Ledger.
Investor · Dallas, TX

Sara Brien

Open Sara in the network graph →
Filings
13
SEC Form D
Connections
51
co-filers
Capital
$4.8M
across filings
Active
May 2023
to Dec 2025

Most-connected co-filers (51)

Gijs Voskuyl · Schiphol, P79 sharedIan Mortimer · Toronto, Ontario, Canada9 sharedEliza Goldberg · Austin, TX7 sharedAnthony S. Wilson · Orchard, U07 sharedLawrence Avitabile · Austin, TX7 sharedAtom Investors Lp · Austin, TX7 sharedSean Wade · Almondsbury, Bristol, United Kingdom7 sharedBasil Qunibi · Austin, TX7 sharedCaryn Marooney · 59100 Prato (PO), L67 sharedAtom Investors Lp · Austin, TX7 sharedSuzanne Foster · Dallas, TX6 sharedPaul S. Copplestone · Orchard, U04 sharedJacob K. Herzka · Lakewood, NJ4 sharedCraig Bingham · Provo, UT4 sharedNic Corsetti · Grand Cayman, Cayman Islands4 sharedGeoff C. Ruddick · Grand Cayman, Cayman Islands4 sharedAtom Associates, Llc · Austin, TX3 sharedAtom Associates, Llc · Austin, TX3 sharedTony Lettich · Johnson City, TN2 sharedDidier Li · Beverly Hills, CA2 sharedDavid Shadpour · Beverly Hills, CA2 sharedBrandon Werber · Beverly Hills, CA2 sharedJohn R. Felton · Providence, RI2 sharedDavid R. Feinberg · Providence, RI2 shared

Recent filings (13)

Intus Care Inc.Mar 2026 · 5 co-filers$1.0MAtom Active Equities LtdDec 2025 · 16 co-filersPerimeter Medical Imaging AI, Inc.Aug 2025 · 20 co-filers$2.8MPerimeter Medical Imaging AI, Inc.Aug 2025 · 20 co-filers$2.8MPerimeter Medical Imaging AI, Inc.Jul 2025 · 20 co-filers$2.1MPerimeter Medical Imaging AI, Inc.Jul 2025 · 20 co-filers$2.1MAtom Partners LPMay 2025 · 12 co-filersAtom Overseas Ltd.May 2025 · 16 co-filersIntus Care Inc.May 2025 · 6 co-filers$24KairVet, Inc.Feb 2025 · 18 co-filers$11.0MAtom Overseas Ltd.May 2024 · 16 co-filersAtom Partners LPMay 2024 · 12 co-filersAtom Partners LPMay 2023 · 12 co-filersAtom Overseas Ltd.May 2023 · 16 co-filersairVet, Inc.May 2023 · 16 co-filers$18.2M

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