Ledger.
Investor · George Town, Grand Cayman, Cayman Islands

Arthur Yakubovsky

Open Arthur in the network graph →
Filings
11
SEC Form D
Connections
54
co-filers
Capital
across filings
Active
Apr 2023
to Nov 2025

Most-connected co-filers (54)

Porter B. Openshaw · Salt Lake City, UT7 sharedGregg Stewart · LAS VEGAS, NV4 sharedIrving S. Kau · ONTARIO, CA4 sharedDesheng Wang · ONTARIO, CA4 sharedChristian Stephen · LAS VEGAS, NV4 sharedCarine S. Clark · ONTARIO, CA4 sharedAriel Trybuch · LOS ANGELES, CA2 sharedLisa P. Gunnels · Wayne, NJ2 sharedJustin Macneil · Hamilton, Bermuda2 sharedCatherine Valeri · Hamilton, Bermuda2 sharedLaurence Barker · London, United Kingdom2 sharedJay Zaveri · CAMPBELL, CA2 sharedDaniel D. Burgess · Sacramento, CA2 sharedLeslie D. Schulze · Sacramento, CA2 sharedRon S. Hunt · San Carlos, CA2 sharedJulie Mcdonald · Hamilton, Bermuda2 sharedJoseph Bailes · South San Francisco, CA2 sharedJonathan Drachman · South San Francisco, CA2 sharedAndrew Robbins · South San Francisco, CA2 sharedMark Chin · South San Francisco, CA2 sharedLuke N. Walker · South San Francisco, CA2 sharedJulie Eastland · South San Francisco, CA2 sharedScott Myers · South San Francisco, CA2 sharedEdward Lee · Vancouver, British Columbia, Canada2 shared

Recent filings (11)

Testament Inc.Mar 2026 · 2 co-filers$155KSecond Renaissance Fund LtdNov 2025 · 6 co-filersSecond Renaissance Fund LPNov 2025 · 8 co-filersSecond Renaissance Fund LPNov 2025 · 8 co-filersSecond Renaissance Fund LtdNov 2025 · 6 co-filersTherini Bio, Inc.Sep 2025 · 19 co-filers$80.8MTestament Inc.Aug 2025 · 5 co-filers$53KTestament Inc.Aug 2025 · 5 co-filers$10KTestament Inc.Aug 2025 · 5 co-filers$10KTestament Inc.Aug 2025 · 5 co-filers$53KHarpoon Therapeutics, Inc.Oct 2023 · 26 co-filers$100.2MTherini Bio, Inc.Apr 2023 · 25 co-filers$54.6MHarpoon Therapeutics, Inc.Apr 2023 · 30 co-filers$25.0M

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