ON24 INC

Ticker: ONTF CUSIP: 68339B104 Class: Common Stock

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

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

Q1 2023

Shares 7,252 Value ($000) $64 Avg Close $8.83 Range $7.20 - $11.20

Q4 2022

Shares 5,061 Value ($000) $44 Avg Close $8.02 Range $6.95 - $9.38

Q2 2022

Shares 300 Value ($000) $3 Avg Close $12.12 Range $8.54 - $14.06

Period	Shares	Value ($000)	Average Close	Price Range
Q1 2023	7,252	$64	$8.83	$7.20 - $11.20
Q4 2022	5,061	$44	$8.02	$6.95 - $9.38
Q2 2022	300	$3	$12.12	$8.54 - $14.06