Investor · Washington, Washington, D.C.

Jonathan Seeber

Open Jonathan in the network graph →

Filings

22

SEC Form D

Connections

160

co-filers

Capital

$678.2M

across filings

Active

Apr 2013

to Oct 2019

Most-connected co-filers (160)

Carter Griffin · WASHINGTON, Washington, D.C.12 shared John Bottles · Eagle, ID9 shared Adolph Lombardi · Columbus, OH9 shared Dean M. Dekryger · CADILLAC, MI7 shared Michael Gregoire · New York, NY7 shared Joshua Balicki · Columbus, OH7 shared Binny Jassal · VANCOUVER, British Columbia, Canada7 shared Jill J. Buckley · Lexington, MA7 shared Laurel J. Omert · Lexington, MA7 shared Gregory Webb · New York, NY7 shared Ryan Rawson · Berkeley, CA7 shared Alex Newman · Berkeley, CA7 shared Stephen A. Eckert · Lexington, MA7 shared Karunya Lakshmi · New York, NY7 shared Larry Biagini · New York, NY7 shared Laura J. Daniels · Lexington, MA7 shared Eric J. Newman · Lexington, MA7 shared Andrew P. Dunham · Lexington, MA7 shared Yotam Mann · Brooklyn, NY7 shared Robert J. Haime · Lexington, MA7 shared Eduardo P. Avayu · Lexington, MA7 shared William P. O'Neill · Lexington, MA7 shared Buddy Doyle · VANCOUVER, British Columbia, Canada7 shared Scott Eldridge · Vancouver, British Columbia, Canada7 shared

Recent filings (22)

Updata Partners VIII, L.P.Dec 2025 · 11 co-filers$800.0M Hemanext Inc.Aug 2025 · 47 co-filers$24.0M Hemanext Inc.Jul 2025 · 47 co-filers$21.7M Hemanext Inc.Jan 2024 · 41 co-filers$10.0M Greater Michigan Lithotripsy, LLCDec 2023 · 35 co-filers$211K Hemanext Inc.Nov 2023 · 41 co-filers$11.3M Hemanext Inc.Feb 2023 · 52 co-filers$15.0M Updata Partners VII, L.P.Mar 2022 · 10 co-filers$600.0M Updata Partners VII, L.P.Feb 2022 · 10 co-filers$500.0M Hemanext Inc.Oct 2021 · 44 co-filers$59.5M Hemanext Inc.Oct 2020 · 40 co-filers$44.5M Greater Michigan Lithotripsy, LLCOct 2020 · 34 co-filers$217K Updata Partners VI, L.P.Oct 2019 · 10 co-filers$300.0M Updata Partners VI, L.P.Oct 2019 · 10 co-filers$300.0M Updata Partners VI, L.P.Oct 2018 · 10 co-filers$300.0M Updata Partners VI, L.P.Oct 2018 · 10 co-filers$300.0M SPRINGCM INCJun 2018 · 17 co-filers$10.5M SPRINGCM INCFeb 2017 · 18 co-filers$20.0M Updata Partners V, L.P.Jun 2016 · 15 co-filers$280.6M Updata Partners V, L.P.Jun 2016 · 15 co-filers$280.6M Updata Partners V, L.P.Mar 2016 · 15 co-filers$275.0M SPRINGCM INCMar 2016 · 15 co-filers$7.0M Updata Partners V, L.P.Mar 2016 · 15 co-filers$275.0M Caerus DT Fund, LLCSep 2015 · 18 co-filers Caerus DT Fund, LLCSep 2014 · 9 co-filers

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