Form4insider filings, from the source

Company · CIK 0001664710 · SIC 2834 — Pharmaceutical Preparations · Nasdaq

Keros Therapeutics, Inc. · KROS

Insider activity reported against this company. All insider holders · On EDGAR ↗

1M3M6M1Y2YAll datashares as filed — not split-adjusted
Open-market buys & salesbuys $21k · 2sales $101k · 4net −$80k
$10k$10k$100k$100k$1M$1MbuyssalesJun 28Jul 13Jul 28Aug 13Aug 28Sep 13Sep 28

Reported at this company — common stock

TradeReported (ET)InsiderSharesAvg priceTotalOwned afterΔ stakeFlags
Aug 18, 2026 SForm 4 →Aug 20, 4:10 pm EDTAnnita TaniniCorp. Controller & VP, Finance1,224$10.29$12,59545,144−2.64%
Aug 18, 2026 SForm 4 →Aug 20, 4:10 pm EDTLorena Raquel LernerChief Scientific Officer3,568$10.29$36,71527,559−11.5%
Aug 18, 2026 SForm 4 →Aug 20, 4:10 pm EDTEsther ChoChief Legal Officer4,485$10.29$46,15135,770−11.1%
Aug 18, 2026 SForm 4 →Aug 20, 4:10 pm EDTCharles W. NewtonDirector551$10.30$5,67512,114−4.35%10b5-1
Aug 17, 2026 PForm 4 →Aug 19, 4:10 pm EDTJean Jacques BienaimeDirector1,000$10.27$10,27019,592+5.38%10b5-1
Jul 15, 2026 PForm 4 →Jul 17, 4:10 pm EDTJean Jacques BienaimeDirector1,000$10.61$10,61018,592+5.68%10b5-1
Jul 1, 2026 AForm 4 →Jul 6, 4:31 pm EDTAnne PrenerDirector13,786——13,786—

Reported at this company — derivatives (options, RSUs, warrants)

TradeReported (ET)InsiderSharesAvg priceTotalOwned afterΔ stakeFlags
Jul 1, 2026 AForm 4 →Jul 6, 4:31 pm EDTAnne PrenerDirector14,870——14,870—