Registered lobbyist

David Alexander Marten

Government post most recently disclosed: Legislative Director, Sen. Maria Cantwell; Legislative Assistant, Sen. MariaCantwell; Legislative Assistant, Rep. Denny Heck; Legislative Correspondent, Rep. Denny Heck.

Lobby filings
254
Clients
27
Firms
1
Total contributed
$12,868
Contributions
13
Committees
7
Contribution reports
8

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

254 filings, newest first.

Political contributions

13 contributions, newest first.
Recipient or honoreePayeeDateAmount
Rep. Rick Larsen (D-WA) Paid to RICK LARSEN FOR CONGRESS Jan 26, 2026 $250
Rep. Rick Larsen (D-WA) Paid to RICK LARSEN FOR CONGRESS Jan 15, 2026 $518
Jason Knapp (VA-01) Paid to JASON KNAPP FOR CONGRESS Dec 16, 2025 $1,000
Sen. Patty Murray (D-WA) Paid to M-PAC Sep 3, 2025 $1,000
Rep. Rick Larsen (D-WA) Paid to RICK LARSEN FOR CONGRESS Jul 31, 2025 $1,000
Rep. Rick Larsen (D-WA) Paid to RICK LARSEN FOR CONGRESS Apr 15, 2025 $250
Rep. Rick Larsen (D-WA) Paid to RICK LARSEN FOR CONGRESS Jun 21, 2024 $500
Rep. Rick Larsen (D-WA) Paid to RICK LARSEN FOR CONGRESS Mar 27, 2024 $250
Sen. Maria Cantwell (D-WA) Paid to FRIENDS OF MARIA Dec 16, 2023 $3,300
Rep. Suzan DelBene (D-WA) Paid to DELBENE FOR CONGRESS Aug 24, 2023 $500

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.

PayeeContributionsTotal
FRIENDS OF MARIA 2 $6,600
RICK LARSEN FOR CONGRESS 6 $2,768
JASON KNAPP FOR CONGRESS 1 $1,000
M-PAC 1 $1,000
MARIE FOR CONGRESS 1 $750
DELBENE FOR CONGRESS 1 $500
PEOPLE FOR PATTY MURRAY 1 $250

Contribution reports (LD-203)

Every report the register holds. A report replaced by a later version is listed but not counted.

PeriodFiledCountedOfficial report
Mid Year 2026 Jul 14, 2026 Yes Open
Year End 2025 Jan 26, 2026 Yes Open
Mid Year 2025 Jul 25, 2025 Yes Open
Year End 2024, no contributions Jan 29, 2025 Yes Open
Mid Year 2024 Jul 30, 2024 Yes Open
Year End 2023 Jan 31, 2024 Yes Open
Mid Year 2023 Jul 31, 2023 Yes Open
Year End 2022 Jan 27, 2023 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.