ARGONNE NATIONAL LAB: all contributions

2025–2026 · Reported individual contributions grouped by employer.

These are contributions by individuals, not by their employer, industry, or location. Refunds remain negative; memo-only rows are marked and are not additional money.

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Showing the last prepared contribution list. Updated records are not ready.

#	Reported contributor / location	Reported employer / occupation	Recipient / reporting committee	Date ↕	Amount ↑	Election	Filing details / source
41	UNDERWOOD, DAVIDNAPERVILLE IL 60563	PHYSICIST ARGONNE NATIONAL LAB.	END CITIZENS UNITEDC00573261	2026-07-30	$5	Primary (P)	* EARMARKED CONTRIBUTION: SEE BELOWFiling 2009205FEC filing ↗
42	UNDERWOOD, DAVIDNAPERVILLE IL 60563	PHYSICIST ARGONNE NATIONAL LAB.	END CITIZENS UNITEDC00573261	2025-09-26	$20	Primary (P)	* EARMARKED CONTRIBUTION: SEE BELOWFiling 1927082 · amendedFEC filing ↗
43	UNDERWOOD, DAVIDNAPERVILLE IL 60563	PHYSICIST ARGONNE NATIONAL LAB.	END CITIZENS UNITEDC00573261	2025-12-26	$20	Primary (P)	* EARMARKED CONTRIBUTION: SEE BELOWFiling 1943805FEC filing ↗
44	UNDERWOOD, DAVIDNAPERVILLE IL 60563	PHYSICIST ARGONNE NATIONAL LAB.	END CITIZENS UNITEDC00573261	2025-07-26	$20	Primary (P)	* EARMARKED CONTRIBUTION: SEE BELOWFiling 2004127 · amendedFEC filing ↗
45	UNDERWOOD, DAVIDNAPERVILLE IL 60563	PHYSICIST ARGONNE NATIONAL LAB.	END CITIZENS UNITEDC00573261	2026-06-26	$20	Primary (P)	* EARMARKED CONTRIBUTION: SEE BELOWFiling 2000478FEC filing ↗
46	UNDERWOOD, DAVIDNAPERVILLE IL 60563	PHYSICIST ARGONNE NATIONAL LAB.	END CITIZENS UNITEDC00573261	2026-05-26	$20	Primary (P)	* EARMARKED CONTRIBUTION: SEE BELOWFiling 1981761FEC filing ↗
47	UNDERWOOD, DAVIDNAPERVILLE IL 60563	PHYSICIST ARGONNE NATIONAL LAB.	END CITIZENS UNITEDC00573261	2025-04-26	$20	Primary (P)	* EARMARKED CONTRIBUTION: SEE BELOWFiling 1893659FEC filing ↗
48	UNDERWOOD, DAVIDNAPERVILLE IL 60563	PHYSICIST ARGONNE NATIONAL LAB.	END CITIZENS UNITEDC00573261	2025-03-26	$20	Primary (P)	* EARMARKED CONTRIBUTION: SEE BELOWFiling 1893660 · amendedFEC filing ↗
49	UNDERWOOD, DAVIDNAPERVILLE IL 60563	PHYSICIST ARGONNE NATIONAL LAB.	END CITIZENS UNITEDC00573261	2025-06-26	$20	Primary (P)	* EARMARKED CONTRIBUTION: SEE BELOWFiling 2002702 · amendedFEC filing ↗
50	UNDERWOOD, DAVIDNAPERVILLE IL 60563	PHYSICIST ARGONNE NATIONAL LAB.	END CITIZENS UNITEDC00573261	2025-05-26	$20	Primary (P)	* EARMARKED CONTRIBUTION: SEE BELOWFiling 1896959FEC filing ↗
51	UNDERWOOD, DAVIDNAPERVILLE IL 60563	PHYSICIST ARGONNE NATIONAL LAB.	END CITIZENS UNITEDC00573261	2025-08-26	$20	Primary (P)	* EARMARKED CONTRIBUTION: SEE BELOWFiling 1917409 · amendedFEC filing ↗
52	UNDERWOOD, DAVIDNAPERVILLE IL 60563	PHYSICIST ARGONNE NATIONAL LAB.	END CITIZENS UNITEDC00573261	2025-11-26	$20	Primary (P)	* EARMARKED CONTRIBUTION: SEE BELOWFiling 1929786FEC filing ↗
53	UNDERWOOD, DAVIDNAPERVILLE IL 60563	PHYSICIST ARGONNE NATIONAL LAB.	END CITIZENS UNITEDC00573261	2025-10-26	$20	Primary (P)	* EARMARKED CONTRIBUTION: SEE BELOWFiling 1927083 · amendedFEC filing ↗
54	UNDERWOOD, DAVIDNAPERVILLE IL 60563	PHYSICIST ARGONNE NATIONAL LAB.	END CITIZENS UNITEDC00573261	2026-07-26	$20	Primary (P)	* EARMARKED CONTRIBUTION: SEE BELOWFiling 2009205FEC filing ↗
55	UNDERWOOD, DAVIDNAPERVILLE IL 60563	PHYSICIST ARGONNE NATIONAL LAB.	END CITIZENS UNITEDC00573261	2026-06-15	$25	Primary (P)	* EARMARKED CONTRIBUTION: SEE BELOWFiling 2000478FEC filing ↗
56	UNDERWOOD, DAVIDNAPERVILLE IL 60563	PHYSICIST ARGONNE NATIONAL LAB	ALEXANDRIA OCASIO-CORTEZ FOR CONGRESSC00639591	2026-01-22	$25	Primary 2026 (P2026)	* EARMARKED CONTRIBUTION: SEE BELOWFiling 1963942FEC filing ↗
57	WAGNER, ARLENEORLAND PARK IL 60462	CHEMIST ARGONNE NATIONAL LAB	CORY BOOKER FOR SENATEC00540500	2025-04-01	$50	Primary 2026 (P2026)	* EARMARKED CONTRIBUTION: SEE BELOWFiling 1923283 · amendedFEC filing ↗
58	DICKMAN, PAULVIENNA VA 22180	SCIENTIST ARGONNE NATIONAL LAB	AMY ROMA FOR CONGRESSC00906537	2025-06-19	$50	Other 2025 (O2025)	Filing 1903020FEC filing ↗
59	VONDRASEK, RICHARDCHICAGO IL 60660	ENGINEER ARGONNE NATIONAL LAB	DEMOCRATIC ACTIONC00562983	2025-04-01	$100	Primary (P)	* EARMARKED CONTRIBUTION: SEE BELOWFiling 1893323FEC filing ↗
60	WAGNER, ARLENEORLAND PARK IL 60462	CHEMIST ARGONNE NATIONAL LAB	CORY BOOKER FOR SENATEC00540500	2025-06-18	$100	Primary 2026 (P2026)	Filing 1923283 · amendedFEC filing ↗

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