Registered lobbyist
Mark Hamilton
Lobby filings
224
Clients
25
Firms
1
Total contributed
$55,100
Contributions
20
Committees
16
Contribution reports
35
Lobby filings counts every filing that names this lobbyist, amendments included. Contributions come from the twice-yearly LD-203 reports, counting the current version of each report once.
Lobbying filings
224 filings, newest first.
Political contributions
20 contributions, newest first.
| Recipient or honoree | Payee | Date | Amount |
|---|---|---|---|
| REP Rob Bresnahan | Paid to WIN RED TEAM ROB | Mar 20, 2026 | $3,500 |
| REP Betty McCollum | Paid to ACTBLUE | Sep 20, 2025 | $3,500 |
| REP Pete Aguilar | Paid to ACTBLUE | Aug 19, 2025 | $3,500 |
| REP Chris Pappas | Paid to ACT BLUE | May 9, 2025 | $3,500 |
| REP Rob Bresnahan | Paid to WINRED | May 9, 2025 | $3,500 |
| REP Pete Aguilar | Paid to PETE AGUILAR | Aug 14, 2024 | $3,300 |
| SEN Robert Casey | Paid to CASEY KEYSTONE VICTORY FUND | Aug 7, 2024 | $3,300 |
| REP Matt Cartwright | Paid to ACT BLUE - CARTWRIGHT FOR CONGRESS | Mar 30, 2024 | $3,300 |
| Cartwright for Congress | Paid to ACTBLUE | Sep 27, 2023 | $800 |
| Aguilar for Congress | Paid to ACT BLUE | Aug 14, 2023 | $3,300 |
Committees given to most
The payees on this lobbyist's current reports, by total given. The payee is stated on the report; the legislator behind a committee is not.
| Payee | Contributions | Total |
|---|---|---|
| ACTBLUE | 3 | $7,800 |
| ACT BLUE | 2 | $6,800 |
| AGUILAR FOR CONGRESS | 2 | $5,700 |
| WIN RED TEAM ROB | 1 | $3,500 |
| WINRED | 1 | $3,500 |
| PETE AGUILAR | 1 | $3,300 |
| CASEY KEYSTONE VICTORY FUND | 1 | $3,300 |
| ACT BLUE - CARTWRIGHT FOR CONGRESS | 1 | $3,300 |
| WITTMAN FOR CONGRESS | 1 | $2,900 |
| CARTWRIGHT FOR CONGRESS | 1 | $2,900 |
| ACTBLUE*MATTCARTWRIGHT | 1 | $2,900 |
| PETE AGUILAR FOR CONGRESS | 1 | $2,900 |
| FRIENDS FOR ROB WITTMAN | 1 | $2,800 |
| ACTBLUE* MATTCARTWRIGHT | 1 | $2,500 |
| ACTBLUE*MARK.WARNER | 1 | $500 |
Contribution reports (LD-203)
Every report the register holds. A report replaced by a later version is listed but not counted.
| Period | Filed | Counted | Official report |
|---|---|---|---|
| Mid Year 2026 | Jul 24, 2026 | Yes | Open |
| Year End 2025 | Jan 12, 2026 | Yes | Open |
| Mid Year 2025 | Jul 28, 2025 | Yes | Open |
| Year End 2024 | Jan 31, 2025 | Yes | Open |
| Mid Year 2024 | Jul 26, 2024 | Yes | Open |
| Year End 2023 | Jan 10, 2024 | Yes | Open |
| Mid Year 2023 | Jul 10, 2023 | Yes | Open |
| Year End 2022 | Jan 17, 2023 | Yes | Open |
| Mid Year 2022, no contributions | Jul 19, 2022 | Yes | Open |
| Year End 2021, no contributions | Jan 25, 2022 | Yes | Open |
| Mid Year 2021 | Jul 20, 2021 | Yes | Open |
| Year End 2020, no contributions | Jan 19, 2021 | Yes | Open |
| Mid Year 2020 | Jul 7, 2020 | Yes | Open |
| Year End 2019 | Jan 13, 2020 | Yes | Open |
| Mid Year 2019, no contributions | Jul 9, 2019 | Yes | Open |
| Year End 2018, no contributions | Jan 13, 2019 | Yes | Open |
| Mid Year 2018, no contributions | Oct 3, 2018 | Yes | Open |
| Year End 2017, no contributions | Jan 16, 2018 | Yes | Open |
| Mid Year 2017, no contributions | Jul 18, 2017 | Yes | Open |
| Year End 2016, no contributions | Jan 17, 2017 | Yes | Open |
| Mid Year 2016, no contributions | Jul 19, 2016 | Yes | Open |
| Year End 2015, no contributions | Jan 21, 2016 | Yes | Open |
| Mid Year 2015, no contributions | Jul 13, 2015 | Yes | Open |
| Year End 2014, no contributions | Jan 8, 2015 | Yes | Open |
| Mid Year 2014, no contributions | Jul 15, 2014 | Yes | Open |
| Year End 2013 | Sep 3, 2013 | Yes | Open |
| Mid Year 2013, no contributions | Jul 15, 2013 | Yes | Open |
| Year End 2012, no contributions | Jan 18, 2013 | Yes | Open |
| Mid Year 2012, no contributions | Jul 23, 2012 | Yes | Open |
| Year End 2011, no contributions | Jan 9, 2012 | Yes | Open |
| Mid Year 2011, no contributions | Jul 19, 2011 | Yes | Open |
| Year End 2010, no contributions | Jan 4, 2011 | Yes | Open |
| Mid Year 2010, no contributions | Jul 7, 2010 | Yes | Open |
| Year End 2009, no contributions | Jan 6, 2010 | Yes | Open |
| Mid Year 2009, no contributions | Jul 22, 2009 | Yes | Open |
From reports filed under the Lobbying Disclosure Act: LD-2 reports name the lobbyists who worked on each issue, and LD-203 reports list their political contributions twice a year.