RIOT PLATFORMS INC

Ticker: RIOT CUSIP: 767292105 Class: Common Stock

WESTFIELD CAPITAL MANAGEMENT CO LP's Holding History (CIK: 0001177719)

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

Q3 2025

Shares 1,350,027 Value ($000) $25,691 Avg Close $13.85 Range $10.59 - $20.13

Q2 2025

Shares 1,730,296 Value ($000) $19,552 Avg Close $8.50 Range $6.19 - $11.44

Q1 2025

Shares 1,635,177 Value ($000) $11,642 Avg Close $10.37 Range $6.87 - $14.54

Period	Shares	Value ($000)	Average Close	Price Range
Q3 2025	1,350,027	$25,691	$13.85	$10.59 - $20.13
Q2 2025	1,730,296	$19,552	$8.50	$6.19 - $11.44
Q1 2025	1,635,177	$11,642	$10.37	$6.87 - $14.54