
Raised and spent are the FEC's official 2025–26 totals through Oct 14, 2026. Poliscope, which supplies the donor, PAC and sector breakdowns on this page, has not loaded the latest report yet and shows $4.31M raised through Jul 29, 2026, so those breakdowns cover an earlier period.
Brian Mast is a Republican Representative from FL (District 21). Mast's campaign has raised $4.3 million from 2,730 donors. Funding includes 22.5% from small-dollar donors (under $200) and 30.2% from in-state contributors. Top funding sources by employer include REDWOOD RESEARCH, NOBLE PROPERTIES, ANTHROPIC. Campaign committees include MAST FOR CONGRESS.
Some sections could not be refreshed in the latest ingest and show earlier data: darkMoney (as of Oct 16, 2026). They will retry tonight.
Individual contributions grouped by the employer donors list on their filings.
| Contributor | Type | State | Total | From PACs | Gifts |
|---|---|---|---|---|---|
| HANLON, SUSAN MRS. | individual | IL | $9,501 | — | 6 |
| KING, MARY SUSAN MS. | individual | VA | $9,001 | — | 10 |
| ARNOLD, ANN D MS. | individual | MN | $7,950 | — | 10 |
| MARIN, TODD | individual | FL | $7,000 | — | 1 |
| ROWAN, MARC J. MR. | individual | CT | $7,000 | — | 3 |
| REHNERT, GEOFFREY S MR | individual | MA | $7,000 | — | 1 |
| MANDELBAUM, JONAH | individual | NY | $7,000 | — | 2 |
| MERSZEI, AIME | individual | FL | $7,000 | — | 1 |
| DROR, TABITHA | individual | CA | $7,000 | — | 3 |
| MORTON, LORI MRS. | individual | FL | $7,000 | — | 2 |
| FRANCE, BRIAN | individual | CA | $7,000 | — | 1 |
| GERSON, ERICA | individual | NY | $7,000 | — | 1 |
| SNYDER, BENJAMIN | individual | PA | $7,000 | — | 1 |
| BRICKEN, TRENTON | individual | MA | $7,000 | — | 1 |
| ROWAN, CAROLYN MRS. | individual | CT | $7,000 | — | 3 |
| PAC | State | Total | Gifts |
|---|---|---|---|
| SEAL PAC SUPPORTING ELECTING AMERICAN LEADERS PAC | GA | $10,000 | 2 |
| BULLDOG PAC | TX | $10,000 | 2 |
| NATIONAL MARINE MANUFACTURERS ASSOCIATION AND MARINE RETAILERS ASSOCIATION BOAT PAC | DC | $10,000 | 4 |
| EMPLOYEES OF RTX CORPORATION POLITICAL ACTION COMMITTEE | VA | $10,000 | 7 |
| GENERAL ATOMICS POLITICAL ACTION COMMITTEE | CA | $10,000 | 2 |
| ENGINEERS POLITICAL EDUCATION COMMITTEE (EPEC)/INTERNATIONAL UNION OF OPERATING ENGINEERS | DC | $10,000 | 2 |
| ATLAS AIR WORLDWIDE HOLDINGS, INC. POLITICAL ACTION COMMITTEE | NY | $9,000 | 5 |
| NORPAC | NJ | $8,500 | 3 |
| AMERICAN BANKERS ASSOCIATION PAC (BANKPAC) | DC | $7,500 | 3 |
| GENERAL ELECTRIC COMPANY AEROSPACE EMPLOYEE POLITICAL ACTION COMMITTEE (GE AEROSPACE PAC) | DC | $7,500 | 3 |
| DELL TECHNOLOGIES, INC. POLITICAL ACTION COMMITTEE | DC | $6,000 | 3 |
| PARSONS CORPORATION POLITICAL ACTION COMMITTEE | CA | $6,000 | 6 |
| LEIDOS INC. POLITICAL ACTION COMMITTEE | TN | $6,000 | 2 |
| SPACE COAST LEADERSHIP PAC | FL | $5,000 | 2 |
| IN THE ARENA PAC | AR | $5,000 | 1 |
MAST FOR CONGRESS: $3.25M across 1,375 operating expenditures, Jan 2, 2025 to Jun 30, 2026. FEC Schedule B.
| Payee | State | Purposes | Total | Payments |
|---|---|---|---|---|
| RESPONSE AMERICA | FL | direct marketing | $1,386,722 | 50 |
| IMPRESSION STRATEGY LLC | VA | digital & strategy consulting · strategy consulting · digital consulting | $270,112 | 24 |
| AMERICAN EXPRESS | NY | see memo · annual fee · service fee | $204,118 | 20 |
| ADP | GA | payroll expense · see memo · payroll taxes | $151,193 | 119 |
| MMR SOLUTIONS LLC | DC | fundraising consulting · event catering & travel expenses · event catering | $149,193 | 31 |
| ANE STRATEGIES LLC | FL | fundraising consulting · travel expenses · event supplies | $104,063 | 20 |
| STIRRAT, MADDOX | FL | salary · travel expenses · see memo | $95,202 | 44 |
| ZDB INC. | FL | fundraising consulting | $90,000 | 12 |
| PROFESSIONAL DATA SERVICES INC. | GA | compliance services | $55,514 | 18 |
| DIRECT MAIL PROCESSORS INC. | MD | direct marketing | $47,194 | 10 |
| CAPITOL HILL LISTS | FL | direct marketing | $41,669 | 12 |
| HOLTZMAN VOGEL JOSEFIAK TORCHINSKY PLLC | VA | legal services | $38,134 | 19 |
Independent expenditures by super PACs and other groups, for and against. Totals are the FEC's figures from regular reports, which are newer than Poliscope's.
| Spender | Stance | Spent | Network | Dark money in |
|---|---|---|---|---|
| PAVC PAC C00895698 | Support | $98K 10 filings | — |
Reported in 24/48-hour notices; may overlap periodic reports. Late spending is reported in 24- and 48-hour notices before it appears in a regular report; these amounts are shown separately and are not included in the totals above.
| Spender | Stance | In notices | Dated after |
|---|---|---|---|
| VALOR PROJECT C00735894 | Support | $249K 2 notices, latest Oct 22, 2026 | No processed regular report yet |
| SERVING FLORIDA PAC C00962753 | Oppose | $52K 4 notices, latest Oct 23, 2026 | No processed regular report yet |
| PAVC PAC C00895698 | Support | $20K 2 notices, latest Oct 15, 2026 | Sep 25, 2026 regular reports processed through |
2,915 roll calls on record: 1,745 yea, 902 nay, 83 not voting.
| Date | Bill | Question | Position | Result |
|---|---|---|---|---|
| Sep 16, 2026 | 2403 Retire through Ownership Act | Yea | Passed 401–14 | |
| Sep 16, 2026 | 9497 Water Resources Development Act of 2026 | Yea | Passed 415–9 | |
| Sep 16, 2026 | 9340 Ratepayer Protection Act | Yea | Passed 417–3 | |
| Sep 16, 2026 | 213 Providing for congressional disapproval under chapter 8 of title 5, United States Code, of the rule issued by the Environmental Protection Agency relating to the "California State Nonroad Engine Pollution Control Standards; Commercial Harbor Craft Regulations; Notice of Decision". | Yea | Passed 214–208 | |
| Sep 16, 2026 | 10326 PROOF Act | Yea | Passed 217–207 | |
| Sep 16, 2026 | 9576 National Fraud Enforcement Division Act of 2026 | Yea | Passed 352–72 | |
| Sep 16, 2026 | 5334 Lindsey O. Graham Sanctioning Russia and Iran Act of 2026 | Yea | Passed 262–159 | |
| Sep 15, 2026 | 93 Directing the President, pursuant to section 5(c) of the War Powers Resolution, to remove United States Armed Forces from hostilities with Iran. | Nay | Passed 220–204 | |
| Sep 15, 2026 | 210 Providing for congressional disapproval under chapter 8 of title 5, United States Code, of the rule submitted by the Environmental Protection Agency relating to "California State Nonroad Engine Pollution Control Standards; Ocean-Going Vessels At-Berth; Notice of Decision". | Yea | Passed 216–211 | |
| Sep 15, 2026 | 9500 Tax Relief for Fraud Victims Act | Yea | Passed 408–17 | |
| Sep 15, 2026 | 2140 Diesel Emissions Reduction Act of 2025 | Yea | Passed 343–79 | |
| Sep 15, 2026 | 4646 Whistleblower Protection Act of 2025 | Yea | Passed 424–0 | |
| Sep 15, 2026 | 8278 Fostering the Use of Technology to Uphold Regulatory Effectiveness in Supervision Act | Yea | Passed 417–7 | |
| Sep 15, 2026 | 2978 GUARD Act | Yea | Passed 414–7 | |
| Sep 15, 2026 | 1530 Providing for consideration of the bill (H.R. 9576) to establish the National Fraud Enforcement Division of the Department of Justice; providing for consideration of the bill (H.R. 10326) to enhance information-sharing capabilities between Federal law enforcement and State agencies to detect, investigate, and prosecute fraud in certain Federal programs, and to protect individual privacy; providing for consideration of the joint resolution (H.J. Res. 210) providing for congressional disapproval under chapter 8 of title 5, United States Code, of the rule submitted by the Environmental Protection Agency relating to ‘‘California State Nonroad Engine Pollution Control Standards; Ocean-Going Vessels At-Berth; Notice of Decision''; providing for consideration of the joint resolution (H.J. Res. 213) providing for congressional disapproval under chapter 8 of title 5, United States Code, of the rule issued by the Environmental Protection Agency relating to the ‘‘California State Nonroad Engine Pollution Control Standards; Commercial Harbor Craft Regulations; Notice of Decision''; and providing for consideration of the Senate amendments to the bill (H.R. 5334) to amend the Internal Revenue Code of 1986 to allow early childhood educators to take the educator expense deduction, and for other purposes. | Aye | Passed 214–211 | |
| Sep 15, 2026 | 1530 Providing for consideration of the bill (H.R. 9576) to establish the National Fraud Enforcement Division of the Department of Justice; providing for consideration of the bill (H.R. 10326) to enhance information-sharing capabilities between Federal law enforcement and State agencies to detect, investigate, and prosecute fraud in certain Federal programs, and to protect individual privacy; providing for consideration of the joint resolution (H.J. Res. 210) providing for congressional disapproval under chapter 8 of title 5, United States Code, of the rule submitted by the Environmental Protection Agency relating to ‘‘California State Nonroad Engine Pollution Control Standards; Ocean-Going Vessels At-Berth; Notice of Decision''; providing for consideration of the joint resolution (H.J. Res. 213) providing for congressional disapproval under chapter 8 of title 5, United States Code, of the rule issued by the Environmental Protection Agency relating to the ‘‘California State Nonroad Engine Pollution Control Standards; Commercial Harbor Craft Regulations; Notice of Decision''; and providing for consideration of the Senate amendments to the bill (H.R. 5334) to amend the Internal Revenue Code of 1986 to allow early childhood educators to take the educator expense deduction, and for other purposes. | Yea | Passed 214–208 | |
| Sep 15, 2026 | 1486 Impeaching Donald John Trump, President of the United States, for high crimes and misdemeanors. | Yea | Passed 232–147 | |
| Sep 14, 2026 | 3276 Local Communities & Bird Habitat Stewardship Act of 2026 | Yea | Passed 345–60 | |
| Sep 14, 2026 | 4219 National Wildlife Refuge System Invasive Species Strike Team Act of 2025 | Yea | Passed 371–33 | |
| Sep 3, 2026 | 4795 Protect Economic and Academic Freedom Act of 2026 | Yea | Passed 237–169 | |
| Sep 2, 2026 | 1501 Protecting Domestic Mining Act of 2025 | Yea | Passed 218–201 | |
| Sep 2, 2026 | 1 Proposing an amendment to the Constitution of the United States to require that the Supreme Court of the United States be composed of nine justices. | Yea | Failed 212–206 | |
| Sep 1, 2026 | 1498 In the matter of allegations relating to Representative Chuck Edwards. | Yea | Passed 413–2 | |
| Sep 1, 2026 | 9436 Northeast Lobsterman Protection Act of 2026 | Yea | Passed 219–196 | |
| Sep 1, 2026 | 9436 Northeast Lobsterman Protection Act of 2026 | Nay | Failed 202–212 |
| Bill | Title | Role | Policy area | Latest action | Law? |
|---|---|---|---|---|---|
| 10532 | To require the humane transfer of certain retired research dogs and cats, and for other purposes. | cosponsor | — | Sep 24, 2026 | — |
| 9086 | Foreign Service Modernization Act | cosponsor | International Affairs | Sep 17, 2026 | — |
| 1552 | Supporting the designation of the week of September 20 through September 26, 2026, as "Gold Star Families Remembrance Week". | cosponsor | Armed Forces and National Security | Sep 16, 2026 | — |
| 8409 | Post-Disaster Protection Act | cosponsor | Emergency Management | Sep 15, 2026 | — |
| 9017 | Restore Florida Water Independence Act of 2026 | cosponsor | Environmental Protection | Sep 10, 2026 | — |
| 7008 | Stop Insider Trading Act | cosponsor | Congress | Aug 6, 2026 | — |
| 9471 | SAFE Banking Act of 2026 | cosponsor | Finance and Financial Sector | Jul 17, 2026 | — |
| 4398 | Veteran Burial Timeliness and Death Certificate Accountability Act | cosponsor | Armed Forces and National Security | Jun 30, 2026 | — |
| 1396 | Expressing support for the designation of the month of June 2026 as "National Post-Traumatic Stress Awareness Month" and June 27, 2026, as "National Post-Traumatic Stress Awareness Day". | cosponsor | Armed Forces and National Security | Jun 29, 2026 | — |
| 9250 | Great American Outdoors Act 250 | cosponsor | Public Lands and Natural Resources | Jun 24, 2026 | — |
| 425 | Repealing Big Brother Overreach Act | cosponsor | Finance and Financial Sector | Jun 18, 2026 | — |
| 7037 | Developing Overseas Mineral Investments and New Allied Networks for Critical Energies Act | cosponsor | International Affairs | Jun 9, 2026 | — |
| 9094 | Florida Freeze Disaster Assistance Act of 2026 | cosponsor | Agriculture and Food | Jun 2, 2026 | — |
| 1320 | Calling upon all Americans on this Memorial Day, 2026, to honor the men and women of the Armed Forces who have died in the pursuit of freedom and peace. | cosponsor | Armed Forces and National Security | May 22, 2026 | — |
| 1329 | Smithsonian American Women’s History Museum Act | cosponsor | Arts, Culture, Religion | May 21, 2026 | — |
| Committee | ID | Type | Relationship | Raised |
|---|---|---|---|---|
| MAST FOR CONGRESS | C00632257 | H / P | principal | $13.2M |
| end | url | type | party | phone | start |
|---|---|---|---|---|---|
| 2019-01-03 | https://mast.house.gov | rep | Republican | 202-225-3026 | 2017-01-03 |
| 2021-01-03 | https://mast.house.gov | rep | Republican | 202-225-3026 | 2019-01-03 |
| 2023-01-03 | https://mast.house.gov | rep | Republican | 202-225-3026 | 2021-01-03 |
| 2025-01-03 | https://mast.house.gov | rep | Republican | 202-225-3026 | 2023-01-03 |
| 2027-01-03 | https://mast.house.gov | rep | Republican | 202-225-3026 | 2025-01-03 |
STOCK Act periodic transaction reports. Amounts are the ranges filers report.
| Traded | Asset | Type | Amount | Owner | Disclosed |
|---|---|---|---|---|---|
| Mar 4, 2024 | T AT&T Inc. | purchase | $223 | dependent | Mar 26, 2024 |
| Mar 4, 2024 | T AT&T Inc. | purchase | $172 | dependent | Mar 26, 2024 |
| Mar 4, 2024 | AMZN Amazon.com, Inc. - Common Stock | purchase | $350 | dependent | Mar 26, 2024 |
| Mar 4, 2024 | T S O: Charles Schwab Magnum Mast Brokerage Acct DC AT&T Inc. | purchase | $223.60 | — | Mar 26, 2024 |
| Mar 4, 2024 | T S O: Maverick Mast Charles Schwab Brokerage Account DC AT&T Inc. | purchase | $172.00 | — | Mar 26, 2024 |
| Mar 4, 2024 | AMZN Amazon.com, Inc. - Common Stock | purchase | $350.78 | dependent | Mar 26, 2024 |
| Apr 18, 2022 | SPCE Virgin Galactic Holdings, Inc. | sale_full | $1,001 - $15,000 | — | May 9, 2022 |
| Apr 18, 2022 | UGRO urban-gro, Inc. | sale_full | $15,001 - $50,000 | — | May 9, 2022 |
| Apr 18, 2022 | TLRY Tilray Brands, Inc. - Class 2 | sale_full | $1,001 - $15,000 | — | May 9, 2022 |
| Apr 18, 2022 | SDC SmileDirectClub, Inc. | sale_full | $1,001 - $15,000 | — | May 9, 2022 |
| Apr 18, 2022 | IWM iShares Russell 2000 ETF | sale_full | $15,001 - $50,000 | — | May 9, 2022 |
| Apr 18, 2022 | UGRO S O: MS Joint A/C urban-gro, Inc. | sale_full | $15,001 - $50,000 | — | May 9, 2022 |
| Apr 18, 2022 | IWM iShares Russell 2000 ETF | sale_full | $15,001 - $50,000 | — | May 9, 2022 |
| Aug 5, 2021 | ESGC 2000083712 Eros STX Global Corporation A Ordinary Shares | sale_full | $1,001 - $15,000 | — | Aug 12, 2022 |
| Aug 5, 2021 | ESGC Eros STX global Corporation A Ordinary Shares | sale_full | $1,001 - $15,000 | — | Sep 7, 2021 |
An association signal from Poliscope, not evidence of wrongdoing.
| Traded | Company | Type | Amount | Lobbying filings | Lobbying spend | Issues |
|---|---|---|---|---|---|---|
| Mar 4, 2024 | AMZN AMAZON.COM, INC. | P | $350.78 | 23 | $1.84M | Agriculture, Budget/Appropriations, Computer Industry, Defense, Government Issues, Labor Issues/Antitrust/Workplace, Trade (domestic/foreign), Transportation |
| Mar 4, 2024 | AMZN AMAZON.COM, INC. | P | $350 | 23 | $1.84M | Agriculture, Budget/Appropriations, Computer Industry, Defense, Government Issues, Labor Issues/Antitrust/Workplace, Trade (domestic/foreign), Transportation |
| Apr 18, 2022 | SPCE VIRGIN GALACTIC HOLDINGS, INC. | S | $1,001 - $15,000 | 12 | $240K | Aerospace, Budget/Appropriations |
| Apr 18, 2022 | TLRY TILRAY BRANDS INC. | S | $1,001 - $15,000 | 9 | $0 | Banking, Health Issues, Trade (domestic/foreign) |
| Jul 19, 2021 | SPCE VIRGIN GALACTIC HOLDINGS, INC. | P | $15,001 - $50,000 | 18 | $190K | Aerospace, Budget/Appropriations |
| Jul 19, 2021 | SPCE VIRGIN GALACTIC HOLDINGS, INC. | P | $15,001 | 18 | $190K | Aerospace, Budget/Appropriations |
| Feb 7, 2020 | UBER UBER TECHNOLOGIES INC. | s | $15,001 - $50,000 | 126 | $23.2M | Aviation/Airlines/Airports, Banking, Budget/Appropriations, Computer Industry, Disaster Planning/Emergencies, Government Issues, Health Issues, Labor Issues/Antitrust/Workplace, Roads/Highway, Science/Technology |
| Jan 21, 2020 | UBER UBER TECHNOLOGIES INC. | s | $1,001 - $15,000 | 126 | $23.2M | Aviation/Airlines/Airports, Banking, Budget/Appropriations, Computer Industry, Disaster Planning/Emergencies, Government Issues, Health Issues, Labor Issues/Antitrust/Workplace, Roads/Highway, Science/Technology |
| Sep 23, 2019 | UBER UBER TECHNOLOGIES INC. | P | $15,001 - $50,000 | 113 | $18.4M | Automotive Industry, Aviation/Airlines/Airports, Banking, Budget/Appropriations, Computer Industry, Government Issues, Health Issues, Labor Issues/Antitrust/Workplace, Medicare/Medicaid, Science/Technology |
| Sep 16, 2019 | UBER UBER TECHNOLOGIES INC. | P | $15,001 - $50,000 | 113 | $18.4M | Automotive Industry, Aviation/Airlines/Airports, Banking, Budget/Appropriations, Computer Industry, Government Issues, Health Issues, Labor Issues/Antitrust/Workplace, Medicare/Medicaid, Science/Technology |
| Mar 14, 2019 | SNAP SNAP INC. | s | $1,001 - $15,000 | 12 | $360K | Computer Industry, Consumer Issues/Safety/Products, Law Enforcement/Crime/Criminal Justice |
| Feb 11, 2019 | SNAP SNAP INC. | P | $1,001 - $15,000 | 12 | $360K | Computer Industry, Consumer Issues/Safety/Products, Law Enforcement/Crime/Criminal Justice |
| Feb 7, 2019 | SNAP SNAP INC. | P | $1,001 - $15,000 | 12 | $360K | Computer Industry, Consumer Issues/Safety/Products, Law Enforcement/Crime/Criminal Justice |
No records in Poliscope for this section.
Does not appear as a registered lobbyist in LDA filings.
13 stock trades overlapped with lobbying by the same company in the same year. See stock trades.
Top donor industries: REDWOOD RESEARCH, NOBLE PROPERTIES, ANTHROPIC, APOLLO MANAGEMENT, AUDAX GROUP, INC.. See money.
Executive-branch (OGE 278e) disclosures, which apply to candidates who served as federal appointees.
No records in Poliscope for this section.
| Cycle | Office | State | District | FEC ID | Raised |
|---|---|---|---|---|---|
| 2026 | House | FL | 21 | H6FL18097 | $4.31M |
| 2024 | House | FL | 21 | H6FL18097 | $4.00M |
| 2022 | House | FL | 21 | H6FL18097 | $6.34M |
| 2020 | House | FL | 18 | H6FL18097 | $6.20M |
| 2018 | House | FL | 18 | H6FL18097 | $6.12M |
| 2016 | House | FL | 18 | H6FL18097 | $2.97M |
Source: Poliscope (poliscope.org), compiled from FEC, Congress.gov, LDA, SEC, OGE and congressional gift and travel records. Snapshot Oct 25, 2026. Flags are definitions of this site, listed on the hot buttons page; each is checked with documented rules against the filings above.