TERADYNE INC

Ticker: TER CUSIP: 880770102 Class: EQTY

WELCH & FORBES LLC's Holding History (CIK: 0000105495)

Note: Option positions (PUT/CALL) are excluded.

Q4 2025

Shares 2,955 Value ($000) $572 Avg Close $171.50 Range $131.65 - $205.00

Q3 2025

Shares 2,955 Value ($000) $407 Avg Close $109.09 Range $88.44 - $138.14

Q2 2025

Shares 2,955 Value ($000) $266 Avg Close $79.69 Range $65.55 - $91.58

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	2,955	$572	$171.50	$131.65 - $205.00
Q3 2025	2,955	$407	$109.09	$88.44 - $138.14
Q2 2025	2,955	$266	$79.69	$65.55 - $91.58