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KROS Insider Trading

Insider Ownership Percentage: 20.60%
Insider Buying (Last 12 Months): $11,700.00
Insider Selling (Last 12 Months): $180,634,561.25

Keros Therapeutics Insider Trading History Chart

This chart shows the insider buying and selling history at Keros Therapeutics by year and by quarter.

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Keros Therapeutics Share Price & Price History

Current Price: $11.19
Price Change: +0.30 (1.20%)
As of 05/22/2026 04:00 PM ET

This chart shows the closing price history over time for KROS up to the past year.

Skip Chart and Table DataPrice Data in Insider Trading History Table
Days: 30 | 90 | 365

Keros Therapeutics Insider Trading History

Transaction DateInsider NameTitleBuy/SellNumber of SharesAverage Share PriceTotal TransactionShares Held After TransactionDetails
4/15/2026Jean Jacques BienaimeDirectorBuy1,000$11.70$11,700.008,450View SEC Filing Icon  
10/15/2025Adar1 Capital Management, LlcMajor ShareholderSell5,389,264$17.75$95,659,436.00View SEC Filing Icon  
10/15/2025Pontifax Management 4 G.P. (20Major ShareholderSell4,787,331$17.75$84,975,125.25View SEC Filing Icon  
4/9/2025Adar1 Capital Management, LlcMajor ShareholderBuy934,258$10.13$9,464,033.544,392,737View SEC Filing Icon  
8/13/2024Carl L. GordonDirectorSell250,000$44.01$11,002,500.00119,522View SEC Filing Icon  
6/8/2023Keith RegnanteCFOSell20,000$47.79$955,800.00View SEC Filing Icon  
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SEC Filings (Institutional Ownership Changes) for Keros Therapeutics (NASDAQ:KROS)

71.56% of Keros Therapeutics stock is owned by institutions. Institutional ownership can be a sign of analyst confidence in the fundamentals of the stock.

Institutional Buying and Selling by Quarter

This chart shows the instiutional buying and selling at KROS by year and by quarter.

Skip Institutional Buying and Selling Chart and Table DataRead Chart Data in Institutional Trading History Table

Keros Therapeutics Institutional Trading History

Reporting DateHedge FundShares HeldMarket Value% of PortfolioQuarterly Change in SharesOwnership in CompanyDetails
5/19/2026Bank of America Corp DE53,654$0.59M0.0%-46.4%0.271%Search for SEC Filing on Google Icon
5/19/2026RBF Capital LLC62,800$0.69M0.0%-23.2%0.317%Search for SEC Filing on Google Icon
5/18/2026ADAR1 Capital Management LLC97,318$1.07M0.1%+416.2%0.492%Search for SEC Filing on Google Icon
5/18/2026Empowered Funds LLC145,517$1.61M0.0%+142.2%0.735%Search for SEC Filing on Google Icon
5/16/2026Quantinno Capital Management LP23,759$0.26M0.0%+12.5%0.120%Search for SEC Filing on Google Icon
5/16/2026Lazard Asset Management LLC11,705$0.13M0.0%N/A0.059%Search for SEC Filing on Google Icon
5/16/2026Orbimed Advisors LLC759,155$8.38M0.2%-5.6%3.836%Search for SEC Filing on Google Icon
5/15/2026Rangeley Capital LLC54,400$0.60M0.5%-43.8%0.275%Search for SEC Filing on Google Icon
5/14/2026Renaissance Technologies LLC453,482$5.01M0.0%-23.4%2.291%Search for SEC Filing on Google Icon
5/14/2026Arrowstreet Capital Limited Partnership590,249$6.52M0.0%-55.8%2.983%Search for SEC Filing on Google Icon
5/14/2026Globeflex Capital L P37,873$0.42M0.1%N/A0.191%Search for SEC Filing on Google Icon
5/7/2026Dimensional Fund Advisors LP321,360$3.55M0.0%+453.9%1.624%Search for SEC Filing on Google Icon
5/4/2026Principal Financial Group Inc.59,594$0.66M0.0%N/A0.301%Search for SEC Filing on Google Icon
4/30/2026Hsbc Holdings PLC53,986$0.60M0.0%N/A0.273%Search for SEC Filing on Google Icon
4/27/2026Y Intercept Hong Kong Ltd164,483$1.82M0.0%+40.2%0.831%Search for SEC Filing on Google Icon
4/25/2026Strs Ohio50,600$0.56M0.0%+72.7%0.256%Search for SEC Filing on Google Icon
4/22/2026Sterling Capital Management LLC4,361$48K0.0%-37.9%0.022%Search for SEC Filing on Google Icon
4/16/2026SG Americas Securities LLC9,135$0.10M0.0%-90.7%0.046%Search for SEC Filing on Google Icon
3/3/2026Caitong International Asset Management Co. Ltd1,624$33K0.0%+254.6%0.005%Search for SEC Filing on Google Icon
2/19/2026Invesco Ltd.87,428$1.78M0.0%+16.6%0.287%Search for SEC Filing on Google Icon
2/18/2026Mackenzie Financial Corp51,385$1.04M0.0%-9.5%0.169%Search for SEC Filing on Google Icon
2/18/2026Empowered Funds LLC60,078$1.22M0.0%N/A0.197%Search for SEC Filing on Google Icon
2/18/2026XTX Topco Ltd10,424$0.21M0.0%N/A0.034%Search for SEC Filing on Google Icon
2/18/2026VARCOV Co.12,810$0.26M0.1%N/A0.042%Search for SEC Filing on Google Icon
2/18/2026Virtus Investment Advisers LLC12,367$0.25M0.1%+48.2%0.041%Search for SEC Filing on Google Icon
2/18/2026Tudor Investment Corp ET AL28,307$0.58M0.0%+45.0%0.093%Search for SEC Filing on Google Icon
2/18/2026Polymer Capital Management US LLC17,495$0.36M0.0%+56.9%0.057%Search for SEC Filing on Google Icon
2/18/2026Orbimed Advisors LLC804,212$16.37M0.3%-21.1%2.639%Search for SEC Filing on Google Icon
2/18/2026Oxford Asset Management LLP21,510$0.44M0.2%N/A0.071%Search for SEC Filing on Google Icon
2/18/2026Millennium Management LLC220,209$4.48M0.0%+312.8%0.723%Search for SEC Filing on Google Icon
2/18/2026Madison Avenue Partners LP823,707$16.77M0.7%-69.6%2.703%Search for SEC Filing on Google Icon
2/18/2026Man Group plc190,207$3.87M0.0%-1.4%0.624%Search for SEC Filing on Google Icon
2/18/2026Engineers Gate Manager LP62,369$1.27M0.0%+136.5%0.205%Search for SEC Filing on Google Icon
2/18/2026Caption Management LLC29,500$0.60M0.0%-18.2%0.097%Search for SEC Filing on Google Icon
2/18/2026Bridgeway Capital Management LLC60,078$1.22M0.0%N/A0.197%Search for SEC Filing on Google Icon
2/17/2026ADAR1 Capital Management LLC18,851$0.38M0.0%-99.7%0.062%Search for SEC Filing on Google Icon
2/17/2026PDT Partners LLC112,183$2.28M0.1%-66.3%0.368%Search for SEC Filing on Google Icon
2/17/2026AQR Capital Management LLC180,543$3.68M0.0%-11.7%0.593%Search for SEC Filing on Google Icon
2/17/2026Quantedge Capital Pte Ltd19,292$0.39M0.2%N/A0.063%Search for SEC Filing on Google Icon
2/17/2026Jump Financial LLC161,136$3.28M0.0%N/A0.529%Search for SEC Filing on Google Icon
2/17/2026Price T Rowe Associates Inc. MD29,699$0.61M0.0%-40.6%0.097%Search for SEC Filing on Google Icon
2/17/2026Weiss Asset Management LP254,063$5.17M0.1%N/A0.834%Search for SEC Filing on Google Icon
2/17/2026Public Employees Retirement System of Ohio50,324$1.03M0.0%+21.4%0.165%Search for SEC Filing on Google Icon
2/17/2026Russell Investments Group Ltd.80,774$1.65M0.0%-13.2%0.265%Search for SEC Filing on Google Icon
2/17/2026State of Wisconsin Investment Board19,835$0.40M0.0%-10.7%0.065%Search for SEC Filing on Google Icon
2/17/2026ExodusPoint Capital Management LP13,360$0.27M0.0%-41.8%0.044%Search for SEC Filing on Google Icon
2/17/2026RBF Capital LLC81,724$1.66M0.1%-45.5%0.268%Search for SEC Filing on Google Icon
2/16/2026Panagora Asset Management Inc.122,821$2.50M0.0%+303.2%0.403%Search for SEC Filing on Google Icon
2/16/2026Entropy Technologies LP17,891$0.36M0.0%N/A0.059%Search for SEC Filing on Google Icon
2/13/2026Jacobs Levy Equity Management Inc.768,425$15.65M0.1%+26.6%2.522%Search for SEC Filing on Google Icon
2/13/2026Rafferty Asset Management LLC30,280$0.62M0.0%-31.3%0.099%Search for SEC Filing on Google Icon
2/13/2026Charles Schwab Investment Management Inc.186,779$3.80M0.0%-36.0%0.613%Search for SEC Filing on Google Icon
2/13/2026Police & Firemen s Retirement System of New Jersey7,700$0.16M0.0%-18.7%0.025%Search for SEC Filing on Google Icon
2/13/2026State Street Corp1,075,993$21.91M0.0%-17.4%3.531%Search for SEC Filing on Google Icon
2/13/2026Wells Fargo & Company MN32,762$0.67M0.0%+26.5%0.108%Search for SEC Filing on Google Icon
2/12/2026HRT Financial LP260,891$5.31M0.0%+509.6%0.856%Search for SEC Filing on Google Icon
2/12/2026Brooklyn Investment Group23,750$0.49M0.0%+14.3%0.078%Search for SEC Filing on Google Icon
2/12/2026MetLife Investment Management LLC16,682$0.34M0.0%-15.5%0.055%Search for SEC Filing on Google Icon
2/12/2026Renaissance Technologies LLC591,686$12.05M0.0%+282.5%1.942%Search for SEC Filing on Google Icon
2/12/2026Dimensional Fund Advisors LP58,013$1.18M0.0%+61.3%0.190%Search for SEC Filing on Google Icon
2/12/2026Integrated Quantitative Investments LLC16,974$0.35M0.1%N/A0.056%Search for SEC Filing on Google Icon
2/12/2026Federated Hermes Inc.654,724$13.33M0.0%+27.3%2.149%Search for SEC Filing on Google Icon
2/12/2026Campbell & CO Investment Adviser LLC17,630$0.36M0.0%N/A0.058%Search for SEC Filing on Google Icon
2/12/2026Nuveen LLC63,097$1.29M0.0%-16.8%0.207%Search for SEC Filing on Google Icon
2/11/2026Empowered Funds LLC60,078$1.22M0.0%N/A0.197%Search for SEC Filing on Google Icon
2/11/2026Deutsche Bank AG195,281$3.98M0.0%+739.6%0.641%Search for SEC Filing on Google Icon
2/11/2026Fox Run Management L.L.C.25,680$0.52M0.1%N/A0.084%Search for SEC Filing on Google Icon
2/11/2026Franklin Resources Inc.27,582$0.56M0.0%-68.6%0.091%Search for SEC Filing on Google Icon
2/11/2026Los Angeles Capital Management LLC33,771$0.69M0.0%-8.7%0.111%Search for SEC Filing on Google Icon
2/11/2026WINTON GROUP Ltd21,590$0.44M0.0%N/A0.071%Search for SEC Filing on Google Icon
2/10/2026Goldman Sachs Group Inc.590,517$12.02M0.0%-55.4%1.938%Search for SEC Filing on Google Icon
2/10/2026Intech Investment Management LLC13,265$0.27M0.0%-20.4%0.044%Search for SEC Filing on Google Icon
2/9/2026Geode Capital Management LLC635,208$12.94M0.0%-24.1%2.085%Search for SEC Filing on Google Icon
2/6/2026Legato Capital Management LLC16,974$0.35M0.0%N/A0.056%Search for SEC Filing on Google Icon
2/6/2026LSV Asset Management23,100$0.47M0.0%N/A0.076%Search for SEC Filing on Google Icon
2/6/2026GSA Capital Partners LLP51,346$1.05M0.1%+102.9%0.169%Search for SEC Filing on Google Icon
2/5/2026Abacus Wealth Partners LLC14,109$0.29M0.0%N/A0.046%Search for SEC Filing on Google Icon
2/2/2026Hussman Strategic Advisors Inc.42,000$0.86M0.2%N/A0.138%Search for SEC Filing on Google Icon
2/2/2026Strs Ohio29,300$0.60M0.0%+3.9%0.096%Search for SEC Filing on Google Icon
1/29/2026China Universal Asset Management Co. Ltd.4,964$0.10M0.0%-30.3%0.016%Search for SEC Filing on Google Icon
1/27/2026Financial Management Professionals Inc.1,443$29K0.0%N/A0.005%Search for SEC Filing on Google Icon
1/26/2026CWM LLC3,832$78K0.0%-47.3%0.013%Search for SEC Filing on Google Icon
1/22/2026Massachusetts Financial Services Co. MA43,695$0.89M0.0%N/A0.143%Search for SEC Filing on Google Icon
1/9/2026SG Americas Securities LLC98,703$2.01M0.0%+1,420.6%0.324%Search for SEC Filing on Google Icon
1/1/2026JPMorgan Chase & Co.171,941$2.72M0.0%+260.8%0.564%Search for SEC Filing on Google Icon
1/1/2026Tudor Investment Corp ET AL19,525$0.31M0.0%N/A0.064%Search for SEC Filing on Google Icon
12/9/2025Tudor Investment Corp ET AL19,525$0.31M0.0%N/A0.064%Search for SEC Filing on Google Icon
11/17/2025Jacobs Levy Equity Management Inc.607,089$9.60M0.0%+15.8%1.992%Search for SEC Filing on Google Icon
11/17/2025Sherbrooke Park Advisers LLC11,136$0.18M0.1%N/A0.037%Search for SEC Filing on Google Icon
11/17/2025Polymer Capital Management US LLC11,148$0.18M0.0%-59.0%0.037%Search for SEC Filing on Google Icon
11/17/2025Qube Research & Technologies Ltd303,122$4.80M0.0%+683.7%0.995%Search for SEC Filing on Google Icon
11/17/2025Public Employees Retirement System of Ohio41,453$0.66M0.0%+58.8%0.136%Search for SEC Filing on Google Icon
11/17/2025Millennium Management LLC53,346$0.84M0.0%+289.2%0.175%Search for SEC Filing on Google Icon
11/17/2025MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd.18,141$0.29M0.0%N/A0.060%Search for SEC Filing on Google Icon
11/17/2025HighVista Strategies LLC83,050$1.31M0.3%+57.8%0.273%Search for SEC Filing on Google Icon
11/17/2025Brevan Howard Capital Management LP44,874$0.71M0.0%-36.0%0.147%Search for SEC Filing on Google Icon
11/17/2025Bank of America Corp DE226,127$3.58M0.0%-23.5%0.742%Search for SEC Filing on Google Icon
11/17/2025Algert Global LLC47,779$0.76M0.0%-14.0%0.157%Search for SEC Filing on Google Icon
11/17/2025Ameriprise Financial Inc.120,433$1.91M0.0%+22.1%0.395%Search for SEC Filing on Google Icon
11/14/2025Creative Planning26,573$0.42M0.0%+9.7%0.087%Search for SEC Filing on Google Icon
Data available starting January 2016

See Full Table
Keros Therapeutics logo
Keros Therapeutics, Inc., a clinical-stage biopharmaceutical company, develops and commercializes novel therapeutics for patients with disorders that are linked to dysfunctional signaling of the transforming growth factor-beta family of proteins in the United States. The company's lead 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, as well as in patients with myelofibrosis. It also develops KER-012, which is in Phase II clinical trial to treat pulmonary arterial hypertension and cardiovascular disorders; and KER-065 that is in Phase I clinical trial for the treatment of obesity and neuromuscular diseases. In addition, the company has collaboration and license agreement with Hansoh (Shanghai) Healthtech Co., Ltd. to develop, manufacture, and commercialize KER-050 and licensed products containing KER-050. Keros Therapeutics, Inc. was incorporated in 2015 and is headquartered in Lexington, Massachusetts.
Read More on Keros Therapeutics

Today's Range

Now: $11.19
Low: $11.07
High: $11.41

50 Day Range

MA: $11.37
Low: $9.91
High: $12.55

52 Week Range

Now: $11.19
Low: $9.79
High: $22.55

Volume

271,062 shs

Average Volume

358,912 shs

Market Capitalization

$221.45 million

P/E Ratio

N/A

Dividend Yield

N/A

Beta

0.95

Who are the company insiders with the largest holdings of Keros Therapeutics?

Keros Therapeutics' top insider shareholders include:
  1. Adar1 Capital Management, Llc (Major Shareholder)
  2. Carl L Gordon (Director)
  3. Jennifer Lachey (Insider)
  4. Jean Jacques Bienaime (Director)
  5. Claudia Ordonez (Insider)
  6. Christopher Rovaldi (COO)
  7. Julius Knowles (Director)
  8. Keith Regnante (CFO)
  9. Pontifax Management 4 GP (20 (Major Shareholder)
  10. Ran Nussbaum (Director)
Learn More about top insider investors at Keros Therapeutics.

Who are the major institutional investors of Keros Therapeutics?

Keros Therapeutics' top institutional shareholders include:
  1. Orbimed Advisors LLC — 3.84%
  2. Arrowstreet Capital Limited Partnership — 2.98%
  3. Renaissance Technologies LLC — 2.29%
  4. Dimensional Fund Advisors LP — 1.62%
  5. Y Intercept Hong Kong Ltd — 0.83%
  6. Empowered Funds LLC — 0.74%
Learn More about top institutional investors of Keros Therapeutics stock.

Which major investors are selling Keros Therapeutics stock?

Within the last quarter, KROS stock was sold by these institutional investors:
  1. Arrowstreet Capital Limited Partnership
  2. Renaissance Technologies LLC
  3. SG Americas Securities LLC
  4. Bank of America Corp DE
  5. Orbimed Advisors LLC
  6. Rangeley Capital LLC
  7. RBF Capital LLC
  8. Sterling Capital Management LLC
Within the last year, company insiders that have sold Keros Therapeutics company stock include:
  1. Adar1 Capital Management, Llc (Major Shareholder)
  2. Pontifax Management 4 GP (20 (Major Shareholder)
Learn More investors selling Keros Therapeutics stock.

Which major investors are buying Keros Therapeutics stock?

In the previous quarter, KROS stock was acquired by institutional investors including:
  1. Dimensional Fund Advisors LP
  2. Empowered Funds LLC
  3. ADAR1 Capital Management LLC
  4. Principal Financial Group Inc.
  5. Hsbc Holdings PLC
  6. Y Intercept Hong Kong Ltd
  7. Globeflex Capital L P
  8. Strs Ohio
During the previous year, these company insiders have bought Keros Therapeutics stock:
  1. Adar1 Capital Management, Llc (Major Shareholder)
  2. Jean Jacques Bienaime (Director)
Learn More investors buying Keros Therapeutics stock.

Keros Therapeutics Active Insiders

Keith Regnante
Keith Regnante
CFO
Julius Knowles
Julius Knowles
Director
Carl L Gordon
Carl L Gordon
Director
Jennifer Lachey
Jennifer Lachey (Age 53)
Insider