MERCURY SYS INC

Ticker: MRCY CUSIP: 589378108 Class: Common Stock

Optiver Holding B.V.'s Holding History (CIK: 0001859606)

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

Q3 2025

Shares 3,063 Value ($000) $237 Avg Close $62.18 Range $49.54 - $78.75

Q2 2025

Shares 173 Value ($000) $9 Avg Close $48.71 Range $39.89 - $54.32

Period	Shares	Value ($000)	Average Close	Price Range
Q3 2025	3,063	$237	$62.18	$49.54 - $78.75
Q2 2025	173	$9	$48.71	$39.89 - $54.32