ATS CORPORATION

Ticker: ATS CUSIP: 00217Y104 Class: Foreign Stock

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

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

Q3 2025

Shares 67 Value ($000) $0 Avg Close $28.81 Range $25.63 - $32.73

Q2 2025

Shares 3,630 Value ($000) $0 Avg Close $27.39 Range $20.90 - $32.14

Q4 2024

Shares 8,065 Value ($000) $0 Avg Close $30.36 Range $27.33 - $33.13

Q2 2024

Shares 88 Value ($000) $0 Avg Close $32.27 Range $29.78 - $35.42

Q1 2024

Shares 86 Value ($000) $0 Avg Close $39.69 Range $33.34 - $44.70

Period	Shares	Value ($000)	Average Close	Price Range
Q3 2025	67	$0	$28.81	$25.63 - $32.73
Q2 2025	3,630	$0	$27.39	$20.90 - $32.14
Q4 2024	8,065	$0	$30.36	$27.33 - $33.13
Q2 2024	88	$0	$32.27	$29.78 - $35.42
Q1 2024	86	$0	$39.69	$33.34 - $44.70