Brennen Cain

Registered Lobbyist New Lobbyist
Disclosed Prior Position
Legislative Assistant, Rep. Ben McAdams, April 2019-January 2021; Legislative Correspondent, Senator Jon Tester, May 2017-April 2019; Staff Assistant, Senator Jon Tester, March 2017-May 2017
Lobby Filings
7
Clients
1
Firms
1
Years Active
2025–2026
Total Contributed
$2,600
Contributions
1
Recipients
1
Contrib Filings
3
Top Recipient Legislators
No matched legislators.
Top Committees / PACs
PayeeCountTotal
BRENNEN CAIN 1 $2,600

Lobbying Filings

All 2026 2025
YearFirmClientIncomeDoc
2026
2nd Quarter - Report		 INVENERGY LLC INVENERGY LLC —
2026
1st Quarter - Report		 INVENERGY LLC INVENERGY LLC —
2025
4th Quarter - Report		 INVENERGY LLC INVENERGY LLC —
2025
3rd Quarter - Report		 INVENERGY LLC INVENERGY LLC —
2025
AMENDED		 INVENERGY LLC INVENERGY LLC —
2025
2nd Quarter - Report		 INVENERGY LLC INVENERGY LLC —
2025
1st Quarter - Report		 INVENERGY LLC INVENERGY LLC —

Political Contributions

Recipient / Honoree Legislator Payee / Committee Date Amount
Sam Forstag for Montana — BRENNEN CAIN Jan 2, 2026 $2,600

Contribution Filings (LD-203)

YearPeriodPostedStatusDoc
2026 Mid Year Jul 31, 2026 Active
2025 Year End Jan 30, 2026 None
2025 Mid Year Jul 31, 2025 None