Investor · Watertown, MA

Jeffrey H. Engelman

Open Jeffrey in the network graph →

Filings

4

SEC Form D

Connections

9

co-filers

Capital

$621.9M

across filings

Active

Oct 2024

to Sep 2025

Most-connected co-filers (9)

Kristina Burow · Ann Arbor, MI4 shared David P. Bonita · New York, NY4 shared David H. Schenkein · Watertown, MA4 shared Joshua F. Bilenker · Oakwood Village, OH4 shared Steven A. Elms · New York, NY4 shared Avi Naider · NEW YORK, NY4 shared Aftab Kherani · Philadelphia, PA4 shared Ali N. Satvat · New York, NY3 shared Daniel H. Kasok · Watertown, MA1 shared

Recent filings (4)

Treeline Biosciences, Inc.Sep 2025 · 8 co-filers$250.0M Treeline Biosciences, Inc.Oct 2024 · 9 co-filers$421.8M Treeline Biosciences, Inc.Oct 2022 · 19 co-filers$269.3M Treeline Biosciences, Inc.Oct 2022 · 19 co-filers$269.3M Treeline Biosciences, Inc.Apr 2021 · 17 co-filers$220.0M Treeline Biosciences, Inc.Apr 2021 · 17 co-filers$220.0M

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