RAMBUS INC DEL

Ticker: RMBS CUSIP: 750917106 Class: EQTY

OBERWEIS ASSET MANAGEMENT INC/'s Holding History (CIK: 0000937886)

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

Q4 2025

Shares 462,100 Value ($000) $42,462 Avg Close $98.40 Range $82.51 - $114.55

Q3 2025

Shares 507,899 Value ($000) $52,923 Avg Close $77.09 Range $61.16 - $109.15

Q2 2025

Shares 505,780 Value ($000) $32,380 Avg Close $53.58 Range $40.12 - $64.90

Q1 2025

Shares 507,350 Value ($000) $26,268 Avg Close $58.74 Range $50.01 - $69.15

Q4 2024

Shares 409,400 Value ($000) $21,641 Avg Close $50.98 Range $39.56 - $60.84

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	462,100	$42,462	$98.40	$82.51 - $114.55
Q3 2025	507,899	$52,923	$77.09	$61.16 - $109.15
Q2 2025	505,780	$32,380	$53.58	$40.12 - $64.90
Q1 2025	507,350	$26,268	$58.74	$50.01 - $69.15
Q4 2024	409,400	$21,641	$50.98	$39.56 - $60.84