Investor · Cambridge, MA

Joanne Protano

Open Joanne in the network graph →

Filings

17

SEC Form D

Connections

93

co-filers

Capital

$216.2M

across filings

Active

Jul 2016

to Mar 2018

Most-connected co-filers (93)

James C. Towne · Seattle, WA9 shared College Square Mall Development, LLC · Barrington, IL7 shared GK Development, Inc · Barrington, IL7 shared Montgomery W. Kersten · New York, NY7 shared Bill S. Wolfkiel · Boulder, CO7 shared Christopher L. Coleman · Scottsdale, AZ7 shared Cedar Falls Grocery GK Services LLC · Barrington, IL7 shared Garo Kholamian · Barrington, IL7 shared GK Development, Inc · Barrington, IL7 shared John W. Kelly · New York, NY7 shared Noubar Afeyan · CAMBRIDGE, MA4 shared James Manuso · Farmington HIlls, MI4 shared Eric O'Brien · SAN MATEO, CA4 shared R. M. Carruthers · Boulder, CO4 shared David R. Epstein · Cambridge, MA4 shared Robert Langer · PITTSBURGH, PA4 shared Christopher Brown · Ottawa Hills, OH4 shared Harry S. Palmin · Cambridge, MA4 shared Ramin Shirani · Milpitas, CA4 shared Torben S. Nissen · Cambridge, MA4 shared Roger S. Pomerantz · Cambridge, MA4 shared Michael S. Rosenblatt · Cambridge, MA4 shared Stephen A. Hill · Florham Park, NJ4 shared Howard M. Schneider · Newton, MA4 shared

Recent filings (17)

Paretor LLCDec 2025 · 2 co-filers$105K Paretor LLCNov 2025 · 2 co-filers$250K Rubius Therapeutics, Inc.Mar 2018 · 28 co-filers$101.2M Rubius Therapeutics, Inc.Jun 2017 · 24 co-filers$120.0M GK DST - Cedar Falls GroceryJun 2017 · 10 co-filers$5.1M GK DST - Cedar Falls GroceryApr 2017 · 10 co-filers$5.1M GK DST - Cedar Falls GroceryNov 2016 · 10 co-filers$5.1M GK DST - Cedar Falls GrocerySep 2016 · 10 co-filers$5.1M CSI Compressco LPSep 2016 · 36 co-filers$5.0M GK DST - Cedar Falls GroceryAug 2016 · 10 co-filers$5.1M CSI Compressco LPAug 2016 · 36 co-filers$70.0M GK DST - Cedar Falls GroceryAug 2016 · 10 co-filers$5.1M GK DST - Cedar Falls GroceryJul 2016 · 10 co-filers$5.1M NOVELOS THERAPEUTICS, INC.Apr 2011 · 17 co-filers$5.1M NOVELOS THERAPEUTICS, INC.Nov 2009 · 21 co-filers$9.0M NOVELOS THERAPEUTICS, INC.Sep 2009 · 21 co-filers$9.0M NOVELOS THERAPEUTICS, INC.Feb 2009 · 21 co-filers$32.3M

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