Investor · Dallas, TX

Phillip B. Donenberg

Open Phillip in the network graph →

Filings

5

SEC Form D

Connections

38

co-filers

Capital

$215.0M

across filings

Active

May 2014

to Mar 2026

Most-connected co-filers (38)

Sean P. Nolan · Morrisville, NC2 shared Kamran B. Alam · Dallas, TX2 shared Kathleen P. Reape · Dallas, TX2 shared Laura P. Sepp-Lorenzino · Dallas, TX2 shared Sukumar Nagendran · Cambridge, MA2 shared Joe D. Carey · Mountain View, CA1 shared Lee R. Hill · Denver, CO1 shared Ra S. Session Ii · Menlo Park, CA1 shared Denise Bevers · Norton, MA1 shared Alise Reicin · Watertown, MA1 shared Hangjun M. Zhan · Foster City, CA1 shared Alisha Leighow · Cincinnati, OH1 shared Quentin G. Reynolds · Boston, MA1 shared Skip R. Wyss · Green Bay, WI1 shared Richard Chin · San Francisco, CA1 shared Marcella K. Ruddy · Watertown, MA1 shared Peter Mcnamara · Watertown, MA1 shared Marc K. Schwabish · Watertown, MA1 shared Daniel Lochner · Watertown, MA1 shared Timothy A. Springer · Waltham, MA1 shared Suyash B. Prasad · Dallas, TX1 shared Paul B. Manning · Berkeley, CA1 shared Stefan Vitorovic · Boston, MA1 shared Sean Stalfort · San Carlos, CA1 shared

Recent filings (5)

Sensei Biotherapeutics, Inc.Mar 2026 · 6 co-filers$348.9M Tectonic Therapeutic, Inc.Feb 2025 · 23 co-filers$185.0M Tectonic Therapeutic, Inc.Feb 2025 · 23 co-filers$185.0M Taysha Gene Therapies, Inc.Aug 2023 · 13 co-filers$150.0M Taysha Gene Therapies, Inc.Aug 2023 · 13 co-filers$150.0M Taysha Gene Therapies, Inc.Nov 2022 · 17 co-filers$30.0M Taysha Gene Therapies, Inc.Nov 2022 · 17 co-filers$30.0M EOSHEALTH, INC.May 2014 · 9 co-filers$10.0M EOSHEALTH, INC.May 2014 · 9 co-filers$10.0M

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