Investor · Boston, MA

Mace A. Rothenberg

Open Mace in the network graph →

Filings

14

SEC Form D

Connections

109

co-filers

Capital

$95.0M

across filings

Active

Jan 2022

to Jan 2026

Most-connected co-filers (109)

Alexis Borisy · Cambridge, MA13 shared Adam Crystal · Boston, MA11 shared Lesley A. Calhoun · Boston, MA11 shared Geoffrey G. Clark · NASHVILLE, TN9 shared Justin J. Wright · Hershey, PA7 shared Holli D. Ladhani · JANESVILLE, WI7 shared Christopher D. Lee · JANESVILLE, WI7 shared Markus Moor · Longmont, CO7 shared Kaitlyn Arsenault · San Diego, CA6 shared Barbara M. Weber · Cambridge, MA6 shared John G. Allen · Los Angeles, CA6 shared Marc S. Castellani · Los Angeles, CA6 shared Douglas S. Hendrickson · Los Angeles, CA6 shared Ramin Rafiei · AUSTIN, TX6 shared Madrona Acceleration Partners Iii L.P · SEATTLE, WA6 shared Lynne S. Born · Los Angeles, CA6 shared Sandi S. Bragar · Los Angeles, CA6 shared Keith Ward · San Diego, CA6 shared Cammie S. Doder · Los Angeles, CA6 shared Punit Dhillon · San Diego, CA6 shared Summer S. Hammons · Los Angeles, CA6 shared Ryan S. Benson · Los Angeles, CA6 shared Venkatesh Karnam · Farmers Branch, TX6 shared Robert J. Francais · Los Angeles, CA6 shared

Recent filings (14)

Aspiriant Holdings, LLCJan 2026 · 16 co-filers$4.8M Tango Therapeutics, Inc.Oct 2025 · 24 co-filers$15.0M Tango Therapeutics, Inc.Oct 2025 · 24 co-filers$15.0M Aspiriant Holdings, LLCMay 2025 · 44 co-filers$3.1M Aspiriant Holdings, LLCMay 2024 · 38 co-filers$1.3M Salvation Nutraceuticals Inc.Nov 2023 · 22 co-filers$2.1M Salvation Nutraceuticals Inc.Sep 2023 · 22 co-filers$1.6M Tango Therapeutics, Inc.Aug 2023 · 28 co-filers$80.0M Tango Therapeutics, Inc.Aug 2023 · 28 co-filers$80.0M Aulos Bioscience, Inc.Aug 2023 · 17 co-filers$20.0M Aspiriant Holdings, LLCJul 2023 · 38 co-filers$1.1M Aspiriant Holdings, LLCMay 2023 · 38 co-filers$5.5M IOTUM INCJan 2023 · 19 co-filers$419K Aspiriant Holdings, LLCMay 2022 · 44 co-filers$7.9M Aspiriant Holdings, LLCJan 2022 · 41 co-filers$3.2M IOTUM INCJan 2022 · 19 co-filers$1.9M

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