THOMAS O-BRIEN

Profile

First Name

: THOMAS

Middle Name

:

Last Name

: O-BRIEN

Related Companies

Titles

Company Name

Related People

DIRECTOR

VIRNETX HOLDING CORP

MICHAEL F. ANGELO, KENDALL LARSEN, EDMUND C. MUNGER, WILLIAM E. SLINEY, SCOTT TAYLOR

DIRECTOR

REVOLUTIONS MEDICAL CORP

THOMAS BEAHM, RONDALD WHEET, RONDALD L WHEET, RONDALD L. WHEET

EXECUTIVE OFFICER, DIRECTOR

SUMRIDGE PARTNERS HOLDINGS LLC

PETER CROSBIE, CHRISTOPHER DOODY, JOHN DUGAN, ROBERT DWYER, ROBERT J DWYER, CLARINDA LIM, KEVIN MORANO, PHILIP PURCELL

EXECUTIVE OFFICER

HAMPSHIRE ASSOCIATES FUND QP LP

DAVID AARON, DAVID E. AARON, WILLIAM E. AARON, LLOYD ABRAMOWITZ, N/A C/O SAGE ADVISORS, LLC, CHRISTOPHER CURTIS, KEVIN HILDEN, KURT MISCINSKI, THOMAS OBRIEN, BENJAMIN PACE, N/A SAGE ADVISORS, LLC, ROBERT SECO, MICHAEL STEIN

EXECUTIVE OFFICER

HAMPSHIRE ASSOCIATES FUND LP

DAVID AARON, DAVID E. AARON, WILLIAM E. AARON, LLOYD ABRAMOWITZ, CHRISTOPHER CURTIS, KEVIN HILDEN, KURT MISCINSKI, THOMAS OBRIEN, THOMAS J. OBRIEN, BENJAMIN PACE, N/A SAGE ADVISORS, LLC, ROBERT SECO, MICHAEL STEIN

EXECUTIVE OFFICER

HAMPSHIRE INSTITUTIONAL FUND LP

DAVID AARON, DAVID E. AARON, WILLIAM E. AARON, LLOYD ABRAMOWITZ, CHRISTOPHER CURTIS, KEVIN HILDEN, KURT MISCINSKI, THOMAS OBRIEN, THOMAS J. OBRIEN, BENJAMIN PACE, N/A SAGE ADVISORS, LLC, ROBERT SECO, MICHAEL STEIN

EXECUTIVE OFFICER

HAMPSHIRE ASSOCIATES FUND QP, L.P.

DAVID AARON, DAVID E. AARON, WILLIAM E. AARON, LLOYD ABRAMOWITZ, N/A C/O SAGE ADVISORS, LLC, CHRISTOPHER CURTIS, KEVIN HILDEN, KURT MISCINSKI, THOMAS OBRIEN, BENJAMIN PACE, N/A SAGE ADVISORS, LLC, ROBERT SECO, MICHAEL STEIN

EXECUTIVE OFFICER

HAMPSHIRE ASSOCIATES FUND, L.P.

DAVID AARON, DAVID E. AARON, WILLIAM E. AARON, LLOYD ABRAMOWITZ, CHRISTOPHER CURTIS, KEVIN HILDEN, KURT MISCINSKI, THOMAS OBRIEN, THOMAS J. OBRIEN, BENJAMIN PACE, N/A SAGE ADVISORS, LLC, ROBERT SECO, MICHAEL STEIN

EXECUTIVE OFFICER

HAMPSHIRE INSTITUTIONAL FUND, L.P.

DAVID AARON, DAVID E. AARON, WILLIAM E. AARON, LLOYD ABRAMOWITZ, CHRISTOPHER CURTIS, KEVIN HILDEN, KURT MISCINSKI, THOMAS OBRIEN, THOMAS J. OBRIEN, BENJAMIN PACE, N/A SAGE ADVISORS, LLC, ROBERT SECO, MICHAEL STEIN

DIRECTOR, EXECUTIVE OFFICER

BIOCIRCUIT TECHNOLOGIES, INC.

MICHELLE JARRARD, MICHAEL MASTERS, JAMES NAHIRNY

EXECUTIVE OFFICER, DIRECTOR

BRICK DYNAMICS INC.

TIMOTHY HENNESSY

DIRECTOR

ANDSON BIOTECH INC.

MASON CHILMONCZYK, GLENN EPSTEIN, ANDREI FEDOROV, JIM FILIPPINI, JAMES ROSS

Filings

Filing Date

Filing Type

Source URL

Industry Classifier

Detailed Industry

Revenue Range

Securities

First Sale Date

D

BIOTECHNOLOGY

DECLINE TO DISCLOSE

Equity

2025-10-17

D

BIOTECHNOLOGY

DECLINE TO DISCLOSE

Equity

2024-03-12

D

OTHER TECHNOLOGY

DECLINE TO DISCLOSE

Equity

2023-12-26

D

BIOTECHNOLOGY

DECLINE TO DISCLOSE

Debt

2022-09-20

D

BIOTECHNOLOGY

DECLINE TO DISCLOSE

Debt

2021-04-16

D

BIOTECHNOLOGY

NO REVENUES

Equity, Debt

2019-05-15

D/A

HEDGE FUND

2004-01-01

D/A

HEDGE FUND

1988-07-01

D/A

HEDGE FUND

1988-07-01

D/A

HEDGE FUND

2004-01-01

D/A

HEDGE FUND

1988-07-01

D/A

HEDGE FUND

1988-07-01

D/A

HEDGE FUND

1988-07-01

D/A

HEDGE FUND

1988-07-01

D/A

HEDGE FUND

2004-01-01

D

OTHER BANKING AND FINANCIAL SERVICES

DECLINE TO DISCLOSE

Equity

2017-07-28

D/A

HEDGE FUND

1988-07-01

D/A

HEDGE FUND

2004-01-01

D/A

HEDGE FUND

1988-07-01

D/A

HEDGE FUND

1988-07-01

D/A

HEDGE FUND

1988-07-01

D/A

HEDGE FUND

2004-01-01

D/A

HEDGE FUND

1988-07-01

D/A

HEDGE FUND

2004-01-01

D/A

HEDGE FUND

1988-07-01

D/A

HEDGE FUND

1988-07-01

D/A

HEDGE FUND

2004-01-01

D/A

HEDGE FUND

1988-07-01

D

OTHER BANKING AND FINANCIAL SERVICES

DECLINE TO DISCLOSE

Equity

2012-07-09

D

OTHER BANKING AND FINANCIAL SERVICES

DECLINE TO DISCLOSE

Equity

2010-09-30

D

OTHER HEALTH CARE

SURGICAL + MEDICAL INSTRUMENTS + APPARATUS [3841]

$1 - $1,000,000

Equity

2009-11-05

D

OTHER HEALTH CARE

SURGICAL + MEDICAL INSTRUMENTS + APPARATUS [3841]

$1 - $1,000,000

Equity

2009-11-05

D

TELECOMMUNICATIONS

PATENT OWNERS + LESSORS [6794]

DECLINE TO DISCLOSE

Equity

2009-09-11