RAMBUS INC DEL

Ticker: RMBS CUSIP: 750917106 Class: EQTY

PEAK6 LLC's Holding History (CIK: 0001389958)

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

Q4 2025

Shares 17,648 Value ($000) $1,622 Avg Close $98.40 Range $82.51 - $114.55

Q2 2025

Shares 40,887 Value ($000) $2,618 Avg Close $53.58 Range $40.12 - $64.90

Q1 2025

Shares 38,261 Value ($000) $1,981 Avg Close $58.74 Range $50.01 - $69.15

Q4 2024

Shares 18,559 Value ($000) $981 Avg Close $50.98 Range $39.56 - $60.84

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	17,648	$1,622	$98.40	$82.51 - $114.55
Q2 2025	40,887	$2,618	$53.58	$40.12 - $64.90
Q1 2025	38,261	$1,981	$58.74	$50.01 - $69.15
Q4 2024	18,559	$981	$50.98	$39.56 - $60.84