RAMBUS INC DEL

Ticker: RMBS CUSIP: 750917106 Class: EQTY

CONGRESS ASSET MANAGEMENT CO /MA's Holding History (CIK: 0000897378)

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

Q4 2025

Shares 1,410,615 Value ($000) $129,621 Avg Close $98.40 Range $82.51 - $114.55

Q3 2025

Shares 1,347,185 Value ($000) $140,377 Avg Close $77.09 Range $61.16 - $109.15

Q2 2025

Shares 1,276,926 Value ($000) $81,749 Avg Close $53.58 Range $40.12 - $64.90

Q1 2025

Shares 1,199,564 Value ($000) $62,107 Avg Close $58.74 Range $50.01 - $69.15

Q4 2024

Shares 866,026 Value ($000) $45,778 Avg Close $50.98 Range $39.56 - $60.84

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	1,410,615	$129,621	$98.40	$82.51 - $114.55
Q3 2025	1,347,185	$140,377	$77.09	$61.16 - $109.15
Q2 2025	1,276,926	$81,749	$53.58	$40.12 - $64.90
Q1 2025	1,199,564	$62,107	$58.74	$50.01 - $69.15
Q4 2024	866,026	$45,778	$50.98	$39.56 - $60.84