KEROS THERAPEUTICS INC

Ticker: KROS CUSIP: 492327101 Class: Common Stock

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

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

Q3 2025

Shares 14,483 Value ($000) $229 Avg Close $14.77 Range $13.13 - $16.30

Q2 2025

Shares 23,031 Value ($000) $307 Avg Close $13.50 Range $9.12 - $15.40

Q1 2025

Shares 49,694 Value ($000) $506 Avg Close $11.61 Range $9.71 - $16.70

Q4 2024

Shares 1,100 Value ($000) $17 Avg Close $51.97 Range $15.33 - $72.37

Q2 2022

Shares 100 Value ($000) $3 Avg Close $43.88 Range $24.38 - $68.29

Period	Shares	Value ($000)	Average Close	Price Range
Q3 2025	14,483	$229	$14.77	$13.13 - $16.30
Q2 2025	23,031	$307	$13.50	$9.12 - $15.40
Q1 2025	49,694	$506	$11.61	$9.71 - $16.70
Q4 2024	1,100	$17	$51.97	$15.33 - $72.37
Q2 2022	100	$3	$43.88	$24.38 - $68.29