People · Operator

John W. Hadden II

Named in public records as an officer, director or promoter · active 2010–2020 · Biotechnology, Pharmaceuticals

2
Companies
11
Filings
$175.2M
Combined raised · real
Serial
Operator type
Companies
CompanyRoleSectorStageRaised · realValue · estTied
IRX Therapeutics, Inc.BiotechnologySeries C$109.1M$1.4B2010
PLx Pharma Inc.PharmaceuticalsSeries B$66.1M$526.5M2019
Operator network

John W. Hadden II at the center, the companies they're named on, and every other operator named alongside them — an interlock map of shared founding teams, boards and funds. Name-matched, so treat as a research lead.

Frank J. Loverro · 3 companies · 1 sharedFrank J. LoverroDavid H. Deming · 2 companies · 1 sharedDavid H. DemingJeffrey Hwang · 2 companies · 1 sharedJeffrey HwangJohn T. Spitznagel · 2 companies · 1 sharedJohn T. SpitznagelCharles R. Cherington · 1 companies · 1 sharedCharles R. Cherin…Curtis P. Robb · 1 companies · 1 sharedCurtis P. RobbEdmund W. Truell · 1 companies · 1 sharedEdmund W. TruellFerid D. Murad · 1 companies · 1 sharedFerid D. MuradFerid W. Murad · 1 companies · 1 sharedFerid W. MuradNatasha Giordano · 5 companies · 1 sharedNatasha GiordanoDavid P. Luci · 4 companies · 1 sharedDavid P. LuciMichael J. Valentino · 3 companies · 1 sharedMichael J. Valent…Michael J. Duffy · 2 companies · 1 sharedMichael J. DuffyRita O'Connor · 2 companies · 1 sharedRita O'ConnorRobert J. DeLuccia · 2 companies · 1 sharedRobert J. DeLucciaAnthony J. Bartsh · 1 companies · 1 sharedAnthony J. BartshChristopher J. Coughlin · 1 companies · 1 sharedChristopher J. Co…David J. Jorden · 1 companies · 1 sharedDavid J. JordenDavid J. Luci · 1 companies · 1 sharedDavid J. LuciEfthymios Deliargyris · 1 companies · 1 sharedEfthymios Deliarg…Ellen J. Zaroff · 1 companies · 1 sharedEllen J. ZaroffGary J. Balkema · 1 companies · 1 sharedGary J. BalkemaIRX Therapeutics, Inc. · $109.1M raisedIRX Therapeutics, Inc.PLx Pharma Inc. · $66.1M raisedPLx Pharma Inc.John W. Hadden IIJI
John W. Hadden II Company Co-operator (ring = serial)Hover to isolate ties · click to open
Co-operators (shared boards)

People named alongside John W. Hadden II on the same companies — an interlock signal (shared founding team, board, or fund). Name-matched, so verify before acting.

OperatorSharedTheir companies
Natasha Giordano15
David P. Luci14
Michael J. Valentino13
Frank J. Loverro13
Jeffrey Hwang12
Michael J. Duffy12
John T. Spitznagel12
Robert J. DeLuccia12
Rita O'Connor12
David H. Deming12
John W. Hadden11
Curtis P. Robb11
John D. Halpern11
Charles R. Cherington11
Zygmund P. Roth11
Howard H. Stevenson11
John J. Terrana11
George P. Denny III11
Ferid W. Murad11
Milos J. Koterec11

People are matched by normalized name across records; a common name may merge distinct individuals. Treat as a research lead, the same way modeled valuations are directional, not quoted.