Investor · Cambridge, MA

Edward S. Rayner

Open Edward in the network graph →

Filings

15

SEC Form D

Connections

70

co-filers

Capital

$8.0M

across filings

Active

Jun 2018

to Oct 2025

Most-connected co-filers (70)

Jami S. O'Toole · Cambridge, MA14 shared Vinay S. Mohta · Cambridge, MA14 shared Erin S. Osborn · Cambridge, MA12 shared Peter Birch · Chatham, Ontario, Canada12 shared Stephen S. Ramsthaler · New York, NY10 shared Frank B. Peabody · Newton, MA8 shared Grady Collins · Austin, TX8 shared Douglas B. Wolf · Palm Beach Gardens, FL8 shared Herbert B. Stern · Palm Beach Gardens, FL8 shared Romney Navarro · Austin, TX8 shared Corey B. Siegel · Newton, MA8 shared George F. Hussey · Warrendale, PA7 shared Christine Sheehy · Wexford, PA7 shared Katie F. Collins · Warrendale, PA7 shared Paul F. Fagan · Warrendale, PA7 shared Stephen F. Badylak · Warrendale, PA7 shared Jenna F. Dziki · Warrendale, PA7 shared Alexander S. Grodd · Cambridge, MA6 shared Autumn Lane Advisors, LLC · HOUSTON, TX4 shared Theresa Robert · Chatham, Ontario, Canada4 shared Mp Louisiana, LLC · Metairie, LA4 shared Garo H. Armen · Lexington, MA4 shared Christopher Brady · NEW YORK, NY4 shared Gary Gottlieb · Boston, MA4 shared

Recent filings (15)

ECM Therapeutics, Inc.Oct 2025 · 20 co-filers$40.0M ECM Therapeutics, Inc.May 2024 · 20 co-filers$30.0M ECM Therapeutics, Inc.Jun 2023 · 20 co-filers$25.0M ECM Therapeutics, Inc.Sep 2022 · 20 co-filers$20.0M BetterLesson, Inc.Nov 2021 · 18 co-filers ECM Therapeutics, Inc.Jul 2021 · 17 co-filers$15.0M Forest City Trading Group, LLCJul 2021 · 26 co-filers$6.1M Forest City Trading Group, LLCAug 2020 · 26 co-filers$2.5M BetterLesson, Inc.Dec 2019 · 18 co-filers$2.0M ECM Therapeutics, Inc.Sep 2019 · 11 co-filers$10.0M Forest City Trading Group, LLCJul 2019 · 19 co-filers$2.8M ECM Therapeutics, Inc.Jun 2019 · 17 co-filers$5.0M Forest City Trading Group, LLCJun 2018 · 29 co-filers$9.1M ECM Therapeutics, Inc.Jun 2018 · 17 co-filers$5.0M Social Bicycles Inc.Aug 2014 · 4 co-filers$3.5M

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