TERADYNE INC

Ticker: TER CUSIP: 880770102 Class: EQTY

ARDSLEY ADVISORY PARTNERS LP's Holding History (CIK: 0000900529)

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

Q4 2025

Shares 60,000 Value ($000) $11,614 Avg Close $171.50 Range $131.65 - $205.00

Q3 2025

Shares 88,000 Value ($000) $12,112 Avg Close $109.09 Range $88.44 - $138.14

Q2 2025

Shares 15,900 Value ($000) $1,430 Avg Close $79.69 Range $65.55 - $91.58

Q4 2024

Shares 39,500 Value ($000) $4,974 Avg Close $117.75 Range $101.33 - $134.62

Q2 2024

Shares 51,800 Value ($000) $7,681 Avg Close $126.14 Range $95.11 - $151.26

Q1 2024

Shares 26,500 Value ($000) $2,990 Avg Close $103.38 Range $91.51 - $112.64

Q3 2023

Shares 5,750 Value ($000) $578 Avg Close $104.39 Range $93.98 - $117.94

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	60,000	$11,614	$171.50	$131.65 - $205.00
Q3 2025	88,000	$12,112	$109.09	$88.44 - $138.14
Q2 2025	15,900	$1,430	$79.69	$65.55 - $91.58
Q4 2024	39,500	$4,974	$117.75	$101.33 - $134.62
Q2 2024	51,800	$7,681	$126.14	$95.11 - $151.26
Q1 2024	26,500	$2,990	$103.38	$91.51 - $112.64
Q3 2023	5,750	$578	$104.39	$93.98 - $117.94