Investor · Cambridge, MA

Harold "Hank" Handelsmen

Open Harold in the network graph →

Filings

3

SEC Form D

Connections

19

co-filers

Capital

$13.6M

across filings

Active

Jun 2019

to Mar 2023

Most-connected co-filers (19)

Rubina N. Toorawa · Ebene, O43 shared Peter K. Farrell, Ph.D · Waltham, MA3 shared Nelson K. Stacks · Waltham, MA3 shared Charles K. Pieper · Waltham, MA3 shared Brian Finn · New York, NY3 shared Peter K. Finn, Esq · Boston, MA3 shared Joseph D. Pennington · Prince George, VA3 shared Adrien Cohen · London, United Kingdom1 shared Leon Hirth · New York, NY1 shared DC Energy Management LP · McLean, VA1 shared Julian Baker · NEW YORK, NY1 shared Steve Shulman · Boston, MA1 shared Felix Baker · NEW YORK, NY1 shared Spencer Morgan · Boston, MA1 shared Edward T. Cong · New York, NY1 shared Victor A. Murray · Grand Cayman, Cayman Islands1 shared Lawrence Leisure · CHICAGO, IL1 shared Robert `. Ritzenthaler · Bradenton, FL1 shared Razvan Ranca · London, United Kingdom1 shared

Recent filings (3)

Waveguide CorpMar 2023 · 12 co-filers$33.1M Waveguide CorpMar 2023 · 12 co-filers$33.1M Waveguide CorpSep 2021 · 16 co-filers$5.0M Waveguide CorpSep 2021 · 16 co-filers$5.0M Waveguide CorpJun 2019 · 14 co-filers$5.0M Waveguide CorpJun 2019 · 14 co-filers$5.0M

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