INVESTAR HLDG CORP

Ticker: ISTR CUSIP: 46134L105 Class: Common Stock

Optiver Holding B.V.'s Holding History (CIK: 0001859606)

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

Q4 2025

Shares 178 Value ($000) $5 Avg Close $24.59 Range $21.43 - $27.95

Q3 2025

Shares 178 Value ($000) $4 Avg Close $22.44 Range $19.17 - $23.70

Q4 2021

Shares 856 Value ($000) $19 Avg Close $18.74 Range $17.07 - $22.47

Q3 2021

Shares 856 Value ($000) $19 Avg Close $22.22 Range $21.08 - $23.51

Q2 2021

Shares 856 Value ($000) $20 Avg Close $22.09 Range $20.30 - $23.69

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	178	$5	$24.59	$21.43 - $27.95
Q3 2025	178	$4	$22.44	$19.17 - $23.70
Q4 2021	856	$19	$18.74	$17.07 - $22.47
Q3 2021	856	$19	$22.22	$21.08 - $23.51
Q2 2021	856	$20	$22.09	$20.30 - $23.69