David D O'brien

Registered Lobbyist
Disclosed Prior Positions
David O'Brien, Managing Partner
N/A
Lobby Filings
1,210
Clients
52
Firms
1
Years Active
2007–2026
Total Contributed
$92,100
Contributions
115
Recipients
42
Contrib Filings
40
Top Recipient Legislators
LegislatorPtyStTotal
C. Ruppersberger D MD $8,000
David Price D NC $7,500
Carolyn Mccarthy D NY $7,200
John Duncan R TN $5,000
Mike Gallagher R WI $4,000
Jeanne Shaheen D NH $3,000
Adam Schiff D CA $3,000
Bill Pascrell D NJ $2,500
Roscoe Bartlett R MD $2,000
Ben Cardin D MD $2,000
Michael Capuano D MA $2,000
Richard Shelby D AL $2,000
Kay Granger R TX $1,500
John Mccain R AZ $1,250
Jon Tester D MT $1,000
Joe Wilson R SC $1,000
John Carter R TX $1,000
Chris Van Hollen D MD $1,000
Martin Heinrich D NM $1,000
Christopher Dodd D CT $1,000
Top Committees / PACs
PayeeCountTotal
ROGERS FOR CONGRESS 11 $6,750
HAL ROGERS FOR CONGRESS 2 $6,400
PRICE FOR CONGRESS 6 $6,000
DUNCAN FOR CONGRESS 7 $5,000
FRIENDS OF CAROLYN MCCARTHY 5 $5,000
DUTCH RUPPERSBERGER FOR CONGRESS 6 $5,000
CHARLIE DENT FOR CONGRESS 4 $3,500
HALPAC 4 $3,000
SHAHEEN FOR SENATE 2 $3,000
MIKE GALLAGHER FOR CONGRESS 2 $2,000
DEFENSE AMERICA PAC 1 $2,000
BARTLETT FOR CONGRESS 2 $2,000
ADAM SCHIFF FOR CONGRESS 2 $2,000
MIKE FOR WISCONSIN 1 $2,000
CARDIN FOR SENATE 2 $2,000

Lobbying Filings

YearFirmClientIncomeDoc
2026
2nd Quarter - Report
C2 STRATEGIES EUTELSAT S.A. $10,000
2026
2nd Quarter - Report
C2 STRATEGIES JAIA ROBOTICS $30,000
2026
2nd Quarter - Report
C2 STRATEGIES SEASPAN - VANCOUVER SHIPYARDS $30,000
2026
2nd Quarter - Report
C2 STRATEGIES LEONARDO DRS, INC $30,000
2026
2nd Quarter - Report
C2 STRATEGIES AST SPACEMOBILE $50,000
2026
2nd Quarter - Report
C2 STRATEGIES AEROCORE TECHNOLOGIES LLC $30,000
2026
2nd Quarter - Report
C2 STRATEGIES CASCADE AEROSPACE INC. $30,000
2026
2nd Quarter - Report
C2 STRATEGIES OMEGA AIR $30,000
2026
1st Quarter - Report
C2 STRATEGIES JAIA ROBOTICS $30,000
2026
1st Quarter - Report
C2 STRATEGIES SEASPAN - VANCOUVER SHIPYARDS $30,000
Page 1 of 50  ·  500 filings Next

Political Contributions

Recipient / Honoree Legislator Payee / Committee Date Amount
Trent Kelly Trent Kelly (R, MS) WIN RED KELLY Nov 17, 2025 $500
Rob Wittman Robert Wittman (R, VA) WIN RED ROB WITTMAN Oct 28, 2025 $500
Nick Lalota Nick Lalota (R, NY) WIN RED LALOTA Jul 11, 2025 $500
Bob Casey Robert Casey (D, TX) BOB CASEY FOR SENATE Jun 12, 2024 $1,000
Senator Martin Heinrich Martin Heinrich (D, NM) HEINRICH FOR SENATE Jun 29, 2023 $1,000
Senator Jon Tester Jon Tester (D, MT) MONTANANS FOR TESTER Nov 16, 2022 $1,000
Congresswoman Elaine Luria Elaine Luria (D, VA) ELAINE LURIA FOR CONGRESS Sep 17, 2022 $500
Congressman Mike Gallagher Mike Gallagher (R, WI) MIKE FOR WISCONSIN Jun 8, 2022 $2,000
Congressman C.A. Dutch Ruppersberger C. Ruppersberger (D, MD) DUTCH FOR CONGRESS Jun 8, 2022 $1,000
Senator Chris Van Hollen Chris Van Hollen (D, MD) VAN HOLLEN FOR SENATE Jun 8, 2022 $1,000
Page 1 of 12  ·  115 contributions Next

Contribution Filings (LD-203)

YearPeriodPostedStatusDoc
2026 Mid Year Jul 30, 2026 None
2025 Mid Year Jan 22, 2026 None
2025 Year End Jan 22, 2026 Active
2025 Mid Year Jul 30, 2025 None
2024 Year End Jan 31, 2025 None
2024 Mid Year Sep 13, 2024 Active
2023 Year End Apr 8, 2024 None
2023 Mid Year Jul 31, 2023 Active
2022 Year End Jan 29, 2023 Active
2022 Mid Year Jul 25, 2022 Active
2021 Year End Jan 19, 2022 Active
2021 Mid Year Jul 30, 2021 Active
2020 Year End Jan 29, 2021 Active
2020 Mid Year Jul 30, 2020 Active
2019 Year End Jan 30, 2020 Active
2019 Mid Year Jul 29, 2019 Active
2018 Year End Jan 30, 2019 Active
2018 Mid Year Jul 30, 2018 Active
2017 Year End Jan 30, 2018 Active
2017 Mid Year Jul 31, 2017 Active
2016 Year End Jan 30, 2017 Active
2016 Mid Year Aug 1, 2016 None
2015 Year End Jan 29, 2016 Active
2015 Mid Year Jul 30, 2015 Active
2014 Year End Jan 30, 2015 Active
2014 Mid Year Jul 30, 2014 Active
2013 Year End Jan 30, 2014 Active
2013 Mid Year Jul 29, 2013 Active
2012 Year End Jan 30, 2013 None
2012 Mid Year Jul 30, 2012 Active
2011 Year End Jan 30, 2012 Active
2011 Mid Year Aug 1, 2011 Active
2010 Year End Jan 17, 2011 Active
2010 Mid Year Jul 8, 2010 Active
2009 Year End Jan 14, 2010 Active
2009 Mid Year Jul 24, 2009 Active
2008 Year End Jan 27, 2009 Active
2008 Mid Year Jul 14, 2008 Active
2008 Mid Year Jul 14, 2008 Active
2008 Mid Year Jul 14, 2008 Active