OKLO INC

Ticker: OKLO CUSIP: 02156V109 Class: EQTY

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

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

Q3 2025

Shares 40,153 Value ($000) $4,482 Avg Close $78.30 Range $50.08 - $144.49

Q2 2025

Shares 60,068 Value ($000) $3,363 Avg Close $38.57 Range $17.42 - $73.55

Q1 2025

Shares 68,279 Value ($000) $1,477 Avg Close $33.79 Range $20.76 - $59.14

Q4 2024

Shares 408,037 Value ($000) $8,663 Avg Close $19.38 Range $7.90 - $28.12

Q2 2024

Shares 66,523 Value ($000) $563 Avg Close $11.25 Range $7.05 - $18.80

Q1 2024

Shares 78,435 Value ($000) $896 Avg Close $10.75 Range $10.52 - $11.46

Period	Shares	Value ($000)	Average Close	Price Range
Q3 2025	40,153	$4,482	$78.30	$50.08 - $144.49
Q2 2025	60,068	$3,363	$38.57	$17.42 - $73.55
Q1 2025	68,279	$1,477	$33.79	$20.76 - $59.14
Q4 2024	408,037	$8,663	$19.38	$7.90 - $28.12
Q2 2024	66,523	$563	$11.25	$7.05 - $18.80
Q1 2024	78,435	$896	$10.75	$10.52 - $11.46