RAMBUS INC DEL

Ticker: RMBS CUSIP: 750917106 Class: EQTY

Portside Wealth Group, LLC's Holding History (CIK: 0001978608)

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

Q4 2025

Shares 11,515 Value ($000) $1,058 Avg Close $98.40 Range $82.51 - $114.55

Q3 2025

Shares 10,218 Value ($000) $1,065 Avg Close $77.09 Range $61.16 - $109.15

Q2 2025

Shares 8,889 Value ($000) $569 Avg Close $53.58 Range $40.12 - $64.90

Q1 2025

Shares 8,924 Value ($000) $462 Avg Close $58.74 Range $50.01 - $69.15

Q4 2024

Shares 4,656 Value ($000) $246 Avg Close $50.98 Range $39.56 - $60.84

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	11,515	$1,058	$98.40	$82.51 - $114.55
Q3 2025	10,218	$1,065	$77.09	$61.16 - $109.15
Q2 2025	8,889	$569	$53.58	$40.12 - $64.90
Q1 2025	8,924	$462	$58.74	$50.01 - $69.15
Q4 2024	4,656	$246	$50.98	$39.56 - $60.84