NASDAQ: KROS
Keros Therapeutics Inc Stock Ownership - Who owns Keros Therapeutics?

Insider buying vs selling

Have Keros Therapeutics Inc insiders been buying or selling?

Buy
Sell
NameRoleDateSharesPriceValue
Lorena Raquel LernerCSci2026-08-183,568$10.29
$36.71kSell
Annita TaniniCtrl;VP2026-08-181,224$10.29
$12.59kSell
Charles W. NewtonDirector2026-08-18551$10.30
$5.68kSell
Esther ChoCLO2026-08-184,485$10.29
$46.15kSell
Jean Jacques BienaimeDirector2026-08-171,000$10.27
$10.27kBuy
Jean Jacques BienaimeDirector2026-07-151,000$10.61
$10.61kBuy
Jean Jacques BienaimeDirector2026-06-151,000$10.19
$10.19kBuy
Charles W. NewtonDirector2026-06-11550$10.04
$5.52kSell
Julius KnowlesDirector2026-06-042,625$10.73
$28.17kSell
Nima FarzanDirector2026-06-042,625$10.73
$28.17kSell

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Net Insider Buy/Sell (L12M) Ownership

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KROS Shareholders

What type of owners hold Keros Therapeutics Inc stock?

Institutional
Insider
Retail
NameHoldSharesValueType
Alon Lazarus10.27%2,036,140$22.46MInsider
Arkin Bio Ventures Limited Partnership10.15%2,013,102$22.20MInsider
Pontifax Management 4 GP 2015 Ltd6.24%1,236,912$13.64MInsider
Carl L. Gordon5.90%1,170,119$12.91MInsider
Orbimed Advisors LLC5.88%1,164,869$12.85MInsider
Jasbir Seehra2.22%440,708$4.86MInsider
Adar1 Capital Management LLC1.28%254,669$2.81MInsider
Ran Nussbaum0.81%160,512$1.77MInsider
Tomer Kariv0.81%160,512$1.77MInsider
Julius Knowles0.57%113,191$1.25MInsider

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KROS vs Biotech Stocks

TickerInst. %Insider %Net Insider (L12M)Net Insider (L3M)
KROS0.09%46.27%Net SellingNet Selling
TNXP0.05%89.74%Net BuyingNet Buying
NGEN0.01%0.00%
ANTX0.07%60.76%Net SellingNet Selling
ACOG0.05%33.64%Net BuyingNet Buying

Keros Therapeutics Stock Ownership FAQ

Who owns Keros Therapeutics?

Keros Therapeutics (NASDAQ: KROS) is owned by 0.09% institutional shareholders, 46.27% Keros Therapeutics insiders, and 53.63% retail investors. Alon Lazarus is the largest individual Keros Therapeutics shareholder, owning 2.04M shares representing 10.27% of the company. Alon Lazarus's Keros Therapeutics shares are currently valued at $21.95M.

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