Teradyne Inc (TER): Congress and insider trades
Who in Congress and inside the company traded TER, when each filing appeared, and what buying after each one would have earned against the S&P 500.
Key Facts
- Teradyne Inc (TER) is a listed stock on NASDAQ.
- 6 members of Congress filed 16 buys and 11 sells of TER, the latest published 2026-08-05 (5 August 2026).
- Insiders filed 0 open market buys worth $0 and 16 sells worth $7.5M, the latest filed 2026-09-02 (2 September 2026).
- Across 13 scored buys, Congress averaged +4.7% against the S&P 500 (SPY) over the 90 days after disclosure, with 46% of them ahead of the index. That result is not distinguishable from luck.
- Data as of 2026-09-29 (29 September 2026).
Congress trades in TER
as of 2026-08-05| Filed | Member | Type | Size | Days to file | 90 day vs S&P |
|---|---|---|---|---|---|
| 5 Aug 2026 | Tommy Tuberville (R-AL) | sell | 1K–15K | 824 | n/a |
| 21 Jul 2026 | Alan Armstrong (R-OK) | buy | 1K–15K | 116 | n/a |
| 11 Jun 2026 | Ro Khanna (D-CA) | buy | 1K–15K | 39 | -10.6% |
| 11 May 2026 | Michael McCaul (R-TX) | buy | 15K–50K | 5 | -3.1% |
| 12 Mar 2026 | Michael McCaul (R-TX) | buy | 1K–15K | 34 | +21.5% |
| 12 Mar 2026 | Ro Khanna (D-CA) | buy | 1K–15K | 32 | +21.5% |
| 15 May 2025 | Ro Khanna (D-CA) | buy | 1K–15K | 19 | +26.5% |
| 15 May 2025 | Julie Johnson (D-TX) | sell | 1K–15K | 43 | n/a |
| 14 Jun 2023 | Ro Khanna (D-CA) | buy | 1K–15K | 20 | -12.5% |
| 7 Dec 2022 | Ro Khanna (D-CA) | sell | 1K–15K | 34 | n/a |
| 7 Dec 2022 | Ro Khanna (D-CA) | sell | 1K–15K | 33 | n/a |
| 9 Sep 2022 | Ro Khanna (D-CA) | sell | 1K–15K | 38 | n/a |
| 9 Sep 2022 | Ro Khanna (D-CA) | sell | 1K–15K | 16 | n/a |
| 15 Jun 2022 | Ro Khanna (D-CA) | buy | 1K–15K | 31 | -11.8% |
| 15 Jun 2022 | Ro Khanna (D-CA) | buy | 1K–15K | 18 | -11.8% |
| 12 May 2022 | Ro Khanna (D-CA) | sell | 1K–15K | 13 | n/a |
| 12 May 2022 | Ro Khanna (D-CA) | sell | 1K–15K | 25 | n/a |
| 11 Mar 2022 | Ro Khanna (D-CA) | sell | 1K–15K | 22 | n/a |
| 8 Dec 2021 | Ro Khanna (D-CA) | buy | 1K–15K | 35 | -20.5% |
| 15 Oct 2021 | Ro Khanna (D-CA) | buy | 1K–15K | 16 | +38.0% |
| 16 Sep 2021 | Ro Khanna (D-CA) | sell | 1K–15K | 22 | n/a |
| 16 Sep 2021 | Ro Khanna (D-CA) | buy | 1K–15K | 30 | +24.9% |
| 16 Sep 2021 | Ro Khanna (D-CA) | buy | 1K–15K | 29 | +24.9% |
| 24 Jul 2021 | Tommy Tuberville (R-AL) | buy | 1K–15K | 116 | -11.9% |
| 14 Jul 2021 | Susie Lee (D-NV) | sell | 1K–15K | 34 | n/a |
| 11 May 2021 | Susie Lee (D-NV) | buy | 1K–15K | 39 | -2.6% |
| 12 Mar 2021 | Susie Lee (D-NV) | buy | 1K–15K | 16 | +1.4% |
Nothing matches that search.
Insider trades in TER
as of 2026-09-02| Filed | Insider | Type | Shares | Price | Value | 90 day vs S&P |
|---|---|---|---|---|---|---|
| 2 Sep 2026 | JOHNSON MERCEDES | sell | 167 | $341.30 | $57.0K | n/a |
| 18 Aug 2026 | MATZ MARILYN | sell | 1,200 | $425.00 | $510K | n/a |
| 18 Aug 2026 | Smith Gregory Stephen | sell | 4,000 | $425.00 | $1.7M | n/a |
| 4 Aug 2026 | JOHNSON MERCEDES | sell | 166 | $358.15 | $59.5K | n/a |
| 16 Jul 2026 | Smith Gregory Stephen | sell | 4,000 | $356.31 | $1.4M | n/a |
| 16 Jul 2026 | MATZ MARILYN | sell | 1,200 | $356.31 | $428K | n/a |
| 2 Jul 2026 | JOHNSON MERCEDES | sell | 167 | $460.00 | $76.8K | n/a |
| 16 Jun 2026 | Smith Gregory Stephen | sell | 4,000 | $423.03 | $1.7M | n/a |
| 16 Jun 2026 | MATZ MARILYN | sell | 1,200 | $423.03 | $508K | n/a |
| 3 Jun 2026 | JOHNSON MERCEDES | sell | 167 | $369.74 | $61.7K | n/a |
| 26 May 2026 | Poulin Shannon John | sell | 1,008 | $345.37 | $348K | n/a |
| 26 May 2026 | MATZ MARILYN | sell | 400 | $350.00 | $140K | n/a |
| 26 May 2026 | Poulin Shannon John | sell | 656 | $355.00 | $233K | n/a |
| 9 Apr 2026 | Mills Regan | sell | 16 | $342.17 | $5.5K | n/a |
| 7 Apr 2026 | JOHNSON MERCEDES | sell | 625 | $312.20 | $195K | n/a |
| 3 Apr 2026 | Mills Regan | sell | 252 | $290.88 | $73.3K | n/a |
Nothing matches that search.
Related pages
Frequently asked questions
Who has bought TER?
16 Congress buys by 6 members and 0 insider buys are on file. The tables on this page list every one.
Did buying TER after a disclosure beat the market?
Across 13 scored buys, Congress averaged +4.7% against the S&P 500 (SPY) over the 90 days after disclosure, with 46% of them ahead of the index. That result is not distinguishable from luck. A single stock is a small sample.
Sources: Congressional trades: STOCK Act disclosures, collected from CapitolTrades. Insider trades: SEC Form 4 filings, collected from Finviz. Prices: Yahoo Finance daily adjusted closes. Data as of 2026-09-29 (29 September 2026). About these sources.
Not investment advice. Past disclosed trades do not predict future returns. Disclosures are published late, so the trades shown are ones you could only have copied after the fact. Talk to a licensed adviser before you invest.