LEIDOS HOLDINGS INC

Ticker: LDOS CUSIP: 525327102 Class: Common Stock

Summit Trail Advisors, LLC's Holding History (CIK: 0001698478)

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

Q4 2025

Shares 10,897 Value ($000) $1,966 Avg Close $189.10 Range $180.00 - $205.30

Q3 2025

Shares 10,519 Value ($000) $1,988 Avg Close $173.36 Range $155.62 - $190.25

Q2 2025

Shares 7,048 Value ($000) $1,112 Avg Close $146.85 Range $127.41 - $159.86

Q3 2020

Shares 2,432 Value ($000) $229 Avg Close $84.14 Range $78.18 - $92.91

Q4 2017

Shares 2,502 Value ($000) $163 Avg Close $55.54 Range $52.43 - $58.48

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	10,897	$1,966	$189.10	$180.00 - $205.30
Q3 2025	10,519	$1,988	$173.36	$155.62 - $190.25
Q2 2025	7,048	$1,112	$146.85	$127.41 - $159.86
Q3 2020	2,432	$229	$84.14	$78.18 - $92.91
Q4 2017	2,502	$163	$55.54	$52.43 - $58.48