Sign in

CIK 0001664710 · Non-accelerated filer<br>Smaller reporting company

Keros Therapeutics, Inc.

Sign in to watch
Ticker
KROS
Exchange
Nasdaq
Industry
Pharmaceutical Preparations
FY end
Dec 31
Entity type
operating
EIN
811173868
Phone
617-314-6297
Business address
1050 WALTHAM STREET, SUITE 302, LEXINGTON, MA, 02421
Open-market buys, last 90 days
$10,270
in 1 filing
Open-market sales, last 90 days
$101,136
in 4 filings, $6K under 10b5-1 plans

Net −$90,866. Shares bought or sold at a price by officers, directors and 10% owners (Form 4 codes P and S). Grants, option exercises and tax withholding aren't counted.

Reading 78 more Form 4s from the SEC; this list fills in as they're read.

Date Insider Transaction Shares Price Value Owned after
2025-04-09 ADAR1 Capital Management, LLC 10% owner Purchase +18,560 $9.40 $174K 3,493,404
2025-04-09 ADAR1 Capital Management, LLC 10% owner Purchase +16,365 $9.40 $154K 743,558
2025-04-09 ADAR1 Capital Management, LLC 10% owner Purchase +325,000 $9.86 $3.2M 3,818,404
2025-04-09 ADAR1 Capital Management, LLC 10% owner Purchase +500,000 $10.33 $5.2M 4,318,404
2025-04-09 ADAR1 Capital Management, LLC 10% owner Purchase +74,333 $10.33 $768K 4,392,737
2025-04-09 ADAR1 Capital Management, LLC 10% owner Other disposition · Cash-Settled Total Return Swaps −325,000 624,333
2025-04-09 ADAR1 Capital Management, LLC 10% owner Other disposition · Cash-Settled Total Return Swaps −500,000 124,333
2025-04-09 ADAR1 Capital Management, LLC 10% owner Other disposition · Cash Settled Total Return Swaps −74,333 50,000
2025-04-04 Seehra Jasbir CHIEF EXECUTIVE OFFICER Option exercise +49,367 $0.30 $15K 302,223
2025-04-04 Seehra Jasbir CHIEF EXECUTIVE OFFICER Option exercise · Employee Stock Option (right to buy) −49,367 252,444
2025-02-18 CHYUNG YUNG H. Chief Medical Officer Grant or award +44,000 44,000
2025-02-18 Regnante Keith CHIEF FINANCIAL OFFICER Grant or award +44,000 44,000
2025-02-18 Rovaldi Christopher Chief Operating Officer Grant or award +60,000 60,000
2024-11-08 CHYUNG YUNG H. Chief Medical Officer Grant or award · Employee Stock Option (right to buy) +110,000 110,000
2024-08-13 GORDON CARL L Director Sale −220,600 $44.01 $9.7M 899,212
2024-08-13 GORDON CARL L Director Sale −29,400 $44.01 $1.3M 119,522
2024-08-13 ORBIMED ADVISORS LLC Director Sale −220,600 $44.01 $9.7M 899,212
2024-08-13 ORBIMED ADVISORS LLC Director Sale −29,400 $44.01 $1.3M 119,522
2024-06-03 BIENAIME JEAN JACQUES Director Grant or award · Stock Option (right to buy) +17,600 17,600
2024-05-30 Seth Alpna Director Grant or award · Stock Option (right to buy) +10,000 10,000

Page 5 of 9 · 173 trades