Form4insider filings, from the source

Insider · CIK 0001762507

Erik Ostrowski

Files at: AKBA, TECX. On EDGAR ↗

1M3M6M1Y2YAll datashares as filed — not split-adjusted
Open-market buys & salesbuys $0 · 0sales $62k · 1net −$62k
$10k$10k$100k$100k$1M$1MbuyssalesJun 28Jun 28Jun 28Jun 29Jun 29Jun 29Jun 30

Reported trades — common stock

TradeReported (ET)CompanySharesAvg priceTotalOwned afterΔ stakeFlags
Jun 29, 2026 SForm 4 →Jul 1, 4:34 pm EDTAkebia Therapeutics, Inc.AKBA56,019$1.11$62,181616,616−8.33%10b5-1
Jan 2, 2019 AForm 4 →Jan 4, 4:28 pm ESTAVROBIO, Inc.AVRO2,300——2,300— plan?

Reported trades — derivatives (options, RSUs, warrants)

TradeReported (ET)CompanySharesAvg priceTotalOwned afterΔ stakeFlags
Jan 2, 2019 AForm 4 →Jan 4, 4:28 pm ESTAVROBIO, Inc.AVRO186,000——186,000—