DELCATH SYS INC

Ticker: DCTH CUSIP: 24661P807 Class: Common Stock

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

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

Q4 2025

Shares 16,318 Value ($000) $165 Avg Close $9.94 Range $8.12 - $12.70

Q3 2025

Shares 1,886 Value ($000) $20 Avg Close $11.17 Range $9.87 - $13.55

Q1 2025

Shares 18,079 Value ($000) $230 Avg Close $14.19 Range $11.11 - $16.97

Q4 2024

Shares 23,158 Value ($000) $279 Avg Close $10.55 Range $8.08 - $13.30

Q4 2023

Shares 18,240 Value ($000) $76 Avg Close $3.27 Range $2.25 - $4.30

Q3 2023

Shares 18,019 Value ($000) $73 Avg Close $4.69 Range $2.82 - $7.27

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	16,318	$165	$9.94	$8.12 - $12.70
Q3 2025	1,886	$20	$11.17	$9.87 - $13.55
Q1 2025	18,079	$230	$14.19	$11.11 - $16.97
Q4 2024	23,158	$279	$10.55	$8.08 - $13.30
Q4 2023	18,240	$76	$3.27	$2.25 - $4.30
Q3 2023	18,019	$73	$4.69	$2.82 - $7.27