KEROS THERAPEUTICS INC

Ticker: KROS CUSIP: 492327101 Class: Common Stock

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

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

Q4 2025

Shares 169 Value ($000) $3 Avg Close $17.54 Range $13.60 - $22.55

Q3 2025

Shares 212 Value ($000) $3 Avg Close $14.77 Range $13.13 - $16.30

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	169	$3	$17.54	$13.60 - $22.55
Q3 2025	212	$3	$14.77	$13.13 - $16.30