SYSTEM1 INC

Ticker: SST CUSIP: 87200P208 Class: Common Stock

XTX Topco Ltd's Holding History (CIK: 0001828301)

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

Q4 2025

Shares 12,376 Value ($000) $49 Avg Close $5.17 Range $3.08 - $9.30

Q3 2025

Shares 12,504 Value ($000) $88 Avg Close $6.91 Range $4.95 - $9.27

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	12,376	$49	$5.17	$3.08 - $9.30
Q3 2025	12,504	$88	$6.91	$4.95 - $9.27