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
Jean Jacques BienaimeDirector2026-03-092,000$11.21
$22.42kBuy
Jasbir SeehraCHIEF EXECUTIVE OFFICER2026-02-197,015$16.17
$113.43kSell
Keith RegnanteCHIEF FINANCIAL OFFICER2026-02-184,739$16.35
$77.48kSell
Lorena Raquel LernerChief Science Officer2026-02-183,873$16.35
$63.32kSell
Esther ChoSVP General Counsel2026-02-184,745$16.35
$77.58kSell
Carl L. GordonDirector2025-11-21140,057$17.75
$2.49MSell
Carl L. GordonDirector2025-11-2174,465$17.75
$1.32MSell
Julius KnowlesDirector2025-11-21191,527$17.75
$3.40MSell
Julius KnowlesDirector2025-11-21130,494$17.75
$2.32MSell
Orbimed Advisors LLCDirector2025-11-21140,057$17.75
$2.49MSell

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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
Blackrock Inc11.62%2,290,532$25.17MInstitution
Alon Lazarus10.33%2,036,140$22.38MInsider
Arkin Bio Ventures Limited Partnership10.21%2,013,102$22.12MInsider
Vanguard Group Inc7.74%1,525,355$16.76MInstitution
Arrowstreet Capital Limited Partnership6.77%1,334,516$14.67MInstitution
Pontifax Management 4 GP 2015 Ltd6.27%1,236,912$13.59MInsider
Carl L. Gordon5.93%1,170,119$12.86MInsider
Orbimed Advisors LLC5.91%1,164,869$12.80MInsider
State Street Corp5.46%1,075,993$11.83MInstitution
Madison Avenue Partners LP4.18%823,707$9.05MInstitution

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KROS vs Biotech Stocks

TickerInst. %Insider %Net Insider (L12M)Net Insider (L3M)
KROS68.96%31.04%Net SellingNet Selling
HUMA29.53%16.42%Net Selling
SRZN30.48%69.52%Net BuyingNet Buying
MDWD48.43%0.00%
ACHV43.66%19.56%Net Selling

Keros Therapeutics Stock Ownership FAQ

Who owns Keros Therapeutics?

Keros Therapeutics (NASDAQ: KROS) is owned by 101.81% institutional shareholders, 45.83% Keros Therapeutics insiders, and 0.00% retail investors. Alon Lazarus is the largest individual Keros Therapeutics shareholder, owning 2.04M shares representing 10.33% of the company. Alon Lazarus's Keros Therapeutics shares are currently valued at $22.44M.

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