RAMBUS INC DEL

Ticker: RMBS CUSIP: 750917106 Class: EQTY

BOKF, NA's Holding History (CIK: 0000009634)

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

Q4 2025

Shares 10,766 Value ($000) $989 Avg Close $98.40 Range $82.51 - $114.55

Q3 2025

Shares 10,822 Value ($000) $1,128 Avg Close $77.09 Range $61.16 - $109.15

Q2 2025

Shares 10,764 Value ($000) $689 Avg Close $53.58 Range $40.12 - $64.90

Q4 2023

Shares 95 Value ($000) $6 Avg Close $62.29 Range $48.13 - $71.90

Q1 2023

Shares 1,065 Value ($000) $55 Avg Close $42.95 Range $34.77 - $51.31

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	10,766	$989	$98.40	$82.51 - $114.55
Q3 2025	10,822	$1,128	$77.09	$61.16 - $109.15
Q2 2025	10,764	$689	$53.58	$40.12 - $64.90
Q4 2023	95	$6	$62.29	$48.13 - $71.90
Q1 2023	1,065	$55	$42.95	$34.77 - $51.31