VICOR CORP

Ticker: VICR CUSIP: 925815102 Class: Common Stock

CASTLEARK MANAGEMENT LLC's Holding History (CIK: 0001106832)

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

Q4 2021

Shares 97,125 Value ($000) $12,333 Avg Close $141.59 Range $112.60 - $164.76

Q3 2021

Shares 89,655 Value ($000) $12,028 Avg Close $119.49 Range $101.89 - $139.01

Q2 2021

Shares 23,080 Value ($000) $2,440 Avg Close $88.98 Range $74.08 - $106.50

Q1 2021

Shares 23,620 Value ($000) $2,008 Avg Close $94.14 Range $79.81 - $104.68

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2021	97,125	$12,333	$141.59	$112.60 - $164.76
Q3 2021	89,655	$12,028	$119.49	$101.89 - $139.01
Q2 2021	23,080	$2,440	$88.98	$74.08 - $106.50
Q1 2021	23,620	$2,008	$94.14	$79.81 - $104.68