Teradyne, Inc
TER- Exchange
- Nasdaq
- Industry
- Instruments For Meas & Testing of Electricity & Elec Signals
- SEC CIK
- 0000097210
In the last 90 days, Teradyne, Inc insiders filed 0 open-market purchases and 10 sales; 1,428 institutions reported holding it in 13F filings for Q2 2026, worth $73.2B in total; 3 superinvestors hold it, including Lone Pine Capital and ARK Invest.
Members of Congress who traded TER
Since 2020, newest trade first. Options and trades reported under an earlier ticker are included.
- Trades
- 15
- Filings
- 12
- Members
- 6
- Buys / sells
- 8 / 7
- Estimated volume
- $120.0K
- Sum of range midpoints
| Member | Trades | Buys / sells | Est. volume | Last traded | Last filed |
|---|---|---|---|---|---|
| Alan ArmstrongRepublican · Senate · OK | 1 | 1 / 0 | $8.00K | Mar 27, 2026 | Jul 21, 2026 |
| Lisa C. McClainRepublican · House · MI | 4 | 2 / 2 | $32.0K | Oct 31, 2025 | Nov 21, 2025 |
| Julie JohnsonDemocrat · House · TX | 3 | 1 / 2 | $24.0K | Apr 1, 2025 | May 14, 2025 |
| Tommy TubervilleRepublican · Senate · AL | 2 | 1 / 1 | $16.0K | May 3, 2024 | Aug 5, 2026 |
| Susie LeeDemocrat · House · NV | 3 | 2 / 1 | $24.0K | Jun 9, 2021 | Jul 13, 2021 |
| Donna E. ShalalaDemocrat · House · FL | 2 | 1 / 1 | $16.0K | Jun 24, 2019 | Apr 27, 2020 |
Trades
Every reported trade in Teradyne, Inc, newest filings first.
| Member | Asset | Type | Owner | Traded | Filed | Delay | Amount | Source |
|---|---|---|---|---|---|---|---|---|
| Donna E. ShalalaDemocrat · House · FL | TERTeradyne, Inc. | Sell | Self | Jun 24, 2019 | Apr 27, 2020 | 308 daysLate | $1K-$15K | Filing |
| Donna E. ShalalaDemocrat · House · FL | TERTeradyne, Inc. | Buy | Self | Mar 6, 2019 | Apr 27, 2020 | 418 daysLate | $1K-$15K | Filing |
| Susie LeeDemocrat · House · NV | TERTeradyne, Inc. | Buy | Joint | Feb 23, 2021 | Mar 11, 2021 | 16 days | $1K-$15K | Filing |
| Susie LeeDemocrat · House · NV | TERTeradyne, Inc. | Buy | Joint | Apr 1, 2021 | May 10, 2021 | 39 days | $1K-$15K | Filing |
| Susie LeeDemocrat · House · NV | TERTeradyne, Inc. | Sell | Joint | Jun 9, 2021 | Jul 13, 2021 | 34 days | $1K-$15K | Filing |
| Tommy TubervilleRepublican · Senate · AL | TERTeradyne, Inc. | Buy | Joint | Mar 29, 2021 | Jul 23, 2021 | 116 daysLate | $1K-$15K | Filing |
| Julie JohnsonDemocrat · House · TX | TERTeradyne, Inc. | Buy | Joint | Feb 12, 2025 | Mar 12, 2025 | 28 days | $1K-$15K | Filing |
| Julie JohnsonDemocrat · House · TX | TERTeradyne, Inc. | Sell | Joint | Mar 3, 2025 | Apr 14, 2025 | 42 days | $1K-$15K | Filing |
| Julie JohnsonDemocrat · House · TX | TERTeradyne, Inc. | Sell | Joint | Apr 1, 2025 | May 14, 2025 | 43 days | $1K-$15K | Filing |
| Lisa C. McClainRepublican · House · MI | TERTeradyne, Inc. | Buy | Spouse | Jun 17, 2025 | Aug 13, 2025 | 57 daysLate | $1K-$15K | Filing |
| Lisa C. McClainRepublican · House · MI | TERTeradyne, Inc. | Sell | Spouse | Oct 30, 2025 | Nov 21, 2025 | 22 days | $1K-$15K | Filing |
| Lisa C. McClainRepublican · House · MI | TERTeradyne, Inc. | Buy | Spouse | Oct 30, 2025 | Nov 21, 2025 | 22 days | $1K-$15K | Filing |
| Lisa C. McClainRepublican · House · MI | TERTeradyne, Inc. | Sell | Spouse | Oct 31, 2025 | Nov 21, 2025 | 21 days | $1K-$15K | Filing |
| Alan ArmstrongRepublican · Senate · OK | TERTeradyne, Inc. - Common Stock | Buy | Self | Mar 27, 2026 | Jul 21, 2026 | 116 daysLate | $1K-$15K | Filing |
| Tommy TubervilleRepublican · Senate · AL | TERTeradyne, Inc. - Common Stock | Sell (full) | Joint | May 3, 2024 | Aug 5, 2026Amended | 42 days | $1K-$15K | Filing |
Source: U.S. House Clerk and Senate Office of Public Records (eFD). Amounts are the ranges filers report.