Investor · New Canaan, CT
Daniel J. Mack
Open Daniel in the network graph →Filings
81
SEC Form D
Connections
141
co-filers
Capital
$11.1B
across filings
Active
Apr 2015
to Sep 2025
Most-connected co-filers (141)
Wilmot B. Harkey · New Canaan, CT77 sharedNantahala Capital Management, Llc · Darien, CT33 sharedNantahala Capital Management, LLC · Darien, CT33 sharedNantahala Capital Management, Llc · Darien, CT33 sharedLouis J. Grossman · Quincy, MA15 sharedJohn Aden · Carlsbad, CA15 sharedJoseph Steinberg · Carlsbad, CA15 sharedPaul Borden · Carlsbad, CA15 sharedKevin B. Philip · New Canaan, CT11 sharedNantahala Capital Gp, Llc · Darien, CT11 sharedNantahala Capital Gp, Llc · Darien, CT11 sharedJudah Kaplan · Great Neck, NY9 sharedKevin Moersch · BOULDER, CO9 sharedQr GP LLC · Darien, CT6 sharedDavid Aron · New York, NY6 sharedNebiu Mela · New York, NY6 sharedDavid A. Luu · Grand Cayman, Cayman Islands6 sharedJessica M. Woolf · New York, NY6 sharedQr GP LLC · Darien, CT6 sharedSara Pettigrew · Calgary, Alberta, Canada5 sharedRf GP LLC · New Canaan, CT5 sharedWilliam R. Slipp · Calgary, Alberta, Canada5 sharedSungkyum Kim · San Francisco, CA5 sharedChanghee A. Suh · San Francisco, CA5 shared
Recent filings (81)
NCP RFF LPSep 2025 · 9 co-filersNantahala Capital Partners Limited PartnershipSep 2025 · 5 co-filersNantahala Capital Offshore Fund I, Ltd.Sep 2025 · 8 co-filersNantahala Capital Partners Limited PartnershipSep 2025 · 5 co-filersNantahala Capital Offshore Fund I, Ltd.Sep 2025 · 8 co-filersNantahala Capital Partners Limited PartnershipOct 2024 · 6 co-filersNantahala Capital Partners SI, LPOct 2024 · 8 co-filersNantahala Capital Offshore Fund I, Ltd.Oct 2024 · 9 co-filersNantahala Capital Offshore Fund I, Ltd.Oct 2024 · 9 co-filersNantahala Capital Partners SI, LPOct 2024 · 8 co-filersNantahala Capital Partners Limited PartnershipOct 2024 · 6 co-filersNCP RFF LPSep 2024 · 9 co-filersNCP QR LPOct 2023 · 9 co-filersNantahala Capital Partners SI, LPOct 2023 · 7 co-filersNantahala Capital Partners Limited PartnershipOct 2023 · 5 co-filersNantahala Capital Offshore Fund I, Ltd.Oct 2023 · 8 co-filersNantahala Capital Offshore Fund I, Ltd.Oct 2023 · 8 co-filersNantahala Capital Partners Limited PartnershipOct 2023 · 5 co-filersNantahala Capital Partners SI, LPOct 2023 · 7 co-filersNCP RFF LPSep 2023 · 9 co-filersNCP QR LPOct 2022 · 9 co-filersNantahala Capital Offshore Fund I, Ltd.Oct 2022 · 7 co-filersNantahala Capital Partners SI, LPOct 2022 · 7 co-filersNantahala Capital Offshore Fund, Ltd.Oct 2022 · 7 co-filersNantahala Capital Partners Limited PartnershipOct 2022 · 5 co-filers
Derived from public SEC Form D (Reg D) filings; entities resolved probabilistically. See Daniel in the interactive graph →