KEROS THERAPEUTICS INC

Ticker: KROS CUSIP: 492327101 Class: Common Stock

Polymer Capital Management (US) LLC's Holding History (CIK: 0001973324)

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

Q4 2025

Shares 17,495 Value ($000) $356 Avg Close $17.54 Range $13.60 - $22.55

Q3 2025

Shares 11,148 Value ($000) $176 Avg Close $14.77 Range $13.13 - $16.30

Q2 2025

Shares 27,181 Value ($000) $363 Avg Close $13.50 Range $9.12 - $15.40

Q1 2025

Shares 11,541 Value ($000) $118 Avg Close $11.61 Range $9.71 - $16.70

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	17,495	$356	$17.54	$13.60 - $22.55
Q3 2025	11,148	$176	$14.77	$13.13 - $16.30
Q2 2025	27,181	$363	$13.50	$9.12 - $15.40
Q1 2025	11,541	$118	$11.61	$9.71 - $16.70