ADAR1 Capital Management, LLC - 10%+ Owner at Keros Therapeutics, Inc.

Insider Transactions and Holdings

Entity Type: Company
Role: 10%+ Owner
Stock Symbol: KROS on Nasdaq
Industry: Pharmaceutical Preparations
All Insider Reports: All Insider Reports

ADAR1 Capital Management, LLC - trading volume in the past year for Keros Therapeutics, Inc.

	Shares	%	Avg Price	Total $
Buys	+934K	14.8%	$10.13	+$9.46M
Sells	-5.39M	85.2%	$17.75	-$95.7M
Net	-4.46M	-70.5%		-$86.2M

Holdings reported by ADAR1 Capital Management, LLC for Keros Therapeutics, Inc.

Security	Num Shares	Value	Price $	Transaction Date	Ownership	Underlying Class	Underlying Amount
Common Stock	0	$0	$17.75	Oct 15, 2025	By ADAR1 Partners, LP
Common Stock	0	$0	$17.75	Oct 15, 2025	By ADAR1 SPVI, LP
Common Stock	0	$0	$17.75	Oct 15, 2025	By Spearhead Insurance Solutions IDF, LLC
Cash Settled Total Return Swaps	50K			Apr 9, 2025	By ADAR1 Partners, LP	Common Stock
Put Option (obligation to buy)	0			May 16, 2025	By ADAR1 Partners, LP	Common Stock
Put Option (obligation to buy)	0			May 16, 2025	By Spearhead Insurance Solutions IDF, LLC	Common Stock
Put Option (right to sell)	0			Jun 20, 2025	By ADAR1 Partners, LP	Common Stock
Put Option (right to sell)	0			Jun 20, 2025	By Spearhead Insurance Solutions IDF, LLC	Common Stock

Transactions reported by ADAR1 Capital Management, LLC for Keros Therapeutics, Inc.

Sym	Class	Transaction	%	Value $	* Price $	Shares	Shares After	Date	Ownership

* An asterisk sign (*) next to the price indicates that the price is likely invalid.