TER
TERADYNE, INC · Technology · Market cap $48.3B
Insiders sold $5.9M net in the last 90 days ·3 sellers, 0 buyers· 11 of 11 sales under Rule 10b5-1 plans· latest Form 4 filed Oct 22, 2026
Insider Buying
$0
reported purchases (SEC code P)
Insider Selling
$16.0M
reported sales (SEC code S)
Unique Insiders
6
in the rolling window
Latest filing
Oct 22, 2026
MATZ MARILYN
TERADYNE, INC (TER) has 76 SEC Form 4 filings (91 transaction rows) in the rolling window, disclosed by 6 distinct insiders. Most recent filing: Oct 22, 2026.
Inside the rolling window, 6 insiders at TERADYNE, INC reported no open-market purchases and 34 open-market sales totaling $16.0M. The most active filer is Director JOHNSON MERCEDES with 11 filings. Insiders have net sold $14.3M over the trailing 6 months. The most recent open-market filing is a sale of 400 shares by Director MATZ MARILYN, dated Oct 21, 2026, worth $140K.
- Industry:Semiconductors
- CEO:Gregory Stephen Smith
- Employees:6,600
- HQ:North Reading, MA, US
- IPO:1970-09-14
| Source | |||||||
|---|---|---|---|---|---|---|---|
| Director | Sale | 400 | $140K | Oct 22 | — | SEC ↗ | |
| President and CEO | Sale | 4,000 | $1.4M | Oct 19 | -8.0% | SEC ↗ | |
| Director | Sale | 800 | $273K | Oct 19 | -8.0% | SEC ↗ | |
| Director | Sale | 167 | $67K | Oct 2 | -31.2% | SEC ↗ | |
| Director | Sale | 400 | $140K | Sep 18 | -16.9% | SEC ↗ | |
| President and CEO | Sale | 4,000 | $1.4M | Sep 16 | -9.5% | SEC ↗ | |
| Director | Sale | 800 | $270K | Sep 16 | -9.5% | SEC ↗ | |
| Director | Sale | 167 | $57K | Sep 2 | -9.6% | SEC ↗ | |
| President and CEO | Sale | 4,000 | $1.7M | Aug 18 | -23.6% | SEC ↗ | |
| Director | Sale | 1,200 | $510K | Aug 18 | -23.6% | SEC ↗ | |
| Director | Sale | 166 | $59K | Aug 4 | — | SEC ↗ | |
| President and CEO | Sale | 4,000 | $1.4M | Jul 16 | — | SEC ↗ | |
| Director | Sale | 1,200 | $428K | Jul 16 | — | SEC ↗ | |
| Director | Sale | 167 | $77K | Jul 2 | — | SEC ↗ | |
| President and CEO | Sale | 4,000 | $1.7M | Jun 16 | — | SEC ↗ | |
| Director | Sale | 1,200 | $508K | Jun 16 | — | SEC ↗ | |
| Director | Sale | 167 | $62K | Jun 3 | — | SEC ↗ | |
Poulin Shannon JohnFirst filing | President, Semiconductor Test | Sale | 1,008 | $348K | May 26 | — | SEC ↗ |
Poulin Shannon JohnFirst filing | President, Semiconductor Test | Sale | 656 | $233K | May 26 | — | SEC ↗ |
| Director | Sale | 400 | $140K | May 26 | — | SEC ↗ | |
Smith Gregory StephenFirst in 5 months | President and CEO | Sale | 8,597 | $2.9M | May 19 | — | SEC ↗ |
MATZ MARILYNFirst filing | Director | Sale | 800 | $271K | May 19 | — | SEC ↗ |
Driscoll RyanFirst filing | VP, General Counsel, Secretary | Sale | 680 | $257K | May 11 | — | SEC ↗ |
| President, Product Test | Sale | 16 | $5K | Apr 9 | — | SEC ↗ | |
| Director | Sale | 625 | $195K | Apr 7 | — | SEC ↗ |
Earnings: last 7 quarters
Congress trading TER 26 all-time
- RSen. Alan ArmstrongPurchase$1,001 - $15,0002026-03-27
- RSen. Alan ArmstrongPurchase$1,001 - $15,0002026-03-27
- DRep. Ro KhannaPurchase$1,001 - $15,0002026-05-01
- RRep. Michael McCaulPurchase$15,001 - $50,0002026-04-29
- RRep. Michael T. McCaulPurchase$15,001 - $50,0002026-04-29
- RRep. Lisa C. McClainPurchase$1,001 - $15,0002025-06-17
STOCK Act disclosures are filed up to 45 days after the trade. Amount is a disclosed range, not an exact figure.
Frequently asked questions
How many SEC Form 4 insider filings does TER have?
TERADYNE, INC (TER) has 76 SEC Form 4 filings (91 transaction rows) in the rolling 365-day window, disclosed by 6 distinct insiders. Most recent filing: Oct 22, 2026.
When was the most recent SEC Form 4 filing for TER?
The most recent Form 4 filing for TER on Tracefour is dated Oct 22, 2026.
Who is the most active insider at TER?
The most active SEC Form 4 filer at TER in the rolling window is Director JOHNSON MERCEDES, with 11 filings.
What is the net insider flow at TER over the last 6 months?
Over the trailing 180 days, insiders at TER have net sold $14.3M based on SEC Form 4 disclosures.
What is the total insider buy and sell value at TER in the current window?
Inside the rolling window, insiders at TER bought $0 and sold $16.0M based on SEC Form 4 filings.
Can I get alerts for TER insider trading?
Yes. Tracefour sends a free email when a new SEC Form 4 purchase or sale is filed at TERADYNE, INC (TER). Alerts are set per company from the page itself, there is no paid tier, and each email links to the original filing on SEC EDGAR.
Related companies
TERADYNE, INC is in the Technology sector.