Ledger.
Investor · Cambridge, MA

Sebastian Barriga

Open Sebastian in the network graph →
Filings
13
SEC Form D
Connections
32
co-filers
Capital
across filings
Active
Mar 2023
to Feb 2026

Most-connected co-filers (32)

Adela Jamal · Cambridge, MA9 sharedSimon A. Barnes · Grand Duchy of Luxembourg, Luxembourg4 sharedJonathan T. Rigoni · Lake Forest, IL4 sharedMichael E. Gerdes · Coeur d'Alene, ID4 sharedThai La · Clayton, MO4 sharedLynn Nazareth · Clayton, MO4 sharedSuzanne Karan · Rochester, NY4 sharedMilemark Capital Partners Gp I Llc · Cambridge, MA3 sharedLisa Volekaert · New York, NY3 sharedRichard Silverman · Winnetka, IL3 sharedPhilip Silverman · Miami, FL3 sharedGrainne Dooley · Dublin 2, Ireland3 sharedMegan Connolly · Dublin 2, Ireland3 sharedWilliam W. Soucy · South Windsor, CT3 sharedMilemark Capital Partners Gp I Llc · Cambridge, MA3 sharedBrendan Macmillan · Winnetka, IL3 sharedMax Schieble · Pewaukee, WI2 sharedJoseph Nolan · Lake Bluff, IL2 sharedBenjamin S. Peretz · Orinda, CA2 sharedEva Shang · Stateline, NV2 sharedSteven Rice · Loveland, OH2 sharedMax Liben · Lakewood, CO2 sharedDanish Munir · Denver, CO2 sharedRichard Park · New York, NY2 shared

Recent filings (13)

Akava Therapeutics Inc.Feb 2026 · 4 co-filers$15.0MMilemark PH SPV LLCJun 2025 · 7 co-filers$400KMilemark PH SPV LLCJun 2025 · 7 co-filers$400KBluejack Fire Holdings, LLCMar 2025 · 9 co-filers$4.3MBluejack Fire Holdings, LLCMar 2025 · 9 co-filers$500KAkava Therapeutics Inc.Feb 2025 · 14 co-filers$500KMilemark VH SPV LLCFeb 2025 · 7 co-filers$134KMilemark VH SPV LLCFeb 2025 · 7 co-filers$134KBluejack Fire Holdings, LLCFeb 2025 · 9 co-filers$4.0MBluejack Fire Holdings, LLCFeb 2025 · 9 co-filers$5.0MH3X Technologies Inc.Aug 2024 · 10 co-filers$20.3MMilemark Capital Partners I LPJun 2024 · 9 co-filers$70.0MMilemark Capital Partners I LPJun 2024 · 9 co-filers$70.0MAkava Therapeutics Inc.Apr 2024 · 13 co-filers$5.0MAkava Therapeutics Inc.Mar 2023 · 6 co-filers$10.0MH3X Technologies Inc.Mar 2023 · 8 co-filers$3.0M

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