InsiderTrades

Form 4 for LNT Alliant Energy

Accepted 2026-02-23 00:00:00 ET · period of report 2026-02-19 · accession 0001973120-26-000001 · SEC index · Original document

Summary rows

Aggregated the way they appear in lists: one row per insider, transaction code and security table.

X Filed Traded Ticker Insider Title Type Price Qty Owned ΔOwn Value
M 2026-02-23 2026-02-19 LNT Smyth Antonio P EVP A - Grant $0.00 +18.4K 28.1K +189% $0
2026-02-23 2026-02-19 LNT Smyth Antonio P EVP F - Tax $70.01 -6,226 21.9K -22% -$435.9K

Purchase Sale Sale after option exercise All abbreviations

Every reported transaction

#TableSecurityDateCodeA/DSharesPriceOwned afterOwnExercise / expiryUnderlyingFootnotes
1 Common Common Stock 2026-02-19 A A 13,114 $0.00 22,841 D — —
2 Common Common Stock 2026-02-19 F D 6,226 $70.01 21,855 D — —
3 Common Common Stock 2026-02-19 A A 5,240 $0.00 28,081 D — — (F1) Represents restricted stock units (RSUs) which are converted to common stock on a one-to-one basis when vested. The RSUs vest on December 31, 2028.