Diamond Foundry's latest lobbying report covers Q4 2024, at under $5,000. Its first report covers Q3 2023; the issues it reports most are Taxation/Internal Revenue Code.

Diamond Foundry

Latest quarter: No record; Q3 2026 · 0 reports
Last 12 months: $0; Last 4 quarters
vs last quarter: No record; Q3 2026 against the quarter before
First report: Q3 2023; The first quarter a report named it

Lobbying by quarter

Diamond Foundry lobbying by quarter
Quarter	Amount	Reports
Q3 2023	$70K	1
Q4 2023	$80K	1
Q1 2024	$70K	1
Q2 2024	$70K	1
Q3 2024	$0	1
Q4 2024	$0	1
Q1 2025	$0	0
Q2 2025	$0	0
Q3 2025	$0	0
Q4 2025	$0	0
Q1 2026	$0	0
Q2 2026	$0	0
Q3 2026	$0	0

By issue

Taxation$290K · 6 reports

An issue's amount splits each report's amount equally over the issues the report lists.

Who was lobbied

HOUSE OF REPRESENTATIVES6 reports
SENATE6 reports
Commerce, Dept of (DOC)5 reports
Treasury, Dept of5 reports

Firms it paid

Firm
Capitol Tax Partners	$290K	6 quarters

Former officials lobbying for it

	Former position	Firm
JONATHAN TALISMAN	Treasury Dept: Asst Secretary Tax Policy; Deputy Asst. Secretary; Tax Leg. Counsel; Sen. Finance Comm. Chief Tax Counsel (Dem Staff); Joint Comm. on Taxation Leg. Counsel.	Capitol Tax Partners	Q4 2023
KATHERINE SCOLLARD MONGE	Senior Counsel, Leader/Speaker Pelosi; Senior Policy Adviser, Leader Pelosi; Tax Counsel, Senator Cardin.	Capitol Tax Partners	Q4 2023
SARAH ELIZABETH SHIVE	Senior Counsel, Sen. Debbie Stabenow; Senior Counsel, Sen. John D. Rockefeller IV; Legislative Correspondent, Sen. John D. Rockefeller IV.	Capitol Tax Partners	Q4 2023

Lobbying reports

	Filed by		Issues
25/01/21for Q4 2024	Capitol Tax Partners	Under $5,000	Taxation
24/10/21for Q3 2024	Capitol Tax Partners	Under $5,000	Taxation
24/07/22for Q2 2024	Capitol Tax Partners	$70K	Taxation
24/04/22for Q1 2024	Capitol Tax Partners	$70K	Taxation
24/01/22for Q4 2023	Capitol Tax Partners	$80K	Taxation
23/10/20for Q3 2023	Capitol Tax Partners	$70K	Taxation
23/07/25for Q3 2023	Capitol Tax Partners	Under $5,000	Taxation