Investor · Chicago, IL
Brett Siegal
Open Brett in the network graph →Filings
27
SEC Form D
Connections
147
co-filers
Capital
$855K
across filings
Active
Apr 2019
to Feb 2021
Most-connected co-filers (147)
Michael Castor · NEW YORK, NY12 sharedSio Capital Management, Llc · New York, NY12 sharedMichelle Ringold · Richton Park, IL12 sharedSio Capital Management, Llc · New York, NY10 sharedSio Gp, Llc · NEW YORK, NY8 sharedSio Gp, Llc · New York, NY7 sharedSio Gp, Llc · New York, NY7 sharedShashi Chilappagari · Santa Clara, CA6 sharedThomas H. Davis · Smiths, Bermuda5 sharedEdward J. Ludwig Iv · Chicago, IL5 sharedMegan Lamke · Minnetonka, MN5 sharedEyas Raddad · Carmel, IN5 sharedVictoria Carr-Brendel · Irvine, CA4 sharedChristophe E. Fond · Stafa, V84 sharedMartin E. Grieder · Stafa, V84 sharedRonald F. Van Der Vis · Stafa, V84 sharedMark C. Demetree · Vancouver, British Columbia, Canada4 sharedLukas F. Braunschweiler · Stafa, V84 sharedAdrian F. Widmer · Stafa, V84 sharedDavid A. Deptula · Kansas City, MO4 sharedJohn P. Sumrall · Kansas City, MO4 sharedNigel R. Cameron · Kansas City, MO4 sharedLudger E. Althoff · Stafa, V84 sharedShannon B. Stuckenberg · Kansas City, MO4 shared
Recent filings (27)
Sio Partners LPFeb 2026 · 2 co-filersSio Partners Offshore, LtdFeb 2026 · 3 co-filersSio Partners LPFeb 2025 · 7 co-filersSio Partners Offshore, LtdFeb 2025 · 10 co-filersSio Partners Offshore, LtdMar 2024 · 10 co-filersSio Partners LPMar 2024 · 7 co-filersSonova Holding AGFeb 2024 · 49 co-filers$12KSio Partners LPMar 2023 · 7 co-filersSio Partners Offshore, LtdMar 2023 · 10 co-filersSonova Holding AGFeb 2023 · 53 co-filers$12KRuuster Inc.Nov 2022 · 2 co-filersSio Partners LPMar 2022 · 7 co-filersSio Partners Offshore, LtdMar 2022 · 9 co-filersSio Select LLCMar 2022 · 14 co-filersSonova Holding AGMar 2022 · 53 co-filers$35KRuuster Inc.Feb 2022 · 2 co-filersSio Select LLCMay 2021 · 14 co-filersSio Partners Offshore, LtdMar 2021 · 10 co-filersSio Partners LPMar 2021 · 7 co-filersSonova Holding AGMar 2021 · 49 co-filers$34KRuuster Inc.Feb 2021 · 2 co-filersRuuster Inc.Sep 2020 · 2 co-filers$750KHMA, Inc. /IAJun 2019 · 44 co-filers$11.3MInformation International Associates Holdings, LLCJun 2019 · 13 co-filers$2.5MHMA III, Inc.Jun 2019 · 44 co-filers$99K
Derived from public SEC Form D (Reg D) filings; entities resolved probabilistically. See Brett in the interactive graph →