Investor · DALLAS, TX

Jeffrey K. Knowlton

Open Jeffrey in the network graph →

Filings

10

SEC Form D

Connections

48

co-filers

Capital

$517.1M

across filings

Active

Nov 2021

to Aug 2025

Most-connected co-filers (48)

Daniel Handford · Lexington, SC6 shared James M. Sherblom · Woburn, MA4 shared Kirsten R. Flowers · Woburn, MA4 shared Marko Lehtimaki · GEORGE TOWN, Cayman Islands4 shared John Knowles · Saskatoon, Saskatchewan, Canada4 shared Richard Hoyt · Saskatoon, Saskatchewan, Canada4 shared Keith Carpenter · Saskatoon, Saskatchewan, Canada4 shared Garnette Weber · Saskatoon, Saskatchewan, Canada4 shared J K. Bass · Dallas, TX4 shared William A. Wexler · Woburn, MA4 shared Edward A. Sullivan Jr · Woburn, MA4 shared Christine Kerboull · GEORGE TOWN, Cayman Islands4 shared Blaine Bailey · Vancouver, British Columbia, Canada3 shared Brent Zettl · Saskatoon, Saskatchewan, Canada3 shared Ingi Kim · Dover, DE3 shared Jason Lennartz · Denver, CO3 shared Fabian Hedin · Dover, DE3 shared John Hyshka · Saskatoon, Saskatchewan, Canada3 shared Neal S. Muni · Woburn, MA3 shared Cloud Capital Advisors LLC · Washington, Washington, D.C.3 shared Joel Bryce · Dover, MA2 shared Gerd G. Auffarth · Iselin, NJ2 shared Thomas W. Mazza · Boston, MA2 shared Zachary M. Soler · Columbia, SC2 shared

Recent filings (10)

HAYMAN HONG KONG OPPORTUNITIES OFFSHORE FUND LPJan 2026 · 1 co-filer Zyus Life Sciences CorpAug 2025 · 22 co-filers$726K HAYMAN HONG KONG OPPORTUNITIES OFFSHORE FUND LPJan 2025 · 4 co-filers HAYMAN HONG KONG OPPORTUNITIES OFFSHORE FUND LPJan 2024 · 4 co-filers Zyus Life Sciences Inc.Jun 2023 · 20 co-filers$1.1M Zyus Life Sciences Inc.Mar 2023 · 20 co-filers$1.5M HAYMAN HONG KONG OPPORTUNITIES OFFSHORE FUND LPJan 2023 · 4 co-filers Healthy Humming, LLCDec 2022 · 22 co-filers$1.6M Zyus Life Sciences Inc.Nov 2021 · 18 co-filers$5.0M Healthy Humming, LLCNov 2021 · 20 co-filers$1.1M

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