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sellWeak cluster of 210b5-1 plan

Regan Mills sold $262k of TER

President, Product Test at TERADYNE, INC. 788 shares at an average of $332.87, traded Feb 25, 2026, filed Feb 27, 2026.

Warning score
21
Value
$262k
788 shares
Holdings after
11,889
-6% from before
From 52-week low
+406%
low $67.66, close $342.56
From 52-week high
0%
high $342.56, as of Feb 25, 2026

Score components

  • Role
    President
    +20
  • Trade size
    $262k at market
    +13
  • Share of holdings sold
    Sold 6.2% 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 -7.6%, 3m +17.0%, 6m +11.0%.

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 Feb 27, 2026: +18.9%SPY +13.1% · excess +5.9%

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 0000904454-26-000130, as filed. Open on EDGAR

DateTransactionSharesPriceValueHoldings afterFiled
Feb 25, 2026SOpen-market sale
Common Stock10b5-1
-788$332.87$262k11,889Feb 27, 2026

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.

Regan Mills sold $262k of TER | InsiderTell