VICOR CORP

Ticker: VICR CUSIP: 925815102 Class: Common Stock

Headlands Technologies LLC's Holding History (CIK: 0001570271)

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

Q4 2025

Shares 6,393 Value ($000) $701 Avg Close $85.01 Range $48.53 - $116.33

Q3 2025

Shares 11,248 Value ($000) $559 Avg Close $48.71 Range $41.76 - $63.00

Q1 2025

Shares 486 Value ($000) $23 Avg Close $53.00 Range $45.45 - $65.70

Q4 2024

Shares 2,901 Value ($000) $140 Avg Close $49.95 Range $39.99 - $61.05

Q2 2024

Shares 1,147 Value ($000) $38 Avg Close $34.51 Range $30.90 - $38.90

Q1 2024

Shares 577 Value ($000) $22 Avg Close $38.87 Range $35.00 - $48.20

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	6,393	$701	$85.01	$48.53 - $116.33
Q3 2025	11,248	$559	$48.71	$41.76 - $63.00
Q1 2025	486	$23	$53.00	$45.45 - $65.70
Q4 2024	2,901	$140	$49.95	$39.99 - $61.05
Q2 2024	1,147	$38	$34.51	$30.90 - $38.90
Q1 2024	577	$22	$38.87	$35.00 - $48.20