INNOVATIVE SOLUTIONS & SUPPO

Ticker: ISSC CUSIP: 45769N105 Class: COM

GROUP ONE TRADING, L.P.'s Holding History (CIK: 0000932540)

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

Q4 2025

Shares 5,377 Value ($000) $102 Avg Close $11.39 Range $8.13 - $20.39

Q3 2025

Shares 6,926 Value ($000) $87 Avg Close $13.96 Range $10.83 - $20.00

Q2 2025

Shares 13 Value ($000) $0 Avg Close $9.09 Range $5.30 - $14.37

Q4 2024

Shares 229 Value ($000) $2 Avg Close $7.50 Range $6.15 - $8.97

Q3 2022

Shares 500 Value ($000) $4 Avg Close $7.25 Range $5.77 - $9.23

Q2 2022

Shares 500 Value ($000) $4 Avg Close $7.97 Range $5.77 - $9.90

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	5,377	$102	$11.39	$8.13 - $20.39
Q3 2025	6,926	$87	$13.96	$10.83 - $20.00
Q2 2025	13	$0	$9.09	$5.30 - $14.37
Q4 2024	229	$2	$7.50	$6.15 - $8.97
Q3 2022	500	$4	$7.25	$5.77 - $9.23
Q2 2022	500	$4	$7.97	$5.77 - $9.90