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sellWeak cluster of 210b5-1 plan

Gregory Stephen Smith sold $161k of TER

President and CEO at TERADYNE, INC. 1,108 shares at an average of $145.24, traded Oct 10, 2025, filed Oct 15, 2025.

Warning score
24
Value
$161k
1,108 shares
Holdings after
94,777
-1% from before
From 52-week low
+95%
low $67.66, close $131.82
From 52-week high
-11%
high $147.58, as of Oct 10, 2025

Score components

  • Role
    CEO
    +25
  • Trade size
    $161k at market
    +11
  • Share of holdings sold
    Sold 1.2% of holdings
    0
  • Cluster
    2 insiders selling within 14 days
    +8
  • 10b5-1 plan
    Pre-scheduled under a 10b5-1 plan
    -20

What happened after comparable sells

Same side and tier, against the S&P 500, at 1, 3 and 6 months. Shown to Pro users; the whole table is on the backtest page.

This signal so far: 1m +20.5%, 3m +63.3%, 6m +159.1%.

Price around the trade, and since

From a quarter before the trade to today. The arrow is the trade, the circle the day the filing reached EDGAR, which is the first day anyone outside could act; the dotted line is the S&P 500 rebased to that day's close.

TEROct 13, 2026 · close 380.29
Since filing Oct 15, 2025: +170.2%SPY +18.2% · excess +151.9%

Daily candles, adjusted for splits and dividends. Green arrows are insider buys, red are sells, sized by value; the dashed line is the close on the filing day, the dotted line SPY rebased to it.Charts by TradingView Lightweight Charts™

Rows in this filing

Every transaction in Form 4 0000904454-25-000484, as filed. Open on EDGAR

DateTransactionSharesPriceValueHoldings afterFiled
Oct 10, 2025SOpen-market sale
Common Stock10b5-1
-1,108$145.24$161k94,777Oct 15, 2025

Related signals

Other insiders at TERADYNE, INC and this insider’s other filings.

ScoreCompanyInsiderValueHoldingsFiled
11Weak
TERsell 210b5-1
TERADYNE, INC
Mercedes Johnson
director
$67k
167 shares
-3%
21Weak
TERsell 310b5-1
TERADYNE, INC
Marilyn Matz
director
$140k
400 shares
-3%
23Weak
TERsell 310b5-1
TERADYNE, INC
Marilyn Matz
director
$270k
800 shares
-5%
45Moderate
TERsell 310b5-1
TERADYNE, INC
Gregory Stephen Smith
President and CEO
$1.4M
4,000 shares
-4%
17Weak
TERsell 310b5-1
TERADYNE, INC
Mercedes Johnson
director
$57k
167 shares
-3%
28Weak
TERsell 310b5-1
TERADYNE, INC
Marilyn Matz
director
$510k
1,200 shares
-7%
45Moderate
TERsell 310b5-1
TERADYNE, INC
Gregory Stephen Smith
President and CEO
$1.7M
4,000 shares
-3%
17Weak
TERsell 310b5-1
TERADYNE, INC
Mercedes Johnson
director
$59k
166 shares
-2%
27Weak
TERsell 310b5-1
TERADYNE, INC
Marilyn Matz
director
$428k
1,200 shares
-7%
45Moderate
TERsell 310b5-1
TERADYNE, INC
Gregory Stephen Smith
President and CEO
$1.4M
4,000 shares
-3%

Not investment advice. Scores and forward returns are decision support built from public SEC filings and past prices; they describe what happened after comparable filings, not what will happen after this one. Do your own research and size your risk.

Gregory Stephen Smith sold $161k of TER | InsiderTell