Itemized gifts are loaded through June 30, 2026 for the 2025–2026 cycle. Later FEC reports are not processed yet, so recent totals are incomplete.
O'BRIEN, LAWRENCE F. III
Individual donor · WASHINGTON, DC· OB-C GROUP LLC (PRINCIPAL)
Summary by party and cycle
| Cycle | Candidate party | For | Against |
|---|---|---|---|
| 2026 | Democratic | $6,700 | $0 |
| 2024 | Democratic | $8,950 | $0 |
| 2022 | Democratic | $15,380 | $0 |
| 2020 | Democratic | $23,875 | $0 |
| 2018 | Democratic | $18,500 | $0 |
| 2018 | Independent | $1,500 | $0 |
| 2016 | Democratic | $28,900 | $0 |
Details by candidate
| Cycle | Candidate | Party | How | For or against | Amount | Gifts | Latest | Source |
|---|---|---|---|---|---|---|---|---|
| 2026 | HASSAN, MARGARET WOOD | Democratic | Contribution | For | $3,000 | 4 | 2026-02-26 | latest filing |
| 2026 | REED, JOHN F. | Democratic | Contribution | For | $1,000 | 1 | 2025-06-06 | filing |
| 2026 | BROWN, SHERROD | Democratic | Contribution | For | $1,000 | 1 | 2025-10-10 | filing |
| 2026 | WARNER, MARK ROBERT | Democratic | Contribution | For | $700 | 1 | 2025-04-02 | filing |
| 2026 | LARSON, JOHN B | Democratic | Contribution | For | $500 | 1 | 2026-02-24 | filing |
| 2026 | MARKEY, EDWARD SEN. | Democratic | Contribution | For | $500 | 1 | 2026-05-01 | filing |
| 2024 | TESTER, R. JON | Democratic | Contribution | For | $2,500 | 4 | 2023-05-12 | latest filing |
| 2024 | HASSAN, MARGARET WOOD | Democratic | Contribution | For | $2,000 | 2 | 2024-03-07 | latest filing |
| 2024 | WHITEHOUSE, SHELDON | Democratic | Contribution | For | $1,000 | 1 | 2023-06-23 | filing |
| 2024 | BROWN, SHERROD | Democratic | Contribution | For | $1,000 | 2 | 2024-11-05 | latest filing |
| 2024 | PETERS, GARY | Democratic | Contribution | For | $750 | 1 | 2023-01-05 | filing |
| 2024 | CARPER, THOMAS R. | Democratic | Contribution | For | $600 | 1 | 2023-04-17 | filing |
| 2024 | HOYER, STENY | Democratic | Contribution | For | $600 | 1 | 2023-06-07 | filing |
| 2024 | HIMES, JIM | Democratic | Contribution | For | $500 | 1 | 2024-06-30 | filing |
| 2022 | PELOSI, NANCY | Democratic | Contribution | For | $2,800 | 1 | 2021-02-09 | filing |
| 2022 | CASEY, ROBERT P. JR. | Democratic | Contribution | For | $2,280 | 3 | 2022-01-18 | latest filing |
| 2022 | BLUMENTHAL, RICHARD | Democratic | Contribution | For | $2,000 | 1 | 2021-01-25 | filing |
| 2022 | LUJAN, BEN RAY | Democratic | Contribution | For | $1,850 | 3 | 2022-02-14 | latest filing |
| 2022 | LEVIN, ANDY | Democratic | Contribution | For | $1,150 | 3 | 2022-06-28 | latest filing |
| 2022 | HOYER, STENY | Democratic | Contribution | For | $1,000 | 1 | 2021-04-07 | filing |
| 2022 | DELAURO, ROSA L | Democratic | Contribution | For | $1,000 | 2 | 2022-04-01 | latest filing |
| 2022 | PETERS, GARY | Democratic | Contribution | For | $1,000 | 1 | 2022-03-08 | filing |
| 2022 | STABENOW, DEBBIE | Democratic | Contribution | For | $500 | 1 | 2021-07-29 | filing |
| 2022 | HASSAN, MARGARET WOOD | Democratic | Contribution | For | $500 | 1 | 2021-09-27 | filing |
| 2022 | PASCRELL, WILLIAM J. JR. | Democratic | Contribution | For | $500 | 1 | 2021-12-01 | filing |
| 2022 | KEATING, WILLIAM R | Democratic | Contribution | For | $400 | 1 | 2021-03-16 | filing |
| 2022 | HIMES, JIM | Democratic | Contribution | For | $400 | 1 | 2022-09-30 | filing |
| 2020 | MARKEY, EDWARD SEN. | Democratic | Contribution | For | $2,700 | 2 | 2019-03-28 | latest filing |
| 2020 | SHAHEEN, JEANNE | Democratic | Contribution | For | $2,500 | 2 | 2019-03-29 | latest filing |
| 2020 | HASSAN, MARGARET WOOD | Democratic | Contribution | For | $2,000 | 2 | 2019-02-19 | latest filing |
| 2020 | PETERS, GARY | Democratic | Contribution | For | $2,000 | 3 | 2019-03-29 | latest filing |
| 2020 | JONES, DOUG | Democratic | Contribution | For | $2,000 | 1 | 2019-06-28 | filing |
| 2020 | WARNER, MARK ROBERT | Democratic | Contribution | For | $1,675 | 2 | 2019-12-16 | latest filing |
| 2020 | PELOSI, NANCY | Democratic | Contribution | For | $1,600 | 2 | 2020-11-02 | latest filing |
| 2020 | DELAURO, ROSA L | Democratic | Contribution | For | $1,200 | 3 | 2020-02-28 | latest filing |
| 2020 | REED, JOHN F. | Democratic | Contribution | For | $1,000 | 1 | 2019-02-06 | filing |
| 2020 | MERKLEY, JEFFREY ALAN | Democratic | Contribution | For | $1,000 | 1 | 2019-08-05 | filing |
| 2020 | HOYER, STENY | Democratic | Contribution | For | $1,000 | 1 | 2019-10-18 | filing |
| 2020 | CASEY, ROBERT P. JR. | Democratic | Contribution | For | $1,000 | 1 | 2020-11-17 | filing |
| 2020 | KIRKPATRICK, ANN | Democratic | Contribution | For | $900 | 2 | 2019-11-20 | latest filing |
| 2020 | BLUMENTHAL, RICHARD | Democratic | Contribution | For | $700 | 1 | 2019-09-20 | filing |
| 2020 | KEATING, WILLIAM R | Democratic | Contribution | For | $500 | 1 | 2019-03-12 | filing |
| 2020 | LUJAN, BEN RAY | Democratic | Contribution | For | $500 | 1 | 2020-10-23 | filing |
| 2020 | MATSUI, DORIS | Democratic | Contribution | For | $400 | 1 | 2019-12-10 | filing |
| 2020 | ALLRED, COLIN | Democratic | Contribution | For | $400 | 1 | 2019-12-12 | filing |
| 2020 | HIMES, JIM | Democratic | Contribution | For | $400 | 1 | 2020-03-09 | filing |
| 2020 | BUSTOS, CHERI | Democratic | Contribution | For | $400 | 1 | 2020-10-26 | filing |
| 2018 | BREDESEN, PHILIP | Democratic | Contribution | For | $4,000 | 2 | 2018-06-28 | latest filing |
| 2018 | KAINE, TIMOTHY MICHAEL | Democratic | Contribution | For | $2,500 | 2 | 2018-04-13 | latest filing |
| 2018 | NELSON, BILL | Democratic | Contribution | For | $2,000 | 2 | 2017-07-18 | latest filing |
| 2018 | MENENDEZ, ROBERT | Independent | Contribution | For | $1,500 | 2 | 2018-10-16 | latest filing |
| 2018 | CARPER, THOMAS R. | Democratic | Contribution | For | $1,500 | 2 | 2018-05-23 | latest filing |
| 2018 | PELOSI, NANCY | Democratic | Contribution | For | $1,250 | 3 | 2018-09-27 | latest filing |
| 2018 | HIMES, JIM | Democratic | Contribution | For | $1,000 | 1 | 2017-05-19 | filing |
| 2018 | WARNER, MARK ROBERT | Democratic | Contribution | For | $1,000 | 1 | 2017-09-20 | filing |
| 2018 | WHITEHOUSE, SHELDON | Democratic | Contribution | For | $1,000 | 1 | 2018-01-30 | filing |
| 2018 | SHERRILL, MIKIE | Democratic | Contribution | For | $1,000 | 2 | 2018-09-13 | latest filing |
| 2018 | BROWN, SHERROD | Democratic | Contribution | For | $1,000 | 1 | 2018-03-07 | filing |
| 2018 | KIRKPATRICK, ANN | Democratic | Contribution | For | $750 | 1 | 2017-12-08 | filing |
| 2018 | MERKLEY, JEFFREY ALAN | Democratic | Contribution | For | $500 | 1 | 2017-03-19 | filing |
| 2018 | BUSTOS, CHERI | Democratic | Contribution | For | $500 | 1 | 2018-01-02 | filing |
| 2018 | MATSUI, DORIS | Democratic | Contribution | For | $500 | 1 | 2018-02-08 | filing |
| 2016 | MURPHY, PATRICK E | Democratic | Contribution | For | $4,000 | 4 | 2016-10-14 | latest filing |
| 2016 | KIRKPATRICK, ANN LEILA | Democratic | Contribution | For | $3,000 | 3 | 2016-06-22 | latest filing |
| 2016 | BLUMENTHAL, RICHARD | Democratic | Contribution | For | $2,700 | 1 | 2015-05-11 | filing |
| 2016 | SCHUMER, CHARLES E. | Democratic | Contribution | For | $2,700 | 2 | 2015-10-23 | latest filing |
| 2016 | VAN HOLLEN, CHRIS | Democratic | Contribution | For | $2,500 | 3 | 2016-10-17 | latest filing |
| 2016 | BENNET, MICHAEL F. | Democratic | Contribution | For | $2,000 | 2 | 2016-06-07 | latest filing |
| 2016 | LEVIN, SANDER M | Democratic | Contribution | For | $1,000 | 1 | 2015-03-23 | filing |
| 2016 | NELSON, BILL | Democratic | Contribution | For | $1,000 | 1 | 2015-03-26 | filing |
| 2016 | KEATING, WILLIAM R | Democratic | Contribution | For | $1,000 | 2 | 2016-03-18 | latest filing |
| 2016 | LEWIS, JOHN R | Democratic | Contribution | For | $1,000 | 1 | 2015-06-11 | filing |
| 2016 | PETERS, GARY | Democratic | Contribution | For | $1,000 | 1 | 2015-11-04 | filing |
| 2016 | HOYER, STENY | Democratic | Contribution | For | $1,000 | 1 | 2015-12-17 | filing |
| 2016 | LOWEY, NITA M | Democratic | Contribution | For | $1,000 | 1 | 2015-12-18 | filing |
| 2016 | CROWLEY, JOSEPH | Democratic | Contribution | For | $1,000 | 1 | 2016-03-18 | filing |
| 2016 | BROWN, SHERROD | Democratic | Contribution | For | $1,000 | 1 | 2016-05-11 | filing |
| 2016 | WHITEHOUSE, SHELDON | Democratic | Contribution | For | $1,000 | 1 | 2016-12-08 | filing |
| 2016 | MERKLEY, JEFFREY ALAN | Democratic | Contribution | For | $500 | 1 | 2015-02-10 | filing |
| 2016 | MATSUI, DORIS | Democratic | Contribution | For | $500 | 1 | 2015-03-23 | filing |
| 2016 | REED, JOHN F. | Democratic | Contribution | For | $500 | 1 | 2015-05-06 | filing |
| 2016 | HASSAN, MARGARET WOOD | Democratic | Contribution | For | $500 | 1 | 2016-11-01 | filing |