Investor · Milton, MA
Joan J. Zief
Open Joan in the network graph →Filings
20
SEC Form D
Connections
77
co-filers
Capital
$4.2M
across filings
Active
Jun 2016
to Jun 2021
Most-connected co-filers (77)
Mieko T. Willoughby · Petaluma, CA5 sharedJose R. Soto · Decatur, TX5 sharedPeter A. Bisgaard · Lexington, MA5 sharedRobert J. Miniutti · Milton, MA5 sharedMichael R. Fajardo · Decatur, TX5 sharedGuy Penini · Beverly Hills, CA5 sharedMartin J. Whitman · New York, NY5 sharedStephen T. Bufano · Petaluma, CA5 sharedJonathan Rubenstein · Vancouver, British Columbia, Canada5 sharedPeter T. Paul · Petaluma, CA5 sharedDarcy D. Prather · Milton, MA5 sharedDaniel Rosenthal · Brooklyn, NY5 sharedNora Nestor · Toronto, Ontario, Canada5 sharedKristen R. Decker · Petaluma, CA5 sharedJon E. Santemma · New York, NY4 sharedDavid K. Loeffel · Atlanta, GA4 sharedDavid E. Kim · New York, NY4 sharedRobert K. Lachapelle · Atlanta, GA4 sharedJeremy R. Jameson · St. Louis, MO4 sharedMelissa J. Kent · Milton, MA4 sharedJoel Ackerman · Hackensack, NJ3 sharedBrian Rowe · Indianapolis, IN3 sharedKristala D. Jones Prather · Milton, MA3 sharedJurgen Kurz · Glendale, CA3 shared
Recent filings (20)
RHCP-IV B, L.P.Apr 2025 · 5 co-filers$650.0MRHCP-IV, L.P.Apr 2025 · 5 co-filers$650.0MRHCP-IV QP, L.P.Apr 2025 · 5 co-filers$650.0MHeadlands Asset Management Fund III LP Series RJan 2025 · 11 co-filersHeadlands Asset Management Fund III LP Series PMay 2024 · 11 co-filersHeadlands Asset Management Fund III LP Series NMar 2024 · 11 co-filersKalion, Inc.Nov 2023 · 15 co-filers$2.0MHeadlands Asset Management Fund III LP Series MJan 2023 · 11 co-filersKalion, Inc.Nov 2022 · 15 co-filers$5.0MThriveworks TopCo, LLCAug 2021 · 9 co-filers$340.2MHeadlands Asset Management Fund III LP Series KJul 2021 · 11 co-filersKalion, Inc.Jun 2021 · 14 co-filers$2.0MKalion, Inc.Mar 2019 · 13 co-filers$3.0MGLASSROOM US STOCK FUND LPSep 2018 · 7 co-filersGLASSROOM US STOCK FUND LPSep 2017 · 7 co-filersCrotega L.L.C.May 2017 · 22 co-filers$500KKalion, Inc.Mar 2017 · 10 co-filers$2.0MTry the World, Inc.Jun 2016 · 5 co-filers$5.9MTry the World, Inc.Jun 2016 · 5 co-filers$5.9MGLASSROOM US STOCK FUND LPJun 2016 · 11 co-filersCrotega L.L.C.Jun 2016 · 26 co-filers$318K
Derived from public SEC Form D (Reg D) filings; entities resolved probabilistically. See Joan in the interactive graph →