Ledger.
Investor · CHICAGO, IL

Mark S. Killian

Open Mark in the network graph →
Filings
13
SEC Form D
Connections
44
co-filers
Capital
$55.1M
across filings
Active
May 2022
to May 2024

Most-connected co-filers (44)

Phil S. Doye · CHICAGO, IL10 sharedChristian Venture Lane Studio Management, LLC Magel · Wellesley, MA8 sharedGreg J. Pappas · BOSTON, MA8 sharedPeter S. Theodore · CHICAGO, IL8 sharedCandice M. Corvetti · Boston, MA8 sharedJohn Klinck · Atlanta, GA5 sharedPaul Hurst · Boston, MA5 sharedNeil Underwood · Boston, MA5 sharedPatrick Kinsel · Boston, MA5 sharedRoger Ferguson · Boston, MA5 sharedDavid Barrett · Boston, MA5 sharedDaniel Tarockoff · San Francisco, CA3 sharedLawrence S. Hamelsky · Boston, MA3 sharedArvind Chary · New York, NY3 sharedChristian Melby · STOCKHOLM, V73 sharedMark Esiri · London, United Kingdom3 sharedRyan Zurrer · GRAND CAYMAN, Cayman Islands3 sharedNeetesh J. Kumar · Denver, CO3 sharedEtalvina S. Leite · CHICAGO, IL3 sharedAndrew S. Szafran · CHICAGO, IL3 sharedTom Heiser · NEW YORK, NY3 sharedDaniel S. Adamany · CHICAGO, IL3 sharedVladimir Ristanovic · Cheney, KS3 sharedNandan Kalle · Cheney, KS3 shared

Recent filings (13)

Notarize, Inc.Nov 2025 · 17 co-filers$130.4MAHEAD Parent Holdings, LPMay 2024 · 31 co-filersAHEAD Parent Holdings, LPMay 2024 · 31 co-filersRegenerative Financing Vine II Limited PartnershipMar 2024 · 7 co-filersNotarize, Inc.Feb 2024 · 17 co-filers$30.9MAHEAD Parent Holdings, LPFeb 2024 · 32 co-filersAHEAD Parent Holdings, LPFeb 2024 · 32 co-filersNotarize, Inc.Nov 2023 · 17 co-filers$27.9MAHEAD Parent Holdings, LPNov 2023 · 32 co-filersAHEAD Parent Holdings, LPNov 2023 · 32 co-filersNotarize, Inc.Oct 2023 · 17 co-filers$25.4MNotarize, Inc.Oct 2023 · 17 co-filers$25.4MRegenerative Financing Vine II Limited PartnershipSep 2023 · 7 co-filersVida Longevity Fund, LPMay 2023 · 5 co-filersRegenerative Financing Vine Limited PartnershipMay 2022 · 7 co-filersVida Longevity Fund, LPMay 2022 · 5 co-filers

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