TER: Which Members of Congress Traded Teradyne

4 members of Congress have reported 9 trades in Teradyne (TER) since 2024: 4 buys and 5 sells. The most active was Rep. Lisa C. McClain (4 trades); the latest was Sen. Alan Armstrong, who bought $1K–$15K on Mar 27, 2026. 4 of these members have a ranked hit rate (10+ scored trades). This is a record of public disclosures, not a recommendation.

All time: every disclosed trade on the price chart

BuySellOption (ring; green bullish, red bearish)Size = top of reported range · scroll/pinch or drag across the chart to zoom, double-click to reset, or drag the window in the strip below · click a dot to jump to its row8-KForm 4

Every trade (all time)

Member · hit rate	Action	Traded	Reported amount	Disclosed · lag	This trade vs SPY (90 d)	SEC filings ±30 days	Source
AASen. Alan Armstrong R-OK 80% hit · 692 Health, Education, Labor, and PensionsIndian Affairs	BUY	Mar 27, 2026	$1K–$15K	Jul 21, 2026 116 days ⚠ over 45	+43.9%	12 Form 4	eFD report
LMRep. Lisa C. McClain R-MI09 · SP 36% hit · 735 Financial ServicesEducation and Workforce	SELL	Oct 31, 2025	$1K–$15K	Nov 21, 2025 21 days	-36.8%	8-K 10-29 8-K 10-28 · 9 Form 4	PDF
LMRep. Lisa C. McClain R-MI09 · SP 36% hit · 735 Financial ServicesEducation and Workforce	SELL	Oct 30, 2025	$1K–$15K	Nov 21, 2025 22 days	-39.3%	8-K 10-29 8-K 10-28 · 9 Form 4	PDF
LMRep. Lisa C. McClain R-MI09 · SP 36% hit · 735 Financial ServicesEducation and Workforce	BUY	Oct 30, 2025	$1K–$15K	Nov 21, 2025 22 days	+39.3%	8-K 10-29 8-K 10-28 · 9 Form 4	PDF
LMRep. Lisa C. McClain R-MI09 · SP 36% hit · 735 Financial ServicesEducation and Workforce	BUY	Jun 17, 2025	$1K–$15K	Aug 13, 2025 57 days ⚠ over 45	+21.4%	8-K 06-26 8-K 06-20 · 7 Form 4	PDF
JJRep. Julie Johnson D-TX32 · JT 49% hit · 461 Joint Committee of Congress on the LibraryHomeland SecurityForeign AffairsHouse Administration	SELL	Apr 1, 2025	$1K–$15K	May 14, 2025 43 days	+1.3%	8-K 04-29 8-K 03-06 · 6 Form 4	PDF
JJRep. Julie Johnson D-TX32 · JT 49% hit · 461 Joint Committee of Congress on the LibraryHomeland SecurityForeign AffairsHouse Administration	SELL	Mar 3, 2025	$1K–$15K	Apr 14, 2025 42 days	+26.4%	8-K 03-06 8-K 02-25 · 17 Form 4	PDF
JJRep. Julie Johnson D-TX32 · JT 49% hit · 461 Joint Committee of Congress on the LibraryHomeland SecurityForeign AffairsHouse Administration	BUY	Feb 12, 2025	$1K–$15K	Mar 12, 2025 28 days	-21.1%	8-K 03-06 8-K 02-25 8-K 01-30 · 26 Form 4	PDF
TTSen. Tommy Tuberville R-AL · JT 66% hit · 267 Agriculture, Nutrition, and ForestryArmed ServicesHealth, Education, Labor, and PensionsVeterans' Affairs	SELL	May 3, 2024	$1K–$15K	Aug 5, 2026 824 days ⚠ over 45	+5.1%	8-K 05-31 8-K 05-17 8-K 05-10 · 10 Form 4	eFD report (amended)

Education, not investment advice. This page reorganizes public disclosures so you can see what members of Congress reported. A disclosure is not evidence of wrongdoing, and past trades say nothing about future returns. Amounts are the ranges members report, not exact values. Members have up to 45 days to disclose, so recent trades may be missing. Paper filings that need manual review, trades without a confident ticker match, options, mutual funds, bonds and private holdings are not shown. Always check the source filing.

Sources: U.S. House Clerk Periodic Transaction Reports (disclosures-clerk.house.gov) and U.S. Senate eFD Periodic Transaction Reports (efdsearch.senate.gov), filed 2024 to present; SEC EDGAR submissions (Form 4 and 8-K filing dates); committee assignments from the unitedstates/congress-legislators project (current membership); daily closing prices from Yahoo Finance's public chart data (query1.finance.yahoo.com), which is unofficial and may be revised. Built 2026-11-03.

Who in Congress traded Teradyne (TER)?

All time: every disclosed trade on the price chart

Every trade (all time)