Investor · ROSEVILLE, CA

Mark L. Massaro

Open Mark in the network graph →

Filings

22

SEC Form D

Connections

74

co-filers

Capital

$725.9M

across filings

Active

Apr 2021

to Sep 2025

Most-connected co-filers (74)

Staines Financial, Llc · ROSEVILLE, CA8 shared Robert K. Eng · San Francisco, CA8 shared Xianpeng M. Jiang · BATON ROUGE, LA8 shared Staines Financial, Llc · ROSEVILLE, CA8 shared Michael L. Staines, Jr · ROSEVILLE, CA8 shared Staines Financial, Llc · ROSEVILLE, CA8 shared Benoit G. Sansoucy · Grand Cayman, Cayman Islands8 shared Stephen A. Levey · Greenwich, CT8 shared Ajit Virk · New York, NY8 shared Catherine R. Baucom · BATON ROUGE, LA8 shared Leo R. Guthart · South San Francisco, CA6 shared Ramez F. Sousou · New York, NY6 shared Peter G. Young · Cold Spring Harbor, NY6 shared Andreas G. Grill · Farmingdale, NY6 shared Shankar Hariharan · Commack, NY6 shared Steve G. Winick · Old Westbury, NY6 shared Michael P. Mahoney · Jefferson Hills, PA4 shared David P. Coulter · San Francisco, CA4 shared Graham Anderson · New York, NY4 shared Van D. Hipp, Jr · ALEXANDRIA, VA4 shared Joshua C. Stahl · Boulder, CO4 shared Nathan Sigworth · Boston, MA2 shared Vijayabalan E. Murugesu · Grand Cayman, Cayman Islands2 shared Marc G. Blythe · Vancouver, British Columbia, Canada2 shared

Recent filings (22)

Jorva Partners A, LPSep 2025 · 8 co-filers Jorva Partners B, LPSep 2025 · 8 co-filers DepYmed Inc.Apr 2025 · 14 co-filers$250K DepYmed Inc.Feb 2025 · 14 co-filers$250K Jorva Partners B, LPAug 2024 · 8 co-filers Jorva Partners A, LPAug 2024 · 8 co-filers DepYmed Inc.Aug 2024 · 14 co-filers$600K DepYmed Inc.Mar 2024 · 17 co-filers$500K Jorva Partners A, LPAug 2023 · 8 co-filers Jorva Partners B, LPAug 2023 · 8 co-filers DepYmed Inc.May 2023 · 17 co-filers$2.0M Jorva Partners A, LPAug 2022 · 8 co-filers Jorva Partners B, LPAug 2022 · 8 co-filers DepYmed Inc.Apr 2021 · 16 co-filers$15.0M Chainalysis Inc.Apr 2021 · 14 co-filers$100.0M Chainalysis Inc.Apr 2021 · 16 co-filers$100.0M PharmaCCX, Inc.Mar 2020 · 14 co-filers$7.0M ArcherDX, Inc.Mar 2020 · 23 co-filers$4.6M ArcherDX, Inc.Mar 2020 · 23 co-filers$1.3M Brickhouse Capital LPNov 2018 · 2 co-filers PharmaCCX, Inc.Nov 2018 · 14 co-filers$4.1M Brickhouse Capital LPJul 2017 · 1 co-filer

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