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SEC reporting owner

Sonsini Peter W. SEC insider disclosures

Explore Sonsini Peter W.'s reporting-owner identity, issuer relationships, purchases, sales and SEC filing receipts.

As of 2026-10-13T06:40:31.983Z

Reporting owner CIK
0001559807
Issuers
49
Coverage
verified
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Issuer relationships

A reporting-owner CIK identifies the filer across issuer relationships and name aliases. A filer may be an individual or an organization; the filing role is the relevant evidence.

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INTERLEUKIN GENETICS INC0001037649ILIUNoNo
Loxo Oncology, Inc.0001581720LOXONoNo
Tracon Pharmaceuticals, Inc.0001394319TCONNoNo
CHAMPIONS ONCOLOGY, INC.0000771856CSBRNoNo
ARDELYX, INC.0001437402ARDXNoNo
ARCA biopharma, Inc.0000907654ABIONoNo
SYNLOGIC, INC.0001527599MIRN, SYBXNoNo
Cerecor Inc.0001534120CERCNoNo
Adaptimmune Therapeutics PLC0001621227ADAPNoNo
AVEO PHARMACEUTICALS, INC.0001325879AVEONoNo
Achaogen Inc0001301501AKAONoNo
Cascadian Therapeutics, Inc.0001412067CASCNoNo
MULESOFT, INC0001374684MULENoNo
APPIAN CORP0001441683APPNNoNo
Mersana Therapeutics, Inc.0001442836MRSNNoNo
Tintri, Inc.0001554875TNTRNoYes
Regulus Therapeutics Inc.0001505512RGLSNoNo
Arsanis, Inc.0001501697ASNSNoNo
Strongbridge Biopharma plc0001634432SBBPNoNo
GENOCEA BIOSCIENCES, INC.0001457612GNCANoNo
Surface Oncology, Inc.0001718108SURFNoNo
Marker Therapeutics, Inc.0001094038MRKRNoNo
Millendo Therapeutics, Inc.0001544227MLNDNoNo
Nightstar Therapeutics plc0001711675NITENoNo
Trevi Therapeutics, Inc.0001563880TRVINoNo
Mirum Pharmaceuticals, Inc.0001759425MIRMNoNo
Oyster Point Pharma, Inc.0001720725OYSTNoNo
Galera Therapeutics, Inc.0001563577GRTXNoNo
Black Diamond Therapeutics, Inc.0001701541BDTXNoNo
Casper Sleep Inc.0001598674CSPRNoNo
IMARA Inc.0001672619IMRANoNo
Akouos, Inc.0001722271AKUSNoNo
Nkarta, Inc.0001787400NKTKNoNo
Annexon, Inc.0001528115ANNXNoNo
Inozyme Pharma, Inc.0001693011INZYNoNo
Metacrine, Inc.0001634379MTCRNoNo
Eargo, Inc.0001719395EARNoNo
Desktop Metal, Inc.0001754820DMNoNo
Verona Pharma plc0001657312VRNANoNo
Savara Inc0001160308SVRANoNo
Reneo Pharmaceuticals, Inc.0001637715RPHMNoNo
Monte Rosa Therapeutics, Inc.0001826457GLUENoNo
Bright Health Group Inc.0001671284BHGNoNo
Robinhood Markets, Inc.0001783879HOODNoYes
Berkshire Grey, Inc.0001824734BGRYNoNo
IonQ, Inc.0001824920IONQNoNo
Arcellx, Inc.0001786205ACLXNoNo
Senti Biosciences, Inc.\0001854270SNTINoNo
ZeroFox Holdings, Inc.0001823575ZFOXNoNo

Recent SEC transactions

Code P identifies a purchase, S a sale and A an award. Awards and open-market purchases describe different events. Use the public availability date when deciding when a researcher could have known about the transaction.

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Up to 50 transactions from the recent two-year owner window.

Source evidence and strategy eligibility

The transactions below come from filings; a historical tracker separately simulates following eligible events. Joint filers can report the same transaction, and an owner can have filings at multiple companies. Public availability, amendment lineage and verified coverage determine which events a historical tracker may use.

The current directory marks this owner's filing coverage verified.