Form4insider filings, from the source

Insider · CIK 0001654634

Ignacio A Cortina

Files at: LNT, OSK. 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
Jul 10, 2026 AForm 4 →Jul 14, 10:35 am EDTALLIANT ENERGY CORPLNT638$76.40$48,75010,943—