VICOR CORP

Ticker: VICR CUSIP: 925815102 Class: Common Stock

Penbrook Management LLC's Holding History (CIK: 0001381055)

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

Q4 2020

Shares 9,800 Value ($000) $904 Avg Close $83.99 Range $73.71 - $96.64

Q3 2020

Shares 9,800 Value ($000) $762 Avg Close $79.56 Range $70.90 - $90.88

Q2 2020

Shares 9,000 Value ($000) $648 Avg Close $56.15 Range $37.28 - $73.76

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2020	9,800	$904	$83.99	$73.71 - $96.64
Q3 2020	9,800	$762	$79.56	$70.90 - $90.88
Q2 2020	9,000	$648	$56.15	$37.28 - $73.76