TER Teradyne, Inc.

NASDAQ
$329.20

Teradyne, Inc. (TER) Insider Activity

What the officers, directors and large holders did with their own shares. Only open-market purchases and sales count toward the totals — grants, option exercises and shares withheld for tax are compensation mechanics, not decisions, and they're listed separately below.

Insider signal Bearish Selling ran elevated versus TER's own trailing one-year pace, with 100% of sale value under a prearranged plan.
Cluster activity 0 buyers in the last 30 days 0 buyers in the last 90 days 3 sellers in the last 90 days
Insiders buying
0
0 transactions
Insiders selling
6
18 transactions
Purchases
$0
0 shares
Sales
$10.9M
29,134 shares
Net activity
-$10.9M
purchases less sales

How much of that selling was preplanned? 100% planned / 0% discretionary

10b5-1 plan sales $10.9M 18 transactions · 29,134 shares
Discretionary sales $0 0 transactions · 0 shares

Largest single sale: $2.9M.

Where they traded

Buy Sell Dot area is proportional to transaction value.

No open-market insider purchase on record.

Recent open-market activity

Date Insider Role Action Shares Price Value Held after
Smith Gregory Stephen President and CEO Sell 10b5-1 4,000 $425.00 $1.7M 112,495 −3.4% of holding
MATZ MARILYN Director Sell 10b5-1 1,200 $425.00 $510.0K 15,041 −7.4% of holding
JOHNSON MERCEDES Director Sell 10b5-1 166 $358.15 $59.5K 6,531 −2.5% of holding
Smith Gregory Stephen President and CEO Sell 10b5-1 4,000 $356.31 $1.4M 116,495 −3.3% of holding
MATZ MARILYN Director Sell 10b5-1 1,200 $356.31 $427.6K 16,241 −6.9% of holding
JOHNSON MERCEDES Director Sell 10b5-1 167 $460.00 $76.8K 6,697 −2.4% of holding
Smith Gregory Stephen President and CEO Sell 10b5-1 4,000 $423.03 $1.7M 120,470 −3.2% of holding
MATZ MARILYN Director Sell 10b5-1 1,200 $423.03 $507.6K 17,441 −6.4% of holding
JOHNSON MERCEDES Director Sell 10b5-1 167 $369.74 $61.7K 6,864 −2.4% of holding
Poulin Shannon John President, Semiconductor Test Sell 10b5-1 656 $355.00 $232.9K 15,722 −4% of holding
Poulin Shannon John President, Semiconductor Test Sell 10b5-1 1,008 $345.37 $348.1K 15,066 −6.3% of holding
MATZ MARILYN Director Sell 10b5-1 400 $350.00 $140.0K 18,641 −2.1% of holding
Smith Gregory Stephen President and CEO Sell 10b5-1 8,597 $338.98 $2.9M 124,470 −6.5% of holding
MATZ MARILYN Director Sell 10b5-1 800 $338.98 $271.2K 19,041 −4% of holding
Driscoll Ryan VP, General Counsel, Secretary Sell 10b5-1 680 $377.60 $256.8K 7,665 −8.1% of holding
Mills Regan President, Product Test Sell 10b5-1 16 $342.17 $5.5K 11,399 −0.1% of holding
JOHNSON MERCEDES Director Sell 10b5-1 625 $312.20 $195.1K 6,363 −8.9% of holding
Mills Regan President, Product Test Sell 10b5-1 252 $290.88 $73.3K 11,415 −2.2% of holding

Form 4s are due within two business days of a transaction, so this is close to real time — unlike the quarterly 13F data on the Institutional tab. A single large sale often reflects a prearranged 10b5-1 plan rather than a fresh view, so read a pattern of sales rather than any one of them.