Form4insider filings, from the source

Insider · CIK 0001830764

Kathleen Tregoning

Files at: KLRA, SPRO. On EDGAR ↗

1M3M6M1Y2YAll datashares as filed — not split-adjusted

Reported trades — common stock

TradeReported (ET)CompanySharesAvg priceTotalOwned afterΔ stakeFlags
Jun 23, 2026 AForm 4 →Jun 25, 7:17 pm EDTSpero Therapeutics, Inc.SPRO10,000——85,000—

Reported trades — derivatives (options, RSUs, warrants)

TradeReported (ET)CompanySharesAvg priceTotalOwned afterΔ stakeFlags
Jul 6, 2026 AForm 4 →Jul 8, 4:20 pm EDTKailera Therapeutics, Inc.KLRA175,000——175,000—
Jun 23, 2026 AForm 4 →Jun 25, 7:17 pm EDTSpero Therapeutics, Inc.SPRO20,000——20,000—