OKLO INC

Ticker: OKLO CUSIP: 02156V109 Class: EQTY

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

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

Q4 2025

Shares 74,304 Value ($000) $5,332 Avg Close $111.52 Range $70.86 - $193.84

Q3 2025

Shares 169,596 Value ($000) $19 Avg Close $78.30 Range $50.08 - $144.49

Q4 2024

Shares 29,407 Value ($000) $1 Avg Close $19.38 Range $7.90 - $28.12

Q3 2024

Shares 5,141 Value ($000) $0 Avg Close $7.53 Range $5.35 - $9.76

Q2 2024

Shares 39,892 Value ($000) $0 Avg Close $11.25 Range $7.05 - $18.80

Q1 2024

Shares 22,297 Value ($000) $0 Avg Close $10.75 Range $10.52 - $11.46

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	74,304	$5,332	$111.52	$70.86 - $193.84
Q3 2025	169,596	$19	$78.30	$50.08 - $144.49
Q4 2024	29,407	$1	$19.38	$7.90 - $28.12
Q3 2024	5,141	$0	$7.53	$5.35 - $9.76
Q2 2024	39,892	$0	$11.25	$7.05 - $18.80
Q1 2024	22,297	$0	$10.75	$10.52 - $11.46