 11 co-filers$179KNemo Digital Holdings Corp.Nov 2022 · 11 co-filers$200KSentinel HS Foundation Fund, LPJan 2022 · 14 co-filers
Derived from public SEC Form D (Reg D) filings; entities resolved probabilistically. See Robert in the interactive graph →