Investor · Washington, Washington, D.C.

Jason J. Klapper

Open Jason in the network graph →

Filings

23

SEC Form D

Connections

48

co-filers

Capital

$4.5M

across filings

Active

Jun 2009

to Sep 2025

Most-connected co-filers (48)

Thomas N. Weber · Luxembourg, Luxembourg15 shared John J. Marciano · Washington, Washington, D.C.14 shared Paul F. Hills · Barrington, IL9 shared Edward J. Meyer · New York, NY9 shared Kenneth Gall · Atlanta, GA9 shared Benjamin R. Jacobs · Chevy Chase, MD9 shared Kenneth F. Finkelstein · Chevy Chase, MD9 shared James K. Jacobus · Atlanta, GA9 shared Douglas J. Pacaccio · Sycamore, IL8 shared Thomas E. Hills · Barrington, IL8 shared Porter G. Dawson · Chevy Chase, MD8 shared Joel Wiggins · Lenexa, KS7 shared Jack Blair · Beaver Creek, CO7 shared Michael Silverstein · Orlando, FL6 shared Lovick E. Cannon · BEVERLY, MA6 shared Gregory E. Dane · Alpharetta, GA6 shared Andrew R. Lemmon · Columbus, OH5 shared Matthew R. Vekasy · Columbus, OH5 shared Gregg N. Parise · Encinitas, CA5 shared Lori Hope · Sioux Falls, SD5 shared Danny Stepper · El Segundo, CA5 shared Becky J. Brown · Newnan, GA3 shared Nicholas J. Giannotti · Washington, Washington, D.C.3 shared Thomas C. Cannon · Albany, GA3 shared

Recent filings (23)

Metropolitan Holdings Income Fund I LLCSep 2025 · 5 co-filers$30.0M Metropolitan Holdings Equity Fund I LLCSep 2025 · 5 co-filers$40.0M NovAb, Inc.Aug 2025 · 7 co-filers$210K NovAb, Inc.Feb 2025 · 8 co-filers$250K NovAb, Inc.Jul 2024 · 8 co-filers$125K Metropolitan Holdings Income Fund I LLCMay 2024 · 5 co-filers$30.0M Metropolitan Holdings Equity Fund I LLCMay 2024 · 5 co-filers$40.0M NovAb, Inc.Aug 2023 · 5 co-filers$250K Redball EnergyCo LLCMay 2023 · 13 co-filers$15.0M Redball EnergyCo LLCMay 2023 · 11 co-filers$2.5M NovAb, Inc.Mar 2023 · 5 co-filers$300K Skytop Investors LLCMar 2022 · 5 co-filers$19.0M NovAb, Inc.Mar 2022 · 5 co-filers$300K Redball NJ 1, LLCJan 2022 · 9 co-filers$1.2M Redball NJ 1, LLCJan 2022 · 9 co-filers$1.2M MedShape, Inc.Feb 2013 · 11 co-filers$8.0M MedShape, Inc.Aug 2012 · 14 co-filers$8.0M MedShape, Inc.Jun 2012 · 13 co-filers$8.0M MedShape Solutions, Inc.Jul 2011 · 22 co-filers$7.0M MedShape Solutions, Inc.May 2011 · 21 co-filers$7.0M MedShape Solutions, Inc.Mar 2011 · 21 co-filers$4.2M MedShape Solutions, Inc.Sep 2009 · 13 co-filers$10.0M MedShape Solutions, Inc.Aug 2009 · 13 co-filers$10.0M MedShape Solutions, Inc.Jun 2009 · 9 co-filers$10.0M

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