Investor · Ann Arbor, MI

John Birkmeyer

Open John in the network graph →

Filings

27

SEC Form D

Connections

158

co-filers

Capital

$3.5M

across filings

Active

Aug 2015

to Jun 2022

Most-connected co-filers (158)

Christian Birkmeyer · Ann Arbor, MI14 shared Anthony D. Grover · Ann Arbor, MI12 shared Timothy Petersen · Irvine, CA11 shared Kurt Skifstad · Ann Arbor, MI11 shared Greg Erber · Ann Arbor, MI10 shared Steve Richvalsky · Ann Arbor, MI9 shared Judson Barr · New Canaan, CT8 shared Snow Park Capital Partners, LP · New York, NY7 shared Emiliano A. De Matos · Boston, MA7 shared Teofilo Raad · Lexington, MA7 shared Mark J. Iwicki · Arlington, MA7 shared Joseph Ryan · Boston, MA7 shared Michael J. Higgins · Cambridge, MA7 shared Scott's Cove GP LLC · New York, NY7 shared Brendan English · Boston, MA6 shared Amit D. Munshi · Lexington, MA6 shared Steven Gillis · Lexington, MA5 shared Phillip S. Schaeffer · New York, NY5 shared Anthony L. Pasqua · New York, NY5 shared Timothy Peterson · Ann Arbor, MI5 shared Richard D. Batycky · Lexington, MA4 shared Kenneth Ruggiero · San Diego, CA4 shared Michelle S. Siegert · Lexington, MA4 shared Sherrell Dorsey · Atlanta, GA4 shared

Recent filings (27)

ArborMetrix, Inc.Sep 2022 · 13 co-filers$6.5M ArborMetrix, Inc.Sep 2022 · 13 co-filers$6.5M Monica & Andy, Inc.Jun 2022 · 13 co-filers$10.3M Pulmatrix, Inc.Jul 2021 · 20 co-filers$19.6M Pulmatrix, Inc.Feb 2021 · 23 co-filers$3.3M ArborMetrix, Inc.Nov 2020 · 20 co-filers$13.6M Pulmatrix, Inc.Jul 2020 · 23 co-filers$19.6M ArborMetrix, Inc.May 2020 · 20 co-filers$2.0M Pulmatrix, Inc.Apr 2020 · 20 co-filers$8.1M CORVIDA MEDICAL, INC.Feb 2020 · 20 co-filers$2.0M AxInfra US LPDec 2019 · 8 co-filers ArborMetrix, Inc.Oct 2019 · 20 co-filers$2.0M Pulmatrix, Inc.Feb 2019 · 27 co-filers$2.5M J&J SOLUTIONS INCFeb 2019 · 22 co-filers$20.2M Pulmatrix, Inc.Feb 2019 · 27 co-filers$22K Pulmatrix, Inc.Feb 2019 · 27 co-filers$74K AxInfra US LPDec 2018 · 8 co-filers ArborMetrix, Inc.Oct 2018 · 20 co-filers$1.1M ArborMetrix, Inc.Apr 2018 · 17 co-filers$5.0M Monica & Andy, Inc.Feb 2018 · 13 co-filers$8.8M AxInfra US LPDec 2017 · 8 co-filers Digestive Health Network, Inc.Dec 2017 · 38 co-filers$550K Digestive Health Network, Inc.Nov 2017 · 38 co-filers$250K Skeleton, LLCJun 2016 · 2 co-filers$10.0M Skeleton, LLCJun 2016 · 2 co-filers$10.0M

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