Investor · Philadelphia, PA

Karyn B. O'Neil

Open Karyn in the network graph →

Filings

16

SEC Form D

Connections

51

co-filers

Capital

$246.8M

across filings

Active

Mar 2019

to Mar 2025

Most-connected co-filers (51)

Steel Canyon Investments, Llc · PHOENIX, AZ7 shared Chuck B. Egress · Newport News, VA7 shared Brett D. Huckelbridge · PHOENIX, AZ7 shared Susan B. Dillon · Philadelphia, PA7 shared Steel Canyon Investments, Llc · PHOENIX, AZ7 shared Elizabeth B. Anderson · Philadelphia, PA7 shared Mark B. Laurenzi · Philadelphia, PA7 shared Scott B. Greenberg · Philadelphia, PA5 shared Kevin Raidy · New York, NY5 shared Craig Dickman · GREEN BAY, WI5 shared Christopher B. Mirabelli · Philadelphia, PA5 shared Marten B. Steen · Philadelphia, PA5 shared Matthew S. Thompson · Fort Collins, CO5 shared Tyler Ellison · GREEN BAY, WI5 shared Kevin C. Smith · Denver, CO5 shared Steve S. Deitsch · Fort Collins, CO5 shared Charles R. Conn · Oxford, United Kingdom5 shared Jamie S. Haggard · Fort Collins, CO5 shared Bruce Peacock · Philadelphia, PA5 shared Bob Vruggink · STEAMBOAT SPRINGS, CO5 shared Bill Butler · LOS ANGELES, CA5 shared C. D. Adair · Nashville, TN5 shared Jess B. Lifton · Philadelphia, PA4 shared Kenneth Ryan · STAMFORD, CT4 shared

Recent filings (16)

Steel Canyon Partners L PMar 2025 · 4 co-filers Steel Canyon Partners L PMar 2024 · 4 co-filers Steel Canyon Partners L PMar 2023 · 4 co-filers Aro Biotherapeutics CoDec 2022 · 21 co-filers$100.0M Aro Biotherapeutics CoDec 2022 · 21 co-filers$100.0M Steel Canyon Partners L PMar 2022 · 4 co-filers OPC Technology Ventures, LLCJan 2022 · 16 co-filers$50.0M Aro Biotherapeutics CoDec 2021 · 31 co-filers$90.3M Aro Biotherapeutics CoJun 2021 · 32 co-filers$90.3M Aro Biotherapeutics CoApr 2021 · 32 co-filers$90.3M Steel Canyon Partners L PMar 2021 · 4 co-filers Aro Biotherapeutics CoJan 2021 · 32 co-filers$90.3M Steel Canyon Partners L PMar 2020 · 4 co-filers Aro Biotherapeutics CoJan 2020 · 14 co-filers$5.0M Aro Biotherapeutics CoApr 2019 · 9 co-filers$4.9M Aro Biotherapeutics CoApr 2019 · 9 co-filers$4.9M Steel Canyon Partners L PMar 2019 · 4 co-filers OPC Technology Ventures, LLCMar 2019 · 6 co-filers$25.0M

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