Investor · Cambridge, MA

David Brebner

Open David in the network graph →

Filings

24

SEC Form D

Connections

77

co-filers

Capital

$1.3M

across filings

Active

Sep 2016

to May 2021

Most-connected co-filers (77)

Gregory P. Murdock · Arlington, MA10 shared C. W. Stevenson · Weston, MA9 shared Ian S. Knowles · Taurgna, Q29 shared Russell Brebner · Palmerston North, Q28 shared Sai Fai Yip · Singapore, U07 shared Gary S. Rubinoff · Boston, MA7 shared Ronald Shaich · Washington, Washington, D.C.7 shared William Cobert · Southborough, MA7 shared Jeffrey D. Hamet · Silver Spring, MD7 shared David Strasser · Washington, Washington, D.C.7 shared Mark R. Anderson · Friday Harbor, WA7 shared Dave Overbeeke · Wilton, CT6 shared Jon W. Halverson · Newtown Square, PA6 shared Nimish Bhatt · Santa Fe, NM6 shared Jason Eaglestone · Grand Cayman, Cayman Islands6 shared William Burkoth · Ann Arbor, MI6 shared Manuel Fustes · Austin, TX6 shared Anik Bose · San Ramon, CA4 shared Xiao-Dong W. Chen · San Antonio, TX4 shared Cheryl Baker · New Smyrna Beach, FL4 shared Prem Tumkosit · Ann Arbor, MI4 shared Aslam Merchant · Johns Creek, GA4 shared Nancy Cass · New Smyrna Beach, FL4 shared Evan Sohn · Houston, TX4 shared

Recent filings (24)

Umajin Inc.Sep 2025 · 7 co-filers$3.0M Umajin Inc.Sep 2025 · 7 co-filers$3.0M Umajin Inc.Aug 2021 · 14 co-filers$600K Umajin Inc.Aug 2021 · 14 co-filers$600K Pattern Computer, Inc.May 2021 · 8 co-filers$4.9M Pattern Computer, Inc.May 2021 · 8 co-filers$20.0M Umajin Inc.May 2020 · 17 co-filers$2.6M Pattern Computer, Inc.Oct 2019 · 8 co-filers$6.0M Umajin Inc.Jun 2019 · 17 co-filers$2.0M BIOCURITY PHARMACEUTICALS INC.May 2019 · 8 co-filers$300K Pattern Computer, Inc.Apr 2019 · 8 co-filers$5.0M Umajin Inc.Feb 2019 · 17 co-filers$250K BIOCURITY PHARMACEUTICALS INC.Feb 2019 · 8 co-filers$2.0M BIOCURITY PHARMACEUTICALS INC.Dec 2018 · 8 co-filers$2.0M Umajin Inc.Mar 2018 · 17 co-filers$1.0M Reconstruct, Inc.Feb 2018 · 11 co-filers$1.7M BIOCURITY PHARMACEUTICALS INC.Feb 2018 · 8 co-filers$400K Umajin Inc.Jan 2018 · 17 co-filers$250K Pattern Computer, Inc.Dec 2017 · 2 co-filers$3.3M Reconstruct, Inc.Sep 2017 · 7 co-filers$850K Pattern Computer, Inc.Jun 2017 · 2 co-filers$2.8M Umajin Inc.Jun 2017 · 16 co-filers$1.5M Pattern Computer, Inc.Sep 2016 · 2 co-filers$775K Nutanix, Inc.Sep 2016 · 32 co-filers$21.1M Nutanix, Inc.Sep 2016 · 32 co-filers$6.5M

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