MERCURY SYS INC

Ticker: MRCY CUSIP: 589378108 Class: Common Stock

Select Equity Group, L.P.'s Holding History (CIK: 0001592643)

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

Q4 2025

Shares 77,821 Value ($000) $5,682 Avg Close $74.39 Range $65.04 - $85.33

Q3 2025

Shares 103,848 Value ($000) $8,038 Avg Close $62.18 Range $49.54 - $78.75

Q2 2025

Shares 83,770 Value ($000) $4,512 Avg Close $48.71 Range $39.89 - $54.32

Q1 2025

Shares 18,551 Value ($000) $799 Avg Close $43.80 Range $39.42 - $52.25

Q2 2023

Shares 11,026 Value ($000) $381 Avg Close $42.71 Range $28.90 - $52.95

Q1 2023

Shares 9,719 Value ($000) $497 Avg Close $50.53 Range $44.14 - $59.13

Q4 2022

Shares 34,834 Value ($000) $1,558 Avg Close $47.30 Range $40.89 - $53.66

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	77,821	$5,682	$74.39	$65.04 - $85.33
Q3 2025	103,848	$8,038	$62.18	$49.54 - $78.75
Q2 2025	83,770	$4,512	$48.71	$39.89 - $54.32
Q1 2025	18,551	$799	$43.80	$39.42 - $52.25
Q2 2023	11,026	$381	$42.71	$28.90 - $52.95
Q1 2023	9,719	$497	$50.53	$44.14 - $59.13
Q4 2022	34,834	$1,558	$47.30	$40.89 - $53.66