MERCURY SYS INC

Ticker: MRCY CUSIP: 589378108 Class: Common Stock

SG Americas Securities, LLC's Holding History (CIK: 0001313360)

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

Q4 2025

Shares 22,227 Value ($000) $2 Avg Close $74.39 Range $65.04 - $85.33

Q3 2025

Shares 11,104 Value ($000) $1 Avg Close $62.18 Range $49.54 - $78.75

Q2 2025

Shares 14,919 Value ($000) $1 Avg Close $48.71 Range $39.89 - $54.32

Q1 2025

Shares 24,504 Value ($000) $1 Avg Close $43.80 Range $39.42 - $52.25

Q2 2024

Shares 14,864 Value ($000) $0 Avg Close $29.17 Range $26.48 - $32.86

Q4 2023

Shares 42,506 Value ($000) $2 Avg Close $36.10 Range $31.04 - $39.59

Q3 2023

Shares 28,857 Value ($000) $1 Avg Close $36.89 Range $32.26 - $40.95

Q2 2023

Shares 41,640 Value ($000) $1 Avg Close $42.71 Range $28.90 - $52.95

Q1 2023

Shares 32,518 Value ($000) $2 Avg Close $50.53 Range $44.14 - $59.13

Q4 2022

Shares 5,490 Value ($000) $0 Avg Close $47.30 Range $40.89 - $53.66

Q3 2022

Shares 25,955 Value ($000) $1,054 Avg Close $52.40 Range $40.48 - $65.00

Q2 2022

Shares 33,309 Value ($000) $2,143 Avg Close $59.66 Range $53.76 - $68.08

Q1 2022

Shares 41,051 Value ($000) $2,646 Avg Close $59.38 Range $49.79 - $72.28

Q4 2021

Shares 28,027 Value ($000) $1,543 Avg Close $50.65 Range $46.44 - $56.45

Q3 2021

Shares 22,672 Value ($000) $1,075 Avg Close $55.58 Range $44.44 - $67.98

Q2 2021

Shares 10,069 Value ($000) $667 Avg Close $69.11 Range $52.40 - $79.45

Q1 2021

Shares 9,012 Value ($000) $637 Avg Close $72.27 Range $59.88 - $88.80

Q4 2020

Shares 56,926 Value ($000) $5,013 Avg Close $75.98 Range $66.00 - $88.96

Q2 2020

Shares 27,538 Value ($000) $2,166 Avg Close $81.87 Range $65.87 - $96.29

Q1 2020

Shares 40,930 Value ($000) $2,920 Avg Close $75.77 Range $52.24 - $87.57

Q4 2019

Shares 9,967 Value ($000) $689 Avg Close $72.04 Range $67.70 - $82.13

Q3 2019

Shares 12,173 Value ($000) $988 Avg Close $79.00 Range $67.40 - $89.44

Q2 2019

Shares 40,050 Value ($000) $2,818 Avg Close $69.39 Range $63.39 - $79.83

Q1 2019

Shares 2,163 Value ($000) $139 Avg Close $57.65 Range $43.01 - $67.85

Q4 2018

Shares 67,584 Value ($000) $3,196 Avg Close $48.76 Range $41.16 - $55.82

Q1 2018

Shares 21,684 Value ($000) $1,048 Avg Close $47.69 Range $41.64 - $52.59

Q4 2017

Shares 19,412 Value ($000) $997 Avg Close $51.31 Range $47.69 - $55.00

Q3 2017

Shares 24,155 Value ($000) $1,253 Avg Close $46.11 Range $39.96 - $52.00

Q4 2016

Shares 3,646 Value ($000) $110 Avg Close $28.41 Range $22.31 - $32.75

Q3 2016

Shares 5,950 Value ($000) $146 Avg Close $24.01 Range $21.52 - $26.37

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	22,227	$2	$74.39	$65.04 - $85.33
Q3 2025	11,104	$1	$62.18	$49.54 - $78.75
Q2 2025	14,919	$1	$48.71	$39.89 - $54.32
Q1 2025	24,504	$1	$43.80	$39.42 - $52.25
Q2 2024	14,864	$0	$29.17	$26.48 - $32.86
Q4 2023	42,506	$2	$36.10	$31.04 - $39.59
Q3 2023	28,857	$1	$36.89	$32.26 - $40.95
Q2 2023	41,640	$1	$42.71	$28.90 - $52.95
Q1 2023	32,518	$2	$50.53	$44.14 - $59.13
Q4 2022	5,490	$0	$47.30	$40.89 - $53.66
Q3 2022	25,955	$1,054	$52.40	$40.48 - $65.00
Q2 2022	33,309	$2,143	$59.66	$53.76 - $68.08
Q1 2022	41,051	$2,646	$59.38	$49.79 - $72.28
Q4 2021	28,027	$1,543	$50.65	$46.44 - $56.45
Q3 2021	22,672	$1,075	$55.58	$44.44 - $67.98
Q2 2021	10,069	$667	$69.11	$52.40 - $79.45
Q1 2021	9,012	$637	$72.27	$59.88 - $88.80
Q4 2020	56,926	$5,013	$75.98	$66.00 - $88.96
Q2 2020	27,538	$2,166	$81.87	$65.87 - $96.29
Q1 2020	40,930	$2,920	$75.77	$52.24 - $87.57
Q4 2019	9,967	$689	$72.04	$67.70 - $82.13
Q3 2019	12,173	$988	$79.00	$67.40 - $89.44
Q2 2019	40,050	$2,818	$69.39	$63.39 - $79.83
Q1 2019	2,163	$139	$57.65	$43.01 - $67.85
Q4 2018	67,584	$3,196	$48.76	$41.16 - $55.82
Q1 2018	21,684	$1,048	$47.69	$41.64 - $52.59
Q4 2017	19,412	$997	$51.31	$47.69 - $55.00
Q3 2017	24,155	$1,253	$46.11	$39.96 - $52.00
Q4 2016	3,646	$110	$28.41	$22.31 - $32.75
Q3 2016	5,950	$146	$24.01	$21.52 - $26.37