ASP ISOTOPES INC

Ticker: ASPI CUSIP: 00218A105 Class: Common Stock

SIMPLEX TRADING, LLC's Holding History (CIK: 0001488542)

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

Q4 2025

Shares 93,716 Value ($000) $501 Avg Close $7.95 Range $5.24 - $14.49

Q3 2025

Shares 13,397 Value ($000) $0 Avg Close $9.22 Range $6.59 - $11.86

Q2 2025

Shares 240,150 Value ($000) $2 Avg Close $6.71 Range $3.92 - $10.08

Q1 2025

Shares 2,578 Value ($000) $0 Avg Close $4.99 Range $3.65 - $7.00

Q4 2024

Shares 1,279 Value ($000) $0 Avg Close $5.32 Range $2.61 - $9.33

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	93,716	$501	$7.95	$5.24 - $14.49
Q3 2025	13,397	$0	$9.22	$6.59 - $11.86
Q2 2025	240,150	$2	$6.71	$3.92 - $10.08
Q1 2025	2,578	$0	$4.99	$3.65 - $7.00
Q4 2024	1,279	$0	$5.32	$2.61 - $9.33