TERADYNE INC

Ticker: TER CUSIP: 880770102 Class: EQTY

K2 PRINCIPAL FUND, L.P.'s Holding History (CIK: 0001461790)

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

Q4 2025

Shares 3,664 Value ($000) $709 Avg Close $171.50 Range $131.65 - $205.00

Q3 2025

Shares 12,000 Value ($000) $1,652 Avg Close $109.09 Range $88.44 - $138.14

Q2 2018

Shares 61,000 Value ($000) $2,322 Avg Close $37.48 Range $30.81 - $43.90

Q1 2018

Shares 5,000 Value ($000) $229 Avg Close $43.91 Range $37.63 - $48.70

Q4 2017

Shares 104,200 Value ($000) $4,363 Avg Close $39.50 Range $35.71 - $42.73

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	3,664	$709	$171.50	$131.65 - $205.00
Q3 2025	12,000	$1,652	$109.09	$88.44 - $138.14
Q2 2018	61,000	$2,322	$37.48	$30.81 - $43.90
Q1 2018	5,000	$229	$43.91	$37.63 - $48.70
Q4 2017	104,200	$4,363	$39.50	$35.71 - $42.73