Form4insider filings, from the source

Insider · CIK 0001857250

Harold Edward Fleming

Files at: SION, UPB, CRSP. On EDGAR ↗

1M3M6M1Y2YAll datashares as filed — not split-adjusted

Reported trades — common stock

No reported common-stock activity in this period.

Reported trades — derivatives (options, RSUs, warrants)

TradeReported (ET)CompanySharesAvg priceTotalOwned afterΔ stakeFlags
Jun 17, 2026 AForm 4 →Jun 18, 5:35 pm EDTSionna Therapeutics, Inc.SION17,340——17,340—
Jun 9, 2026 AForm 4 →Jun 11, 8:00 pm EDTUpstream Bio, Inc.UPB17,096——17,096—
Jun 5, 2026 AForm 4 →Jun 9, 5:43 pm EDTCRISPR Therapeutics AGCRSP13,000——13,000—