Investor · Boston, MA

Todd Usen

Open Todd in the network graph →

Filings

5

SEC Form D

Connections

18

co-filers

Capital

$89.2M

across filings

Active

Jul 2019

to Oct 2025

Most-connected co-filers (18)

Ashok Krishnamurthi · Philadelphia, PA4 shared Emily Casey · Boston, MA4 shared Peter Kim · TORONTO, Ontario, Canada4 shared William Cowen · Hadley, MA3 shared Tom Calef · Boston, MA3 shared Ameena El-Bibany · Boston, MA3 shared Paul Meister · High Point, NC3 shared Michael Ruehlman · Boston, MA2 shared Heather Mannila · BOSTON, MA2 shared Babak N. Yazdani · San Francisco, CA2 shared Sub Datta · Boston, MA1 shared Keyvan P. Mirsaeedi-Farahani · Laguna Hills, CA1 shared Deborah Kaster · Laguna Hills, CA1 shared Orly Mishan · Laguna Hills, CA1 shared Timothy P. Moran · Laguna Hills, CA1 shared Sandra P. Gardiner · Laguna Hills, CA1 shared David H. Wells · Belle Mead, NJ1 shared James Cox · Laguna Hills, CA1 shared

Recent filings (5)

Adagio Medical Holdings, Inc.Oct 2025 · 13 co-filers$49.8M Adagio Medical Holdings, Inc.Oct 2025 · 13 co-filers$49.8M ACTIV Surgical, Inc.Apr 2022 · 19 co-filers$14.6M ACTIV Surgical, Inc.Apr 2022 · 19 co-filers$14.6M ACTIV Surgical, Inc.Jul 2021 · 19 co-filers$42.6M ACTIV Surgical, Inc.Jul 2021 · 19 co-filers$42.6M ACTIV Surgical, Inc.Jul 2020 · 19 co-filers$15.0M ACTIV Surgical, Inc.Jul 2020 · 19 co-filers$15.0M ACTIV Surgical, Inc.Jul 2019 · 10 co-filers$18.5M ACTIV Surgical, Inc.Jul 2019 · 10 co-filers$18.5M

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