Investor · North Chicago, IL

Robert J. Alpern

Open Robert in the network graph →

Filings

7

SEC Form D

Connections

80

co-filers

Capital

$3.8B

across filings

Active

Mar 2011

to May 2016

Most-connected co-filers (80)

Mary J. Szela · San Diego, CA6 shared Michael J. Warmuth · Abbott Park, IL6 shared Laura J. Schumacher · North Chicago, IL4 shared Glenn F. Tilton · North Chicago, IL4 shared Roxanne S. Austin · North Chicago, IL4 shared Thomas C. Freyman · Abbott Park, IL3 shared David E. Cohen · Boston, MA3 shared Edward L. Michael · Abbott Park, IL3 shared Miles D. White · Abbott Park, IL3 shared Peter S. Kaplan · Boston, MA3 shared Gregory F. O'Keefe · ANCHORAGE, AK3 shared Richard W. Ashley · Abbott Park, IL3 shared Adam M. Ware · Boston, MA3 shared James G. Mazzo · Laguna Beach, CA3 shared Elizabeth Grace · Denver, CO3 shared Louis S. Wolfe · Darien, CT3 shared Adam Markley · Denver, CO3 shared Margaret Fasano · Denver, CO3 shared Jennifer K. Wynn · Boston, MA3 shared E. R. Cotter · Darien, CT3 shared Carlos E. Alban · North Chicago, IL3 shared John Shoemaker · Radnor, PA3 shared Ross D. Demont · Boston, MA3 shared John M. Capek · Abbott Park, IL3 shared

Recent filings (7)

PSC Fund II LPOct 2025 · 8 co-filers$20.0M PSC Fund I LPJul 2025 · 8 co-filers$11.0M PSC Fund II LPJul 2025 · 8 co-filers$11.0M AbbVie Inc.May 2016 · 33 co-filers$3.8B AbbVie Inc.May 2016 · 33 co-filers$3.8B ABBOTT LABORATORIESMar 2011 · 56 co-filers$100K ABBOTT LABORATORIESMar 2011 · 56 co-filers$100K ABBOTT LABORATORIESMar 2010 · 63 co-filers$70K ABBOTT LABORATORIESMar 2009 · 60 co-filers$6.7M

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