Teradyne, Inc.
Teradyne, Inc. (TER) Insider Trading
Form 4 buy vs sell counts, ratio, and sentiment — switch this quarter or last 12 months; chart and transactions below.
SEC EDGAR · FMP · TER · as of Jun 8, 2026
Activity summary
Buy transactions
0
P-Purchase only
Sell transactions
20
12 Months
Buy/Sell ratio
0.00
Buy/Sell (by trades)
Overall sentiment
Teradyne, Inc. insiders have been primarily selling shares over the past 12 Months. Selling activity is often driven by pre-scheduled Rule 10b5-1 plans rather than negative sentiment toward the company.
▸ Source: SEC EDGAR · Form 3 & 4 · via Financial Modeling Prep · Buy = P-Purchase only · Sell = S-Sale only
As of Jun 8, 2026
TER insider buying and selling by quarter
TER insider selling · TER insider buying stocks · quarterly insider activity
Mobile shows last 4Q · Desktop shows full 8Q
▸ Source: SEC EDGAR · Form 3 & 4 · via Financial Modeling Prep · last 8 quarters
As of Jun 8, 2026
Active insiders
Most active in past 12 months · TER ceo insider trading
Showing all insiders · Click a card to filter the transactions table below
▸ Aggregated from reportingName · top 5 by trade count (12M) · no extra API
Recent insider transactions
TER executive sell shares · TER board member insider trading · TER insider trading SEC filing
Scroll horizontally to see all columns
| Date | Insider | Type | Shares | Value | Filing |
|---|---|---|---|---|---|
| May 21, 2026 | Poulin Shannon John President, Semiconductor Test | Option | 2,843 | $235K | Form 4 |
| May 21, 2026 | Poulin Shannon John President, Semiconductor Test | Other | 1,531 | $530K | Form 4 |
| May 22, 2026 | Poulin Shannon John President, Semiconductor Test | Sale | 656 | $233K | Form 4 |
| May 21, 2026 | Poulin Shannon John President, Semiconductor Test | Sale | 1,008 | $348K | Form 4 |
| May 21, 2026 | MATZ MARILYN Director | Sale | 400 | $140K | Form 4 |
| May 15, 2026 | Smith Gregory Stephen President and CEO · Director | Option | 4,597 | $331K | Form 4 |
| May 15, 2026 | Smith Gregory Stephen President and CEO · Director | Sale | 8,597 | $2.91M⚡ | Form 4 |
| May 15, 2026 | MATZ MARILYN Director | Sale | 800 | $271K | Form 4 |
| May 8, 2026 | Herweck Peter Director | Award | 668 | — | Form 4 |
| May 8, 2026 | JOHNSON MERCEDES Director | Award | 668 | — | Form 4 |
| May 8, 2026 | MATZ MARILYN Director | Award | 668 | — | Form 4 |
| May 8, 2026 | van Kralingen Bridget A Director | Award | 668 | — | Form 4 |
| May 8, 2026 | TUFANO PAUL J Director | Award | 668 | — | Form 4 |
| May 8, 2026 | Sayiner Necip Director | Award | 668 | — | Form 4 |
| May 8, 2026 | MADDOCK ERNEST E Director | Award | 668 | — | Form 4 |
| May 8, 2026 | Henry Andrew Chisholm Director | Award | 668 | — | Form 4 |
| May 7, 2026 | Driscoll Ryan VP, General Counsel, Secretary | Sale | 680 | $257K | Form 4 |
| Apr 8, 2026 | Mills Regan President, Product Test | Sale | 16 | $5K | Form 4 |
| Apr 6, 2026 | JOHNSON MERCEDES Director | Sale | 625 | $195K | Form 4 |
| Apr 1, 2026 | Poulin Shannon John President, Semiconductor Test | Other | 1,162 | $363K | Form 4 |
| Apr 1, 2026 | Mills Regan President, Product Test | Other | 222 | $69K | Form 4 |
| Apr 2, 2026 | Mills Regan President, Product Test | Sale | 252 | $73K | Form 4 |
| Mar 26, 2026 | Herweck Peter Director | Award | 92 | — | Form 4 |
| Mar 26, 2026 | TUFANO PAUL J Director | Award | 159 | — | Form 4 |
| Mar 26, 2026 | Henry Andrew Chisholm Director | Award | 75 | — | Form 4 |
Poulin Shannon John
President, Semiconductor Test
Date
May 21
Shares
2,843
Price
$82.61
Value
$235K
Poulin Shannon John
President, Semiconductor Test
Date
May 21
Shares
1,531
Price
$345.98
Value
$530K
Poulin Shannon John
President, Semiconductor Test
Date
May 22
Shares
656
Price
$355.00
Value
$233K
Poulin Shannon John
President, Semiconductor Test
Date
May 21
Shares
1,008
Price
$345.37
Value
$348K
Smith Gregory Stephen
President and CEO · Director
Date
May 15
Shares
4,597
Price
$72.10
Value
$331K
Smith Gregory Stephen
President and CEO · Director
Date
May 15
Shares
8,597
Price
$338.98
Value
$2.91M ⚡
Driscoll Ryan
VP, General Counsel, Secretary
Date
May 7
Shares
680
Price
$377.60
Value
$257K
Poulin Shannon John
President, Semiconductor Test
Date
Apr 1
Shares
1,162
Price
$312.20
Value
$363K
Mills Regan
President, Product Test
Date
Apr 1
Shares
222
Price
$312.20
Value
$69K
⚡ = value ≥ $1M · Award/Option price shows — · formType=4 · securityName=Common Stock · url → sec.gov/Archives/edgar
▸ Source: SEC EDGAR · Form 4 filings · ⚡ = value ≥ $1M · Award/Option price shows —
About TER insider trading
TER insider trades
Teradyne, Inc. (TER) insider trading data is sourced from SEC Form 4 filings submitted by corporate insiders, including Smith Gregory Stephen (President and CEO · Director), JOHNSON MERCEDES (Director), Herweck Peter (Director). Over the past 12 months, 5 insiders have filed transactions with the SEC. TER insiders have been primarily selling, which may reflect pre-scheduled Rule 10b5-1 plan executions.
For Teradyne, Inc.'s institutional ownership breakdown and insider ownership percentage, see the Ownership tab → Ownership tab →
Frequently asked questions
TER insider trading · 5 questionsThe insiders of Teradyne, Inc. (TER) include executives and directors such as Smith Gregory Stephen (President and CEO · Director), JOHNSON MERCEDES (Director), Herweck Peter (Director), among others. Over the past 12 months, 5 insiders have filed Form 4 transactions with the SEC. Insider transactions are required to be reported within 2 business days of the trade date.
▸ Source: FMP /stable/insider-trading/search · SEC EDGAR Form 3 & 4 · acquisitionOrDisposition A=Buy, D=Sell · RSU vesting (M-Exempt) excluded from sentiment bar · As of Jun 8, 2026