Investor · Chicago, IL
Mark A. Buffington
Open Mark in the network graph →Capital
$45.0M
across filings
Active
Jun 2023
to Jul 2025
Most-connected co-filers (68)
Kevin M. Yamashita · Foster City, CA8 sharedMichael K. Lipp · Cambridge, MA8 sharedBarbara K. Hibner · Cambridge, MA5 sharedAndrew J. Ferris · Concord, NC4 sharedFrancis J. Langford · Concord, NC4 sharedRichard M. Erenberg · Cannonburg, PA4 sharedAlexandra Silver · London, United Kingdom4 sharedStephane Lachance · Luxembourg City, Luxembourg4 sharedPaul Schulze-Lefert · Research Triangle Park, NC4 sharedEric M. Chang · Austin, TX4 sharedJoseph J. Simpson · Concord, NC4 sharedJosh E. Hartmann · Phoenix, AZ4 sharedWilliam J. Goglin · Concord, NC4 sharedRobert Bennett · Austin, TX4 sharedRobert J. Bashore · Concord, NC4 sharedRosetta L. Brinson · JERSEY CITY, NJ4 sharedPeter K. Marschel · Cambridge, MA4 sharedScott J. Maroney · Concord, NC4 sharedAsha Rodriguez · Concord, NC4 sharedMatthew J. Myers · Concord, NC4 sharedBrian J. Schmidt · Concord, NC4 sharedBrandon M. Wilson · Austin, TX4 sharedMayurnath Sankar Rao · Doylestown, PA4 sharedPiyush J. Phadke · Dublin, OH4 shared Derived from public SEC Form D (Reg D) filings; entities resolved probabilistically. See Mark in the interactive graph →