RUBICON TECHNOLOGY INC

Ticker: RBCN CUSIP: 78112T206 Class: Equities

Rockefeller Capital Management L.P.'s Holding History (CIK: 0001739439)

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

Q4 2022

Shares 220 Value ($000) $0 Avg Close $1.88 Range $1.26 - $2.39

Q3 2022

Shares 220 Value ($000) $0 Avg Close $10.79 Range $2.14 - $17.74

Q2 2022

Shares 220 Value ($000) $2 Avg Close $9.14 Range $8.58 - $9.68

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2022	220	$0	$1.88	$1.26 - $2.39
Q3 2022	220	$0	$10.79	$2.14 - $17.74
Q2 2022	220	$2	$9.14	$8.58 - $9.68