Teradyne, Inc. (TER) Insider Trading
Over the last 3 months, TER insiders made 0 open-market buys and 11 sales, a net sale of -$6.6M (SEC Form 4). Over the last 6 months, 765 institutions increased and 729 reduced their position (13F).
Insider Activity
Sentiment
0/100
Buys (3m)
0
Sells (3m)
11
Net (3m)
-$6.6M
Insider trades by month Buys Sells
Jan
Feb
Mar
Apr
May
Jun
Context3-month price +63.2%Institutions accumulating (13F)
| Date | Insider | Type | Shares | Price |
|---|---|---|---|---|
| Jun 29, 2026 | Henry Andrew Chisholmdirector | Grant | 52 | — |
| Jun 29, 2026 | Herweck Peterdirector | Grant | 63 | — |
| Jun 29, 2026 | TUFANO PAUL Jdirector | Grant | 116 | — |
| Jun 16, 2026 | MATZ MARILYNdirector | Sell | 1,200 | $423.03 |
| Jun 16, 2026 | Smith Gregory Stephendirector, officer: President and CEO | Sell | 4,000 | $423.03 |
| May 26, 2026 | Poulin Shannon Johnofficer: President, Semiconductor Test | Sell | 656 | $355.00 |
| May 26, 2026 | Poulin Shannon Johnofficer: President, Semiconductor Test | Tax | 1,531 | $345.98 |
| May 26, 2026 | Poulin Shannon Johnofficer: President, Semiconductor Test | Option | 2,843 | $82.61 |
| May 26, 2026 | MATZ MARILYNdirector | Sell | 400 | $350.00 |
| May 26, 2026 | Poulin Shannon Johnofficer: President, Semiconductor Test | Sell | 1,008 | $345.37 |
| May 19, 2026 | Smith Gregory Stephendirector, officer: President and CEO | Option | 4,597 | $72.10 |
| May 19, 2026 | MATZ MARILYNdirector | Sell | 800 | $338.98 |
| May 19, 2026 | Smith Gregory Stephendirector, officer: President and CEO | Sell | 8,597 | $338.98 |
| May 12, 2026 | MATZ MARILYNdirector | Grant | 668 | — |
| May 12, 2026 | TUFANO PAUL Jdirector | Grant | 668 | — |
| May 12, 2026 | JOHNSON MERCEDESdirector | Grant | 668 | — |
| May 12, 2026 | Sayiner Necipdirector | Grant | 668 | — |
| May 12, 2026 | Henry Andrew Chisholmdirector | Grant | 668 | — |
| May 12, 2026 | MADDOCK ERNEST Edirector | Grant | 668 | — |
| May 12, 2026 | van Kralingen Bridget Adirector | Grant | 668 | — |
| May 12, 2026 | Herweck Peterdirector | Grant | 668 | — |
| May 11, 2026 | Driscoll Ryanofficer: VP, General Counsel, Secretary | Sell | 680 | $377.60 |
| Apr 9, 2026 | Mills Reganofficer: President, Product Test | Sell | 16 | $342.17 |
| Apr 7, 2026 | JOHNSON MERCEDESdirector | Sell | 625 | $312.20 |
| Apr 3, 2026 | Mills Reganofficer: President, Product Test | Tax | 222 | $312.20 |
| Apr 3, 2026 | Poulin Shannon Johnofficer: President, Semiconductor Test | Tax | 1,162 | $312.20 |
| Apr 3, 2026 | Mills Reganofficer: President, Product Test | Sell | 252 | $290.88 |
| Mar 30, 2026 | Herweck Peterdirector | Grant | 92 | — |
| Mar 30, 2026 | TUFANO PAUL Jdirector | Grant | 159 | — |
| Mar 30, 2026 | Henry Andrew Chisholmdirector | Grant | 75 | — |
Source: TER SEC Form 4 filings, latest Jun 29, 2026. For informational purposes only — not investment advice.
Institutional activity (13F)
How institutions changed their TER positions over the last 6 months (SEC Form 13F).
Increased
765
New positions
565
Reduced
729
Sold out
155
Largest moves
| Institution | Action | Shares | Filed |
|---|---|---|---|
| VANGUARD CAPITAL MANAGEMENT LLC | New Position | 20.4M | May 15, 2026 |
| VANGUARD GROUP INC | Reduced | 20.3M | Jan 29, 2026 |
| BLACKROCK, INC. | Increased | 16.3M | May 13, 2026 |
| BLACKROCK, INC. | Increased | 15.4M | Feb 12, 2026 |
| VANGUARD PORTFOLIO MANAGEMENT LLC | New Position | 8.6M | May 8, 2026 |
| STATE STREET CORP | Increased | 7.1M | Feb 13, 2026 |
| STATE STREET CORP | Reduced | 7.0M | May 15, 2026 |
| AMERIPRISE FINANCIAL INC | Reduced | 4.5M | Feb 17, 2026 |
| GEODE CAPITAL MANAGEMENT, LLC | Increased | 4.4M | May 15, 2026 |
| PRICE T ROWE ASSOCIATES INC /MD/ | Increased | 4.2M | Feb 17, 2026 |
| GEODE CAPITAL MANAGEMENT, LLC | Reduced | 4.2M | Feb 9, 2026 |
| FMR LLC | Increased | 3.6M | May 15, 2026 |
| JPMORGAN CHASE & CO | Reduced | 3.5M | Feb 11, 2026 |
| ALLSPRING GLOBAL INVESTMENTS HOLDINGS, LLC | Reduced | 3.3M | Jan 15, 2026 |
| INVESCO LTD. | Reduced | 3.0M | Feb 19, 2026 |
Source: SEC Form 13F filings. For informational purposes only — not investment advice.