SYSTEM1 INC

Ticker: SST CUSIP: 87200P208 Class: Common Stock

MARSHALL WACE, LLP's Holding History (CIK: 0001318757)

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

Q3 2025

Shares 36,271 Value ($000) $255 Avg Close $6.91 Range $4.95 - $9.27

Period	Shares	Value ($000)	Average Close	Price Range
Q3 2025	36,271	$255	$6.91	$4.95 - $9.27