Ledger.
Investor · Palo Alto, CA

Michael L. Speiser

Open Michael in the network graph →
Filings
104
SEC Form D
Connections
668
co-filers
Capital
$5.4B
across filings
Active
Sep 2015
to Jun 2025

Most-connected co-filers (668)

Scott Dietzen · San Francisco, CA21 sharedGene M. Berdichevsky · Mountain View, CA17 sharedJohn Colgrove · Palo Alto, CA16 sharedJeremy Burton · San Mateo, CA14 sharedJohn Mcmahon · San Mateo, CA14 sharedJason Frantz · San Francisco, CA13 sharedJohn Mcmahon · Redwood City, CA12 sharedRobert Woollen · San Francisco, CA12 sharedVolkmar M. Uhlig · Mountain View, CA12 sharedJohn M. Hayes · Mountain View, CA12 sharedAneel Bhusri · San Francisco, CA12 sharedChristopher W. Degnan · San Mateo, CA11 sharedBenoit Dageville · San Mateo, CA11 sharedKevin L. Wang · Menlo Park, CA10 sharedJohn L. Walecka · Menlo Park, CA10 sharedMark Leslie · Mountain View, CA10 sharedChristopher P. Mcconnell · Boston, MA10 sharedStephen D. Cutler · Boston, MA10 sharedJoseph C. Mcnay · Boston, MA10 sharedSatish Dharmaraj · Menlo Park, CA10 sharedThierry Cruanes · San Mateo, CA10 sharedAsher Holzer · Inglewood, CA9 sharedCraig Shore · Boston, MA9 sharedTeresa Y. Bernstein · WASHINGTON, Washington, D.C.9 shared

Recent filings (104)

Snowflake Inc.Feb 2026 · 13 co-filers$376.1MSUMITOMO CORPJul 2025 · 144 co-filersAS 1 LLCJun 2025 · 5 co-filersObserve, Inc.Jun 2025 · 15 co-filers$190.5MSigma Computing, Inc.Jan 2025 · 25 co-filers$274.0MSigma Computing, Inc.Jan 2025 · 25 co-filers$274.0MObserve, Inc.Oct 2024 · 13 co-filers$152.5MSUMITOMO CORPJul 2024 · 144 co-filersSila Nanotechnologies, Inc.Jul 2024 · 18 co-filers$500.0MAS 1 LLCJun 2024 · 5 co-filersSigma Computing, Inc.Jun 2024 · 23 co-filers$255.0MSigma Computing, Inc.Jun 2024 · 23 co-filers$255.0MAugment Computing, Inc.May 2024 · 9 co-filers$340.0MObserve, Inc.Apr 2024 · 9 co-filers$125.0MGhost Autonomy Inc.Nov 2023 · 14 co-filers$55.0MAugment Computing, Inc.Oct 2023 · 7 co-filers$25.0MSUMITOMO CORPJul 2023 · 144 co-filersSigma Computing, Inc.May 2023 · 19 co-filers$340.0MGhost Autonomy Inc.May 2023 · 14 co-filers$50.0MGhost Autonomy Inc.Mar 2023 · 16 co-filers$50.0MNovoGlia, Inc.Nov 2022 · 5 co-filers$54.3MNovoGlia, Inc.Nov 2022 · 5 co-filers$54.3MSUMITOMO CORPJul 2022 · 145 co-filersPreface Ventures III-A, L.P.Jul 2022 · 2 co-filers$50.0MPreface Ventures III, L.P.Jul 2022 · 2 co-filers$50.0M

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