Investor · San Antonio, TX

Donald R. Sinclair

Open Donald in the network graph →

Filings

13

SEC Form D

Connections

62

co-filers

Capital

$100.7M

across filings

Active

Jan 2023

to Jul 2025

Most-connected co-filers (62)

Dan O. Dinges · San Antonio, TX5 shared Stephen A. Webster · San Antonio, TX5 shared Brooks M. Shughart · Stamford, CT4 shared Jeffrey C. Rawls · Oklahoma City, OK4 shared Thomas R. Hix · Oklahoma City, OK4 shared Samantha Dale Strasser · Dedham, MA3 shared Omri Amirav-Drory · San Francisco, CA3 shared Yu Hu · Dedham, MA3 shared Haim Sadger · Herzliya Pituach, L33 shared Christopher Melton · Miami, FL3 shared David Villarreal · Miami, FL3 shared John S. Cipriano · New York, NY2 shared Ophir R. Barone · GOLETA, CA2 shared Steven Anderson · San Francisco, CA2 shared Anchor Bolt Capital, LP · Chicago, IL2 shared Kumesh Aroomoogan · New York, NY2 shared Kent Savage · Highland, UT2 shared Investment Advisor Jennison Associates LLC · New York, NY2 shared Michael Urynowicz · FT. COLLINS, CO2 shared Mark Hodgson · St Helier, Y92 shared Phillip M. Plant · Corpus Christi, TX2 shared Spike Hughes · Grand Cayman, Cayman Islands2 shared Kirk Banks · Pasadena, CA2 shared Richard Urban · St Helier, Y92 shared

Recent filings (13)

Cohesion MK Best Ideas PS, a Series of Cohesion Best Ideas (Delaware) LLCJul 2025 · 4 co-filers HighPoint Midstream LLCJul 2025 · 26 co-filers$200.0M HighPoint Midstream LLCJul 2025 · 26 co-filers$200.0M HighPoint Midstream LLCJun 2025 · 26 co-filers$200.0M HighPoint Midstream LLCJun 2025 · 26 co-filers$200.0M Cohesion MK Best Ideas PS, a Series of Cohesion Best Ideas (Delaware) LLCJan 2025 · 6 co-filers COWBOY CLEAN FUELS, LLCJan 2023 · 8 co-filers$1.3M Pepper Bio, Inc.Jan 2023 · 8 co-filers$1.0M Pepper Bio, Inc.Jan 2023 · 8 co-filers$150K Pepper Bio, Inc.Jan 2023 · 8 co-filers$6.0M COWBOY CLEAN FUELS, LLCJan 2023 · 8 co-filers$1.3M Ascent Resources, LLCAug 2018 · 28 co-filers$82.0M Ascent Resources, LLCAug 2018 · 28 co-filers$82.0M Ascent Resources, LLCJul 2018 · 28 co-filers$954.9M Ascent Resources, LLCJul 2018 · 28 co-filers$954.9M Salesvue, LLCApr 2014 · 9 co-filers$1.0M Salesvue, LLCApr 2014 · 9 co-filers$500K

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