ADAR1 Capital Management, LLC

KROS

ADAR1 Capital Management, LLC serves as 10 percent owner at Keros Therapeutics, Inc. (KROS). This page tracks their complete SEC Form 4 insider trading history including stock purchases and sales.

Total Buys

6 trades

$13.79M

Total Sells

1 trades

$95.66M

Net Position

Net Seller

$81.87M

Companies Traded

RLYB, KROS, PVLA

Active Period

Aug 2024 – May 2026

7 total trades

Most Recent

Buy RLYB

May 20, 2026 · $226.6K

ADAR1 Capital Management, LLC's Insider Trading at Keros Therapeutics, Inc. (KROS)

Buys

1 · $9.46M

Sells

1 · $95.66M

Total Shares Bought

934,258

Total Shares Sold

5,389,264

KROS Price Chart

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Date	Type	Shares	Avg Price	Value	Shares After
Oct 15, 2025	Sell	5,389,264	$17.75	$95.66M	0
Apr 11, 2025	Buy	934,258	$10.13	$9.46M	4,392,737

ADAR1 Capital Management, LLC's Insider Trading at Rallybio Corporation (RLYB)

Buys

4 · $4.23M

Sells

0 · $0.00

Total Shares Bought

302,473

Total Shares Sold

RLYB Price Chart

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Date	Type	Shares	Avg Price	Value	Shares After
May 20, 2026	Buy	16,209	$13.98	$226.6K	926,352
May 15, 2026	Buy	79,559	$13.99	$1.11M	910,143
May 13, 2026	Buy	50,800	$14.00	$711.1K	830,584
May 6, 2026	Buy	155,905	$13.97	$2.18M	779,784