Keros Therapeutics, Inc. KROS
We take great care to ensure that the data presented and summarized in this overview for Keros Therapeutics, Inc. is accurate and up-to-date, based on a comprehensive analysis of 13F filing forms for institutional ownership and form 4 filings for insider transactions. Please note that this data may differ from other sources and should not be relied upon as the sole basis for investment decisions.
Top Institutions Holding KROS
View all-
Adar1 Capital Management, LLC Austin, TX5.39MShares$93 Million8.01% of portfolio
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Vanguard Group Inc Valley Forge, PA2.72MShares$46.9 Million0.0% of portfolio
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Madison Avenue Partners, LP New York, NY2.71MShares$46.7 Million3.92% of portfolio
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Black Rock Inc. New York, NY2.51MShares$43.4 Million0.0% of portfolio
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Western Standard LLC Los Angeles, CA2.19MShares$37.8 Million10.27% of portfolio
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Tang Capital Management LLC San Diego, CA1.42MShares$24.5 Million1.02% of portfolio
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D. E. Shaw & Co., Inc. New York, NY1.33MShares$23 Million0.01% of portfolio
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Goldman Sachs Group Inc New York, NY1.33MShares$22.9 Million0.0% of portfolio
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State Street Corp Boston, MA1.3MShares$22.5 Million0.0% of portfolio
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Nantahala Capital Management, LLC New Canaan, CT1.23MShares$21.3 Million0.79% of portfolio
Latest Institutional Activity in KROS
Top Purchases
Top Sells
About KROS
Keros Therapeutics, Inc., a clinical-stage biopharmaceutical company, focuses on the discovery, development, and commercialization of novel treatments for patients suffering from hematological and musculoskeletal disorders with high unmet medical need. The company's lead protein therapeutic product candidate is KER-050, which is being developed for the treatment of low blood cell counts, or cytopenias, including anemia and thrombocytopenia in patients with myelodysplastic syndromes, and in patients with myelofibrosis. It is also developing small molecule product candidate KER-047 that is being developed for the treatment of anemia, and is currently in Phase 1 clinical trial; and KER-012, which is in Phase 1 clinical trial to treat disorders associated with bone loss, such as osteoporosis and osteogenesis imperfecta, and for the treatment of pulmonary arterial hypertension. The company was incorporated in 2015 and is headquartered in Lexington, Massachusetts.
Insider Transactions at KROS
Insider Transaction List
View all| Date | Insider | Transaction | Ownership Type | Shares Traded | Value / Price |
|---|---|---|---|---|---|
|
Oct 15
2025
|
Pontifax Management 4 G.P. (2015) Ltd. > 10% Shareholder |
SELL
Open market or private sale
|
Indirect |
4,787,331
-100.0%
|
$81,384,627
$17.75 P/Share
|
|
Oct 15
2025
|
Adar1 Capital Management, LLC > 10% Shareholder |
SELL
Open market or private sale
|
Indirect |
5,389,264
-100.0%
|
$91,617,488
$17.75 P/Share
|
|
Sep 03
2025
|
Jasbir Seehra CHIEF EXECUTIVE OFFICER |
BUY
Grant, award, or other acquisition
|
Direct |
90,500
+18.73%
|
-
|
|
Jun 20
2025
|
Adar1 Capital Management, LLC > 10% Shareholder |
SELL
Exercise of in-the-money or at-the-money derivatives securities
|
Indirect |
1,700
-0.02%
|
$112,200
$66.67 P/Share
|
|
Jun 04
2025
|
Jean Jacques Bienaime |
BUY
Grant, award, or other acquisition
|
Direct |
5,250
+49.07%
|
-
|
|
Jun 04
2025
|
Mary Ann Gray |
BUY
Grant, award, or other acquisition
|
Direct |
5,250
+50.0%
|
-
|
|
Jun 04
2025
|
Alpna Seth |
BUY
Grant, award, or other acquisition
|
Direct |
5,250
+50.0%
|
-
|
|
Jun 04
2025
|
Ran Nussbaum |
BUY
Grant, award, or other acquisition
|
Direct |
5,250
+50.0%
|
-
|
|
Jun 04
2025
|
Tomer Kariv |
BUY
Grant, award, or other acquisition
|
Direct |
5,250
+50.0%
|
-
|
|
Jun 04
2025
|
Nima Farzan |
BUY
Grant, award, or other acquisition
|
Direct |
5,250
+50.0%
|
-
|
|
Jun 04
2025
|
Carl L Gordon |
BUY
Grant, award, or other acquisition
|
Direct |
5,250
+50.0%
|
-
|
|
Jun 04
2025
|
Julius Knowles |
BUY
Grant, award, or other acquisition
|
Direct |
5,250
+44.91%
|
-
|
|
Apr 09
2025
|
Adar1 Capital Management, LLC > 10% Shareholder |
BUY
Open market or private purchase
|
Indirect |
934,258
+4.51%
|
$8,408,322
$9.86 P/Share
|
|
Apr 04
2025
|
Jasbir Seehra CHIEF EXECUTIVE OFFICER |
BUY
Exercise of conversion of derivative security
|
Direct |
49,367
+14.04%
|
$0
$0.3 P/Share
|
|
Feb 18
2025
|
Christopher Rovaldi Chief Operating Officer |
BUY
Grant, award, or other acquisition
|
Direct |
60,000
+50.0%
|
-
|
|
Feb 18
2025
|
Keith Regnante CHIEF FINANCIAL OFFICER |
BUY
Grant, award, or other acquisition
|
Direct |
44,000
+50.0%
|
-
|
|
Feb 18
2025
|
Yung H. Chyung Chief Medical Officer |
BUY
Grant, award, or other acquisition
|
Direct |
44,000
+50.0%
|
-
|
|
Aug 13
2024
|
Carl L Gordon |
SELL
Open market or private sale
|
Indirect |
250,000
-19.72%
|
$11,000,000
$44.01 P/Share
|
|
Aug 13
2024
|
Orbimed Advisors LLC Director |
SELL
Open market or private sale
|
Indirect |
250,000
-19.72%
|
$11,000,000
$44.01 P/Share
|
|
Nov 04
2023
|
Keith Regnante CHIEF FINANCIAL OFFICER |
SELL
Open market or private sale
|
Direct |
40,000
-100.0%
|
$1,800,000
$45.29 P/Share
|
Last 12 Months Summary
| Grant, award, or other acquisition | 281K shares |
|---|---|
| Exercise of conversion of derivative security | 49.4K shares |
| Open market or private purchase | 934K shares |
| Open market or private sale | 10.2M shares |
|---|---|
| Exercise of in-the-money or at-the-money derivatives securities | 1.7K shares |