CERTARA INC

Ticker: CERT CUSIP: 15687V109 Class: None

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

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

Q3 2025

Shares 619 Value ($000) $8 Avg Close $10.94 Range $9.36 - $12.38

Q2 2025

Shares 6,895 Value ($000) $81 Avg Close $11.83 Range $8.63 - $15.38

Q1 2025

Shares 2,221 Value ($000) $22 Avg Close $12.15 Range $9.53 - $15.69

Q3 2024

Shares 300 Value ($000) $4 Avg Close $13.20 Range $10.35 - $16.93

Q2 2021

Shares 2,745 Value ($000) $78 Avg Close $27.77 Range $24.36 - $33.66

Period	Shares	Value ($000)	Average Close	Price Range
Q3 2025	619	$8	$10.94	$9.36 - $12.38
Q2 2025	6,895	$81	$11.83	$8.63 - $15.38
Q1 2025	2,221	$22	$12.15	$9.53 - $15.69
Q3 2024	300	$4	$13.20	$10.35 - $16.93
Q2 2021	2,745	$78	$27.77	$24.36 - $33.66