SYSTEM1 INC

Ticker: SST CUSIP: 87200P208 Class: Common Stock

MILLENNIUM MANAGEMENT LLC's Holding History (CIK: 0001273087)

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

Q4 2025

Shares 35,449 Value ($000) $139 Avg Close $5.17 Range $3.08 - $9.30

Q3 2025

Shares 38,561 Value ($000) $271 Avg Close $6.91 Range $4.95 - $9.27

Q2 2025

Shares 42,778 Value ($000) $237 Avg Close $4.44 Range $2.90 - $15.00

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	35,449	$139	$5.17	$3.08 - $9.30
Q3 2025	38,561	$271	$6.91	$4.95 - $9.27
Q2 2025	42,778	$237	$4.44	$2.90 - $15.00