Investor · Cambridge, MA

Steve Kafka

Open Steve in the network graph →

Filings

30

SEC Form D

Connections

180

co-filers

Capital

$90.8M

across filings

Active

Sep 2013

to Dec 2021

Most-connected co-filers (180)

Marvin H. Caruthers · Boulder, CO11 shared Wendy W. Adamovich · Cambridge, MA9 shared Stuart C. Heaton · Orlando, FL7 shared Peyton Greenside · San Mateo, CA7 shared Robert Chess · Walnut Creek, CA7 shared Gabriel Kra · PALO ALTO, CA6 shared Robert Langer · Cambridge, MA6 shared George Zachary · SAN FRANCISCO, CA6 shared Tim Koogle · Berkeley, CA6 shared Michael H. King · Orlando, FL6 shared Owen Hegarty · Grand Cayman, Cayman Islands6 shared Jeffrey Chi · San Diego, CA6 shared Caroline Loew · Cambridge, MA6 shared Stanley Lapidus · LEXINGTON, MA6 shared Andy Wheeler · Mountain View, CA6 shared Francis Cuss · Cambridge, MA6 shared David Cooper · Berkeley, CA6 shared Glen Wigney · Grand Cayman, Cayman Islands6 shared Kenneth P. Polsinelli · Winter park, FL6 shared Adam Lowry · Berkeley, CA6 shared Thomas C. King · Orlando, FL6 shared Joshua Colbert · Franklin, TN6 shared Neil Renninger · Berkeley, CA6 shared Tom J. Parsons · Grand Cayman, Cayman Islands5 shared

Recent filings (30)

BigHat Biosciences, Inc.Apr 2025 · 14 co-filers$124.1M RIPPLE FOODS, PBCApr 2024 · 25 co-filers$10.9M RIPPLE FOODS, PBCNov 2023 · 23 co-filers$55.4M SunBird Bio, Inc.May 2023 · 11 co-filers$23.2M SunBird Bio, Inc.May 2023 · 11 co-filers$23.2M ROC ASIA PACIFIC PRIVATE EQUITY FUND V B, L.P.Dec 2022 · 8 co-filers$150.0M Canex Metals Inc.Nov 2022 · 19 co-filers$84K BigHat Biosciences, Inc.Oct 2022 · 16 co-filers$80.0M ROC ASIA PACIFIC PRIVATE EQUITY FUND V B, L.P.Jul 2022 · 8 co-filers$150.0M Glympse Bio, Inc.Dec 2021 · 34 co-filers$18.0M RIPPLE FOODS, PBCAug 2021 · 23 co-filers$61.0M ROC ASIA PACIFIC PRIVATE EQUITY FUND V B, L.P.Jul 2021 · 8 co-filers$150.0M Canex Metals Inc.Jul 2021 · 17 co-filers$68K Glympse Bio, Inc.Jul 2021 · 29 co-filers$46.7M RIPPLE FOODS, PBCOct 2020 · 26 co-filers$55.8M Boardwalktech Software Corp.Jun 2020 · 22 co-filers$86K Glympse Bio, Inc.Jun 2020 · 28 co-filers$45.0M RIPPLE FOODS, PBCJun 2020 · 26 co-filers$36.0M ArcherDX, Inc.Apr 2020 · 21 co-filers$1.6M Boardwalktech Software Corp.Mar 2020 · 22 co-filers$872K ArcherDX, Inc.Mar 2020 · 23 co-filers$4.6M ArcherDX, Inc.Mar 2020 · 23 co-filers$1.3M ArcherDX, Inc.Dec 2019 · 16 co-filers$55.0M ArcherDX, Inc.May 2019 · 17 co-filers$18.1M Boardwalktech Software Corp.Mar 2019 · 21 co-filers$272K

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